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Structure evolution of Cu-based shape memory powder during mechanical alloying XIAO Zhu(肖 柱)1, 2, LI Zhou(李 周)1, 2, FANG Mei(方 梅)1, 2, LUO Ming(罗 明)1, 2, GONG Shen(龚 深)1, 2, TANG Ning(唐 宁)1, 2...; Abstract: The microstructures of shape memory powders of Cu-Al-Ni prepared from pure powders of Cu, Al and Ni using the mechanical alloying(MA) technique were......
medium strength aluminum alloy of high temperatures for their improved creep resistance. The research progress of phase composition, precipitation process and alloying behavior of minor elements in Al-Cu-Mg-Ag alloys was reviewed. Key words: Al-Cu-Mg-Ag alloys; thermal resistance; precipitation process; Ω precipitate; alloying behavior ......
PREPARATION OF MESOPOROUS CARBON BY CARBON DIOXIDE ACTIVATION WITH CATALYST W.Z.Shen1,J.T.Zheng1,A.H.Lu1 (1.Institute of Coal Chemistry, The Chinese Academy of Sciences, Taiyuan 030001, China) Abstract:A mesoporous activated carbon (AC) can be successfully prepared by catalytic activa-tion with carbon dioxide. For iron oxide as catalyst, there were two regions of mesoporesize distribution......
Mg alloy surface alloying layer fabricated through evaporative pattern casting technology CHEN Dong-feng(陈东风), DONG Xuan-pu(董选普), ZHANG Xiong(张 雄), FAN Zi-tian(樊自田) State Key Laboratory... factors of surface alloying layer by evaporative pattern casting technology were investigated. A certain thickness alloying layer was formed on the surface of Mg-alloy matrix when the pouring temperature......
J. Cent. South Univ. (2017) 24: 1551-1559 DOI: 10.1007/s11771-017-3560-3 Alloying effects of V on stability, elastic and electronic properties of TiFe2 via first-principles calculations NONG Zhi... University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: The alloying effects of V on structural, elastic and electronic properties of TiFe2 phase were investigated by the first-principles......
Effect of temperature on mechanical alloying of Cu-Zn and Cu-Cr system ZUO Ke-sheng(左可胜)1, 2, XI Sheng-qi(席生岐)2, ZHOU Jing-en(周敬恩)2 1. School of Earth Science and Resources, Chang... alloying(MA) process of Cu-Zn system with negative mixing enthalpy, and promote MA process of Cu-Cr system with positive mixing enthalpy. As for Cu-Cr and Cu-Zn powders milled at -10 ℃, lamellar......
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on ME20 mainly consists of MgF2, MgO, C and a small amount of CeF4. The good oxidation resistances of ZK60 and ME20 alloy melts may be caused by their major alloying elements Zr and Ce, respectively. Key words: ZK60 alloy; ME20 alloy; magnesium alloy melt; Mg melt; 1,1,1,2-tetrafluoroethane; alloying element; oxidation 1 Introduction Molten magnesium has an extremely high affinity for oxygen and high......
Microstructure transformation of carbon nanofibers during graphitization ZHANG Yong(张 勇)1, TANG Yuan-hong(唐元洪)1, 2, LIN Liang-wu(林良武)1, ZHANG En-lei(张恩磊)1 1. College of Materials Science...: The microstructures of vapor-grown carbon nanofibers(CNFs) before and after graphitization process were analyzed by high resolution transmission electron microscopy(HRTEM), Raman spectroscopy, X-ray diffractometry(XRD......
