Solidification path in third-generation Ni-based superalloys, with an emphasis on last stage solidification

被引：75
|
作者：
D'Souza, N.
Dong, H. B.
机构：
[1] Rolls Royce PLC, Precis Casting Facil, Derby DE24 8BJ, England
[2] Univ Leicester, Dept Engn, Leicester LE1 7RH, Leics, England
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 01期
关键词：
solidification path; differential thermal analysis; scanning electron microscopy; nickel alloys; multi-component solidification;
D O I：
10.1016/j.scriptamat.2006.08.060
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Differential thermal analyses along with microstructural characterization has been used to study the solidification path in the Ni-based superalloy CMSX 10 K. It was found that solidification initiates with freezing of primary gamma dendrites, continues with a peritectic reaction resulting in nucleation and growth of gamma' particles in the interdendritic liquid, and terminates with the precipitation of fine lamellar [gamma-gamma'] phases between the coarsened gamma' particles. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：41 / 44
页数：4
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