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  • Effect of CeO2 on high-temperature wear resistance of WC/Fe-based coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-23
    Bin Han; Jiayi Lin; Xiaoran Han; Hui Wang; Weihua Cui

    ABSTRACT In this study, the WC reinforced Fe-based composite coatings with various CeO2 contents were fabricated on the H13 hot-working die steel by laser cladding. The high-temperature wear resistance of composite coatings was analysed by friction-abrasion testing machine, white light interferometer, and scanning electron microscope (SEM). The microstructure and microhardness were investigated by

    更新日期:2020-11-25
  • Cavitation erosion resistance of high-entropy FeCoCrNiMoXB0.2 coatings cladded by laser
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-23
    Bing-qi Xie; Ye-feng Bao; Chong-hui Zhong; Qi-ning Song; Ke Yang; Yong-feng Jiang

    ABSTRACT The cavitation erosion resistance of high-entropy FeCoCrNiMoXB0.2(X = 0, 0.5, 1), coatings cladded by laser was studied. The test was processed by a magnetostrictive cavitation method in both distilled water and 3.5 wt-% NaCl solution. It was observed that the mass-loss rate of the coatings rarely increased or even decreased in the first few hours. This study verified that the formation of

    更新日期:2020-11-25
  • Synthesis and degradation behaviour of Zn-modified coating on Mg alloy
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-16
    Jun Wang; Chaoyang Jin; Di Mei; Yan Ding; Lei Chang; Shijie Zhu; Liguo Wang; Yashan Feng; Shaokang Guan

    ABSTRACT This study aimed to control the degradation of Mg–Zn–Ca alloy and improve its biocompatibility using a biodegradable Zn-modified calcium phosphate coating via dual-pulse electrodeposition. The formation mode and process of the coating were studied herein. Scanning electron microscopy revealed that the coating particles were compactly and neatly packed, and X-ray diffraction analysis, transmission

    更新日期:2020-11-16
  • Preparing superhydrophobic nanocomposite coating with SiO2 nanoparticles on magnesium alloy
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-16
    Yufang Luo; Wenhui Yao; Wensheng Fu; Liang Wu; Dingfei Zhang; Fusheng Pan

    ABSTRACT Magnesium (Mg) alloys attract a lot of attention owing to their superior properties, while the poor corrosion resistance significantly restricts their extensive applications in practice. The development of a superhydrophobic coating can effectively decrease the contact area between corrosive solutions and the Mg substrate, consequently providing corrosion protection. Herein, a facile approach

    更新日期:2020-11-16
  • A review on coronavirus survivability on material’s surfaces: present research scenarios, technologies and future directions
    Surf. Eng. (IF 2.433) Pub Date : 2020-10-19
    Mohammed Adnan Hasan; A. Carmel Mary Esther; Arjun Dey; Anoop Kumar Mukhopadhyay

    ABSTRACT The present pandemic coronavirus disease 2019 (COVID-19) becomes a serious concern of global health threat which is elicited by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). This paper focuses on a hitherto untouched material’s engineering issue in human scientific fight against the well-known COVID-19. We show here the challenges and possibilities in engineering the surface

    更新日期:2020-11-12
  • Study on distribution uniformity of hard phases in composite coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-10
    K. Cao; M. Yu; C. M. Liang; H. Chen

    ABSTRACT Five hard-phase aluminium-based composite coating types with volume fractions of 12.5%, 25%, 37.5%, and 50%, respectively, were used. The addition of a large hard phase enhanced the coating densification. An increase in hard-phase content in the coating distributes more uniformly, but when the hard-phase content is too high, the hard phase is more likely to agglomerate, which decreases the

    更新日期:2020-11-12
  • Drag reduction with different liquids on slippery liquid-infused porous surface
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-10
    Yanjing Tuo; Haifeng Zhang; Xiaowei Liu; Keguan Song

    ABSTRACT Solid/liquid interface drag reduction is a hot topic and it is of great significance to reduce energy consumption in industrial field. Herein, we prepare a slippery liquid-infused porous surface (SLIPS) with excellent self-healing and super-slippery properties. Through adjusting the density of Zn-Al LDH films on aluminium foil, the ability of rough surface to capture lubricant oil is studied

    更新日期:2020-11-12
  • Nitriding behaviour of Mg-Li alloy with surface mechanical nano-alloying pretreatment
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-10
    Y. Li; X. C. Zhu; J. Sun; Q. T. Yao; X. D. Du; Y. C Wu

