Article
Materials Science, Multidisciplinary
Ming-Wei Wu, Jhewn-Kuang Chen, Po-Min Chang, Kai Ni
Summary: This study utilized in situ mechanical tests and digital image correlation to investigate the fracture behavior and compressive properties of LPBF Ti-6Al-4V cellular solids. The results revealed unique fracture behavior and compressive properties, highlighting the importance of utilizing stress-strain curves and in situ tests to accurately determine the performance and fracture mode of cellular solids.
Article
Materials Science, Multidisciplinary
Wei Sun, Ning Cui, Shuling Zhang, Tiewei Xu, Xiaopeng Wang, Fantao Kong
Summary: A novel Ti6Al4V-Ti43Al9V metal-intermetallic-laminated (MIL) composite with unique microstructure exhibits high strength and fracture toughness.
Article
Materials Science, Multidisciplinary
Qingqing Sun, Haizheng Zhang, Huabing Li, Shuai Wang
Summary: This study compared and characterized dislocation structures in the surface and bulk regions of pure Ni deformed to a low strain level. The results suggest that the development of dislocation cellular pattern in the near-surface region plays a critical role in the Bauschinger effect, helping to clarify the mechanisms and reconfirm the LRIS based mechanism.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Materials Science, Multidisciplinary
Xuan Zhou, Li Fu, Hualong Ge, Yong Mao
Summary: Replacing Nb partially with Ta in Ti2AlNb alloy leads to elevated tensile strengths at high temperatures while maintaining high elongation. The addition of Ta improves tensile properties through solution strengthening.
Article
Materials Science, Multidisciplinary
Jiaen Lin, Biliang Yuan, Chuanqiang Li, Yong Dong, Peng Zhang, Zhengrong Zhang
Summary: Strength-ductility synergy has been achieved in a face-centered cubic Al0.3CoCrFeNiCu high entropy alloy through mechanical processing and precipitation hardening, opening up new possibilities for the development of high-entropy alloys with a combination of strength and ductility in engineering applications.
Article
Materials Science, Multidisciplinary
C. Q. Li, X. Liu, L. J. Dong, B. Q. Shi, S. Tang, Y. Dong, Z. R. Zhang
Summary: Solid solution treatment significantly improves the tensile strength and corrosion resistance of Mg-Li-Al alloy. The enhanced corrosion resistance is mainly attributed to the combined effect of the absence of micro-galvanic couples and the protective surface film.
Article
Materials Science, Multidisciplinary
M. H. Johar, H. Torbati-Sarraf, M. Ahangari, M. Saremi
Summary: The performance of Benzotriazole (BTA) as a stress corrosion cracking (SCC) inhibitor was investigated for Cu-30Zn and Cu-27Ni alloys in Mattsson's solution using electrochemical techniques and slow strain rate test (SSRT). The addition of BTA increased the polarization resistance and formed a protective film on the surface of the Cu-27Ni alloy. BTA also decreased the susceptibility to SCC, with more significant improvement observed in the Cu-27Ni alloy.
Article
Materials Science, Multidisciplinary
Wei Chen, Haitao Wang
Summary: Tailoring the energy state of a Zr-based metallic glass (MG) through constrained compression reveals a strong dependence of MG strain rate sensitivity on energy state. The hardness of as-cast MG increases with strain rate, while no dependence is observed in highly rejuvenated MG. These observations can be well understood through the free volume model.
Article
Materials Science, Multidisciplinary
Yong Dong, Shougang Duan, Xuan Huang, Chuanqiang Li, Zhengrong Zhang
Summary: The Al0.6CoCrFeNi2Mo0.08V0.04 high-entropy alloy exhibited dendritic and inter-dendritic microstructure and showed excellent strength-ductility synergy at both room and cryogenic temperatures. As the temperature decreased, the alloy demonstrated improved yield strength, fracture strength, and elongation, with the maximum yield strength reaching 560 MPa at -196 degrees C and an elongation exceeding 42%. The fracture mechanism mainly involved dimple-type ductile fracture.
