Acta Metall Sin  1988, Vol. 24 Issue (4): 365-367    DOI:

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TRANSFORMATION OF CRYSTAL MORPHOLOGY OF EUTECTIC COMPOSITE-IN-SITU

REN Zhifeng;ZHANG Chengfu Huazhong University of Science and Technology; WuhanDivision of Casting; Huazhong University of Science and Technology; Wuhan

REN Zhifeng;ZHANG Chengfu Huazhong University of Science and Technology; WuhanDivision of Casting; Huazhong University of Science and Technology; Wuhan. TRANSFORMATION OF CRYSTAL MORPHOLOGY OF EUTECTIC COMPOSITE-IN-SITU. Acta Metall Sin, 1988, 24(4): 365-367.

Abstract References Related Articles Recommended Metrics Download:  PDF(576KB)  Export:  BibTeX | EndNote (RIS)       Abstract  It is clarified by experimental examination and theoretical analysis that the trans-formation of crystal morphology of the eutectic Al-Cu alloy composite-in-situ seems to be judgedby not only the constitutional supercooling proposed in previous literatures but also the supercoolingdue to the effect of curved surfaces at the solidifying front. The greater entropy of fusion and thetendency to faceted face are important features of the non-metallic phase, which may contributeto the leading role of the phase during solidification. It might be the change of leading phase thatchanges the morphology of crystals. Key words:  composite-situ      planar crystal      cellular crystal      constitutional suppercooling      curvature supercooling      Received:  18 April 1988      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1988/V24/I4/365 1 Chadwick G A, Met B. J Inst Met, 1962&1963: 91: 169 2 Kraft R W, Albright D L. Trans AIME, 1961: 221: 95 3 Pattnaik A, Lawley A. Metall Trans, 1971; 2: 1529 4 Pattnaik A, Lawley A. Proc Conf In-Situ Composites I. NMAB Pub, 308-I. Wash D C. 1973: 281 5 胡汉起,金属凝固.冶金工业出版社,1985:269 6 张承甫,肖理明,张军,黄志光.铸造工程,1983;(1) :13 7 Jordan R M, Hunt J D. Metall Trans, 1972; 3: 1385 [1] LIN Xiaoping DONG Yun XU Rui SUN Guifang JIAO Shihui. CRYSTAL MORPHOLOGIES AND THE PHASES IN THE Mg–6Zn–3Y ALLOY SOLIDIFIED UNDER SUPER–HIGH PRESSURE[J]. 金属学报, 2011, 47(12): 1550-1554. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed