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氢氧化铝晶体生长习性的Morphology分析 吴争平,尹周澜,陈启元,李 洁 (中南大学 化学化工学院 化学工程与技术博士后流动站,湖南 长沙,410083) 摘 要:对氢氧化铝晶体生长习性进行Morphology理论研究,明确氢氧化铝晶粒长大后的晶粒形态特征及氢氧化铝的理论晶体生长习性.首先,用BFDH法说明了生长过程中最重要的面;其次,采用晶体平衡形态(Equilibrium morphology)法,用Morphology程序对氢氧化铝3×4×2超晶胞及其(001),(100),(010),(011),(110),(101)和(112)面真空slab模型进行平衡形态计算,计算结果与实验结果吻合,很好地预测了各显露面族(001),(100),(010),(011),(110),(101)和(112)面族.理论生长习性计算结果表明,氢氧化......
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Effect of local chilling on morphology of primary α(Al) in semi-solid A356 alloy LIU Zheng(刘 政)1, 2, MAO Wei-min(毛卫民)2, ZHAO Zhen-duo(赵振铎)2 1. Faculty of Material and Chemical Engineering.... The effect of chilling by the rod on morphology and size of primary α(Al) in A356 was researched. The results indicate that the chilling by the rod remarkably affects the morphology and the size of primary......
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Morphology control of ultrafine cuprous oxide powder and its growth mechanism CAO Yan(曹 艳), WANG Yue-jun(王岳俊), ZHOU Kang-gen(周康根), BI Zhen(毕 贞) School of Metallurgical Science... characterized by XRD and SEM. The effects of the precursor (CuO, Cu(OH)2), reaction temperature and glucose concentration on morphology of Cu2O particles were investigated, and the mechanism of morphology......
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J. Cent. South Univ. (2012) 19: 17-21 DOI: 10.1007/s11771-012-0966-9 Effect of heat treatment of Mn-Cu precursors on morphology of dealloyed nanoporous copper TAN Xiu-lan(谭秀兰)1, LI Kai(李恺)1, NIU Gao... a free corrosion method. The effects of heat treatment of Mn-Cu precursors on alloy phase, morphology and composition of the resultant nanoporous copper were investigated. It is revealed......
J. Cent. South Univ. Technol. (2011) 18: 6-15 DOI: 10.1007/s11771-011-0651-4 Morphology and growth of porous anodic oxide films on Ti-10V-2Fe-3Al in neutral tartrate solution YI Jun-lan(易俊兰... anodizing time. Scanning electron microscopy (SEM) and field emission scanning electron microscopy (FE-SEM) were used to investigate the morphology evolution of the anodic oxide film. It is shown that above......
Micro and sub-micro morphology of Mg65Cu25Y10 bulk amorphous alloy containing primary crystalline phases GUAN Le-ding(关乐丁)1, 2, YAN Biao(严 彪)1, 2, YANG Sha(杨 沙)1, 2 1. Shanghai Key... and morphology of the prepared alloy. Under micro condition, the sample alloy is composed of amorphous structure with cauliflorate shape, primary CuMg2 dendrite phase, mixed primary CuMg2 and Cu2Y......
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