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Microstructural degradation after thermal exposure of a Re-containing single crystal superalloy
Sun, Jingxia1,2; Liu, Jinlai1; Li, Jinguo1; Wang, Xinguang1; Liu, Jide1; Yang, Yanhong1; Zhou, Yizhou1; Sun, Xiaofeng1
Corresponding AuthorLiu, Jinlai(jlliu@imr.ac.cn) ; Li, Jinguo(jgli@imr.ac.cn)
2021-08-01
Source PublicationMATERIALS CHARACTERIZATION
ISSN1044-5803
Volume178Pages:8
AbstractMicrostructural degradation after thermal exposure of a 5% Re-containing single crystal (SX) superalloys has been studied. The alloy was subjected to thermal exposure at temperature of 1100 degrees C for periods of 100, 500, and 1000 h. The microstructure of the alloy was degraded after long-term thermal exposure, mainly in gamma' coarsening, the precipitation topologically close packed (TCP) phases. Moreover, the stress-rupture properties of the samples before and after long-term thermal exposures were characterized. The results showed that the gamma' coarsening and TCP formation after exposed for 500 h, which led to a damaged of the stress-rupture life time. Besides, the growth of pores during exposure also influences the stress-rupture life.
KeywordMicrostructure Single crystal superalloy Thermal exposure Stress rupture property
Funding OrganizationNational Science and Technology Major Project ; National Key Research and Development Program of China ; National Natural Science Foundation of China
DOI10.1016/j.matchar.2021.111279
Indexed BySCI
Languageen
Funding ProjectNational Science and Technology Major Project[2017-VI-0002-0072] ; National Science and Technology Major Project[2017VI00030073] ; National Key Research and Development Program of China[2017YFA0700704] ; National Natural Science Foundation of China[51971214]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
WOS IDWOS:000677995800002
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159651
Collection中国科学院金属研究所
Corresponding AuthorLiu, Jinlai; Li, Jinguo
Affiliation1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Sun, Jingxia,Liu, Jinlai,Li, Jinguo,et al. Microstructural degradation after thermal exposure of a Re-containing single crystal superalloy[J]. MATERIALS CHARACTERIZATION,2021,178:8.
APA Sun, Jingxia.,Liu, Jinlai.,Li, Jinguo.,Wang, Xinguang.,Liu, Jide.,...&Sun, Xiaofeng.(2021).Microstructural degradation after thermal exposure of a Re-containing single crystal superalloy.MATERIALS CHARACTERIZATION,178,8.
MLA Sun, Jingxia,et al."Microstructural degradation after thermal exposure of a Re-containing single crystal superalloy".MATERIALS CHARACTERIZATION 178(2021):8.
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