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Unravelling the local ring-like atomic pattern of twin boundary in an Mg-Zn-Y alloy
Shao, X. H.; Peng, Z. Z.; Jin, Q. Q.; Zhou, Y. T.; Zhang, B.; Zheng, S. J.; Chen, Q.; Ma, X. L.
2019-02-01
Source PublicationPHILOSOPHICAL MAGAZINE
ISSN1478-6435
Volume99Issue:3Pages:306-317
AbstractUnderstanding the interactions between deformation twins and plate-like phases in magnesium alloys is one of the key issues to tailor the microstructure of magnesium alloys for better mechanical properties. The {102} twin boundary with the local ring-like atomic pattern in magnesium alloy, accompanied by the interaction between deformation twin and solute atoms, has been investigated using aberration-corrected scanning transmission electron microscopy. We found that these boundaries featured local overlapping morphology near the intersection between deformation twins and stacking faults (SFs) enriched with solute atoms. The overlapping morphology is proposed to be induced by the asynchronous shuffling of the SFs and matrix during the twinning. The local ring-like atomic patterns shown here imply that the shearable specific SFs in magnesium alloys will increase twinning energy and resultantly hinder twinning propagation.
KeywordMagnesium alloy deformation twin long period stacking ordered (LPSO) phase stacking fault HAADF-STEM
Indexed BySCI
Language英语
WOS IDWOS:000454921400002
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81418
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Shao, X. H.,Peng, Z. Z.,Jin, Q. Q.,et al. Unravelling the local ring-like atomic pattern of twin boundary in an Mg-Zn-Y alloy[J]. PHILOSOPHICAL MAGAZINE,2019,99(3):306-317.
APA Shao, X. H..,Peng, Z. Z..,Jin, Q. Q..,Zhou, Y. T..,Zhang, B..,...&Ma, X. L..(2019).Unravelling the local ring-like atomic pattern of twin boundary in an Mg-Zn-Y alloy.PHILOSOPHICAL MAGAZINE,99(3),306-317.
MLA Shao, X. H.,et al."Unravelling the local ring-like atomic pattern of twin boundary in an Mg-Zn-Y alloy".PHILOSOPHICAL MAGAZINE 99.3(2019):306-317.
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