Article
Materials Science, Multidisciplinary
T. Riaz, S. R. Das, T. Sahu, P. C. Chakraborti, P. Sahu
Summary: Microstructure analysis of a Fe-25Mn-2Al-0.1C steel under uniaxial tension showed a gradually decreasing three-stage strain hardening behavior. Deformation twinning and dislocations cells were observed near failure strain, with dislocations seeming to play a more dominant role in strain hardening than twinning.
Article
Materials Science, Multidisciplinary
Shiyan Zhu, Chengpeng Zhu, Deng Luo, Xiaoyong Zhang, Kechao Zhou
Summary: A new low-density, high-strength alloy was developed in this study, which exhibited outstanding mechanical properties and low density after hot-rolling and heat treatment. The alloy's microstructure consisted of spherical α(p) phase, acicular α(s) phase, and a small amount of β phase. After heat treatment, the alloy still maintained similar strength and ductility. The high ductility of the alloy was attributed to numerous dislocation slippages and deformation twinning in the α(p) phase, while the acicular α(s) phase provided the alloy with high strength after heat treatment.
Article
Physics, Fluids & Plasmas
Bhanu Prasad Bhowmik, H. G. E. Hentschel, Itamar Procaccia
Summary: Applying tensile stress to an amorphous solid results in slow extension and eventual mechanical collapse. Predictive theories for the time of collapse are incomplete due to its dependence on various parameters. This paper employs scaling concepts to achieve data collapse and provides a universal function to predict the collapse time for both ductile and brittle materials.
Article
Materials Science, Multidisciplinary
T. Liu, X. G. Wang, W. L. Li, Y. Zhang, C. K. Yu, K. Cui
Summary: The article demonstrates the genetic impact of Mg-Zr intermediate alloys using ZK60 extrusion plates. The results show that the homogenous distribution of submicron and nanoscale Zr particles is crucial for the quality of the ZK60 alloy. It reveals the genetic impact of intermediate alloys in the preparation of magnesium alloys.
Article
Materials Science, Multidisciplinary
Shuo Ma, Xiaobin Yang, Liming Fu, Aidang Shan
Summary: A quenching-aging-tempering heat treatment technique is used to produce a nickel aluminum bronze alloy with exceptional mechanical properties, including a yield strength above 800 MPa, an ultimate strength over 1000 MPa, and an elongation over 8.0%. These excellent properties are primarily attributed to the presence of ultrafine tempered lamellar structures and high-density nano k precipitates.
Article
Materials Science, Multidisciplinary
Gang Mou, Lun He, Hongliang Xiang, Wanfu Lin
Summary: Experimental and numerical methods were used to analyze the interface formation and defect elimination mechanism during electromagnetic pulse welding. The inner tube morphology was changed from the original scheme to different stage schemes. The ramp scheme and location scheme were found to be effective in eliminating defects in the central unwelded zone.
Article
Metallurgy & Metallurgical Engineering
Bo Song, Meng Wang, Ruolan Shi, Zhiwen Du, Ning Guo, Fang Wang, Shengfeng Guo
Summary: In this study, a rolled AZ31 bar with c-axis//ND texture was treated by side-rolling and reciprocating torsion. The microstructure and tensile-compressive properties were investigated. The initial rolled bar exhibits yield asymmetry along the rolling direction. Reciprocating torsion can introduce twin boundaries and twin-texture, reducing the yield asymmetry. Pre-side-rolling generates dual texture components and increases the regions favorable for twinning during torsion. Combining side-rolling and reciprocating torsion results in a hybrid twin structure and remarkably low yield asymmetry.
