NONSTABLE GROWTH OF Al-Si EUTECTIC IN CONSTRAINED CONDITION

Acta Metall Sin

1989, Vol. 25

Issue (6): 102-107 DOI:

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NONSTABLE GROWTH OF Al-Si EUTECTIC IN CONSTRAINED CONDITION

LIU Junming;ZHOU Yaohe;SHANG Baolu Northwestern Polytechnical University; Xi'an

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LIU Junming;ZHOU Yaohe;SHANG Baolu Northwestern Polytechnical University; Xi'an. NONSTABLE GROWTH OF Al-Si EUTECTIC IN CONSTRAINED CONDITION. Acta Metall Sin, 1989, 25(6): 102-107.

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Abstract Nonstable growth of Al-Si eutectic in constrained condition has beeninvestigated by means of change of the pulling velocity in an unidirectional solidi-fication system. In constant acceleration growth, a retard effect of response of eu-tectic interflake spacing on the growth rate has been observed. However, in cons-tant deceleration growth, the interflake spacing is determined by the initial growthrate and does not response to the decreasing of growth rate.

Key words: Al-Si eutectic nonstable growth Si-phase c1uster-branching

Received: 18 June 1989

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1989/V25/I6/102

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[1]	LIU Junming;LIU Zhiguo;WU Zhuangchun Nanjing University Lecturer;National Laboratory of Solid State Microstructures;Nanjing University; Nanjing 210008. SCALING LAW OF IRREGULAR EUTECTIC IN DIRECTIONAL SOLIDIFICATION[J]. 金属学报, 1993, 29(3): 11-18.
[2]	REN Zhongming;SU Hui;JIN Junze Dalian University of Technology. Si-RICH LAYER FORMATION DURING DIRECTIONAL SOLIDIFICATION OF Al-Si EUTECTIC ALLOY IN ELECTROMAGNETIC FIELD[J]. 金属学报, 1990, 26(5): 150-152.

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