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Morphology evolution of unstable gamma ' in Ni-Co based superalloy
L. Xu; C. G. Tian; C. Y. Cui; Y. F. Gu; X. F. Sun
2014
Source PublicationMaterials Science and Technology
ISSN0267-0836
Volume30Issue:8Pages:962-967
AbstractThe evolution of gamma' morphology was investigated during cooling and isothermal aging in a newly developed Ni-Co based wrought superalloy. The results showed that unstable flowery gamma' precipitated at a cooling rate of 5 degrees C min(-1) and became stable during isothermal aging, and its shape was either spherical or cuboidal depending on the aging temperatures. The evolution mechanism of gamma' morphology was discussed in terms of the diffusion effects, the elastic strain energy and the gamma'/gamma interface energy.
description.department[xu, l. ; tian, c. g. ; cui, c. y. ; sun, x. f.] chinese acad sci, inst met res, superalloys div, shenyang 110016, peoples r china. [gu, y. f.] natl inst mat sci, tsukuba, ibaraki 3050047, japan. ; cui, cy (reprint author), chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china. ; chycui@imr.ac.cn
KeywordNi-co Based Superalloy Gamma' Morphology Aging Temperature Elastic Stain Energy Interface Energy Powder-metallurgy Superalloy Cooling Rate Microstructure Growth Creep Precipitation Diffusion U720li Dt
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72945
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L. Xu,C. G. Tian,C. Y. Cui,et al. Morphology evolution of unstable gamma ' in Ni-Co based superalloy[J]. Materials Science and Technology,2014,30(8):962-967.
APA L. Xu,C. G. Tian,C. Y. Cui,Y. F. Gu,&X. F. Sun.(2014).Morphology evolution of unstable gamma ' in Ni-Co based superalloy.Materials Science and Technology,30(8),962-967.
MLA L. Xu,et al."Morphology evolution of unstable gamma ' in Ni-Co based superalloy".Materials Science and Technology 30.8(2014):962-967.
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