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Multicomponent Co-Ti-based superalloy with high solvus temperature and low lattice misfit
Liu, Xingjun1,2,3,4; Chen, Zhongfeng1,2; Chen, Yuechao1,2; Yang, Shuiyuan1,2; Pan, Yunwei1,2; Lu, Yong1,2; Qu, Shasha5; Li, Yingju5; Yang, Yuansheng5; Wang, Cuiping1,2
Corresponding AuthorLu, Yong(luyong@xmu.edu.cn) ; Wang, Cuiping(wangcp@xmu.edu.cn)
2021-02-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume284Pages:4
AbstractThe microstructure, phase transformation temperature, gamma/gamma' lattice misfit, and mechanical properties of Co-4Ti-10V-2W-2Ta (at. %, referred to as 2Ta) quinary alloy were investigated in detail. In addition, the results show that Ti, W, and Ta exhibit a strong partitioning tendency to the gamma' phase, resulting in a high gamma' solvus temperature (similar to 1131 degrees C) in the studied alloy. The gamma/gamma' lattice misfit of the 2Ta alloy was found to be similar to+0.33%, which is much lower than those of Co-Ti binary and Co-Ti-Mo/W/Re/Cr ternary alloys. Moreover, the designed alloy also exhibits excellent yield strength (880 MPa at 750 degrees C), which is comparable to Co-12Ti-4Mo alloy. (c) 2020 Elsevier B.V. All rights reserved.
KeywordMetals and alloys Microstructure Thermal properties Yield strength
Funding OrganizationNational Natural Science Foundation of China ; Ministry of Science and Technology of China ; National Key R&D program of China ; Key-Area Research and Development Program of GuangDong Province
DOI10.1016/j.matlet.2020.128910
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51831007] ; Ministry of Science and Technology of China[2014DFA53040] ; National Key R&D program of China[2017YFB0702901] ; Key-Area Research and Development Program of GuangDong Province[2019B010943001]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000598400600011
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158787
Collection中国科学院金属研究所
Corresponding AuthorLu, Yong; Wang, Cuiping
Affiliation1.Xiamen Univ, Coll Mat, Xiamen 361005, Peoples R China
2.Xiamen Univ, Fujian Prov Key Lab Mat Genome, Xiamen 361005, Peoples R China
3.Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
4.Harbin Inst Technol, Inst Mat Genome & Big Data, Shenzhen 518055, Peoples R China
5.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xingjun,Chen, Zhongfeng,Chen, Yuechao,et al. Multicomponent Co-Ti-based superalloy with high solvus temperature and low lattice misfit[J]. MATERIALS LETTERS,2021,284:4.
APA Liu, Xingjun.,Chen, Zhongfeng.,Chen, Yuechao.,Yang, Shuiyuan.,Pan, Yunwei.,...&Wang, Cuiping.(2021).Multicomponent Co-Ti-based superalloy with high solvus temperature and low lattice misfit.MATERIALS LETTERS,284,4.
MLA Liu, Xingjun,et al."Multicomponent Co-Ti-based superalloy with high solvus temperature and low lattice misfit".MATERIALS LETTERS 284(2021):4.
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