    ABSTRACT The thick titanium nitrides coating was fabricated on LZ91 alloy by surface mechanical nano-alloying (SMNAT) combined with gas nitriding. Experimental results showed that a nanostructured titanium coating with thickness of 50–80 μm was formed on surface of LZ91 alloy by SMNAT with pure titanium powders for 30 min. By adding of the aluminium powders into titanium powders during the SMNAT, a

    更新日期:2020-11-12
  • Effect of aging on microstructure and wear resistance of Ti-55511/BN composite coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-05
    Rui Chen; Huaming Wang; Bei He; Xu Cheng; Dong Liu

    ABSTRACT In situ synthesized TiN and TiB reinforced metal matrix composite coating was fabricated on Ti-55511 by laser cladding with Ti-55511/BN powder mixture (2 wt-% BN). Results indicated that coating was mainly composed of TiB, dendrite TiN and α phase. The diameter of small-sized hollow tubular TiB was less than 400 nm, and the width of the other rod-shaped TiB was less than 1 μm. The flower-like

    更新日期:2020-11-06
  • The microstructure and optical properties of novel Al2O3–Ag composite coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-05
    S. Kamali; F. Dehghan; H. S. Mardanpour; S. Alirezaei

    ABSTRACT In this research, the microstructure and optical behaviour of a novel Al2O3–Ag composite coating have been investigated. The composite films were synthesised by the addition of silver nanoparticles into the anodizing electrolyte solution with the concentration of 100–1500 mg per 600 mL. SEM, EDS, XRD and Raman tests were employed to study the microstructure of the coatings. The optical properties

    更新日期:2020-11-06
  • Oxidation control in arc-sprayed SS420 coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-05
    Satish Tailor; Nitesh Vashishtha; Ankur Modi; S. C. Modi

    ABSTRACT In coating, especially in the arc spraying process, oxidation leads to the deterioration of wear and corrosion-resistant properties. In the present work, an effective shrouding arrangement is designed and introduced to arc spray gun to reduce oxidation content in the coating. The effect of shrouding on microstructural and coating properties is analysed by the characterization techniques, such

    更新日期:2020-11-06
  • Laser surface alloying with carbon on 15-5PH steel for improved wear resistance
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-04
    Bo Zhang; Huaming Wang; Rui Chen; Bei He; Yinggang Cao; Dong Liu

    ABSTRACT Supersaturated carbon alloying layer was prepared on the surface of 15-5PH stainless steel using laser surface alloying technology with carbon powders as alloying materials. XRD, optical microscope, scanning electron microscope, microhardness test and wear test were performed to characterize the microstructure and wear resistance of substrate and alloying layer. Results showed that the alloying

    更新日期:2020-11-06
  • Corrosion behaviours of arc-sprayed AlSi-based amorphous/nanocrystalline coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-04
    Qi Liu; Jiangbo Cheng; Lianhua Zhang; Xiubing Liang

    ABSTRACT The aim of this article is to investigate the corrosion behaviours of arc-sprayed AlSiFeNiRE amorphous/nanocrystalline coating under different solution temperatures and different solution flow velocities. All tests were measured by CHI660E electrochemical workstation. The microstructure of the coating was characterized by scanning electron microscope (SEM) and the phase structure of the coating

    更新日期:2020-11-06
  • Deposition characteristics, microstructure and wear behaviour of Co–WC composite coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-11-04
    Ya-gang Zhang; Wan-chang Sun; Min Ma; Sha-sha Tian; Yu-wan Liu; Yan Xiao

    ABSTRACT The purpose of this work is to investigate the microstructure and mechanical properties of a novel WC-reinforced Co matrix composite coating synthesized by pulse electrodeposition technique with various duty cycles. The growth and wear mechanisms for Co–WC composite coating were explored. The microstructure, morphologies and composition of the composite coating were characterized by X-ray

    更新日期:2020-11-06
  • Effect of electromagnetic voltage on wear resistance of CrAlN coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-10-30
    Ling-Yun Liu; Song-Sheng Lin; Wei Wang; Di Wang; Feng Li; Ming-Jiang Dai; Chao-Qian Guo

    ABSTRACT In arc-ion plating, the droplets ejected from the cathodic target inevitably contaminate the coating with macro-particles (MPs), causing defects that usually reduce the mechanical properties of the coating. Normally, MP formation is suppressed by electromagnetic filtration technology. To investigate the influence of the electromagnetic field on the structure and mechanical properties of coatings

    更新日期:2020-10-30
  • Editorial
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-09
    Núria Cinca i Luis

    (2020). Editorial. Surface Engineering: Vol. 36, Special Issue: Coating production and surface engineering of carbide-based composites, Edited by Nuria Cinca, pp. 1129-1131.

