-
Synthesis and growth mechanism of ceramic coatings on an Al-Cu alloy using plasma electrolytic oxidation in molten salt J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Alexander Sobolev; Tamar Peretz; Konstantin Borodianskiy
-
Dynamic mechanical behavior of (La0.7Ce0.3)65Al10Co25 bulk metallic glass: Influence of the physical aging and heat treatment J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-20 L.T. Zhang; J.M. Pelletier; J.C. Qiao
Dynamic mechanical relaxation behavior of (La0.7Ce0.3)65Al10Co25 bulk metallic glass was studied by using dynamic mechanical analysis (DMA). The experimental results demonstrated that (La0.7Ce0.3)65Al10Co25 bulk metallic glass displays a pronounced slow β relaxation. Influence of the physical aging and heat treatment on the internal friction of the metallic glass were also analyzed. Physical aging
-
Highly efficient hydrogen evolution reaction performance and long-term stability of spherical Ni100−xFex alloy grown directly on a carbon paper electrode J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Junhee Lee; Namgyu Son; Jongmin Shin; Sadanand Pandey; Sang Woo Joo; Misook Kang
-
An in-situ neutron diffraction investigation of martensitic transformation in a metastable β Ti-10V-2Fe-3Al alloy during uniaxial tension J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-23 Carla Isabel Pinilla Ducreux; Ahmed A. Saleh; Azdiar A. Gazder; Elena V. Pereloma
The deformation behaviour of a metastable β Ti-10V-2Fe-3Al (wt%) alloy containing ~10 vol% α phase was investigated via single-peak fitting and Rietveld refinement of in-situ neutron diffraction data collected during uniaxial tension. The formation of the 021α″ fibre is related to martensite variant selection during β → α″ transformation under applied load. The β lattice parameter increases by ~0.08%
-
Development of liquid-phase fabrication of nanotube array-based multiferroic nanocomposite film J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-16 Go Kawamura; Irna Puteri Binti Shahbudin; Wai Kian Tan; Taichi Goto; Yuichi Nakamura; Mitsuteru Inoue; Hiroyuki Muto; Kazuhiro Yamaguchi; Aldo R. Boccaccini; Atsunori Matsuda
-
Structural analysis through cations distributions of diamagnetic Al3+ ions substituted Ni-Zn-Co ferrites J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-18 Nusrat Jahan; J.I. Khandaker; S.I. Liba; S.M. Hoque; M.N.I. Khan
In the current study, we explored the influence of structural, morphological, and magnetic properties of diamagnetic aluminum (Al3+) ions substituted nickel-zinc-cobalt (Ni-Zn-Co) spinel ferrites synthesized by the conventional ceramic technique. Single-phase cubic spinel structures with the Fd3m space group of Ni0.4Zn0.35Co0.25Fe(2‐x)AlxO4 (0 ≤ x ≤ 0.12) ferrites were confirmed by the Rietveld refinement
-
Preparation, characterization and dielectric properties of GO based ZnO embedded mixed metal oxides ternary nanostructured composites J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-22 Debasrita Bharatiya; Biswajit Parhi; Sarat K. Swain
The present work aims to highlight the enhanced dielectric permittivity and electronic properties of GO-based ZnO, CuO and Ag2O mixed ternary nanostructured composite developed by simple sol-gel based hetero-selection synthesis approach. The significant dielectric properties is observed for GO/ZnO@Ag2O nanostructured composite with the dielectric constant ε′ between 5 × 102 up to 3.1 × 104 with the
-
Investigation of microstructure and hydrogen absorption properties of bulk immiscible AgRh alloy nanoparticles J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-19 Akhil Tayal; Okkyun Seo; Jaemyung Kim; Kohei Kusada; Hirokazu Kobayashi; Hiroshi Kitagawa; Osami Sakata
Bimetallic alloy nanoparticles (NPs) exhibit superior catalytic and chemical storage properties relative to the monometallic NPs. Previously, it has been reported that bimetallic AgRh forms solid-solution alloy NPs that have unusual hydrogen storage properties not commonly observed in individual Ag and Rh NPs. Here, we use a combination of X-ray diffraction (XRD) and X-ray absorption fine structure
-
Compositional and morphological design of hierarchical Co2Y@MnO2@CNTs core-shell microflowers for broadband microwave absorption application J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Li He; Xun Li; Ruochen Dai; ZuTing Zhong; Yuchen Zhao; Ying Yang
-
