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Deformation twinning with zero macroscopic strain in a coarse-grained Ni-Co-based superalloy
Y. J. Xu; K. Du; C. Y. Cui; H. Q. Ye
2014
Source PublicationScripta Materialia
ISSN1359-6462
Volume77Pages:71-74
AbstractMacroscopically zero-strained twin lamellae are observed in a coarse-grained Ni-Co-based superalloy after plastic deformation. The twin lamellae presented as three layers of overlapping stacking faults with zero overall Burgers vector. The atomic stacking sequence in the twin lamellae is consistent with pairs of parallel stacking faults at neighboring or next-neighboring glide planes. The twinning is facilitated by the low stacking fault energy of the superalloy and the lengthening of stacking faults by shear stress from nearby stacking faults. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[xu, y. j. ; du, k. ; ye, h. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [cui, c. y.] chinese acad sci, inst met res, superalloys div, shenyang 110016, peoples r china. ; du, k (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; kuidu@imr.ac.cn
KeywordDeformation Twin Zero Strain Stacking Fault Superalloy Molecular-dynamics Simulation NanocrystAlline Al Formation Mechanism Disk Superalloys Metals Twins Crystals Strength
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72947
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. J. Xu,K. Du,C. Y. Cui,et al. Deformation twinning with zero macroscopic strain in a coarse-grained Ni-Co-based superalloy[J]. Scripta Materialia,2014,77:71-74.
APA Y. J. Xu,K. Du,C. Y. Cui,&H. Q. Ye.(2014).Deformation twinning with zero macroscopic strain in a coarse-grained Ni-Co-based superalloy.Scripta Materialia,77,71-74.
MLA Y. J. Xu,et al."Deformation twinning with zero macroscopic strain in a coarse-grained Ni-Co-based superalloy".Scripta Materialia 77(2014):71-74.
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