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作 者:Hong Li Haifeng Zhang Longbao Wang Guangjie Zhai Bingzhe Ding Zhenhong Mai Zhuangqi Hu
机构地区:[1]Chinese Acad Sci, Inst Met Res, State Key Lab Rapidly Solidified Nonequilibrium A, Shenyang 110015, Peoples R China [2]Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
出 处:《Chinese Science Bulletin》1999年第16期1463-1466,共4页
摘 要:A series of experiments have been designed to investigate the effect of different space positions between liquid Ag-Cu-Sn alloy drop and iron substrates on the liquid/solid inter-facial morphologies by a sessile drop method. The results show that Ag-Cu-Sn alloy diffuses into the solid iron substrate, and the amounts are greater and the distances are longer when it dif-A series of experiments have been designed to investigate the effect of different space positions between liquid Ag-Cu-Sn alloy drop and iron substrates on the liquid/solid interfacial morphologies by a sessile drop method. The results show that Ag-Cu-Sn alloy diffuses into the solid iron substrate, and the amounts are greater and the distances are longer when it diffuses into the lower substrate than that into the upper one. Moreover, there are many primary α-Fe dendrites in the liquid Ag-Cu-Sn alloy close to the upper substrate of liquid bridge or the surface of metal drop. That is due to the effect of gravity.
关 键 词:liquid/solid interface DIFFUSION Α-FE dendrite.
分 类 号:TG131[一般工业技术—材料科学与工程]
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