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CFD-DEM investigation of fluid and particle motion behaviors in initial stage of spiral separation process at low solids concentration Miner. Process. Extr. Metall. Rev. (IF 5.284) Pub Date : 2022-06-23 Guichuan Ye, Qingxiang Liu, Liqiang Ma, Xianshu Dong
ABSTRACT The evolution law of fluid and solid motion in the initial stage of spiral separation process is critical for mineral particle separation. The current research intends to investigate the fluid and particle motion behaviors in the initial stage of a spiral separation process using a CFD-DEM approach. The results show that the motion behaviors of fluids and particles in the initial stage of
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Rational Design and Fabrication of Optically Transparent Broadband Microwave Absorber with Multilayer Structure Based on Indium Tin Oxide J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Yao Xiong, Fu Chen, Yongzhi Cheng, Hui Luo
A multilayer metamaterial absorber (MMA) with optically transparent and broadband microwave absorption characteristics based on Indium Tin Oxide (ITO) and polymethyl methacrylate (PMMA) was designed and fabricated. The microwave absorption properties can be regulated by the resistance of ITO and the structural parameters of the unit cell. In the frequency range of 2.64-18 GHz, more than 90% microwave
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The evolution of microstructure, micromechanical and magnetic properties of FeCoNiAlSi alloys with peritectic structure processed by high-pressure solidification J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 T. Chang, C.M. Zou, D.D. Zhu, X.H. Wang, Z.J. Wei, H.W. Wang, N. Fang, J.H. Chen
In this work, we examined the microstructure evolution, as well as the micromechanical and magnetic properties of FeCoNiAlSi high-entropy alloys (HEAs) under high pressure solidification (HPS). According to the results, FeCoNiAlSi alloy solidified at 0.1 MPa (atmospheric pressure) contains three kinds of phases: grain boundary (GB)phases, peritectic phases, and primary phases. As the solidification
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Synthesis of calcium ferrite for energy storage applications J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 H. Coutinho Gomes, S. Soreto Teixeira, M.P.F. Graça
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Enhanced supercapacitor performance of ultrathin NiCoMn(OH) nanosheets over NiCo2O4 nanoarray on Ni foam J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Ming-Xin Wang, Hong-Yan Zeng, Kai Zhang, Yi-Wen Long, Sheng Xu, Wei Yan
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An analysis of point defects in ZnTe using density functional theory calculations J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Adib J. Samin, James C. Petrosky
Zinc Telluride, a wide bandgap semiconductor, is a promising candidate material for a number of optoelectronic applications. It is important to accurately characterize the effects of point defects on this material and how they may impact its performance. In this work, GGA+U density functional theory calculations were employed to study point defects in ZnTe. Vacancies, interstitials, and anti-site defects
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Antibacterial effect of surface-modified Zr50Cu50 metallic glass J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Ka Ram Lim, Sang Tae Woo, Min Young Na, Jee Hyuk Ahn, Young Sang Na, Heon Jun Kwon, Woo Chul Kim, Young Kyun Kim, Eun-Ae Choi, Seung Zeon Han
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Hot deformation behavior and microstructure evolution of Mg-Gd-Y(-Sm)-Zr alloys J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Hao Pang, Quanan Li, Xiaoya Chen, Peijun Chen, Xiangyu Li, Jinfeng Tan
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Design of N-doped carbon materials using self-template strategy for high-performance supercapacitor electrodes and CO2 capture J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Shasha Wang, Junfeng Miao, Bin Ren, Yuelong Xu, Zhaoshun Tian, Lihui Zhang, Zhenfa Liu