    更新日期:2020-10-17
  • Improving thermal conductivity of radiators using a graphene-doped coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-10-07
    Zhongdong Yin; Haoyang Yin; Bangbing Shi; Shiwei Feng; Kun Bai; Xiang Zheng

    ABSTRACT The heat dissipation efficiency of the radiator is of great significance to the reliability of the power transformer system. However, traditional coatings on the radiator are designed to improve the corrosion resistance of radiators, which usually have a lower thermal conductivity. In this work, the thermal properties of graphene-doped coating have been studied using a combination of electrical

    更新日期:2020-10-08
  • Investigation of physical and electrical properties of TiN-coated SS316L as bipolar plate of proton exchange membrane fuel cells
    Surf. Eng. (IF 2.433) Pub Date : 2020-10-07
    Mohammad Matboo Ghorbani; Reza Taherian; Majid Mohammadi; Mansoor Bozorg

    ABSTRACT In this research, TiN films were deposited on the SS316L substrate by cathodic arc evaporation technique, to use as bipolar plates in proton exchange membrane fuel cells. The effect of substrate surface roughness and film thickness on the interfacial contact resistance and corrosion properties of the TiN films was investigated. Characterization of deposited films was performed by XRD, XRF

    更新日期:2020-10-07
  • W-Ti-N thin film tribological behaviour for piston skirt properties improvement
    Surf. Eng. (IF 2.433) Pub Date : 2020-10-04
    Khaled Chemaa; Salim Hassani; Mohammed Gaceb; Noureddine Madaoui; Abdelhamide Guebli

    ABSTRACT Tungsten-Titanium-Nitrogen (W-Ti-N) thin film, 1.1 μm in thickness, was deposited on Aluminium-Silicon (Al–Si) and stainless steel substrates using the Physical Vapour Deposition (PVD) sputtering system in order to study a new way to improve the tribological properties on engines piston skirts. Tribological test results showed very interesting friction coefficient and wear rates compared to

    更新日期:2020-10-05
  • Friction and wear characteristics modification via laser surface textured grooves
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-17
    Kenneth Adeyemi; Bingtao Sun; Wei Xue; Wenwen Liu; Yu Cao

    The commensurate contact condition plays a key role in the directional friction properties and wear performance when two surfaces slide against each other. An experimental study on bidirectional friction and wear control by nanosecond pulsed laser selective texturing of grooves on AISI 304 stainless steel (SS) and TA2 titanium (Ti) surfaces of the sliding components was proposed. The influence of the

    更新日期:2020-09-18
  • Laser-assisted wire cladding using a retrofitted laser welding system
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-17
    M. Shehryar Khan; P. Enrique; G. Song; M. I. S. T. Faria; Y. Zhou

    Laser-assisted wire cladding has emerged as a popular method for the surface modification and repair of components as it provides cleaner processing environments, reduced costs with higher material deposition rates, and better surface finish. However, the high capital cost of laser cladding systems can be detrimental to their adoption in industry. This work presents a favourable option for industry

    更新日期:2020-09-18
  • Study on thermal conductivity of cold sprayed Cu coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-14
    K. Cao; M. Yu; C. M. Liang; H. Chen

    In order to explore the main factors influencing the thermal conductivity of the cold sprayed Cu coating, four sets of Cu coatings with different deformation and annealing conditions were prepared by high/middle pressure cold spray systems followed by the annealing procedure. Microstructure and recrystallization analysis of the coatings were characterized by SEM and EBSD. Relationship of the thermal

    更新日期:2020-09-12
  • Growth stress and interdiffusion analysis of NiCoCrAlYTa coating during oxidation
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-11
    Hongzhi Yang; Jianpeng Zou; Qian Shi; Zhongzhan Xu; Mingjiang Dai; Songsheng Lin; Wei Wang; Di Wang

    The NiCoCrAlYTa coating deposited on Ni-based superalloy using arc ion plating (AIP) technology was subjected to isothermal oxidation in air at 1050°C for up to 200 h. The microstructure, oxides scale thickness, growth stress and interface diffusion behaviour were characterized by using scanning electron microscopy, X-ray diffraction, electron probe micro-analyser and photo-stimulated luminescence