Investigation of the synergistic effect on cobalt oxide modified silver surface for electrocatalytic hydrogen evolution reaction J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-25 Lingxing Zan; Hongling Zhang; Xin Bo; Yuyue Zhao; Huanqing Tian; Hao Chen; Qingbo Wei; Haoqing Tang; Feng Fu
-
Integration of RuO2/conductive fiber composites within carbonized micro-electrode array for supercapacitors J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Mao-Jung Huang; Wen-Hsi Chen; Chia Cheng; Shin-Rung Chen; Jeng-Yu Lin; Chii-Rong Yang
-
Influence of surface pinning in the domain on the magnetization dynamics in permalloy striped domain films J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-25 Meihong Liu; Shuai Du; Fanghzou Wang; Roman Adam; Qiuyue Li; Xiaoqi Ma; Xinfang Guo; Xiaowen Chen; Jing Yu; Yawen Song; Jie Xu; Shandong Li; Derang Cao
We studied the influence of surface pinning on the domain structure and magnetization dynamics in permalloy stripe domain films. The effect of the pinning in the film was controlled by introducing the defects via the interface roughness of the silicon substrate. The results show that the pinning, induced by these defects, leads to the irregularity of the stripe domain and change of their local distributions
-
STEM-EELS analysis of improved cycle life of lithium-ion cells with Al2O3-coated LiNi0.8Co0.1Mn0.1O2 cathode active material J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-19 Naoki Kimura; Eiji Seki; Tatsuya Tooyama; Shin Nishimura
-
Phase transformation and mechanical stability of niobium aluminide (Nb3Al) induced by high pressures J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-22 Zelin Cao; Kaige Hu; Min Pan; Zheng Huang; Wenqiang Hu; Hao Wu; Liu Pan; Lei Han; Jiaming Wang; Yong Zhao; Huiqiu Deng
The A15-type conventional superconductor Nb3Al alloys have been widely studied because of their high-performance superconductivity, which is generally considered a β-W3O-type structure with space group Pm3̅n at ambient pressure. In this study, four new crystalline phases of Nb3Al with space groups C2/m, I4/mmm, Pmmm and Pm3̅m were predicted using the particle swarm optimisation method. The mechanical
-
Electrochemical characterization of orthorhombic tungsten trioxide hydrate for battery applications J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-19 M. Manuja; Tintu Thomas; Sam John; Joshy Jose; Gijo Jose
-
Low temperature carrier transport mechanism and photo-conductivity of WSe2 J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Manjot Kaur; Kulwinder Singh; Ishant Chauhan; Hardilraj Singh; Ram K Sharma; Ankush Vij; Anup Thakur; Akshay Kumar
-
Good energy storage properties of Na0.5Bi0.5TiO3 thin films J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Fang Wang; Cong Zhu; Shifeng Zhao
Lead-free perovskite-structured single-phase Na0.5Bi0.5TiO3 (NBT) thin films were successfully prepared by a sol-gel technology. The films exhibited a leakage current density of about 3.1 × 10-3 A/cm2 under an electric field of 500 kV/cm and their characteristic breakdown strength was 1250.49 kV/cm. At a frequency of 1 kHz, the dielectric constant and dielectric loss of the NBT films were 405 and 0
-
Structural and spectral studies of highly pure red-emitting Ca3B2O6:Eu3+ phosphors for white light emitting diodes J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Isha Charak; M. Manhas; A.K. Bedyal; Sukhbir Singh; Anurag Srivastava; H.C. Swart; Vinay Kumar
-
Impedance Engineered Microwave Absorption Properties of Fe-Ni/C Core-shell Enabled Rubber Composites for X-band Stealth Applications J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Lokesh Saini; Vatsana Gupta; Manoj Kumar Patra; Raj Kumar Jani; Anuj Shukla; Narendra Kumar; Ambesh Dixit
-
Magnesium-silver cathodes for efficient charge injection into Organic Light Emitting Diodes deposited by LTVA method J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 R. Vladoiu; A. Mandes; V. Dinca; P. Kudrna; M. Tichý; S. Polosan
-
Electrospun assisted antimony phosphate (SbPO4) anode for elevated performance in sodium and lithium ion charge storage application J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 K. Diwakar; P. Rajkumar; R. Subadevi; P. Arjunan; M. Sivakumar
-
Segregation engineering in a promising heat-resistant AlCoCrFeMo0.05Ni2 high entropy alloy J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Qilu Ye; Gang Yang; Bin Yang
-
