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Interactions between dislocations and twins in deformed titanium aluminide crystals
Yang, Guang1,2; Ma, Shang-Yi2; Du, Kui2; Xu, Dong-Sheng3; Chen, Sen1,2; Qi, Yang4; Ye, Heng-Qiang1,2
Corresponding AuthorDu, Kui(kuidu@imr.ac.cn)
2019-03-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:3Pages:402-408
AbstractUsing scanning, transmission electron microscopy and aberration-corrected scanning transmission electron microscopy, we have studied the interactions between dislocations and twins in impact deformed polysynthetic twinned TiAl crystal. The 1/3 < 1<(11)over bar>] and 1/6 < 211] step dislocations on coherent twin boundaries reveal the interactions of glissile 1/2 <101> dislocations with the coherent twin boundaries. An abnormal stacking fault was found adjacent to the coherent twin boundary. It has the same stacking sequence but different atom species in the [(1) over bar 10] direction with an additional displacement of 1/4[(1) over bar 10] in two neighboring {111} layers, and is likely induced by the slip of a 1/12[112] (i.e. 1/4[(1) over bar 10] + 1/6[2 (1) over bar1]) dislocation. (C) 2018 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordTiAl Dynamic deformation Twins Dislocations Abnormal stacking fault
Funding OrganizationNational Natural Science Foundation of China ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; National Key Research and Development Plan ; Fundamental Research Fund for the Central Universities
DOI10.1016/j.jmst.2018.09.031
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51390473] ; National Natural Science Foundation of China[51771203] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; National Key Research and Development Plan[2016YFB0701304] ; Fundamental Research Fund for the Central Universities[N140108001]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000454506800023
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130964
Collection中国科学院金属研究所
Corresponding AuthorDu, Kui
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Div Titanium Alloys, Shenyang 110016, Liaoning, Peoples R China
4.Northeastern Univ, Sch Mat Sci & Engn, Dept Mat Phys & Chem, Shenyang 110819, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Yang, Guang,Ma, Shang-Yi,Du, Kui,et al. Interactions between dislocations and twins in deformed titanium aluminide crystals[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(3):402-408.
APA Yang, Guang.,Ma, Shang-Yi.,Du, Kui.,Xu, Dong-Sheng.,Chen, Sen.,...&Ye, Heng-Qiang.(2019).Interactions between dislocations and twins in deformed titanium aluminide crystals.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(3),402-408.
MLA Yang, Guang,et al."Interactions between dislocations and twins in deformed titanium aluminide crystals".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.3(2019):402-408.
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