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Phase formation behavior and electronic transport properties of HfSe2-HfTe2 solid solution system J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Joonho Bang, Hyun-Sik Kim, Dong Ho Kim, Se Woong Lee, Okmin Park, Sang-il Kim
Transition metal dichalcogenides have gained renewed attention as promising thermoelectric materials primarily because of their unique structures and superior electronic properties. In this study, we investigate the electrical transport properties of a series of Hf(Se,Te)2 samples (Hf(SexTe1-x)2, x = 0, 0.025, 0.25, 0.375, 0.5, and 1). All the samples together form a single phase of a complete solid
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Self-Supported Hollow-Co3O4@CNT: A Versatile Anode and Cathode Host Material for High-Performance Lithium-Ion and Lithium-Sulfur Batteries J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Jiafeng Wu, Yang Chen, Jianmin Chen, Yajing Wang, Ting Fan, Yingwei Li
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Unusual deformation-induced martensitic transformation in Fe-Co-Ni-Cr-Mn high entropy alloy thin films J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Nan Wang, Qingping Cao, Xiaodong Wang, Shaoqing Ding, Dongxian Zhang, Jian-Zhong Jiang
Deformation-induced martensitic transformation in Fe-Co-Ni-Cr-Mn high entropy alloy (HEA) thin film with nanocolumnar growth feature are revealed to readily occur at intermediate deposition power rather than low and high deposition power ranges. The high probability of deformation-induced martensitic transformation from face-centered cubic (FCC) to hexagonal close-packed (HCP) phase in 150 W-film results
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Microwave-assisted synthesis of 2D Zr-MOF nanosheets supported gold nanocomposites as efficient catalysts for the reduction of 4-nitrophenol J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-24 Xiangyue Liu, Ye Li, Yijun Liu, Sijun Li, Li Feng, Jinliang Zhuang, Jing Tang
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Spectral characterization and laser operation of Ho:SrF2 single-crystal fiber J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Jingjing Liu, Cheng Zhang, Yangxiao Wang, Zhen Zhang, Zhonghan Zhang, Anhua Wu, Jie Liu, Liangbi Su
An efficient Ho:SrF2 single-crystal fiber (SCF), lightly Ho-doped to a concentration of 0.5 at.%, was successfully grown using the temperature gradient technique, and its laser characteristics were studied. Several optical parameters of the Ho:SrF2 SCF were determined using the Judd-Ofelt (J-O) theory, including the J-O intensity parameters, radiative lifetimes, and fluorescence branching ratios. In
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Electrocatalytic hydrogenation of nitrogenous heterocyclics using Co-based nanoparticles-embedded N-doped carbon derived from ZIF-67 J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Yu Liu, Shuai Yang, Xinyu You, Linlin Qin, Yiming Qin, Wenwen Zhang, Wenyan Liang
Electrocatalytic hydrogenation (ECH) has been used as a novel approach for the synthesis of organic compounds. Hence, ZIF-67 was selected as a precursor in this study to synthesize a series of electrodes. The ECH effects were assessed on pyridine and diazines. The results showed a significant influence of carbonization temperature and time on the electrocatalyst activity. A temperature of 400 oC was
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Phase constituent and microstructure manipulations via annealing for enhancements of mechanical property and functionalities of Ti–Au–Cr–Ta biomedical shape memory alloys J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Wan–Ting Chiu, Kota Fuchiwaki, Akira Umise, Masaki Tahara, Tomonari Inamura, Hideki Hosoda
Shape memory alloys (SMAs) are considered as one of the most important smart materials for the future biomedical applications in consideration of the rapid world population aging. The promising Ti–Au–Cr–Ta alloys, which are good in biocompatibility, excellent in X–ray contrast, and high in corrosion resistance, were synthesized and evaluated in this study for realizing new biomedical materials. The
