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Experimental investigation of friction coefficient in tube hydroforming Hyae Kyung YI 1, Hong Sup YIM 1, Gun Yeop LEE 1, Sung Mun LEE 1, Gi Suk CHUNG 2, Young-Hoon MOON 1 1. Engineering Research... Received 21 April 2010; accepted 10 September 2010 Abstract: The friction coefficient between tube and die in guide zone of tube hydroforming was obtained. In hydroforming, the tube is expanded......
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Effect of precipitation on internal friction of AZ91 magnesium alloy LIU Shu-wei(刘树伟), JIANG Hai-chang(姜海昌), LI Xiu-yan(李秀艳), RONG Li-jian(戎利建) Department of Materials for Special... friction (IF) of AZ91 magnesium alloy was investigated by using X-ray diffraction (XRD) analysis, scanning electron microscope (SEM) observation, and dynamic mechanical analysis (DMA). Six different......
J. Cent. South Univ. (2017) 24: 303-310 DOI: 10.1007/s11171-017-3431-6 Friction properties of groove texture on Cr12MoV surface WANG Jing(王敬)1, 2, ZHOU Jie(周杰)1, ZHU Shan-shan(朱姗姗)1, ZHANG Jian... 400052, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: To analyze the influence of surface texture on friction properties of Cr12MoV’, ordinary grinder......
Repair welding process of friction stir welding groove defect LIU Hui-jie(刘会杰), ZHANG Hui-jie(张会杰) State Key Laboratory of Advanced Welding Production Technology, Harbin Institute...; Abstract: The groove defect formed in the friction stir welding dramatically deteriorates weld appearances and mechanical properties......
Mechanical properties of underwater friction stir welded 2219 aluminum alloy LIU Hui-jie(刘会杰), ZHANG Hui-jie(张会杰), HUANG Yong-xian(黄永宪), YU Lei(于 雷) State Key Laboratory of Advanced Welding...; Abstract: Underwater friction stir welding of 2219 aluminum alloy was carried out in order......
Friction stir welding of 5052 aluminum alloy plates Yong-Jai KWON1, Seong-Beom SHIM2, Dong-Hwan PARK2 1. School of Materials Science and Engineering, University of Ulsan, Ulsan, Korea; 2...; Abstract: Friction stir welding between 5052 aluminum alloy plates with a thickness of 2 mm was performed......
Effects of Rare Earths on Properties and Microstructure of Automotive Friction Materials Bai Jing1,Lu Liguo1,Xu Yue1 (1.School of Materials Science & Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China) Abstract:Rare earth compounds as modifiers used widely in modern friction materials can enhance the interracial binding of constituents of materials......
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Trans. Nonferrous Met. Soc. China 22(2012) s634-s638 Fabrication of SiCp/AA5083 composite via friction stir welding Byung-Wook AHN, Don-Hyun CHOI, Yong-Hwan KIM, Seung-Boo JUNG School of Advanced... and mechanical properties of SiCp/AA5083 composite fabricated by friction stir welding (FSW) were investigated. The influence of the number of FSW passes on the distribution of SiC particles and mechanical......
