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The effect of twinning on dynamic recrystallization behavior of Mg-Gd-Y alloy during hot compression
Lu, S. H.; Wu, D.; Chen, R. S.; Han, En-hou
2019-09-30
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume803Pages:277-290
AbstractThe effects of twinning on the dynamic recrystallization (DRX) of the Mg-6.58Gd-5.7Y-0.55Zr alloy were investigated through uniaxial compression tests at 400 degrees C and 450 degrees C with an initial strain rate of 0.001-0.1 s(-1) and were characterized through optical microscopy (OM), scanning electron microscopy (SEM), electron back-scattering diffraction (EBSD) and transmission electron microscopy (TEM). At a relatively high strain rate, extension twins can mainly be activated during the initial stage of hot compression, and the subsequent DRX is closely related to the twin-twin and twin-dislocation interactions. The intersected twin boundaries of the extension twins from multiple twin variants may provide effective DRX sites and promote microstructure refinement. However, extension twins from a single twin variant pair may quickly grow, soon swallowing the matrix and decreasing the DRX efficiency. (C) 2019 Elsevier B.V. All rights reserved.
KeywordMg-Gd-Y alloy Hot compression Twinning DRX Schmid factor
Indexed BySCI
Language英语
WOS IDWOS:000476464900031
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80754
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Lu, S. H.,Wu, D.,Chen, R. S.,et al. The effect of twinning on dynamic recrystallization behavior of Mg-Gd-Y alloy during hot compression[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,803:277-290.
APA Lu, S. H.,Wu, D.,Chen, R. S.,&Han, En-hou.(2019).The effect of twinning on dynamic recrystallization behavior of Mg-Gd-Y alloy during hot compression.JOURNAL OF ALLOYS AND COMPOUNDS,803,277-290.
MLA Lu, S. H.,et al."The effect of twinning on dynamic recrystallization behavior of Mg-Gd-Y alloy during hot compression".JOURNAL OF ALLOYS AND COMPOUNDS 803(2019):277-290.
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