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vectors of these two dislocation pairs. Key words: grain boundary; dislocation; annihilation; separation; phase-field crystal 晶体材料通常由大量晶粒组成,晶界就是位向不同的晶粒之间的交界面,每个晶粒内部有时又由若干个位向稍有差异的亚晶粒组成.小角度晶界一般是指2个晶粒间位向差小...平. 应力诱发双位错组亚晶界湮没的晶体相场模拟[J]. 金属学报, 2011, 47: 1301-1306. YANG Tao, CHEN Zheng, DONG Wei-ping. Phase field crystal simulation of stress–induced annihilation of sub-grain boundary with double-array......
Effects of vibration and grain refiner on microstructure of semisolid slurry of hypoeutectic Al-Si alloy ZHAO Jun-wen(赵君文), WU Shu-sen(吴树森), XIE Li-zhi(谢礼志), AN Ping(安 萍), MAO You-wu(毛有武) State... of vibration and grain refiner on the microstructure of semisolid slurry of hypoeutectic Al-Si alloy were studied. The impact of vibration on the convection of liquid was conducted by using a system......
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Microstructure formation and grain refinement of Mg-based alloys by electromagnetic vibration technique M. J. LI, T. TAMURA, N. OMURA, K. MIWA National Institute of Advanced Industrial Science... observed. The average size of grains was quantitatively measured as a function of vibration frequencies. Moreover, the grain size distribution was outlined versus number fraction. A novel model......
in terms of grain scale. Key words: plastic deformation; crystal plasticity; finite element method; texture evolution 1 Introduction Most of metal alloys that are commonly used in the engineering... elements for grain structure [J]. Journal of Materials Engineering and Performance, 2015, 24(12): 4908–4918. [5] LI Ling, SHEN Lu-ming, PROUST G, MOY C K S, RANZI G. Three-dimensional crystal plasticity......
into Mg-6Al alloy, the grain form turns into spinal projection shape from that of polyhedron. The exiguous intermetallic, oxide, boron and boride granule are dispersions distributed in matrix and crystal bound... Grain size refinement of magnesium composite alloys by addition of B2O3 BU Le-ping(卜乐平)1,2, S. TANAKA1, M. TSUSHIDA3, S. ANDO3, H. TONDA3 1. Graduate School of Science and Technology,Kumamoto......
Effect of anisotropy on microstructure and high temperature stress rupture properties of Ni3Al base single crystal alloy KONG Zhi-gang(孔志刚), HAN Ya-fang(韩雅芳), LI Shu-suo(李树索) School of Materials... on microstructure and high temperature stress rupture property of Ni3Al base single crystal alloy was investigated. The single crystal specimens were produced by screw selection crystal method......
New Technology for Optimizing Melting Pool and Regulating Grain Formation in Laser Surface Remelting of Single Crystal Superalloys金国College of Material Science and Chemical Engineering,Harbin... mechanical properties at high temperatures[1]. For maintaining and improving the properties,this kind of materials are often cast into single crystal form. Nevertheless,severe service conditions......
and Solidification [M]. Tokyo: Maruzen, 1985. [15] CHARBON C H, RAPPAZ M. A coupled finite element-cellular automaton model for the prediction of dendritic grain structures in solidification [J]. Acta Metall... M. A 3D cellular automaton algorithm for the prediction of dendritic grain growth [J]. Acta Metall, 1997, 45(5): 2187-2195. (Edited by PENG Chao-qun) Foundation item: Project(ICAST No.11305054......
Grain refining action of Ti existing in electrolytic low-titanium aluminum with Al-4B addition for superheated Al melt WANG Ming-xing(王明星), PANG Jin-hui(庞金辉), LIU Zhi-yong(刘志勇), LIU... 2009; accepted 30 September 2010 Abstract: The effects of superheating temperature on the grain refining efficiency of Ti existing in electrolytic low-titanium aluminum (ELTA) without......