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Influence of Heat Treatment on gamma ' Phase and Property of a Directionally Solidified Superalloy
Xia, PC; Xie, K; Cui, HZ; Yu, JJ; Xia, PC (reprint author), Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266590, Peoples R China.
2018-03-01
Source PublicationHIGH TEMPERATURE MATERIALS AND PROCESSES
ISSN0334-6455
Volume37Issue:3Pages:271-276
AbstractThe effects of heat treatment process on microstructure and properties of a nickel base superalloy are investigated. The size of gamma' phase decreases and the stress rupture life of alloy at 1100 degrees C/60 MPa drops with the rise of cooling rate. The hardness at room temperature also increases. The size of cuboidal gamma' precipitate and the volume of spherical gamma' precipitate increase with the rise of aging temperature. With higher aging temperature, the alloy exhibits bimodal gamma' phase. A reasonable combination of the size and volume fraction of cuboidal and spherical gamma' phase can obtain better stress rupture property at 1100 degrees C/60 MPa.; The effects of heat treatment process on microstructure and properties of a nickel base superalloy are investigated. The size of gamma' phase decreases and the stress rupture life of alloy at 1100 degrees C/60 MPa drops with the rise of cooling rate. The hardness at room temperature also increases. The size of cuboidal gamma' precipitate and the volume of spherical gamma' precipitate increase with the rise of aging temperature. With higher aging temperature, the alloy exhibits bimodal gamma' phase. A reasonable combination of the size and volume fraction of cuboidal and spherical gamma' phase can obtain better stress rupture property at 1100 degrees C/60 MPa.
description.department[xia, p. c. ; xie, k. ; cui, h. z.] shandong univ sci & technol, sch mat sci & engn, qingdao 266590, peoples r china ; [yu, j. j.] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordNickel-base Superalloy Single-crystal Superalloy Microstructure Mechanisms Alloy Generations
Subject AreaMaterials Science, Multidisciplinary
Funding OrganizationNational High Technology Research and Development Program of China (863 Program) [SS2015AA031901]; Taishan Scholars Project of Shandong [ts20110828]; National Natural Science Foundation of China [51272141, 51208288]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79461
Collection中国科学院金属研究所
Corresponding AuthorXia, PC (reprint author), Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266590, Peoples R China.
Recommended Citation
GB/T 7714
Xia, PC,Xie, K,Cui, HZ,et al. Influence of Heat Treatment on gamma ' Phase and Property of a Directionally Solidified Superalloy[J]. HIGH TEMPERATURE MATERIALS AND PROCESSES,2018,37(3):271-276.
APA Xia, PC,Xie, K,Cui, HZ,Yu, JJ,&Xia, PC .(2018).Influence of Heat Treatment on gamma ' Phase and Property of a Directionally Solidified Superalloy.HIGH TEMPERATURE MATERIALS AND PROCESSES,37(3),271-276.
MLA Xia, PC,et al."Influence of Heat Treatment on gamma ' Phase and Property of a Directionally Solidified Superalloy".HIGH TEMPERATURE MATERIALS AND PROCESSES 37.3(2018):271-276.
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