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Methyl-functionalized hydrangea-like Vanadium Pentoxide Cathode for Aqueous Zinc Ion Batteries with High-Rate and Long-Term Cycling Stability J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Jingrui Zhang, Siyuan Liu, Huanhuan Liu, Sainan Zhou, Ruidong Ding, Shuxian Wei, Zhaojie Wang, Xiaoqing Lu
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Effect of heat treatment on the microstructure and mechanical properties of an Al-5Mg2Si-2Mg alloy processed by laser powder bed fusion J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Jianying Wang, Feipeng Yang, Hailin Yang, Lijun Zhang, Yingying Zhang, Zhilin Liu, Shouxun Ji
The response of heat-treatment of an Al-5Mg2Si-2Mg alloy fabricated by laser assisted powder bed fusion (LPBF) was investigated for microstructural evolution and mechanical properties. The results showed that the as-LPBFed Al-5Mg2Si-2Mg alloy was featured by the refined compact Al-cells and the divorced Mg2Si eutectic network. After solution at 490 ºC for 1 h, the Mg2Si eutectics were broken to form
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Tunable shell thickness of Fe-N@SiO2 nanoparticles for strong and stable microwave absorption properties with enhanced oxidation resistance J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Sheng Ouyang, Honghong Fu, Yu Xie, Wen He, Yun Ling
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Enhanced electrical transport properties of PbTe single crystal through Ga substitution synthesized by a Pb-flux method J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Zhong Chen, Mingxiang Xu, Shukang Deng
As a promising thermoelectric material at the medium temperature range, PbTe has attracted much attention during the past several decades. In this study, Ga-doped PbTe single crystals were synthesized by a facile Pb-flux method. The electronic structure calculations reveal that Ga substitution can introduce impurity level in the bandgap, which can effectively modulate the carrier concentration and
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Enhanced thermoelectric performance of polycrystalline InSb1-xBix by using isoelectronic substitution on the Sb site J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Vinothkumar Lourdhusamy, Jeng-Lung Chen, Immanuel Paulraj, Liang-Ching Hsu, Yan-Yun Li, Tzyy-Schiuan Yang, K. Veera Prabu, Chia-Jyi Liu
InSb has superior electronic transport with low bandgap and high mobility of charge carriers, however, its high lattice thermal conductivity makes it less applicable for thermoelectric applications. Herein we report an effective approach to simultaneously enhance the power factor and reduce total thermal conductivity by isoelectronic doping of Bi for Sb. A series of polycrystalline InSb1-x Bix is prepared
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High Performance Resistive Memory Device Based on Highly Stable layered CsPb2Br5 Perovskite Polymer Nanocomposite J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Huabei Li, Xiaolin Wang, Hongying Chu, Xinding Yao
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Bi2Se0.5Te2.5/S, N-doped reduced graphene oxide as anode materials for high-performance Lithium ion batteries J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-23 Lifen Li, Jiachang Zhao, Hongbin Zhao, Jianfeng Mao
High energy density, power density and long cycle life are the ultimate goals of lithium ion batteries (LIBs) to meet the need of energy storage. However, it is still a challenge to achieve them at the same time. In this work, Bi2Se0.5Te2.5/S, N-doped reduced graphene oxide (rGO) nanosheets composite has been synthesized by solvothermal method and investigated as anode materials for LIBs. The nanosheets
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Carbon nanoarchitectonics with 3D self-crumpled carbon structures induced by GO-assisted carbonization for enhanced oxygen evolution performance J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 YongZhi Wang, Yaoyao Xue, Qiang Lei, Jiawei Yang, Yuhua Xue, Shuling Shen, Zhihong Tang, Junhe Yang
In this paper, a three-dimensional (3D) self-crumpled carbon nanoarchitectonics has been synthesized by GO-assisted carbonization, where GO not only serves as a template but also as a catalyst for carbonization of glucose (GLC). It is revealed that dehydration condensation reaction between -OH of GLC and -COOH of GO induces the anchoring of GLC on the surface of GO under high temperature and acidic