JOURNAL OF MAGNESIUM AND ALLOYS
(2023)
Article
Materials Science, Multidisciplinary
Peng Zhu, Yao Yu, Cheng Zhang, Qingjun Zhou, Bailing An, Rong Guo, K. C. Chan, Lin Liu
Summary: A V0.5Nb0.5ZrTi refractory high-entropy alloy was successfully fabricated by selective laser melting (SLM) using elemental powders. A crack-free SLMed sample with a nearly single BCC structure was obtained with a VED of 333 J/mm3. Microcracks were generated in the SLMed samples when the VED was lower or higher than 333 J/mm3. Cracks were formed due to incomplete melting of Zr particles and thermal stress induced by the large temperature gradient during the SLM process. The SLMed crack-free sample exhibited superior mechanical properties compared to the as-cast counterpart.
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
(2023)
Article
Chemistry, Physical
Hongju Zhang, Deyu Ding, Meifang Tang, Bo Song, Yubin Niu, Hanwu Dong, Shengfeng Guo, Fusheng Pan
Summary: In this work, the microstructure, corrosion resistance, and discharge properties of the as-extruded Mg-7Li-1Y alloy were studied. The alloy exhibited a bimodal microstructure mainly composed of alpha-Mg and beta-Li phases. Despite poor corrosion resistance, it showed remarkable discharge performance with a discharge voltage of 1.35 V and a high anode utilization rate of 59% at a current density of 10 mA/cm2. The unique morphologies of discharge products and the presence of beta-Li phase contributed to the improved electrochemical activity and discharge performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Hongguo Chen, Yuci Xin, Yong Wu, Junying Jiang, Ding Ding, Lei Xia, Xiaolong Guo, Peng Yu
Summary: The self-supporting Fe25Co25Ni25Mo9P8B8 amorphous ribbon is treated via dealloying or annealing method, and the dealloyed ribbon exhibits low over-potential, small Tafel slope, and excellent stability, which are superior to the raw ribbon and the annealed ribbon. The fast self-reconstruction of active layer in amorphous structure and the protection effect of Mo/P oxide layer induced by dealloying significantly boost the OER activity and stability of the amorphous ribbon.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Junying Jiang, Yong Wu, Hongguo Chen, Zhuqing Wan, Ding Ding, Lei Xia, Xiaolong Guo, Peng Yu
Summary: In this study, an annealing +CV-activation integrated strategy was developed to treat a free-standing NiFeBSiP ribbon as an efficient and stable oxygen-evolving electrode. The strategy induced nanocrystallization and oxidation effects on the surface of the ribbon, significantly improving electron transfer ability, oxidation state, and surface area, thereby enhancing the oxygen evolution reaction (OER) performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Yixiang Liu, Hao Wang, Yinglong Zhao, Xiang Hou, Xiaoli Wang, Huijie Xia, Bo Song, Linjiang Chai, Ning Guo, Shengfeng Guo
Summary: A precipitation hardening steel was twisted at different temperatures and characterized using X-ray diffraction, electron channeling contrast imaging, and electron backscatter diffraction techniques. At room temperature, the samples showed higher deformation resistance but lower ductility, with a gradient distribution of dislocation density. Phase transformation did not occur during torsion. At higher temperatures, the samples exhibited lower yield strength but higher ductility, with a gentle decrease in ductility and deformation resistance with increasing temperature. Martensite transformed to austenite during hot torsion at temperatures above 300°C. Torsion promoted the formation of reversed austenite under heating conditions.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Materials Science, Ceramics
H. Zhou, Z. Ding, Y. A. Chen, Z. Q. Lan, S. F. Guo, F. Spieckermann, V. Zadorozhnyy, J. Tan, F. S. Pan, J. Eckert
Summary: The hydrogen storage properties of amorphous and crystalline Mg85Ni5Y10 alloys were compared, and the melt-spun alloy showed higher storage capacity and faster kinetics than the induction-melted alloy. The reversible storage capacity of the melt-spun alloy was 4.2 wt% H2, while the induction-melted sample had 3.8 wt% at 200 degrees C. Furthermore, the melt-spun alloy could release 4.1 wt% H2 within 30 min at temperatures above 275 degrees C, close to its theoretical hydrogen storage capacity of 4.2 wt%.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2023)
Article
Chemistry, Physical
Q. Wang, D. Ding, B. Z. Tang, P. Yu, K. C. Chanc, L. Xia
Summary: Fe88Zr8-xPrxB4 (x = 2, 4, 6) ribbons with a thickness of -40 μm were fabricated, but only Fe88Zr8-xPrxB4 (x = 2, 4) samples could be quenched into a fully amorphous state. The amorphous ribbons of Fe88Zr8-xPrxB4 (x = 2, 4) exhibited higher Curie temperature (Tc) and maximum magnetic entropy change (-ΔSmpeak) compared to Fe88Zr8B4 amorphous alloy, without significant coercivity and spin-glass-like behaviors. The almost highest value of -ΔSmpeak near 320 K (-4.0 J/(kg x K) under 5 T) for Fe88Zr4Pr4B4 amorphous alloy enables the construction of several amorphous hybrids with specific table-shaped magnetic entropy change profiles, having higher average -ΔSm and effective refrigeration capacity within the working temperature intervals of various domestic magnetic refrigerating appliances.
