Spacing selection of cellular peritectic coupled growth during directional solidification of Fe-Ni peritectic alloys

被引：15

作者：

Su, Y. Q. ^{[1
]}

Luo, L. S. ^{[1
]}

Guo, J. J. ^{[1
]}

Li, X. Z. ^{[1
]}

Fu, H. Z. ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 474卷 / 1-2期

关键词：

Directional solidification; Peritectic solidification; Coupled growth; Fe-Ni alloy; UNIDIRECTIONAL SOLIDIFICATION; MICROSTRUCTURE FORMATION; 2-PHASE MICROSTRUCTURE; EVOLUTION; MORPHOLOGY; DYNAMICS; SYSTEMS;

D O I：

10.1016/j.jallcom.2008.06.060

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

One weakly coupled growth mechanism, cellular peritectic coupled growth (CPCG), was observed recently during the directional solidification of peritectic alloys, which can be a candidate method to produce well aligned in situ composites in peritectic systems. Directional solidification experiments were carried out in Fe-Ni peritectic alloys to investigate the characteristic spacing of CPCG. It was found that the cellular spacing of CPCG first decreases with increasing velocity and then increases with increasing velocity. A simplified model was developed to predict the cellular spacing of CPCG. Good agreement was obtained between the predictions and experimental results in Fe-Ni alloys. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：L14 / L17

页数：4

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