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Microstructure characterization and mechanical properties of Mg-9Li-5Al-1Zn-0.6RE alloy WU Rui-zhi(巫瑞智), ZHANG Mi-lin(张密林), WANG Tao(王涛) Key Laboratory of Superlight Materials and Surface... diffractometer. Then the effect of homogenization temperature on microstructure and mechanical properties of the alloy was studied. The hardness of samples under different homogenization temperatures......
Microstructure and electrical properties of Lu2O3-doped ZnO-Bi2O3-based varistor ceramics XU Dong(徐 东)1, 2, SHI Xiao-feng(史小锋)1, CHENG Xiao-nong(程晓农)1, YANG Juan(杨 娟)1, FAN Yue-e(樊曰娥)1, YUAN Hong..., and the microstructures of the varistor ceramics samples were characterized by X-ray diffractometry (XRD) and scanning electron microscopy (SEM); at the same time, the electrical properties and V-I......
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on sintering and properties of CaO-Al2O3-SiO2 system glass-ceramics CHENG Jun1,2, CHEN Guo-hua1,2, LIU Xin-yu1,2, XU Hua-rui1,2 (1. Department of Information Materials Science and Engineering... expansion coefficient are 6.7, 0.09% and 3.42×10?6K?1, respectively. Key words: ceria; CaO-Al2O3-SiO2 system glass-ceramics; sintering; properties  ......
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A356铝合金半固态成形前后组织和性能的实验分析邵玉鹏1,杨弋涛1,尹湘林1,张恒华1,邵光杰1(1.上海市上海大学材料科学与工程学院)摘 要:半固态触变成形过程对保证成形后零件良好的组织和性能起着至关重要的作用,通过观测半固态成形前后组织之间的联系可知,压铸过程中的成形状况和压铸前的组织特征均影响压铸后零件的组织和性能,半固态加热和压铸成形这2个阶段存在一定的联系.这些对于半固态成形的质量控制具有一定的指导意义.关键词:A356铝合金; 半固态; 触变成形; 组织特征; 力学性能......