Metal chalcogenides-based materials for high-performance metal ion capacitors J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Dan Zhang; Le Li; Yuanzheng Zhang
Metal ion capacitors (MICs) are a new type of hybrid electrochemical energy storage (EES) device, comprising of a battery-type electrode and supercapacitor-type electrode, and with integrated the advantages of batteries and supercapacitors (high energy density, high power density, and long lifespan), making it an advanced energy storage device with commercial application prospects. However, the practical
-
VOOH nanosheets with Enhanced Capacitance as Supercapacitor Electrode J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Chang Xu; Ming Li; Kaibin Li; Zengyan Du; Jiawang Chen; Fengxia Zou; Sichao Xu; Nian Li; Guanghai Li
-
Investigation on wetting behavior and mechanism of AgCu-Xwt.%Ti filler metal/AlN ceramic reactive wetting system: Experiments and First-principles calculations J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Haifeng Xu; Yue Zhao; Jian Yang; Jihua Huang; Shuhai Chen; Zheng Ye
-
Synthesis and Investigation of Small g-values for Smart Spinel Ferrite Nanoparticles J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Harun Bayrakdar; Orhan Yalçın; Songül Özüm; Uğur Cengiz
-
Effects of hydrogen on the deformation mechanism of face-centred cubic Fe–C single crystal with nanovoid: A molecular dynamics simulation J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Ye Jiao; WenJiao Dan; WeiGang Zhang
In the present work, the deformation mechanisms of face-centred cubic (fcc) Fe–C single crystal with nanovoid containing hydrogen at various contents are investigated by molecular dynamics (MD) tensile simulations. The microstructural evolution of the supercell without H reveals that the plastic deformation mechanism is fcc→bcc→hcp continuous martensitic transformation. For the supercell containing
-
IP and OOP ferroelectricity in hexagonal γ-In2Se3 nanoflakes grown by chemical vapor deposition J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Rashad Rashid; Francis Chi-Chung Ling; Shuang-Peng Wang; Ke Xiao; Xiaodong Cui; Rao Qing; Dong-Keun Ki
Indium selenide (In2Se3) has got much recent attraction in a variety of research areas mainly due to its multiphase structure. Many existing studies, however, have focused on growth of α and β phase, while chemical vapor deposition (CVD) growth of the γ-phase has only been achieved for micon-thick flakes with the assistance of iodine trichloride (ICl3) catalysts. Here, we present the “catalyst-free”
-
Unravelling the chemical heterogeneity of α-Pu2O3(111) surface with the site-selective adsorption of H2O and CO2 J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-02 Le Zhang; Bo Sun; Qili Zhang; Haifeng Liu; Kezhao Liu; Haifeng Song
Unravelling the surface physical and chemical properties, especially the surface activity of Pu-oxides (PuO2, α-Pu2O3) toward molecules, is essential to the long-term storage and surface reaction of Pu. Within DFT+U-D3 scheme, we systematically investigate the adsorption behaviors of H2O and CO2 on α-Pu2O3(111) surface, and clarify the different chemical activity of α-Pu2O3(111) surface from PuO2(111)
-
Improving mechanical properties and tribological performance of Al0.2Co1.5CrFeNi1.5Ti0.5 high entropy alloys via doping Si J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-13 Benbin Xin; Aijun Zhang; Jiesheng Han; Junhu Meng
-
Accelerated study of magnetic Fe-Co-Ni alloys through compositionally graded spark plasma sintered samples J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-25 V. Chaudhary; Li Ping Tan; Vinay K. Sharma; R.V. Ramanujan
Soft magnets are extensively deployed in rotating electric machines. Accelerated development of new high Curie temperature, mechanically strong, magnetically soft magnets is urgently needed for next generation rotating electrical machines. The ternary Fe-Co-Ni alloy system was investigated. Spark plasma sintering (SPS) was employed to process compositionally graded (Ni-21Fe)-xCo samples. A combinatorial
-
Effect of billet microstructure and deformation on austenite grain growth in forging heating of a medium-carbon microalloyed steel J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-25 Fan Zhao; Hao Hu; Xinhua Liu; Zhihao Zhang; Jianxin Xie
-
Metal-organic frameworks derived hierarchical CoSx@Ni-Co-O nanosheet structures for supercapacitors with excellent charge storage properties J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Linlin Lv; Jiaxu Gong; Wei Wang; Huan Zhang; Linyu Pu; Jiaheng Wang; Ding Zhu; Yatang Dai