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Enhanced electrocatalytic performance of uniformly spherical Ni-MOF decorated with NiMoO4 nanorods for oxygen evolution reaction J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-20 Qiulin Li, Ke Zhang, Xiang Li, Jiaqi He, Yongbing Lou, Jinxi Chen
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Facile synthesis of self-support vanadium-doped Ni2P nanosheet arrays for highly efficient overall water splitting J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-20 Xiuling Zhang, Tingting Guo, Xiangyu Cao, Chengxiang Ma, Juanzhi Yan, Renlong Liu
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Contrasting magnetic properties of polymorphic TbPt3 J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-20 Sudipta Mondal, Binita Mondal, Shovan Dan, Durga Paudyal, R. Ranganathan, Chandan Mazumdar
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High-performance carbon-coated hollow nanocube ZnSe as cathode material for aluminum batteries J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Xiaohu Yang, Mingjun Chen, Luning Chai, Chen Zhang, Wenming Zhang, Zhanyu Li
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Defect Character Distribution Regulation of Alloy Foil Anode for High Volumetric Energy Density Lithium Ion Battery Acta Mater. (IF 8.203) Pub Date : 2022-06-23 Xin Zhang, Yangjie Gong, Chunyi Xu, Fuxing Yin, Gongkai Wang
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Electronic structure, magnetic properties and magnetocaloric performance in rare earths (RE) based RE2BaZnO5 (RE = Gd, Dy, Ho, and Er) compounds Acta Mater. (IF 8.203) Pub Date : 2022-06-23 Peng Xu, Liang Hu, Zhenqian Zhang, Haifeng Wang, Lingwei Li
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Flexible polarization configuration in high-entropy piezoelectrics with high performance Acta Mater. (IF 8.203) Pub Date : 2022-06-23 Ye Liu, Jiyuan Yang, Shiqing Deng, Yueyun Zhang, Yongcheng Zhang, Shengdong Sun, Lu Wang, Xiaodong Jiang, Chuanrui Huo, Hui Liu, He Qi, Shi Liu, Jun Chen
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The Overlooked Mechanism of Chalcopyrite Passivation Acta Mater. (IF 8.203) Pub Date : 2022-06-22 Zihe Ren, Chihwei Chao, Prashanth Krishnamoorthy, Edouard Asselin, David G. Dixon, Nelson Mora
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Effect of spacer length between two weak NH hydrogen atoms of secondary diamido reagents on anionic platinum extraction Hydrometallurgy (IF 4.156) Pub Date : 2022-06-22 Keisuke Ohto, Taisuke Sato, Gehui Pang, Tatsuya Umecky, Shintaro Morisada, Hidetaka Kawakita
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Superhydrophobic photothermal coatings based on candle soot for prevention of biofilm formation J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-22 Yuancheng Lin, Haixin Zhang, Yi Zou, Kunyan Lu, Luohuizi Li, Yan Wu, Jingjing Cheng, Yanxia Zhang, Hong Chen, Qian Yu
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Mechanistic investigation on Ce addition in tuning recrystallization behavior and mechanical property of Mg alloy J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-22 J.R. Li, D.S. Xie, Z.R. Zeng, B. Song, H.B. Xie, R.S. Pei, H.C. Pan, Y.P. Ren, G.W. Qin
Constructing bimodal grain structure is a promising approach to achieve the high strength-ductility synergy in Mg alloy. Formation of bimodal grain is closely related to the dynamic and/or static recrystallization process, which has not been fully understood in the typical Mg-RE based alloy. In this work, it is claimed for the first time that the minor Ce addition (∼0.3 wt%) into Mg matrix significantly
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In-situ investigation on the microstructure evolution of Mg-2Gd alloys during the V-bending tests J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-18 Chao He, Jianxin Zhou, Yan Yang, Bin Jiang, Ming Yuan, Zhihua Dong, Yanfu Chai, Weijun He, Guangsheng Huang, Dingfei Zhang, Fusheng Pan
