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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
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
卷号25期号:5页码:1478-1483
摘要The 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.
部门归属[xie, jun ; yu, jin-jiang ; sun, xiao-feng ; jin, tao] chinese acad sci, inst met res, shenyang 110016, peoples r china
关键词K416b Ni-based Superalloy M6c Carbide Stress Inducement Thermodynamics Analysis
资助者National Basic Research Program of China [2010CB631200, 2010CB631206]; National Natural Science Foundation of China [50931004]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75216
专题中国科学院金属研究所
通讯作者jjyu@imr.ac.cn
推荐引用方式
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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