-
Manufacturing method of aramid fiber applied to wearable intelligent system J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Zhenyu Shi; Shuai Zhang; Jilai Wang; Chengpeng Zhang; Zhaohui Wang; Bin Zou; Xianzhi Zhang
With wearable smart textiles playing an increasingly important role in people’s life, aramid fiber (AF) stands out among high-performance materials due to its outstanding flexibility, high strength, and impact resistance. However, its excellent insulation makes it unable to sense and respond to external stimuli, which seems to be a call to multiwalled carbon nanotubes (MWCNTs) with high conductivity
-
Recent progress and future perspectives of flexible Zn-Air batteries J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-02 Weiguang Fang; Juanjuan Zhao; Wen Zhang; Piaolu Chen; Zhiman Bai; Mingzai Wu
With the booming of flexible and wearable electronic devices, demands for compatible power supply devices with high energy density and safety, excellent flexibility for superior comfort, as well as compact structure to drive these wearable electronic devices are increased rapidly. Rechargeable solid-state flexible Zn-air battery (F-ZAB) is considered as one of the most competitive and promising energy
-
Effect of soft and hard inclusions in tensile deformation and damage mechanism of Aluminum: A molecular dynamics study J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-20 Ashutosh Rajput; Surajit Kumar Paul
-
The role of chemical composition in the synthesis of Ca/K-1144 iron based superconductors J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-17 Andrea Masi; Achille Angrisani Armenio; Giuseppe Celentano; Aurelio La Barbera; Alessandro Rufoloni; Enrico Silva; Angelo Vannozzi; Francesca Varsano
-
Boron nitride and molybdenum disulfide as 2D composite element selectors with flexible threshold switching J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Yanmei Sun; Dianzhong Wen; Fengyun Sun
2D composite nanomaterials of insulating boron nitride (BN) and semiconductor molybdenum disulfide (MoS2)-based flexible threshold switching selectors (Ag/BN+MoS2/Ag based on BM1 and BM2) are fabricated. Both selectors shown excellent bidirectional threshold switching characteristics. The assembled 1S1R unit comprising Ag/BN+MoS2/Ag based on BM1 selector and bipolar rewritable Ag/ZnO/Ag resistive switching
-
K0.5Na0.5NbO3Bi4−xPrxTi3O12 relaxation ferroelectric capacitor with piezoelectric unit inserted into Bi4Ti3O12 matrix J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Xiaoli Gou; Yulong Bai; Shifeng Zhao
A layered perovskite structure K0.5Na0.5NbO3Bi4−xPrxTi3O12 lead-free relaxation ferroelectric capacitor was fabricated by inserting piezoelectric K0.5Na0.5NbO3 unit into Bi4Ti3O12 matrix. Pr element doping induced lattice distortion assists the matching between inserting unit and matrix. K0.5Na0.5NbO3Bi2.6Pr1.4TiO12 capacitor has aroused the large energy storage density (Ure) 69.7 J/cm3 and high efficiency
-
NiCo layered double hydroxides derived Ni0.67Co0.33(PO3)2 as stable and efficient electrocatalysts for overall water splitting J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-24 Shuo Geng; Yarong Huang; Akhmat Fauzi; Yongsheng Yu; Yequn Liu; Weiwei Yang
-
The Effect of Activation Pretreatment on the Morphology of Ag Microsphere and the Microwave Absorption Performances of Ag@MWCNTs Hybrids J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Yiru Li; Wen Zheng; Aibo Zhang; Zhiyuan Xie; Moxi Liu
The silver microspheres with controllable morphology and structure were prepared by electroless plating with activated PS microspheres as template, which were used to construct a 3D absorbing hybrids of Ag@MWCNTs. The SEM and EDS results illustrated that a uniform silver shell was coated on the surface of PS microsphere because of the activation, which was conductive to construct an excellent conductive
-
Antiferromagnetism and Griffith's Phase on Cu doping in U(Mn1−xCux)2Ge2 intermetallics J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Buddhadev Kanrar; P.D. Babu; Santu Kaity; G. Ravikumar; N.L. Mishra
The intermetallics of U(Mn1−xCux)2Ge2 (0.0 ≤x≤ 0.2) were synthesised and their magnetic properties and crystal structure were investigated by means of dc magnetization and Neutron Diffraction (ND) measurements. With Cu doping up to x = 0.2, the crystal structure remains the same in tetragonal structure with space group (I4∕mmm). Rietveld refinement of the room temperature ND data suggests that the