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A superior strength-ductility synergy of Al0.1CrFeCoNi high-entropy alloy with fully recrystallized ultrafine grains and annealing twins J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-17 Jiahao Li, Kejie Lu, Xiaojun Zhao, Xinkai Ma, Fuguo Li, Hongbo Pan, Jieming Chen
Grain refinement usually makes the materials stronger, while ductility has a dramatic loss. Here, a superior tensile strength–ductility synergy in a fully recrystallized ultrafine-grained (UFG) Al0.1CrFeCoNi with abundant annealing twins was achieved by cold rolling at room temperature and short-time annealing. The microstructure characterization using electron backscattered scattering diffraction
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Compositional dependence of thermophysical properties in binary alkaline earth borate melts: Insights from structure in short-range and intermediate-range order J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-18 Jian Yang, Il Sohn
In this work, the thermal conductivity of alkaline earth borate melts was measured using hot-wire method from 1323 to 1623 K, and the thermal diffusivity was extrapolated from the thermal conductivity and heat capacity. The compositional dependence of thermophysical properties was interpreted according to the structure in short-range and intermediate-range order. Based on the Raman spectroscopy, X-ray
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Transport property of topological crystalline insulator SnTe (100) and ferrimagnetic insulator heterostructures J. Mater. Sci. Technol. (IF 8.067) Pub Date : 2022-06-17 Anqi Zhang, Daheng Liu, Teng Yang, Song Ma, Zhidong Zhang
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Absorption-dominated electromagnetic shielding and excellent thermal conduction properties of poly(vinylidene fluoride)/SnBi58/Co-C composites with layered structure J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Hui Wang, Huiqin Bi, Dandan Liang, Xu Gui, Xin Ding, Xian Zhang, Jiangang Gao, Zhenfa Zi
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In–situ synthesis of an Al–based composite reinforced with nanometric γ–Al2O3 and submicron AlB2 particles J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Tong Gao, Lingyu Liu, Guiliang Liu, Sida Liu, Chunxiao Li, Mengyu Li, Kai Zhao, Mengxia Han, Yuying Wu, Xiangfa Liu
In this study, an Al–based composite reinforced with nanometric γ–Al2O3 and submicron AlB2 particles was fabricated via chemical reactions between Al and boron oxide, followed by hot extrusion. The volume fraction of in–situ formed γ–Al2O3 and AlB2 is 11.2 vol.% and 6.3 vol.%, respectively. The average size of γ–Al2O3 and AlB2 is around 50 nm and 500 nm, respectively, and the α–Al grain is 1.26 μm
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Inner Relaxations in Equiatomic Single-phase High-entropy Cantor Alloy J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Alevtina Smekhova, Alexei Kuzmin, Konrad Siemensmeyer, Radu Abrudan, Uwe Reinholz, Ana Guilherme Buzanich, Mike Schneider, Guillaume Laplanche, Kirill V. Yusenko
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Microstructure and Mechanical Properties of Crack - free Ni - based GH3536 Superalloy fabricated by Laser Solid Forming J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Lairong Xiao, Zhenwu Peng, Xiaojun Zhao, Xiaoxuan, Zhenyang Cai Tu, Qi zhong, Sen Wang, Huali Yu
Laser solid forming (LSF) was used to fabricate dense and crack-free specimens from solution-strengthened nickel-based superalloy GH3536 in this study. Tensile, and fatigue crack growth (FCG) testing was carried out in both horizontal and vertical build orientations with the condition at 25℃ and 500℃. Three regions can be detected in the specimen: the additive manufacturing zone (AM), the heat affected
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Enhanced photoreduction activity of CO2 to CO over Ag-loaded mesoporous g-C3N4 (MCN) by promoting charge separation and CO2 adsorption J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Qianqian Heng, Binfen Wang, Xiuyuan Fan, Wei Chen, Xiying Li, Liqun Mao, Wenfeng Shangguan
