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Internal oxidation thermodynamics and microstructures of Ag-Y alloy WU Chun-ping(吴春萍)1, YI Dan-qing(易丹青)1, CHEN Jing-chao(陈敬超)2, LI Jian(李 荐)1, LIU Hui-qun(刘会群)1, WANG Bin(王 斌)1, FANG Xi-ya(方西亚...-Y alloy after internal oxidation were investigated by X-ray diffractometry(XRD), energy dispersion spectrometry(EDS) and scanning electron microscopy(SEM). The results show that the internal oxidation......
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 Environments, Institute of Metal Research,Chinese Academy of Sciences, Shenyang 110016, China Received 23 September 2009; accepted 30 January 2010 Abstract: The effect of precipitation on the internal......
for analysis of variation of internal stress within the local micro structure by imitating the actual distribution of grains. The experimental result shows that the mechanical model can effectively...Influence of Mechanical Behavior between the Grains on Stress Fluctuation of Aluminum Alloy Thick PlateLIAO Kai1,2,WU Yunxin3,GONG Hai31. School of Mechanical and Electrical Engineering,Central South......
J. Cent. South Univ. (2017) 24: 1040-1049 DOI: 10.1007/s11771-017-3507-8 Heat treatment and granule medium internal high-pressure forming of AA6061 tube BI Jiang(毕江)1, 2, ZHAO Chang-cai(赵长财)1, BI... internal high-pressure forming and aging treatment, was developed. The AA6061 alloy tube via heat treatment satisfied the forming requirement, and the granule medium internal high pressure forming method......
Rolling route for refining grains of super light Mg-Li alloys containing Sc and Be CHIANG Chih-Te, LEE Shyong, CHU Chun-Lin Department of Mechanical Engineering, National Central University...; Abstract: Pioneering work on Sc or/and Be added Mg-Li alloys with refined grains was initiated. Various rolling-based thermo-mechanical......
that in grains. Fig.4 Surface morphologies of samples after internal oxidation for different time: (a) 12 h; (b) 24 h; (c) 36 h; (d) 48 h; (e) 60 h; (f) 72 h Fig.5 EDS results... after internal oxidation were analyzed by X-ray diffractometry, optical microscopy and scanning electron microscopy, respectively. The results show that the surface color of samples after internal......
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appearances fatigued at around 106 cycles showed internal fractures originating from the flat facets of austenite grains for both alloys. The difference in fatigue strength at 107 cycles between...:The fatigue properties of nickel-base Alloy 718 with fine- and grain-coarse grains were investigated. In the fine-grain alloy, the fatigue strength normalized by the tensile strengtn was 0.51 at 107 cycles......
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