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Thermodynamics analysis and precipitation behavior of fine carbide in K416B Ni-based superalloy with high W content during creep
Xie, Jun; Yu, Jin-jiang; Sun, Xiao-feng; Jin, Tao; jjyu@imr.ac.cn
2015
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume25Issue:5Pages:1478-1483
AbstractThe precipitation behavior of carbide in K416B superalloy was investigated by means of creep measurement and microstructure observation. The results show that nanometer M6C particles discontinuously precipitate in the. matrix or along the gamma interface of the alloy during high temperature tensile creep. Thereinto, the amount of fine M6C carbide increases as creep goes on, and the coherent interfaces of M6C phase precipitating from the. matrix are {100} and {111} planes. The thermodynamics analysis indicates that the solubility of element carbon in the matrix decreases when the alloy is deformed by the axial tensile stress during creep, so as to cause the carbon segregating in the regions of stress concentration and combining with carbide-forming elements M(W, Co), which promotes the fine M6C carbide to precipitate from the. matrix.
description.department[xie, jun ; yu, jin-jiang ; sun, xiao-feng ; jin, tao] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordK416b Ni-based Superalloy M6c Carbide Stress Inducement Thermodynamics Analysis
Funding OrganizationNational Basic Research Program of China [2010CB631200, 2010CB631206]; National Natural Science Foundation of China [50931004]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75216
Collection中国科学院金属研究所
Corresponding Authorjjyu@imr.ac.cn
Recommended Citation
GB/T 7714
Xie, Jun,Yu, Jin-jiang,Sun, Xiao-feng,et al. Thermodynamics analysis and precipitation behavior of fine carbide in K416B Ni-based superalloy with high W content during creep[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2015,25(5):1478-1483.
APA Xie, Jun,Yu, Jin-jiang,Sun, Xiao-feng,Jin, Tao,&jjyu@imr.ac.cn.(2015).Thermodynamics analysis and precipitation behavior of fine carbide in K416B Ni-based superalloy with high W content during creep.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,25(5),1478-1483.
MLA Xie, Jun,et al."Thermodynamics analysis and precipitation behavior of fine carbide in K416B Ni-based superalloy with high W content during creep".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 25.5(2015):1478-1483.
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