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warm compaction parameters for producing high density powder metallurgy copper material are obtained. Compacts with green density of 8.6g/cm3 and a sintered density of 8.83g/cm3 can be produced.... A powder metallurgy copper material with a green density of 8.57g/cm3 (a relative density of 96%) and a sintered density of 8.83g/cm3 (a relative density of 98.6%) can be obtained by warm compacting......
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it mainly refers to abradant and oxidation wear. 关键词:brake material; friction wear; brake speed; powder metallurgy; [全文内容正在添加中] ...Friction Wear Property of Brake Materials by Copper-based Powder Metallurgy With Various Brake Speeds LIU Jian-xiu1,GAO Hong-xia1,WEI Xiu-lan1 (1.Zhengzhou University of Light Industry, Mechanical......
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Preparation of AZ91 alloy by powder metallurgy method JIANG Hai(姜 海)1, HE Xin-bo(何新波)1, QU Xuan-hui(曲选辉)1,2, I. S. HUMAIL2 , WANG Xi-tao(王西涛)2 1. School of Materials Science and Engineering... Received 28 July 2006; accepted 15 September 2006 Abstract: Magnesium alloy AZ91 was prepared by powder metallurgy method, and the effect of sintering temperature on the densities and microstructures......
J. Cent. South Univ. (2012) 19: 1773-1779 DOI: 10.1007/s11771-012-1206-z Effect of inclusion on high cycle fatigue response of a powder metallurgy tool steel YAO Jun(姚君)1,2, QU Xuan-hui(曲选辉)1,2, Rafi... fatigue response of a high V-alloyed powder metallurgy tool steel (AISI 11) with different inclusion sizes was studied. Two materials of this grade at a similar hardness of about HRC 60 were subjected......
Properties and forming process of prealloyed powder metallurgy Ti-6Al-4V alloy WANG Liang(王 亮)1, LANG Ze-bao(郎泽保)1, SHI Hong-pei(史鸿培)1 Aerospace Research Institute of Material and Processing Technology, Beijing 100076, China Received 15 July 2007; accepted 10 September 2007 Abstract: The properties and forming process of prealloyed powder metallurgy (PM) Ti-6Al-4V alloy were......
Effects of lubricant’s friction coefficient on warm compaction powder metallurgy LI Yuan-yuan(李元元), NGAI Tungwai Leo(倪东惠), WANG Shang-lin(王尚林), ZHU Min(朱 敏), CHEN Wei-ping(陈维平) (College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China) Abstract: The correct use of lubricant is the key of warm compaction powder metallurgy. Different lubricants......
of powder metallurgy NiFe18.5Al25 alloy CUI Jian-min1, LU Jing2, YUAN Yong1, CHEN Chun-hui2, LUO Feng-hua1, 2 (1. Laiwu Iron & Steel Group Powder Metallurgy Co. Ltd., Laiwu 271105, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: Ni-Fe-Al alloys were made by powder metallurgy from mixing the elementary powder Ni, Fe and Al......
