ABSTRACT Alginate coatings were fabricated by electrophoretic deposition (EPD) using alcohol (methanol, ethanol and isopropanol)-water mixtures at different ratios. Water electrolysis and so current density increased with water content and EPD time leading to the more bubbles in coatings. EPD rate increased with water amount due to the increase in concentration of H+ and Alg− ions and reduction in

ABSTRACT The concentration distribution of electrons and free radicals in remote argon plasma were studied by using a langmuir probe and electron spin resonance. The polyvinylidene fluoride (PVDF) membranes were modified by remote argon plasma, analyzing the hydrophilic properties and antifouling of modified membranes surface. Furthermore, the membranes were characterized for their morphologies and

ABSTRACT FeCoCrNiMnAl high-entropy alloy cladding was fabricated on the surface of 4Cr5MoSiV1 substrate by laser cladding technology. The microstructure, hardness and wear resistance of the cladding layer were systematically investigated using electron back scattered diffraction, transmission electron microscope, microhardness and wear tests. The was no obvious change in the grain size, type and proportion

ABSTRACT The short electrode life is one of the most important problems associated with resistance spot welding of galvanised steel sheets. In this study, a nanolayered multi-layer CrN/(Cr,Al)N coating was deposited on the tip of the electrode by applying the cathodic arc physical vapour deposition process with the layer thickness of about 30 nm and an overall thickness of 1.1 µm. The electrode life

ABSTRACT Superhydrophobic films were successfully designed for a copper substrate using potentiostatic deposition of Ni and Ni-graphene composite followed by treatment with stearic acid (SA). A scanning electron microscope was used to examine the surface morphology of the prepared superhydrophobic films, and the results revealed that both Ni-SA and Ni-graphene-SA films have micro-nano structures. FTIR

ABSTRACT During friction and wear, the friction coefficient of cemented carbide could be significantly reduced through surface texturing. In this work, we conducted a comparative analysis of the friction and wear resistance of the micro-textured surface and lubricated micro-textured surface and analysed the lubrication mechanism of the micro-textured surface with the solid lubrication. In particular

ABSTRACT Combining photocatalytic and superhydrophobicity characteristics on the same surface remains a challenge. In this work it was overcome that challenge by fabricated Ag/Fe2O3/ZnO heterostructure surfaces via using a simple precipitation method; stearic acid (SA) was then employed to improve the roughness and increase the water contact angles (WCA) of the surfaces. The effects of SA and Ag/Fe2O3

ABSTRACT High-temperature corrosion of coal-fired boiler parts such as water walls and superheated tubes poses a serious threat to the efficiency of the thermal power plant. To overcome this, numbers of corrosion control techniques are commonly employed. But, a dense and defect-free coating deposited by the thermal spray technique has shown promising result to combat hot corrosion. Although open or

ABSTRACT We propose a facile and combined methodology to develop magnetron sputtered various metals and alloy (e.g. tungsten, tin and nichrome), and metal oxide (indium tin oxide) thin film-based micro-patterns deposited on flexible and rigid substrates utilizing reusable patterned mask. CO2 laser-cut glass-based mask is fabricated and assembled with the substrates for pattern printing by sputtered

ABSTRACT Herein, we report the preparation and characterisation of fluororubber coated superhydrophobic Poly (ethylene tetrapthalate) (PET) fabric and polyurethane (PU) sponge. The coating surface structure over PET fabric is more stable and hydrophobic (water contact angle (CA) ≥ 153°) with mass ratio 5:1 of fluororubber/carbon nanotubes (CNTs). Fluororubber/CNT coated PET fabric has good wear resistance

ABSTRACT Microarc oxidation (MAO) coatings were produced on the Al–Cu alloys at different oxidation times. Surface morphologies, phase composition and residual stress, and wear resistance were analysed by SEM and a laser scanning confocal microscopy, X-ray diffraction, and reciprocating friction and wear tester, respectively. Increases in surface roughness, porosity, cracks, thickness, and α-Al2O3

