金属学报  1989, Vol. 25 Issue (6): 102-107

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Al-Si共晶强制性非稳态生长实验研究

刘俊明;周尧和;商宝禄

西北工业大学;西北工业大学;西北工业大学

NONSTABLE GROWTH OF Al-Si EUTECTIC IN CONSTRAINED CONDITION

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

刘俊明;周尧和;商宝禄. Al-Si共晶强制性非稳态生长实验研究[J]. 金属学报, 1989, 25(6): 102-107.
, , . NONSTABLE GROWTH OF Al-Si EUTECTIC IN CONSTRAINED CONDITION[J]. Acta Metall Sin, 1989, 25(6): 102-107.

摘要 参考文献 相关文章 Metrics 全文: PDF(1075 KB)   摘要: 本文在定向凝固系统上用变速抽拉方法试验研究了Al-Si共晶强制非稳态生长过程。在加速生长过程中,共晶相间距对生长速度的响应呈滞后效应,响应机制是共晶Si相成簇分枝和局域“终结”延伸。在减速生长过程中,Si相成簇分枝和“终结”伸缩机制仍控制相间距;共晶相间距由初始生长速度决定,对生长速度下降不产生响应。 关键词 ： Al-Si共晶,  非稳态生长,  硅相成簇分枝     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 收稿日期: 1989-06-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 刘俊明 周尧和 商宝禄 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1989/V25/I6/102 1 Jackson K A, Hunt J D. TMS AIME, 1966; 236: 1129 2 Cline H E. TMS AIME, 1969; 245: 2205 3 Jordan R M, Hunt J D. Metall Trans, 1971; 2: 3401 4 Elliott R. Eutectic Solidification Processing, Crystalline and Glassy Alloys, London: Butterworths, 1983 5 Zener C. TMS AIME, 1946; 167: 550 6 Elliott R. Glenister S M D. Acta Metall, 1980; 28: 1489 7 Hogan L Mi Song H. Metall Trans, 1987; 18A: 707 8 Carlberg T, Fredrirsson H. J Cryst Growth, 1977; 42: 526 9 刘俊明,周尧和,商宝禄.西北工业大学学报,1989;7(4) :601; [1] 任忠鸣;苏辉;金俊泽. 合金在电磁场中凝固时生成的特殊表面[J]. 金属学报, 1990, 26(5): 150-152. Viewed Full text Abstract Cited   Shared      Discussed