    更新日期:2020-09-12
  • Physical and photocatalytic properties of Nd codoped (Ag, Cu)TiO2 thin films
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-09
    A. Mustafa; M. Bououdina; B. Al-Najar; T. Souier; F. Bensouici; B. Belache

    Transparent co-doped TiO2 thin films have been fabricated by sol-gel dip-coating. The doping is achieved using low concentrations of neodymium (Nd), silver (Ag), and copper (Cu). A significant effect of doping is noticed on the morphology and optical properties of thin films. XRD analysis confirms the formation of a pure anatase phase with a deterioration of the crystallinity upon doping. The co-doped

    更新日期:2020-09-10
  • Synergistic reinforcement of Cu–Ni–Al films with dual nanostructure
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-08
    Z. M. Li; X. N. Li; X. T. Cheng; Y. L. Hu; Y. H. Zheng; M. Yang; C. Dong

    Nanocrystalline-strengthened surface layer significantly improves the surface hardness and wear resistance of Cu or Cu alloys and avoids the reduction of conductivity. However, the poor thermal stability limits its industrial application. Herein, a series of Cu-Ni-Al films were prepared by radio frequency magnetron sputtering, which shows γ (∼20 nm) + γ′΄ phase (∼10 nm) dual nanostructure. Compared

    更新日期:2020-09-08
  • Electrodeposition of micro-nano hierarchically structured fluoridated hydroxyapatite coating on AZ31B alloy
    Surf. Eng. (IF 2.433) Pub Date : 2020-09-04
    Wentao Yu; Huachun Wang; Ruixue Sun; Kezheng Chen

    In this study, a novel micro-nano hierarchically structured fluoridated hydroxyapatite (FHAp) coating on AZ31B substrate was successfully synthesized via a simple one-step electrochemical deposition method. And the formulation of the electrodeposition solution is simple and environment-friendly without any harmful additives. The FHAp coating consists of a large amount of nanorods and some micro-structured

    更新日期:2020-09-05
  • Zn–Ni compositionally modulated multilayered alloy coatings for improved corrosion resistance
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-31
    Ramesh S. Bhat; P. Nagaraj; Sharada Priyadarshini

    Zinc–Nickel monolayer (single layer) and compositionally modulated multilayer alloy coatings were developed on to mild steel from acidic sulphate bath; and their corrosion performance were studied using potentiodynamic polarization and electrochemical impedance spectroscopy methods. The coating layers were formed galvanostatically by single bath technique, using square current pulses and triangular

    更新日期:2020-08-31
  • Effect of carbon nanotubes content on microstructure and properties of WC/Ni laser cladding coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-31
    Jinduo Liu; Wenlei Sun; Yong Huang

    To enhance the mechanical properties of Ni–WC coatings, the carbon nanotubes were used as reinforced materials by laser cladding. Optical microscopy (OM), scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD) were used to investigate the effect of CNTs content on the phase composition and microstructure. The microhardness and wear resistance were measured

    更新日期:2020-08-31
  • Influence of mechanical properties on thermal shock resistance of TBCs
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-31
    Minghao Gao; Na Xu; Jia Zhang; Shengjia Luan; Hui Chang; Wanliang Hou; Xinchun Chang

    In this study, thermal barrier coatings with different porosities were prepared using 8 wt-% yttria-stabilized zirconia by atmospheric plasma spray on a superalloy substrate. The porosity of the ceramic coating was increased by modulating the primary gas flow rate and the secondary gas flow rate. The elastic modulus and fracture toughness of the coatings were measured by the indentation method, and

    更新日期:2020-08-31
  • Influence of Mo content on properties of Ti–Al–Mo–N films
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-31
    Ting Gao; Lihua Yu; Guiyun Lu; Hongbo Ju; Junhua Xu

    Ti–Al–Mo–N composite films with different molybdenum content were deposited by reactive magnetron sputtering. The results showed that the films consisted of fcc-(Ti, Al, Mo) N substitutional solid solution within 8.2 at.-% Mo. The films consisted of two phases which were fcc-(Ti, Al, Mo) N substitutional solid solution and fcc-Mo2N at 27.7–49.4 at.-% Mo. The hardness increased slowly at 0–27.7 at.-%

    更新日期:2020-08-31
  • Microstructures and wear-resistance of WC-reinforced high entropy alloy composite coatings by plasma cladding: effect of WC morphology
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-29
    Yingbo Peng; Wei Zhang; Tianchen Li; Mingyang Zhang; Li Wang; Songhao Hu