ABSTRACT In this study, a chemical reaction process was designed to prepare the endogenous conversion coating on a smooth and clean amorphous alloy surface, solving the problem of non-wetting of the interface between the iron-based amorphous alloy and the resin during the packaging process. The best preparation condition is to react in salt solution at 85°C for 2 h. At this time, the conversion film

ABSTRACT In this study, the coating was fabricated on the AISI420 stainless steel substrate by laser cladding, and the 18Cr-0.2C Fe-based powder was used in the process. The substrate was close to the heat source exhibited a complex thermal cycle, as evidenced by the significant changes in microstructures and mechanical properties of those regions. The microstructure, phase compositions, mechanical

ABSTRACT Zinc sulphide (ZnS) thin films were synthesised by chemical bath deposition technique without using complexing agent. A physicochemical study was realized on the growth solution composed of ZnCl2, KOH, and SC(NH2)2. The bath solution was at 60°C and pH values of 11.5, 12, and 12.5 were selected for growing the material. The species distribution diagrams, and solubility curves show that the

ABSTRACT The present study facilely prepared the hydrophobic and flame-retardant (FR) multifunctional coating on silk textile through ferric ion chelation route, and focused on multifunctional abilities and mechanisms of ferric salt on silk. Morphology and structure properties of the modified silk were characterised by scanning electron microscope, atomic force microscopy and X-ray diffraction analyses

ABSTRACT Zn-Al film was prepared on biaxially oriented polypropylene (BOPP) substrate via vacuum thermal evaporation. The microstructure and its correlation with sheet resistance of Zn-Al film were explored systematically. The results showed that the macromorphology of Zn-Al film was closely related to the surface topography of BOPP substrate. XRD and SEM analysis indicated that Zn-Al film displayed

ABSTRACT To improve the wear resistance of AA6061 aluminium alloy, Fe-based composite coatings were prepared by laser surface alloying with Fe–B4C or Fe–B4C–Ti mixed powders. Microstructures, phase compositions and wear properties were investigated. The results indicated that the coating fabricated with Fe–B4C was mainly composed of FeAl, Fe3Al, Fe4Al13, CrB, Cr2B, Cr23C6, Al4C3, (Fe, Cr) and α-Al

ABSTRACT In this study, ZrO2–Al2O3 composite ceramic coating toughened by ZrO2 nanorods through cathode plasma electrolytic deposition (CPED) was prepared on Al–Si alloy substrate. The microstructure, heat insulation performance, and fracture toughness of the coatings were investigated with SEM, XRD, heat insulation tests, and tensile tests. The ZrO2 nanorods prepared by the hydrothermal method consist

ABSTRACT The experimental work on the self-cleaned zirconia coatings prepared using a co-precursor sol–gel method is presented here. The zirconia coatings were synthesised using zirconium n-propoxide (ZrPro) precursor and different organosilanes such as trimethyl cholorosilane (TMCS), hexamethyl disilzane (HMDZ) and perfluorodecyl triethoxy silane (FDTES) as co-precursors. The organosilanes have a

ABSTRACT Polyester fabric is widely used in our daily life, while it is highly flammable and easy to produce melt dripping during combustion causing huge potential hazards. Endowing polyester fabric with flame retardancy and dripping-resistance simultaneously is still a difficulty. Eco-friendly polyethylenimine/phytic acid (PEI/PA) coating on polyester fabric was fabricated in this study. The limiting

ABSTRACT Since the bioactive surface needs hydrophilic coating; and the high corrosion resistance needs a hydrophobic one, it is a challenge to design a bioactive film that exhibits corrosion protection. In this article, Hexa-Methylene Diamine Tetra-Methylene Phosphonic Acid (HMDTMPA) film was deposited on Mg substrate at different heat treatment conditions. The heat-treated films at 150°C showed remarkable

ABSTRACT Superhydrophobic surfaces – driven from natural biology – are being increasingly studied in many engineering fields. This study fabricated hydrophobic AAO/Ni coatings and superhydrophobic AAO/Ni/Ni coatings based on aluminium alloy substrates. The surface morphologies of prepared samples were systematically examined, and the compositional analysis was conducted. Furthermore, the corrosion