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The influence of ultra-rapid annealing on nanocrystallization and magnetic properties ofFe76-xNi10B14Cux alloys J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 A. Kolano-Burian, M. Kowalczyk, A. Grabias, A. Radoń, P. Błyskun, T. Warski, M. Karpiński, L. Hawelek, T. Kulik
Soft magnetic materials with a nanocrystalline structure are significant from an application and scientific point of view. This article presents the possibility of obtaining nanocrystalline Fe76-xNi10B14Cux alloy with magnetic properties modified by ultra-rapid annealing (URA). The work is focused on thermodynamic calculations to determine the alloy's optimal copper content and achieving soft magnetic
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Cubic InxGa1−xN/GaN quantum wells grown by Migration Enhanced Epitaxy (MEE) and conventional Molecular Beam Epitaxy (MBE) J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 M. Camacho-Reynoso, C.A. Hernández-Gutiérrez, C.M. Yee-Rendón, C. Rivera-Rodríguez, D. Bahena-Uribe, S. Gallardo-Hernández, Yuriy Kudriavtsev, M. López-López, Y.L. Casallas-Moreno
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Microstructure, mechanical properties and corrosion resistance of high-level hard Nb-Ta-W and Nb-Ta-W-Hf multi-principal element alloy thin films J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Yiyong Zhang, Zhibin Zhang, Wen Yao, Xiubing Liang
In the present work, a series of Nb-Ta-W and Nb-Ta-W-Hf refractory multi-principal element alloy thin films were fabricated by multi-target direct current magnetron co-sputtering. The ternary Nb-Ta-W thin films displayed a single BCC solid solution structure with the flake-like surface morphologies and a double-layer structure for cross sections with a columnar upper layer and an amorphous layer near
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Investigation of PCBM/ZnO and C60/BCP-based electron transport layer for high-performance p-i-n perovskite solar cells J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Hyun-Jung Lee, Seok-In Na
The objective of this study was to comprehensively investigate and compare PCBM/ZnO and C60/BCP-based electron transport layers (ETLs) (well recognized as representative ETLs) between perovskite and metal electrode in perovskite solar cells (PeSCs) for high-performance p-i-n structure PeSCs. Their film characteristics and their effects on solar cell performances were studied. When PCBM/ZnO was used
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Microstructure and properties of TiCx/TC4 Composites with a Quasi-Network Structure Prepared by the Decomposition of the Ti2AlC Precursor J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Hongjie Wang, Zhenying Huang, Xue Li, Yang Zhou, Qun Yu, Wenqiang Hu, Yuanbo Wang, Weici Zhuang, Davoud Dastan
In the present study, a novel titanium matrix composite with a quasi-network structure was successfully fabricated via the hot-press sintering of the TC4 powder and Ti2AlC precursor at 1200 ℃ and 25 MPa. To explore the effect of the Ti2AlC content on the microstructure and properties of the prepared composites, 1–8 vol% Ti2AlC was selected as the representative samples. Microstructural analysis showed
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Cu adding effect upon the cellular structure and magnetic properties for the (Mn55Al45-xCux)100C2 permanent magnetic alloy J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 H.L. Fang, J. Liu, P.W. Huang, M.Y. Li
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Enhanced elastocaloric effect and specific adiabatic temperature variation in Ni-Mn-In-Si-Cu shape memory alloys J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Zhenzhuang Li, Zongbin Li, Yunzhuo Lu, Xing Lu, Liang Zuo
In this work, we demonstrate a giant elastocaloric effect in a Ni50Mn33In14Si1Cu2 alloy. Owing to the large transformation entropy change and low thermal hysteresis, giant adiabatic temperature change (ΔTad) of -18.2 K is obtained on unloading from a maximum compressive strain of 6% with a low stress of 145 MPa. Moreover, large specific adiabatic temperature variation (ΔTad/σmax) up to 126 K/GPa has
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Pt–Ru bimetallic nanoparticles anchored on carbon nanotubes/polyaniline composites with coral-like structure for enhanced methanol oxidation J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Xiaoling Zhang, Ruiwen Yan, Wenchang Zhou, Sijie Zhou
