Al-Si-Ge三元合金相图的研究

金属学报

1982, Vol. 18

Issue (4): 451-523

论文

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Al-Si-Ge三元合金相图的研究

刘淑祺;孙国平;张启运

北京大学化学系;北京大学化学系;北京大学化学系

THE PHASE DIAGRAM OF SYSTEM Al-Si-Ge

Liu Shuqi Sun Guoping Zhang Qiyun (Department of Chemistry; Beijing University) (Manuscript received 2 February; 1981; revised manuscript 13 January; 1982)

引用本文:

刘淑祺;孙国平;张启运. Al-Si-Ge三元合金相图的研究[J]. 金属学报, 1982, 18(4): 451-523.
, , . THE PHASE DIAGRAM OF SYSTEM Al-Si-Ge[J]. Acta Metall Sin, 1982, 18(4): 451-523.

全文: PDF(969 KB)

摘要:

热分析方法配合合金相观察研究了Al-Si-Ge体系富Al区的多温状态图。本体系为一连续过渡型二元共晶体系。二元共晶线由Al-Si共晶点577℃逐渐下降而和Al-Ge共晶点423℃相连。液相限由α-Al的初晶面和β-Si(Ge)固溶体的初晶面组成。体系内并无化合物或其它新相生成。

Abstract：

A polythermal phase diagram study has been made of the Al-rich part in the AI-Si-Ge system by the methods of thermal analysis and metallography. The system belongs in a eutectic type with continuous transition from one binary side to the another. The temperatures of the eutectic line gradually decrease from 577℃ on the Al-Si side to 423℃ on the Al-Ge side. The orthogonally projected eutectic line is slightly convex to the Al-corner from the connected line of two eutectics on the both binary sides. No evidence was found about any new compound and phase in the system.

收稿日期: 1982-04-18

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1 Block, H.H., U.S. Pat., 2 508 008,(1950) . 2 Werner, W.J., U.S. Pat., 3 791 820,(1974) . 3 桑野明良,日本公开特许公报,52-33860,(1977) . 4 Hansen, M., Constitution of Binary Alloys, McGraw-Hill, New York, 1958, p. 133． 5 Hansen, M. ibid., p. 97． 6 Hansen, M., ibid., p. 774.

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