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molecular-dynamics simulations of pure FCC metals. Special emphasis is laid on the recent observations of high density hexagonal and rhombic shaped nanostructures with an average size of 3 nm in the Al... Special nanostructures in Al-Mg alloys subjected to high pressure torsion LIU Man-ping(刘满平)1, 2, Hans J. ROVEN2, LIU Xin-tao(刘新涛)1, Maxim MURASHKIN3, Ruslan Z. VALIEV3, Tamas UNG?R4, Levente......
Trans. Nonferrous Met. Soc. China 22(2012) s445-s449 Microstructures and mechanical properties of pure magnesium bars by high ratio extrusion and its subsequent annealing treatment SUN Hong-fei1,2... 150040, China Received 28 August 2012; accepted 25 October 2012 Abstract: Pure magnesium bars were prepared by two-pass cumulative high ratio extrusion with as-cast Mg as the original material......
readily forms in the high Fe3+ concentration at pH 2.0-2.6 and 30 ℃, and the most important factor influencing the formation is pH[18-19]. In pure A. ferrooxidans, jarosite precipitation forms a passivation... Bioleaching of chalcopyrite by pure and mixed culture ZHANG Yan-sheng(张雁生), QIN Wen-qing(覃文庆), WANG Jun(王 军), ZHEN Shi-jie(甄世杰), YANG Cong-ren(杨聪仁), ZHANG Jian-wen(张建文), NAI Shao-shi(赖绍师), QIU......
Influence of Sc on high temperature strengthening behavior of Ti-6Al-4V alloy LIU Hui-qun(刘会群)1, YI Dan-qing(易丹青)1, WANG Wei-qi(王韦琪)2, WANG Li-ping(王立平)2, LIAN Cai-hao(廉才浩)1 1. School... was started in β-phase region and finished in high (α+β)-phase region. Annealing after forging was performed in low (α+β)-phase region for 30 min. Isothermal high temperature compression tests were conducted......
A STUDY ON THE BEHAVIOUR OF GALLIUM IN THE IRONMAKING PROCESS Y.S.Yusfin1,D.Janke2,L.Savov2,S.Garonin2,O.Ivanov2 (1.Moscow State Institute of Steel and Alloys (MISIS;2.Institute of Iron and Steel Technology, Freiberg University of Mining and Technology, D-09596 Freiberg, Germany) Abstract:Gallium is a valuable rare metal which is mainly being used in the production of GaAs.The demand......
with the metal surface. Key words: pure Mg; corrosion; electrochemical impedance spectroscopy (EIS); fractal dimension 1 Introduction Mg is one of the most active and lightest metals. In particular, its high... Trans. Nonferrous Met. Soc. China 22(2012) 970-976 Electrochemical and corrosion behaviors of pure Mg in neutral 1.0% NaCl solution CAI Chao1,2, ZHANG Zhao2, WEI Zhong-ling3, YANG Jian-feng1, LI......
Kinetic study on pressure leaching of high iron sphalerite concentrate XIE Ke-qiang(谢克强)1, YANG Xian-wan(杨显万)1, WANG Ji-kun(王吉坤)2, YAN Jiang-feng(阎江峰)2, SHEN Qing-feng(沈庆峰)2 1. Faculty...; Abstract: The kinetics of pressure leaching high iron sphalerite concentrate was studied. The effects of agitation rate, temperature, oxygen partial pressure, initial acid concentration, particle size......
to an H-3400 scanning electron microscope. 3 Results and discussion Fig.1 shows the microstructure evolution of as- rolled high pure aluminum during annealing at 300 ℃. After annealed for 30 min... Recrystallization behavior of high purity aluminum at 300 ℃ DU Yu-xuan(杜予晅), ZHANG Xin-ming(张新明), YE Ling-ying(叶凌英), LUO Zhi-hui(罗智辉) School of Materials Science and Engineering, Central......
been found to discuss yet. In this work, the ingots of Grade 2 commercially pure titanium (CP-Ti) is formed by high-speed forging and rolling to be billets, respectively. And their microstructure... Trans. Nonferrous Met. Soc. China 22(2012) 1939-1946 Comparison of microstructures and mechanical properties between forging and rolling processes for commercially pure titanium XU Chun1, ZHU......