ABSTRACT The dynamic water contact performances and drying processes of two commercially available superhydrophilic coatings, QS200, used for glass antifogging, and QS3100, used for the self-cleaning of solar photovoltage panels, both with static contact angles near zero, have been evaluated. We investigated the drying behaviours of both statically and dynamically deposited water droplets on these

ABSTRACT The work aims to assess the influence of tool electrode material while surface modification of Ti-alloy through the micro-electrical discharge coating (μEDC) process. Brass and tungsten micro-tool (800 μm)are chosen based on their mechanical, thermal, and electrical properties to conduct the experiments at different coating criteria such as duty cycle, voltage, and powder (tungsten disulphide)

ABSTRACT This work successfully prepared a hydroxyapatite (HA)-containing self-sealing micro-arc oxidation (MAO) coating on pure Mg by adding HA particles into a Ca–P based electrolyte solution. Biodegradation behaviour of the obtained coatings was studied. The HA particles transformed the porous MAO coating into a self-sealing coating. The presence of different melting point MAO coating constituents

ABSTRACT A simple, accurate and rapid construction method of superhydrophobic fabric coating was provided. Firstly, a homogeneous solution was obtained by dissolving a certain amount of silicone resin and polymethyl methacrylate (PMMA) in N,N-Dimethylformamide (DMF). Then, a nanocrystals solution system was made by adding ethanol to the homogeneous solution to induce the crystallization of PMMA. Finally

ABSTRACT In this study, three different types of stainless steels, AISI 304, AISI 420, and AISI 430 were pack borided under 850 °C–925 °C–1000 °C for 2, 4, and 6 h, respectively. Morphologies of coating were investigated by optical and scanning electron microscope (SEM). The maximum layer hardness was determined to be 1736 HV0.05, 1659 HV0.05, and 1572 HV0.05 for AISI 304, AISI 420, and AISI 430, respectively

ABSTRACT A silica/epoxy hydrophobic coating (water contact angel (WCA) = 130°) was prepared on a glass substrate and further treated in a low-temperature plasma (PL) condition, which surprisingly resulted in an amphiphilic surface (best WCA = 3.5°, best oil CA = 5°) with excellent surface stability and without decay along with the time. We systematically studied the influences of two working gases

ABSTRACT In this study, we fabricated a super-hydrophilic (θ < 5°) hierarchical reticular porous structure on the surface of Ti–24Nb–4Zr–8Sn (Ti2448) by combining sandblasting, dual acid-etching, and alkali thermal treatment. The super-hydrophilic hierarchical structure on the surface contained fine well-distributed nanopores with random microscale structures, leading to extremely high surface hydrophilicity

ABSTRACT The rapid increase in the world population has drastically increased the generation of organic solid waste. Currently, this is disposed of mainly in landfills, leading to environmental pollution that necessitates the development of new treatment technologies. Catalytic wet oxidation has been proven to be an effective technology for solid waste destruction and the elimination of hazardous organic

ABSTRACT In this study, for the first time, ZrC coating was deposited on SiC coated graphite by optimized atmospheric plasma spray (i.e. solid shielding shrouded plasma spray (SSPS)) method. Then SSPS-ZrC coatings were compared with the atmospheric plasma spray APS-ZrC coatings. The results indicated that the the SSPS-ZrC coated sample had lower porosity compared with APS-ZrC coating (3% and 7.5% respectively)

(2021). Statement of Retraction: Preparation of self-healing anti-corrosion coatings using oil-filled ethyl cellulose nanocapsules. Surface Engineering: Vol. 37, Special Issue: Properties, pp. 832-832.