Article
Chemistry, Physical
Fengchun Chen, Meifang Tang, Junhu Zhou, Hongju Zhang, Chen Su, Shengfeng Guo
Summary: In this work, an (Fe0.8Ni0.2)71Mo5P12C10B2 amorphous alloy wire was successfully prepared, which showed excellent catalytic performance for oxygen evolution reaction (OER) in water splitting. After immersion in HNO3 solution, the wire surface was covered by metallic oxide. The electrochemical results revealed that the wire exhibited a low overpotential and a small Tafel slope, and maintained good stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Cheng Bai, Yong Wu, Yuci Xin, Junfeng Mou, Lei Xia, Ding Ding, Xingqun Zheng, Peng Yu
Summary: By introducing alkali metal ions (Li/Na/K) into CuxS (x = 1 or 2), the oxygen evolution reaction (OER) performance of copper sulfides can be greatly enhanced. The doping of alkali metal ions increases electrical conductivity and optimizes the adsorption energy of oxygenated intermediates, resulting in improved OER performance. NaCu5S3 exhibits the most optimal overpotential of 271 mV @ 20 mA cm(-2), significantly higher than Cu2S, CuS, and most other copper sulfides. Therefore, the doping strategy of alkali metal ions shows important and promising effects on the design of efficient copper sulfide electrocatalysts.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
D. X. Han, G. Wang, Q. Wang, R. Feng, X. D. Ma, K. C. Chan, C. T. Liu
Summary: Shear-banding behavior in metallic glasses, which is associated with yield strength, is influenced by many factors at a micro-scale. In this study, a plastic-strength model was developed considering machine compliance, micro-pillar geometry imperfection, and substrate sink-in. The model was supported by the compressive properties of 18 metallic glasses and provides guidance for elastic limits and shear-banding dynamics at the micro-scale in characterizing deformation behavior of amorphous materials.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
P. J. Wang, Q. Wang, S. H. Zheng, L. Z. Zhu, D. Ding, B. Z. Tang, P. Yu, J. L. Yao, L. Xia
Summary: A small amount of Zr in the Fe88Zr8B4 metallic glass was replaced by Nd to fabricate fully amorphous Fe88Zr8-xNdxB4 (x = 2, 4) ribbons. The effects of Nd substitution on the glass formability, Curie temperature, and magnetic entropy change were investigated. It was found that minor Nd substitution not only improved the glass formability but also enhanced the magnetic entropy change peak.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2023)
Article
Materials Science, Multidisciplinary
Ruolan Shi, Bo Song, Dabiao Xia, Tingting Liu, Qingshan Yang, Ning Guo, Shengfeng Guo
Summary: In this study, initial {10-12} twins were induced in the extruded AZ31 rod through pre-compression along the extrusion direction. The effects of these initial twins on twinning behavior during torsion were thoroughly investigated. The combination of pre-compression and torsion increased the relative proportions of specific twin boundaries. The transformation mechanisms involved basal slip, growth of initial twins, formation of new twin variants, and detwinning. Furthermore, the influence of pre-compression on torsion properties was also discussed.