    WC-reinforced FeCoCrNi high entropy alloy (HEA) composite coatings with different WC morphology of spherical and irregular shape, were prepared by plasma cladding. The effects of WC morphology on carbide evolution, WC dissolution, and the wear resistance of the coatings were investigated. The results indicated that the evolution of the massive and fish-bone M6C carbides were significantly influenced

    更新日期:2020-08-29
  • Influence of parameters on the cold spraying FeCoCrMoBCY amorphous coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-29
    Zhizhong Wang; Li Ma; Bin Han; Guosheng Huang; Qi Cao; Mingxian Sun

    The purpose of this paper is to examine the influence of cold spraying parameters on the performance of Fe-based amorphous alloy (FAA) coating. A FeCoCrMoBCY amorphous alloy coating was prepared on a 40Cr substrate by cold-spraying with different gas pressures and temperatures. The results show that the spray temperature has no substantial effect on the amorphous content during deposition. The porosity

    更新日期:2020-08-29
  • Effect of bilayer number on mechanical and wear behaviours of the AlCrN/AlCrMoN coatings by AIP method
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-25
    Sidra Iram; Jianming Wang; Fei Cai; Jiamin Zhang; Farooq Ahmad; Jiagang Liang; Shihong Zhang

    AlCrN/AlCrMoN multilayer coatings with various bilayer numbers (1, 2, 4, and 6) were deposited on high speed steel (HSS) via arc ion plating technology. The effects of bilayer numbers on the microstructure, mechanical and tribological properties were investigated. XRD and TEM results showed that the solid solution (Al, Cr, Mo) N was the main phase in the AlCrN/AlCrMoN multilayer coatings. As compared

    更新日期:2020-08-26
  • Characterization of thermal sprayed Si on sintered SiC for space optical applications
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-20
    Tayaramma D. P. V. Jalluri; S. Somashekar; Arjun Dey; R. Venkateswaran; S. Elumalai; B. Rudraswamy; K. V. Sriram

    Silicon carbide (SiC) ceramic exhibits several outstanding properties, such as superior chemical and thermal stabilities, high radiation resistance and low thermal expansion, that qualify it as a prime candidate for space applications. Optical quality with surface figure accuracy of the order of 60 nm peak-to-valley (PV) and micro-roughness (root-mean-square, RMS) less than 2 nm is necessary for space

    更新日期:2020-08-21
  • Corrosion behaviour of detonation gun sprayed cermet coatings on AA5083
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-20
    T. Arunnellaiappan; S. Baskaran; S. Arun; R. Prithivirajan

    Cermet coatings were fabricated on AA5083 by D gun coating technique using three different combinations of powder feedstock namely WC–Co, WC–Co–Cr, and Cr3C2–NiCr. The effect of powder combinations on coatings’ phase composition, surface morphology, and cross-sectional microstructure were investigated using XRD, SEM, and EDS. Major findings revealed that WC–Co and WC–Co–Cr powders produced higher thickness

    更新日期:2020-08-21
  • Tribological performance and behaviour of CVD TiC/TiCN/TiN multilayer coating at elevated temperature
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-19
    Shao-Long Wang; Nan Jiang

    TiC/TiCN/TiN multilayer coating was prepared on a high-speed tool steel W6Mo5Cr4V2 by chemical vapour deposition. The tribological performance and behaviour of the coating were investigated at an elevated temperature of 400–600°C. Results show that the friction coefficient of the coating first decreases from 0.39 to 0.08 and then increases from 0.08 to 0.23 with the increase in temperature, while the

    更新日期:2020-08-20
  • Acceleration effects of rare earths on salt bath nitriding: diffusion kinetics and first-principles calculations
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-14
    Chang Du; Jin Zhang; Le Zhang; Yong Lian; Mengsha Fang

    Nitriding can improve the surface hardness and wear resistance of metals, and rare earths can speed up this process. To study the mechanism of rare earths promoting salt bath nitriding, GX-8 steel was nitrided at different temperatures in two salt baths with and without rare earth Ce. First, structures and depths of the nitrided layers were investigated by microscopic observation, X-ray diffraction

    更新日期:2020-08-14
  • Surface engineering of personal protective equipments (PPEs) to prevent the contagious infections of SARS-CoV-2
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-01
    Lalit M. Pandey

    The outermost surfaces of Personal Protective Equipments (PPEs) interact with virus surface-protein as the first step during its transmission from aerosols and contacting surfaces, which can be tuned by surface engineering/modification. This report highlights the role of engineered surface chemistry of PPEs to avoid the spreading of the novel SARS-CoV-2 virus in hospitals. Physical properties of surfaces

