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Effects of TiB on the variant selection and spheroidization of secondary alpha phases at different cooling rates in TiB-TC25G composites
Sun, H.1,2; Zhao, Z. B.1; Wang, Q. J.1; Zhou, T. Y.1,2; Li, N.1,2; Liu, Y. H.1,2
Corresponding AuthorZhao, Z. B.(zbzhao@imr.ac.cn) ; Wang, Q. J.(qiwang@imr.ac.cn)
2021-06-01
Source PublicationINTERMETALLICS
ISSN0966-9795
Volume133Pages:7
AbstractThe evolution of the texture and microstructure of TiB-TC25G composites, heat-treated in the high ?+? phase field, have been studied with different cooling rates. The present study found that the size of ? colonies and the thickness of individual secondary ? laths increased with decreasing cooling rates. Slow cooling induces the formation of equiaxed secondary ? grains in the ? matrix of TiB-TC25G composites. Attributed to the TiB, the intensity of ? texture in TiB-TC25G composites decreased with decreasing cooling rate, which is inconsistent with the results of variant selection during the ??? phase transformation in traditional titanium alloys. The misorientation analysis suggested that some of the equiaxed secondary ? grains do not follow the Burgers orientation relationship (BOR) with the parent ? grain. In this study, the role of TiB in influencing variant selection and the morphology of the secondary ? phase with different cooling rates were analyzed.
KeywordTitanium matrix composites Microstructure EBSD Texture
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association CAS
DOI10.1016/j.intermet.2021.107176
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51801213] ; Youth Innovation Promotion Association CAS[2020193]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000640905900001
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162289
Collection中国科学院金属研究所
Corresponding AuthorZhao, Z. B.; Wang, Q. J.
Affiliation1.Chinese Acad Sci, Shi Changxu Innovaton Ctr Adv Mat, Inst Met Res, 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, H.,Zhao, Z. B.,Wang, Q. J.,et al. Effects of TiB on the variant selection and spheroidization of secondary alpha phases at different cooling rates in TiB-TC25G composites[J]. INTERMETALLICS,2021,133:7.
APA Sun, H.,Zhao, Z. B.,Wang, Q. J.,Zhou, T. Y.,Li, N.,&Liu, Y. H..(2021).Effects of TiB on the variant selection and spheroidization of secondary alpha phases at different cooling rates in TiB-TC25G composites.INTERMETALLICS,133,7.
MLA Sun, H.,et al."Effects of TiB on the variant selection and spheroidization of secondary alpha phases at different cooling rates in TiB-TC25G composites".INTERMETALLICS 133(2021):7.
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