MATERIALS CHARACTERIZATION
(2023)
Article
Chemistry, Physical
Chengyong Zhong, Xuelian Li, Chunbao Feng, Peng Yu
Summary: Based on first-principles calculations, a completely flat borophene monolayer known as chi(2/9) with ideal Dirac nodal line states around the Fermi level has been discovered for the first time. A tight-binding model utilizing the Slater-Koster approach demonstrates that the unique electronic feature of chi(2/9) primarily originates from the interactions of the first-nearest neighbors' p(z) orbitals of boron. Symmetry analysis reveals that the Dirac nodal line in chi(2/9) is guaranteed by the out-of-plane mirror or C-2 rotational symmetry and negligible p(z) orbital coupling. Chemical bonding analysis uncovers the rare electronic properties of this material, which can be attributed to the multicentered pi bonds.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Engineering, Environmental
Yongyang Zhu, Xubo Li, Xu-Sheng Yang, Pengyun Chen, Gary Chi-Pong Tsui, Zheng-Long Xu, Renheng Tang, Fangming Xiao, Kangcheung Chan
Summary: Researchers have developed a low-cost BCC solid solution alloy with excellent activation performance and high effective hydrogen desorption capacity by using a new compositionally complex doping strategy. The synergistic effect of Nb, Fe, Co, Ni, and Mn elements has been confirmed to improve hydrogen storage performance.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Deyong Zheng, Huihui Jin, Yucong Liao, Pengxia Ji
Summary: In this study, a highly stable and efficient catalyst, fluorine-doped Co3O4 (F-Co3O4), was developed for hydrogen production by water electrolysis. The F-Co3O4 catalyst exhibited a remarkable reduction in overpotential and demonstrated excellent stability for over 100 hours.
Article
Materials Science, Multidisciplinary
Ziwen Lv, Jintao Wang, Fengyi Wang, Jianqiang Wang, Fuquan Li, Hongtao Chen
Summary: Adding Cu6Sn5 nano particles can effectively inhibit the overgrowth of intermetallic compounds at the interfaces of solder joints in electronic devices, providing a solution to this issue. A new growth mechanism of intermetallic compounds at the interfaces was identified.
Article
Materials Science, Multidisciplinary
Jun Wang, Jiawei Chen, Wanru Liao, Fangyang Liu, Min Liu, Liangxing Jiang
Summary: A BiOI/AgI/Ag plasmonic heterostructure photocathode was successfully designed through electrodeposition, ion-exchange, and illumination methods. This photocathode exhibits superior performance in photoelectrochemical water splitting.
Article
Materials Science, Multidisciplinary
Xiaoxiao Liu, Xianxian Zhou, Xiaotao Ma, Qinbo Yuan, Shibin Liu
Summary: In this study, the authors propose a method to accelerate the reaction of polysulfides in lithium-sulfur batteries using a Ni@OC Mott-Schottky heterojunction as a catalyst. The experimental results demonstrate that the charge redistribution at the Ni@OC interface accelerates electron transfer and enhances catalytic activity, leading to improved reaction kinetics and battery performance.
Article
Materials Science, Multidisciplinary
Dayou Ma, Mohammad Rezasefat, Joziel Aparecido da Cruz, Sandro Campos Amico, Marco Giglio, Andrea Manes
Summary: The matrix has a significant effect on the impact resistance of composite materials. Replacing a brittle polymer with a more flexible one can improve impact resistance, but it poses challenges to standard testing methods. This study designs a new fixture for testing the low-velocity impact of soft composites and investigates the effect of the fixture on the mechanical performance.
