High speed dynamic deformation of polysynthetic twinned titanium aluminide intermetallic compound
文献类型:期刊论文
作者 | Yang, G1; Du, K1; Xu, DS; Xie, H1; Li, WQ; Liu, DM; Qi, Y3; Ye, HQ |
刊名 | ACTA MATERIALIA
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出版日期 | 2018-06-15 |
卷号 | 152页码:269-277 |
关键词 | TiAl Dynamic deformation Twins Shear banding Dislocations |
ISSN号 | 1359-6454 |
DOI | 10.1016/j.actamat.2018.04.037 |
英文摘要 | Impact deformed TiAI polysynthetic twinned crystal was investigated by scanning and transmission electron microscopy including aberration-corrected scanning transmission electron microscopy. Shear bands, deformation twins and dislocations were observed in gamma-TiAI phase. Deformation twins were identified on both primary (11 (1) over bar) and secondary (1 (11) over bar) twin planes, and dislocation structures were resolved on the coherent [111] twin boundaries. Among them, 1/6 < 211] pseudo-twin dislocations were observed on the coherent twin boundaries co-existing with 1/2 < 101] super-partial dislocations. Two types of shear bands were identified, one was composed of (11 (1) over bar) twin lamellae inclined to the propagation direction of shear bands, while the other was composed of curved (1 (11) over bar) twin lamellae and its propagation is nearly parallel to the (1 (11) over bar) twin plane. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
学科主题 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
语种 | 英语 |
WOS记录号 | WOS:000436650600026 |
源URL | [http://ir.imr.ac.cn/handle/321006/80152] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
作者单位 | 1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China 2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China 3.Chinese Acad Sci, Div Titanium Alloys, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China 4.Northeastern Univ, Dept Mat Phys & Chem, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, G,Du, K,Xu, DS,et al. High speed dynamic deformation of polysynthetic twinned titanium aluminide intermetallic compound[J]. ACTA MATERIALIA,2018,152:269-277. |
APA | Yang, G.,Du, K.,Xu, DS.,Xie, H.,Li, WQ.,...&Ye, HQ.(2018).High speed dynamic deformation of polysynthetic twinned titanium aluminide intermetallic compound.ACTA MATERIALIA,152,269-277. |
MLA | Yang, G,et al."High speed dynamic deformation of polysynthetic twinned titanium aluminide intermetallic compound".ACTA MATERIALIA 152(2018):269-277. |
入库方式: OAI收割
来源:金属研究所
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