    更新日期:2020-08-12
  • Structure, microstructure and electrodeposition behaviours of aluminium from AlCl3-EMIC and AlCl3-BMIC ionic liquid electrolytes – a comparative study
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-13
    B. Karthika; S. Mohan; Anuradha Bera; N. Rajasekaran

    Electrodeposition of aluminium on the copper substrate using two different chloroaluminate ionic liquid electrolytes such as AlCl3/1-Butyl-3-methylimidazolium chloride electrolyte (AlCl3-BMIC) and AlCl3/1-Ethyl-3-methylimidazolium chloride electrolyte (AlCl3-EMIC) were studied. Cyclic voltammetry studies reveal the aluminium deposition process follows two steps mechanism in AlCl3-EMIC electrolytes

    更新日期:2020-08-12
  • The modulation of the TiAlSiN coating on the band gap of monolayer MoS2
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-10
    R. Wang; K. Jin; D. M. Liu; K. Su

    MoS2 is a two-dimensional semiconductor nanoelectronic device, the application value and application field of which can be increased based on band-gap modulation. In this study, monolayer MoS2 samples were prepared on four TiAlSiN-coated substrates with different Ti compositions using the mechanical stripping approach. The band-gap variation in monolayer MoS2 was studied using the photoluminescence

    更新日期:2020-08-11
  • Ag-containing antibacterial self-healing micro-arc oxidation coatings on Mg–Zn–Sr alloys
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-06
    Yang Chen; Jinhe Dou; Zengfen Pang; Zhiqiang Zheng; Huijun Yu; Chuanzhong Chen

    The rapid degradation rate restricts the application of magnesium-based biomaterials. Therefore, we constructed Ag-containing micro-arc oxidation (MAO) coatings on Mg–3Zn–0.5Sr alloys to improve the properties of magnesium alloys. Different concentrations of CH3COOAg (0, 1, 2, 3 g L−1) were added into the electrolyte to investigate the effects of Ag+ content on properties of MAO coatings. The addition

    更新日期:2020-08-06
  • Influence of high-temperature condition on the microstructure and properties of FeCoCrNiAl0.3 and FeCoCrNiAl0.7 high-entropy alloy coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-01
    Yangchuan Cai; Lisong Zhu; Yan Cui; Keping Geng; Tengfei Han; Sunusi Marwana Manladan; Zhen Luo; Jian Han

    In the present study, FeCoCrNiAl x (x = 0.3, 0.7) coatings were fabricated by laser cladding technology. XRD analysis and scanning electron microscopy (SEM) were used to investigate the evolution of phases and microstructures before and after the high-temperature oxidation test. The micro-hardness, tribological behaviour, and corrosion resistance of the coatings, before and after the high-temperature

    更新日期:2020-08-01
  • Enhanced photocatalytic activity of Mg-doped ZnO thin films prepared by sol–gel method
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-01
    Muhammad R. Islam; Muhammad G. Azam

    Undoped ZnO and Mg-doped ZnO (MZO) thin films were synthesized by sol–gel dip-coating technique. The effect of Mg dopant on the structural, surface-morphological, and optical properties together with the photocatalytic activities of the films was studied. Morphological study shows that incorporation of Mg increases the porosity of the films. Structural investigation reveals that Mg doping declines

    更新日期:2020-08-01
  • Effect of laser remelting treatment on Al85Ni8Y4Ce3 amorphous coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-08-01
    C. G. Pei; Z. X. Guo; J. G. Xiao

    Al85Ni8Y4Ce3 amorphous coatings were prepared on Q235 steel by laser thermal spraying and laser remelting. The structure and thermodynamic behaviour of the coating were analysed by scanning electron microscope, energy-dispersive spectrometer, X-ray diffractometer and differential scanning calorimeter. The microhardness distribution and wear properties of the coating were investigated by microhardness

    更新日期:2020-08-01
  • UV-reflecting sintered nano-TiO2 thin film on glass for anti-bird strike application
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-28
    Tania Dey

    A nanocrystalline TiO2 glass coating was developed by sintering sol–gel derived thin film at 450°C. FTIR spectroscopy confirmed the absence of hydroxide gel and unreacted precursor as well as the presence of TiO2. The crystalline phase was predominantly anatase as identified from the XRD measurement and the crystallite size obtained from Scherrer’s equation was 166 nm. This was in good agreement with