-
X-rays Absorption Spectroscopy for Local Structure Determination of Magnetolpumbite Nanoparticles J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Sana Mehmood; M.F. Natiq; M. Anis-ur-Rehman
Magnetolpumbite nanoparticles of Cr-doped strontium hexaferrites (SrFe12-xCrxO19 x= 0.0-1.0) were synthesized by using sol-gel method. X-Ray diffraction (XRD) pattern of the prepared samples showed hexagonal structure, however in some composition hematite phase α-Fe2O3 was also observed. The average crystallite size was found to be in the range of 31-42 nm. By using Williamson-Hall (W-H) Analysis the
-
Controlled Nanostructuring via Aluminum Doping in CuO Nanosheets for Enhanced Thermoelectric Performance J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Neazar Baghdadi; Abdu Saeed; Akhalakur Rahman Ansari; Ahmed H. Hammad; Ahmed Afify; Numan Salah
Copper oxide (CuO) nanosheets (NS) produced by the microwave chemical assisted route were reported to have attractive structural and thermoelectric (TE) properties. They possess the non-agglomeration property and have two-dimensional (2D) ultra-thin NS with a high Seebeck coefficient and relatively elevated electrical conductivity. This study controlled nanostructuring of CuO NS via aluminum (Al) doping
-
Enhanced visualizing charge distribution of 2D/2D MXene/MoS2 heterostructure for excellent microwave absorption performance J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Xiao Li; Caiyue Wen; Liting Yang; Ruixuan Zhang; Yuesheng Li; Renchao Che
-
Surface phase stability of PdAg core-shell nanoalloys in oxidizing atmospheres and its relevance to surface atomic charge J. Alloys Compd. (IF 4.65) Pub Date : 2021-03-01 Weiqi Bian; Fuyi Chen; Zhen Li; Bo Kou; Tao Jin; Longfei Guo; Quan Tang
-
Anisotropic thermal lattice expansion and crystallographic structure of strontium aluminide within Al-10Sr alloy as measured by in-situ neutron diffraction J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-19 Klaus-Dieter Liss; Stefanus Harjo; Takuro Kawasaki; Kazuya Aizawa; Pingguang Xu
-
Determination of ferrimagnetic and superparamagnetic components of magnetization and the effect of particle size on structural, magnetic and hyperfine properties of Mg0.5Zn0.5Fe2O4 nanoparticles J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-18 Subin P John; Jacob Mathew M
The fine-tuning of magnetic parameters and the identification of different magnetic phases are essential for the effective utilization of magnetic nanoparticles. In this work, we aim at controlling the magnetic parameters of Mg0.5Zn0.5Fe2O4 nanoparticles by varying the particle size and to determine magnetic phases using three analytical techniques having different operating time scales: VSM, ESR,
-
High stability of sub-micro-sized silicon/carbon composites using recycling Silicon waste for lithium-ion battery anode J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-23 Chenlu Yu; Xiaohua Tian; Zhichun Xiong; Zhejuan Zhang; Zhuo Sun; Xianqing Piao
-
Olivine LiFePO4 as an additive into LiCoO2 electrodes for LIBs to improve high-voltage performances J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-13 Huishuang Zhang; Xiangnan Li; Wenfeng Liu; Hongyun Yue; Zhenpu Shi; Yanhong Yin; Shuting Yang
The structural stability of LiCoO2 at high voltage is a crucial concern of LiCoO2 electrode. The experiment in this work have proved that mixed LiCoO2 and LiFePO4 electrode can stabilize the layered structure of LiCoO2 and improve their cycle stability significantly. The SEM images show that a protective thin film was gradually formed on the surface of LiCoO2 particles during charging and discharging
-
The effect of transient nucleation behavior on thermal stability of Fe48Co32P14B6 metallic glass J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-20 S.V. Vasiliev; V.I. Parfenii; A.S. Aronin; E.A. Pershina; V.I. Tkatch
The experimental isothermal kinetic curves for Fe48Co32P14B6 glass measured in the temperature range 683–714 K have been analyzed with using the analytical equation derived as a combination of the integral form of Kolmogorov’s equation of mass crystallization kinetics and the Kashchiev’s transient nucleation model. The transient nucleation rates show the trend to the steady-state values with increasing