In order to surmount the poor stability and low utilization efficiency of Pt catalysts, the Pt-Ru bimetallic nanoparticles/polyaniline/multi-walled carbon nanotube composites (PRPM) were fabricated. Structural characterization data by transmission electron microscope, scanning electron microscope, spherical aberration corrected transmission electron microscope, X-ray photoelectron spectroscopy analysis
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Influence of Graphene Wrapped-Cerium Oxide Coating on Spherical LiNi0.5Mn1.5O4 Particles as Cathode in High-Voltage Lithium-Ion Batteries J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Zawar Alam Qureshi, Hanan Abdurehman Tariq, Hiba Mohammad Hafiz, Rana Abdul Shakoor, Siham AlQaradawi, Ramazan Kahraman
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Magnetocaloric performance optimized by simple compression in directionally solidified Ni50Mn18Cu7Ga25 alloy J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Naifu Zou, Dong Li, Jiajing Yang, Honglin Wang, Li Zhang, Zongbin Li, Baolin Wu, Liang Zuo
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Laser powder bed fusion of MoSiBTiC alloy powders produced by freeze-dry pulsated orifice ejection method J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Zhenxing Zhou, Suxia Guo, Shunpei Kato, Weiwei Zhou, Naoyuki Nomura
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Facile fabrication of free-standing nanoporous CuAg structures for high-performance non-enzymatic glucose sensing by dealloying glassy precursors J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Han-Yu Li, An-Kang Lu, Shu-Shen Wang
We report free-standing bimetallic nanoporous CuAg (NPCuAg) structures prepared via a facile one-step electrochemical dealloying proccess. The Ag/Cu ratio and the thickness of the NPCuAg structures could be tuned by the composition of the corresponding metallic glass (MG) precursors and dealloying time. All dealloyed samples exhibited a uniform three-dimensional bi-continuous nanoporous structure and
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Bulk-like First-Order Magnetoelastic Transition in FeRh particles J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Anis Biswas, Shalabh Gupta, Dustin Clifford, Yaroslav Mudryk, Ravi Hadimani, Radhika Barua, Vitalij K. Pecharsky
Near-equiatomic, ordered iron-rhodium (FeRh) alloy is a fundamentally interesting material that may become useful in niche applications making use of its unique magneto-functional phenomena, for example, the giant inverse magnetocaloric effect near room temperature associated with sharp first-order magnetic phase transition. The nearly discontinuous antiferromagnetic-ferromagnetic phase transformation
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Homogenizing the composition of in-situ fabricated Ti2AlNb-based alloy via manipulating the droplet transfer mode of twin-wire arc additive manufacturing J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Zeyang Yu, Zixiang Li, Yueling Guo, Rui Fu, Tianqiu Xu, Changmeng Liu
The twin-wire arc additive manufacturing (TWAAM) technology is an effective method for the in-situ fabrication of Ti2AlNb-based alloys relative to conventional cast and wrought routes. However, composition segregation is still challenging in the field of in-situ TWAAM. To homogenize the chemical composition, here we proposed a novel single droplet pre-alloying transfer mode of TWAAM based on the original
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Design of hierarchical porous carbon nanofibrous membrane for better electrochemical performance in solid-state flexible supercapacitors J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Xunlong Zhang, Liujun Cao, Yi Liao, Zhikun Qin, Zihao Yang, Ruiling Sun, Weibin Zhang, Han Li, Guilong Yan
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A novel hierarchical core-shell structure of NiCo2O4@NiCo-LDH nanoarrays for higher-performance flexible all-solid-state supercapacitor electrode materials J. Alloys Compd. (IF 5.316) Pub Date : 2022-06-22 Shengjuan Li, Yi Luo, Cong Wang, Mingxia Wu, Yuhua Xue, Junhe Yang, Lei Li