ABSTRACT In this study, self-organised microspiked surface structures were fabricated with a picosecond laser source on austenite stainless steel. The laser-processed surface structures were subjected to low-temperature annealing for chemical modification to reduce the surface free energy of the metal oxides formed due to laser processing. The low-temperature treatment accelerates the adsorption of

ABSTRACT Hierarchical Cu2O/CuO/TiO2 hollow nanostructured films with petal effect (high superhydrophobicity and high adhesion to water droplets) have been synthesized through a facile solvothermal approach, and the wettability of the product films was studied. The protocol was carefully designed for the preparation of the multi-scaled nanostructures. Cu(OH)2 nanorod arrays were used as precursors,

ABSTRACT This experimental work deals with the measurement of the contact angle of the nanocomposites made of phase change material (PCM) OM 08 and multi-wall carbon nanotubes (MWCNTs) with different volume concentrations namely, 0.05%, 0.1%, 0.3%, 0.5%. Two different types of copper substrate, namely copper plate with and without shot blasting, were used in this study. It was identified that the droplet

ABSTRACT In this study, the (FeMnCrNiCo + 20%TiC) laser cladding layer was re-treated through multiple-pass in-situ laser remelting. Optical microscopy, scanning electron microscopy, and X-ray diffraction were used to analyse the evolution of microstructures and phases before and after the in-situ laser remelting processes. The micro-hardness and wear resistance of the composite coatings were systematically

ABSTRACT In this work, a SnO2-doped TiO2 film was rapidly prepared as lithium-ion battery anode by the one-step plasma electrolytic oxidation process on Ti foil. The whole process was carried out in an aqueous solution at room temperature and under atmospheric pressure without any heating or post-treatment. The prepared TiO2/SnO2 composite film exhibited a porous structure with large amounts of channels

ABSTRACT In this research, the high-duration ablation resistance of SiC-gradient coating was investigated. SiC coating was prepared on graphite by reactive melt infiltration method at 1873 K under the argon atmosphere. Formation of the SiC layer with gradient distribution of Si and C elements was confirmed by X-ray diffraction patterns and scanning electron microscope micrographs. The results of the

(2021). Correction. Surface Engineering: Vol. 37, Special Issue: Properties, pp. 831-831.

ABSTRACT In this study, La2(Zr0.7Ce0.3)2O7 nanostructured coatings were applied by plasma spraying of the nanostructured agglomerates. Initial nanostructured precursor, precursors calcined at 400°C, 600°C and 900°C with La2(Zr0.7Ce0.3)2O7 compound were used to apply top coat layer of the coatings. XRD results and microstructural observations indicated that a uniform distribution of LC phase in LZ matrix

ABSTRACT Mechanically robust superhydrophobic (SHP) and icephobic performances are highly needed for an anti-icing surface in practical applications. Here, a SHP coating is prepared on the aluminium (Al) substrate using hydrothermal reaction and subsequent modification of hexadecyltrimethoxysilane, showing a water contact angle larger than 158° and a sliding angle (SA) less than 5°. This SHP coating

Mechanically robust superhydrophobic (SHP) and icephobic performances are highly needed for an anti-icing surface in practical applications. Here, a SHP coating is prepared on the aluminium (Al) su...

In this research, YSZ-Alumina top coat was deposited on the Hastelloy substrate with a NiCrAlY bond coat by Atmospheric plasma spraying process. YSZ-10 wt-% Al2O3 composite coatings with pyrolysed ...

ABSTRACT Water jet peening is a surface modification technique which can introduce compressive residual stresses beneath the surface of the engineering components. In this paper, the effects of water jet peening process, in the absence of abrasive materials on residual stresses, surface roughness, and fatigue life of the aluminium alloy 7020 samples were numerically and experimentally investigated

ABSTRACT Hydrogenated diamond-like carbon (DLC: H) films were successfully fabricated on the surface of 13Cr super martensitic stainless steel by high-pulsed power chemical vapour deposition. The mechanical and tribological properties of the films related to the substrate bias voltages were investigated. The results showed that the surface hardness and tribological properties of the substrate after

Water jet peening is a surface modification technique which can introduce compressive residual stresses beneath the surface of the engineering components. In this paper, the effects of water jet pe...

Hydrogenated diamond-like carbon (DLC: H) films were successfully fabricated on the surface of 13Cr super martensitic stainless steel by high-pulsed power chemical vapour deposition. The mechanical...

In recent research, a method for manufacturing superhydrophobic metal surfaces using pulse laser texturing has been developed. After laser texturing, a sample can be converted into a superhydrophob...

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 c...

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 disti...

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

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 form...

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 develo...

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 densifi...

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 (S...

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 ...

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 wa...

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...

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 desig...

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...