Article
Materials Science, Multidisciplinary
Lingchang Wang, Qihang Yang, Huzhen Li, Ming Wei, Qian Wang, Zhenzhong Hu, Mengmeng Zhen
Summary: Bronze titanium dioxide (TiO2(B)) is a promising anode material for lithium-ion batteries due to its high specific capacity. However, its practical applications are hindered by poor conductivity and limited electrochemical kinetics. In this study, TiO2(B)-carbon nanosheets heterostructures are synthesized to enhance the cycling performance and rate capability of TiO2(B).
Article
Materials Science, Multidisciplinary
Atul Thakur, Ritesh Verma, Ankush Chauhan, Fayu Wan, Preeti Thakur
Summary: In this study, BaFe12O19 and BaFe12O19: Epoxy (50:50) nanocomposites were synthesized using the co-precipitation method. The structural information and material properties, such as crystallite size and electrical conductivity, were characterized by XRD, FESEM, EDX, and TEM techniques.
Article
Materials Science, Multidisciplinary
Jingyu Wu, Xinyan Ma, Yong Yang
Summary: A well-defined CoS2@NC(CS-500) hierarchical binder-free catalyst cathode is constructed through in-situ grown of ZIF-67 on carbon cloth and high-temperature carbonization. The cathode shows excellent reaction kinetics and electrochemical performance, providing inspiration for developing advanced Li-CO2 battery catalysts.
Article
Materials Science, Multidisciplinary
Svetlana M. Posokhova, Vladimir A. Morozov, Kirill N. Boldyrev, Dina Deyneko, Erzhena T. Pavlova, Bogdan I. Lazoryak
Summary: This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.
Article
Materials Science, Multidisciplinary
Jian Wang, Yeting Tao, Jingsheng Wang, Youtian Tao
Summary: A new electron-transport material iTPyBI-CN is developed through non-catalytic C-N coupling reaction. It exhibits better electroluminescence efficiency in organic light-emitting diodes compared to the commercial material TPBI, due to its twisted geometry and higher energy levels.
Article
Materials Science, Multidisciplinary
Tao Zhu, Feng Huang, Shuo Li, Yang Zhou
Summary: This article combines XRD analysis and microscopic structural observation to investigate the changes in limestone after high-temperature treatment. It finds that 500 degrees C is the critical temperature for crystalline and spatial arrangement changes in limestone, and the thermal conductivity, specific heat capacity, and heat storage coefficient gradually decrease after thermal treatment.
Article
Materials Science, Multidisciplinary
Muhammad Haekal Habibie, Fransiska Sri Herwahyu Krismastuti, Abdi Wira Septama, Faiza Maryani, Vivi Fauzia
Summary: This study focuses on the synthesis of zinc oxide nanostructure from zinc recovered from galvanization ash and highlights its potential as a sustainable source of zinc and as an antibacterial agent.
Article
Materials Science, Multidisciplinary
Jingyi Li, Yixin Xing, Wei Gu, Shousi Lu
Summary: In this study, PC@CaP microparticles were fabricated using biomimetic mineralization. The results showed that under environmental stress, PC@CaP exhibited improved stability and antioxidative activity, indicating its potential use in high-added value fields.
Article
Materials Science, Multidisciplinary
Yan Liu, Shunyou Chen
Summary: In this study, TNTs were used as a drug carrier and modified with ZIF-8 and silk fibroin to obtain a new drug loading platform. The results showed that this drug-loaded platform had a good drug release effect in vitro and could promote cell proliferation and osteogenic differentiation.
Article
Materials Science, Multidisciplinary
Chunhui Zhu, Wentao Wang, Qing Zhen, Xinning Huang, Shixin Li, Shaochang Wang, Xiaoping Ma, Xiaoxia Liu, Yalong Jiao, Kai Sun, Zhuangzhi Li, Huaixin Yang, Jianqi Li
Summary: A type of stacking fault is revealed in e-InSe crystal, which is associated with a small stacking-fault energy and shows exceptional plasticity.
