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Effects of Eu2O3 doping on microstructural and electronic properties of ZnO-Bi2O3-based varistor ceramics prepared by high-energy ball millingDONG Yu-juan(董玉娟)1, 2, 3, 4, CUI Feng-dan(崔凤单)2, JIAO Lei... and microstructure of the varistor ceramics. A DC parameter instrument was applied to investigate the electronic properties and V–I characteristics. The XRD analysis of Eu2O3-doped ZnO-Bi2O3-based varistor......
Effect of cyclic heat treatment on microstructure and mechanical properties of 50CrV4 steelLI Hong-ying(李红英)1, HAN Mao-sheng(韩茂盛)1, LI De-wang(李德望)1, LI Jun(李俊)2, XU De-chao(徐德超)2(1. School... surface of the specimen subjected to six heat treatment cycles.Key words:cyclic heat treatment; accelerated spheroidization; mechanical properties......
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Microstructural evolution and mechanical properties of new multi-phase NiAl-based alloy during heat treatments XIE Yi(谢 亿)1, 2, GUO Jian-ting(郭建亭)2, ZHOU Lan-zhang(周兰章)2, CHEN Hong-dong(陈红冬)1... particles, resulting in the improvement of compressive properties and fracture toughness at room temperature. Followed by long-term thermal exposure (1 173 K, 8 500 h), it is found that the residual Cr3Ni2......
Microstructure and mechanical properties of die-cast AZ91D agnesium alloy by Pr additions CUI Xiao-peng(崔晓鹏)1, 2, LIU Hai-feng(刘海峰)3, MENG Jian(孟 健)2, ZHANG De-ping(张德平)2 1. Department... Al6Mn6Pr relatively increases. The mass fraction of Pr at around 0.8% is considered to be suitable to obtain the optimal mechanical properties. The optimal mechanical properties are mainly resulted from......
Fatigue properties of pack ply-rolling Ti-6Al-4V alloy sheets HONG Quan(洪权), YANG Guan-jun(杨冠军), ZHAO Yong-qing(赵永庆), QI Yun-lian(戚运莲), GUO Ping(郭萍) Northwest Institute for Nonferrous... applying the EBSD technique. The tensile properties and fatigue properties of the sheets possessing different type textures were measured. The results show that the alloy sheets possessing single type......
Effect of Sc and Zr on microstructures and mechanical properties of as-cast Al-Mg-Si-Mn alloys DANG Jing-zhi(党惊知), HUANG Yu-feng(黄玉凤), CHENG Jun(程 军) School of Materials Science... is increased to 11.97% with 0.2% Zr. Key words: Al-Mg alloy; Sc; Zr; microstructure; mechanical properties ......
Effect of Gd content on microstructure and mechanical properties of Mg-Y-RE-Zr alloys ZHANG Kui(张 奎), LI Xing-gang(李兴刚), LI Yong-jun(李永军), MA Ming-long(马鸣龙) State Key Laboratory for Fabrication... with different Gd contents were prepared, and the effect of Gd content on microstructure and mechanical properties of the alloys was researched. Based on the experimental investigation, the compounds......
Effects of Sc and Mn on microstructures and mechanical properties of Mg-Gd alloy ZHANG Xiao-juan(张小娟), YI Dan-qing(易丹青), FANG Xi-ya(方西亚), WANG Bin(王斌), XIAO Lai-rong(肖来荣) School of Materials... properties of the two alloys were tested at room and high temperatures. The effects of Sc, Mn on the microstructures of Mg-12.4Gd were investigated by optical microscopy, scanning electron microscopy......
Effect of stoichiometric ratio upon electrochemical properties of AB5-type alloys YU Li-min(于丽敏), JIANG Wen-quan(蒋文全), JIANG Li-jun(蒋利军), FU Zhong-zhen(傅钟臻), ZHANG Wen-guang(张文广) ... electrochemical properties of AB5-type hydrogen storage alloys, a series of alloys Mm0.8La0.2(Ni4.0Mn0.5Al0.3Co0.37Fe0.13)a (a=0.90-1.08) were prepared and the electrochemical properties were tested......
