IMR OpenIR
Effect of ruthenium on gamma ' precipitation behavior and evolution in single crystal superalloys
L. R. Liu; T. Jin; J. L. Liu; X. F. Sun; Z. Q. Hu
2013
Source PublicationTransactions of Nonferrous Metals Society of China
ISSN1003-6326
Volume23Issue:1Pages:14-22
AbstractThe effect of Ru on gamma' precipitation behavior and evolution in single crystal superalloys with different Ru contents were investigated by scanning electron microscopy with energy dispersive spectroscopy, 3D atomic probing, differential scanning calorimetry. The results show that the solvus of the gamma' phase decreases gradually with increasing Ru content in the alloys by casting or by the same solution and aging treatments, the alloy with a larger Ru content yields a smaller gamma' phase. The addition of Ru increases the growth rate and coarsening rate of the gamma' phase. Ru mainly distributes in the gamma phase, which causes more Re and Mo partition into the gamma' phase, increasing the absolute value of mismatch and the rafting rate of the gamma' phase.
description.department[liu, li-rong] shenyang univ technol, sch mat sci & engn, shenyang 110870, peoples r china. [jin, tao ; liu, jin-lai ; sun, xiao-feng ; hu, zhuang-qi] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; liu, lr (reprint author), shenyang univ technol, sch mat sci & engn, shenyang 110870, peoples r china. ; lrliu866@sohu.com
KeywordSingle Crystal Superalloy Ruthenium Gamma Prime Precipitation Growth Rate Coarsening Rate Mismatch Nickel-base Superalloy Ru Microstructure Phase Re
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71372
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L. R. Liu,T. Jin,J. L. Liu,et al. Effect of ruthenium on gamma ' precipitation behavior and evolution in single crystal superalloys[J]. Transactions of Nonferrous Metals Society of China,2013,23(1):14-22.
APA L. R. Liu,T. Jin,J. L. Liu,X. F. Sun,&Z. Q. Hu.(2013).Effect of ruthenium on gamma ' precipitation behavior and evolution in single crystal superalloys.Transactions of Nonferrous Metals Society of China,23(1),14-22.
MLA L. R. Liu,et al."Effect of ruthenium on gamma ' precipitation behavior and evolution in single crystal superalloys".Transactions of Nonferrous Metals Society of China 23.1(2013):14-22.
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