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-Nd alloy; heavy rare-earth; aging characteristics; high temperature tensile; microstructure 1 Introduction The industry, as well as the scientist, focused their attention on the development... and the aluminum alloy 332.0 in mechanical properties at room and high temperatures[2-8]. However, a large amount of heavy rare earth elements are added to magnesium, as a result, the alloy is more......
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Mechanical properties of tungsten heavy alloy and damage behaviors after hypervelocity impactZhe Wu1,Yang Zhang2,Chun-Mei Yang1,Qian-Jun Liu11. College of Mechanical and Electrical Engineering... in the process of hypervelocity penetration. At the same time,the results of TEM observation show that there are highdensity dislocations at the interface between W and Ni–Fe–Co-based alloy inside the 93 W......
;Microstructures of tungsten/steel brazing joint at different bonding temperatures 图2 连接温度1000 ℃时对应的钨基高密度合金层/钨母材界面中粘结相/钨母材结合区成分线扫描 Fig. 2 Element line scanning of tungsten heavy alloy... tungsten to steel in vacuum with tungsten heavy alloy interlayer formed on tungsten surface[J]. Journal of Mechanical Engineering, 2013, 49(4): 58-63. [17] 邹贵生, 吴爱萍, 任家烈, 杨 俊, 李晓宁, 梁陈剑. 含金属间化合物的Al基合金半固态加......
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Ultrafine Grain Tungsten Heavy Alloys with Excellent Performance Prepared by Spark Plasma Sintering张金刚,王为民,季伟,HE Qianglong,WANG Aiyang,TAN Lin,YANG KaiState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Institute of Material Science and Engineering,Wuhan University of Technology摘 要:Ultrafine grain tungsten heavy alloys......
is more than that of the reference material under low abrasive wear loads of 7, 13 and 25 N. However, Ti2Ni/TiNi intermetallic alloy exhibits better wear resistance under heavy abrasive wear load of 49... Abrasive wear property of laser melting/deposited Ti2Ni/TiNi intermetallic alloy GAO Fei(高 飞), WANG Hua-Ming(王华明) Laboratory of Laser Materials Processing and Manufacturing, School of Materials......
ENERGY DISTRIBUTION OF BACKSCATTERED ELECTRONS FROM HEAVY METALS Z.J.Ding1,Z.M.Zhang1,K. Salma1 (1.Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics,University of Science and Technology of China, Hefei 230026, China) Abstract:The full energy distribution of backscattered electrons from the elastic peak down to the true-secondary electron peak for heavy......
Comparison of heavy metal removal efficiencies infour activated sludge processesYANG Jun(杨军), GAO Ding(高定), CHEN Tong-bin(陈同斌), LEI Mei(雷梅), ZHENG Guo-di(郑国砥), ZHOU Xiao-yong(周小勇)(Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences, Beijing 100101, China)Abstract:The removal efficiencies of heavy metals (As, Cr, Cu, Ni......