    更新日期:2020-07-29
  • Mechanical behaviour of graded chemically bonded ceramic coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-28
    Bian Da; Guo Yongxin; Liu Yaxuan; Wang Yongguang; Zhao Yongwu

    To investigate the mechanical behaviour of graded chemically bonded ceramic coating, four types of ceramic coatings were prepared in this study, and a graded coating was designed using the four coatings sorted by hardness. A finite element simulation was performed to observe the mechanical properties of the graded coating. The results revealed that the effective hardness of the graded coating decreased

    更新日期:2020-07-29
  • Effect of substrate temperature on the oxidation behaviour of NiCrAlY coating
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-28
    Jafar Khakzadian; Seyed Hojjattollah Hosseini; Karim Zangeneh madar

    NiCrAlY coating was deposited on the IN-738LC Ni-based superalloy by cathodic arc deposition at the substrate temperatures of 400°C and 700°C. The effects of the substrate temperature on the microstructure and the isothermal oxidation behaviour of the coatings were then investigated. SEM image and XRD analysis were used to characterize the deposited coatings. It was found that when the substrate temperature

    更新日期:2020-07-29
  • C/SiC composite coatings with ultra-high thermal emissivity
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-23
    J. Yi; J. P. Huang; G. P. Song; X. D. He; B. Wang; N. Jiang

    C/SiC gradient composite coatings with ultra-high emissivity have been deposited at 900°C on 316L stainless steel (SS) substrates using electron beam-physical vapour deposition (EB-PVD) by directly evaporating the raw powder of α-Sick The structural properties of the coating were investigated in detail. The results showed that the coating was mainly composed of C and nanocrystalline SiC. Its surface

    更新日期:2020-07-24
  • Microstructure development and nanoindentation behaviour of annealed Ni-P-Ti coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-20
    Zhi Li; Zoheir Farhat

    Electroless Ni-P-NiTi composite coatings were prepared on API X100 steel substrates by co-depositing Ti particles and Ni-P then followed by annealing Ni-P-Ti coatings. The formation of austenite NiTi phase was validated by XRD, line scan and point EDS. The Gibbs free energies for the formation of various intermetallic NiTi phases during annealing were calculated. The nanoindentation behaviour of annealed

    更新日期:2020-07-21
  • Effect of plasma nitriding at low temperature on the corrosion resistance and conductivity of 2205 duplex stainless steel
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-14
    Hongyu Shen; Liang Wang; Juncai Sun

    A nitrogen expanded austenite (γN) layer with a thickness of 3 μm was prepared by plasma nitriding of 2205 duplex stainless steel (DSS) at 460°C for 1 h with hollow cathode discharge assistance. The microstructure and phase composition of nitrided specimens were examined. The electrical conductivity of nitrided samples was measured before and after the corrosion test, respectively. The corrosion current

    更新日期:2020-07-15
  • Effect of surface mechanical attrition treatment on stainless steel corrosion
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-09
    Minrui Ran; Ci Zhang; Lei Wen; Hongyu Zhou; Wenyue Zheng

    Surface mechanical attrition treatment (SMAT) is a unique method for the nanoscale refinement of a surface grain structure without changing the alloy chemical composition. Herein, the effect of SMAT on the corrosion resistance of 316L stainless steel in artificial sea water used as a corrosive medium has been investigated. As a result, a passive film and a nanostructured layer were formed on the SMAT-processed

    更新日期:2020-07-10
  • Effects of Pd- and Ta-buffer layer on magnetic and interfacial perpendicular properties of sputtered Co2FeSi/MgO heterostructures
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-09
    Ke Wang; Yongming Tang; Xiaopeng Xiao; Jian Liu

    A series of Co2FeSi (CFS)/MgO heterostructures with Pd and Ta buffers are fabricated by sputtering method. Perpendicular magnetic anisotropy (PMA) with energy density of ∼1 × 106 erg/cm3 is demonstrated in the annealed heterostructures deposited onto two heavy metal buffers. Pronounced influence of buffer layers on the magnetic and interfacial PMA properties is observed. Thicker magnetic dead layer

    更新日期:2020-07-09
  • Fabrication of durable superhydrophobic surface through silica-dissolution-assisted etching template approach
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-09
    Yan Zhang; Xinrui Zhu; Yujian Liu

    A convenient fabrication approach is proposed for a durable superhydrophobic epoxy surface. By duplicating micro-rough topography of the template, covalently grafting with TiO2 nanoparticles, and treating with perfluorooctyltriethoxysilane, the surface shows superhydrophobicity with a high static contact angle (162.0°) and a low sliding angle (2.5°), respectively. And its WCA has hardly changed along