-
In-situ fabrication of lightweight SiC(Al, rGO) bulk ceramics derived from silicon oxycarbide for aerospace components J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-23 Lingjie Li; Zhonghao Ning; Wenyan Huang; Liang Liao; Yinong Zheng; Kun Zhuang; Siqi Lan; Yinggan Zhang; Rongqian Yao
-
Solid-state fabrication of CNT-threaded Fe1-xS@N-doped carbon composite as high-rate anodes for sodium-ion batteries and hybrid capacitors J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-23 Xing He; Dan Liu; Deyu Qu; Junsheng Li; Haolin Tang; Xiong Zhang; Hanping Chen
-
New Al3Si7 phase with tetragonal silicon structure in quasicrystal-forming near-eutectic Al-Cu-Fe-Si alloys J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Piotr Józef Bardziński
-
Alloy decomposition under pressure: Bi–Sb incommensurate phase as a case study J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Moran Emuna; Shir Ben Shalom; Yaron Greenberg; Eyal Yahel; Aviva Melchior; Guy Makov
The high-pressure phase behavior of the Bi–Sb system was investigated experimentally and modeled thermodynamically to study the effect of the transition to the incommensurate Bi-III type structure, which is adopted by the high-pressure phases Bi-III and Sb-II of the pure elements. The thermodynamic model of the Bi–Sb phase diagram including the effect of pressure in the isomorphous regime was extended
-
Temperature dependence of deformation behavior, microstructure evolution and fracture mechanism of Inconel 625 superalloy J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Xudong Liu; Jiangkun Fan; Peizhe Zhang; Jin Xie; Fulong Chen; Degui Liu; Ruihao Yuan; Bin Tang; Hongchao Kou; Jinshan Li
The temperature effect on deformation behavior, microstructural evolution and fracture mechanism of Inconel 625 superalloy sheet were systematically investigated in a wide temperature range from room temperature (RT) to 950 °C. Tensile temperature was varied in increments of 50 °C after reaching 500 °C. Obvious serrations occurred at the medium temperature range and evolved in the sequence of B→B+C→C
-
Magnetic and structural phase transitions by annealing in tetragonal and cubic Mn3Ga thin films J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Hyun-Woo Bang; Woosuk Yoo; Kyujoon Lee; Young Haeng Lee; Myung-Hwa Jung
Thermal Annealing is a simple and powerful tool to improve the crystallinity in general or promote the functionality for peculiar purposes, ultimately leading to metastable states with lower energy. We report the annealing effect focusing primarily on the structural and magnetic properties of two different Mn3Ga thin films. One is the D022 tetragonal ferrimagnetic phase Mn3Ga, and the other is the
-
Anchoring ternary NiCoMn-S ultrathin nanosheets on porous ZnCo2O4 nanowires to form core-shell composites for high-performance asymmetric supercapacitor J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Hongbo Wang; Wangfeng Cai; Leqiu He; Manlin Zhu; Yan Wang
Successful synthesis of novel multi-component metal composites with a unique structure can effectively promote the electrochemical performance improvement of supercapacitors. Herein, three-dimensional (3D) ZnCo2O4@NiCoMn-S(denoted as ZnCo2O4@NxCyMzS-X, x, y and z refer to the element content ratio, X refers to the number of cycles) arrays growing on nickel foam (NF) were synthesized with facile hydrothermal
-
Preparation of Core-shell Structured Fe3O4@Sn-MOF Composite and Photocatalytic Performance J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-27 Lin Yue; Yunmeng Cao; Yonghui Han; Zaixing Li; Xiao Luo; Yanfang Liu
-
On the deactivation mechanisms of MnO2 electrocatalyst during operation in rechargeable zinc-air batteries studied via density functional theory J. Alloys Compd. (IF 4.65) Pub Date : 2021-02-23 Meena Rittiruam; Siriwimol Somdee; Puwit Buapin; Nuttanon Aumnongpho; Nuttapat Kerdprasit; Tinnakorn Saelee; Soorathep Kheawhom; Nutchapon Chotigkrai; Supareak Praserthdam; Piyasan Praserthdam
Due to its abundance and ecological friendliness, alpha-manganese dioxide (α-MnO2) is recognized as a cost-effective bifunctional electrocatalyst for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). The α-MnO2 is widely used in rechargeable zinc-air batteries (ZABs). However, its performance gradually deteriorates upon charge-discharge cycling. Thus, its deactivation mechanisms
Contents have been reproduced by permission of the publishers.