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Effect of cyclic beta annealing on phase evolution and lamellar boundary characteristics at surface and subsurface layers of Ti-6Al-4V alloy
Ali, Muhammad1,2; Li, Geping1; Yuan, Fusen1,2; Han, Fuzhou1,2; Zhang, Yingdong1,2; Liu, Chengze1,2; Guo, Wenbin1,2; Ren, Jie1,2; Gu, Hengfei1,3
Corresponding AuthorLi, Geping(gpli@imr.ac.cn)
2020-05-15
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume823Pages:9
AbstractThe evolution of beta phase and nature of alpha lamellar boundary in Ti-6Al-4V alloy were investigated by surface and subsurface quasi in situ EBSD measurements after repeated beta zone annealing. Multi-variant distribution of alpha lamellae within single prior beta grain matrix was also discussed. Oxygen desorption from alloy surface led to retention of 14% beta phase, which affected lamellar boundary misorientation characteristics. Fraction of sub-boundaries (misorientation angle < 5 degrees) substantially increased after the first surface reconstruction process. Boundary character involving considerable length fraction of Sigma 13b type interface characterised by 57.50 degrees/<11 (2) over bar0> was found after each thermal treatment, analogous to the formation of coherent twin boundaries originating from growth accidents. It was observed that, regardless of prior thermal treatment and surface or subsurface measurement, 53% of alpha/alpha interface length misoriented over a range of 55 degrees-65 degrees formed Sigma 13b type coincidence site lattice. (C) 2020 Elsevier B.V. All rights reserved.
KeywordTitanium alloys Retained beta phase Misorientation Electron backscatter diffraction Coincident site lattice
Funding OrganizationCAS-TWAS President Fellowship
DOI10.1016/j.jallcom.2020.153732
Indexed BySCI
Language英语
Funding ProjectCAS-TWAS President Fellowship
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000514857400001
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137523
Collection中国科学院金属研究所
Corresponding AuthorLi, Geping
Affiliation1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 96 Jinzhai Rd, Hefei 230026, Peoples R China
3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ali, Muhammad,Li, Geping,Yuan, Fusen,et al. Effect of cyclic beta annealing on phase evolution and lamellar boundary characteristics at surface and subsurface layers of Ti-6Al-4V alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2020,823:9.
APA Ali, Muhammad.,Li, Geping.,Yuan, Fusen.,Han, Fuzhou.,Zhang, Yingdong.,...&Gu, Hengfei.(2020).Effect of cyclic beta annealing on phase evolution and lamellar boundary characteristics at surface and subsurface layers of Ti-6Al-4V alloy.JOURNAL OF ALLOYS AND COMPOUNDS,823,9.
MLA Ali, Muhammad,et al."Effect of cyclic beta annealing on phase evolution and lamellar boundary characteristics at surface and subsurface layers of Ti-6Al-4V alloy".JOURNAL OF ALLOYS AND COMPOUNDS 823(2020):9.
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