    更新日期:2020-07-09
  • Consolidation mechanism, microstructural evolution and corrosion resistance of Inconel 625 coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-02
    Eyitayo Olatunde Olakanmi; Kinsman Malikongwa; Sipiwe Trinity Nyadongo; Shaik Hoosain; Sisa Lesley Pityana

    The inter-relationships between geometrical properties, microstructural characteristics and corrosion resistance on one hand and laser-material interaction parameter (α) on the other hand are examined. A laser-material interaction parameter within the range of 599 ≤ α ≤ 400 J.s g−1 mm−1 imparted optimum characteristics of microstructure, microhardness and corrosion resistance. The consolidation mechanism

    更新日期:2020-07-03
  • Friction and wear performance of CrSiBCN coatings sliding against ceramic and metal counterparts in sea water
    Surf. Eng. (IF 2.433) Pub Date : 2020-07-02
    Qianzhi Wang; Xuxin Jin; Yunshi Ding; Fei Zhou

    In order to optimize the counterpart material and subsequently improve the tribological properties of CrSiBCN coatings on transmission components in sea water, the friction behaviour of CrSiBCN coatings sliding against two ceramics and two metals was investigated. The overall relative index (RIo) of friction coefficient and wear rate was used as evaluation criterion. Experimental results showed that

    更新日期:2020-07-03
  • Development of reflective co-sputtered nanostructured metallic films
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-24
    K. Prajwal; G. L. Priyanka; Mohammed Adnan Hasan; A. Carmel Mary Esther; N. Sridhara; A. Rajendra; S. B. Arya; Arjun Dey

    DC magnetron co-sputtering technique is utilised to develop reflective Ag- and Al-based metal films co-sputtered with Ni deposited on quartz glass substrates. The sputtered films are characterised by field emission scanning electron microscopy (FESEM), atomic force microscopy (AFM) and X-ray diffraction (XRD) techniques to investigate microstructure, topology and phase analysis, respectively. Further

    更新日期:2020-06-24
  • Superhydrophobic silicone rubber surface prepared by direct replication
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-23
    Guangfei Wang; Wei Zhou; Jin Zhou; Meimei Wang; Yanbin Zhang; He Qiang

    The superhydrophobic surface of silicone rubber was prepared by means of a simple direct replication and compression moulding process. It was worth noting that the rough structure endowed the surface of the silicone rubber with excellent superhydrophobic, low adhesion and self-cleaning properties. The contact angle with water was 158.5 ± 0.5°, and the rolling angle was 8.9 ± 0.1°. Even if immersed

    更新日期:2020-06-24
  • Mechanical properties of TiN films prepared in glow-arc transition region
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-22
    Hongri Liu; Bailing Jiang; Hongtao Li

    Titanium nitride (TiN) films were generated in the abnormal glow discharge (AGD) region and the glow-arc transition discharge (GATD) region by varying target current density (Ja) in an Ar/N2 atmosphere in the pulsed DC magnetron sputtering system. The effects of different discharge regions on the structure and mechanical properties of TiN films were investigated by X-ray diffraction (XRD), scanning

    更新日期:2020-06-23
  • Fabrication of self-cleaning superhydrophobic silicone rubber insulator through laser texturing
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-21
    Deepak Patil; Sivanandam Aravindan; Ramanujam Sarathi; Paruchuri Venkateswara Rao

    Silicone insulators are gaining its importance in the transmission and distribution of the power system networks. This study proposes a simple and high throughput way of fabrication of superhydrophobic silicone surfaces. The Nd:YAG nanosecond pulse laser was used to engrave six different types of structures on silicone rubber. The water contact angle (CA) and contact angle hysteresis (CAH) were measured

    更新日期:2020-06-23
  • Effect of stand-off distance (SOD) on damping properties of atmospheric plasma sprayed alumina-zirconia ceramic coatings
    Surf. Eng. (IF 2.433) Pub Date : 2020-06-21
    C. Shilpa; K. Mahesha; Arjun Dey; K. B. Sachidananda

    Alumina–25 wt-% zirconia (AZ) coatings were deposited on AISI304 stainless steel substrates by atmospheric plasma spraying (APS) technique with three different stand-off distances (SOD) namely, 75, 100 and 125 mm. X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques were utilized to study the phases and microstructures of the coatings, respectively. Surface roughness and percentage

    更新日期:2020-06-23
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