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Study on distribution of long-period stacking ordered phase in Mg-Gd-Y-Zn-Zr alloy using friction stir processing
Q.; Xiao Yang, B. L.; Wang, D.; Zheng, M. Y.; Ma, Z. Y.
2015
Source PublicationMaterials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN0921-5093
Volume626Pages:275-285
AbstractFriction stir processing (FSP) was applied to Mg-Gd-Y-Zn-Zr casting at various process parameters to study the influence of heat and deformation conditions on the distribution of long-period stacking ordered (LPSO) phase. FSP resulted in grain refinement, fundamental elimination of beta-Mg3RE eutectics and formation of LPSO phase. Various distributions of LPSO phase, including no LPSO phase, LPSO phase both at the grain boundaries and within the grains and LPSO phase only within the grains could be obtained after FSP at the investigated process parameters. Based on the microstructure analyses and formation mechanism of LPSO phase, this varied distribution is believed to be caused by the combined influence of temperature, plastic strain and cooling rate. Detailed influence of these factors on the distribution of LPSO phase was discussed. (C) 2014 Elsevier B.V. All rights reserved.
description.department[yang, q. ; xiao, b. l. ; wang, d. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [zheng, m. y.] harbin inst technol, sch mat sci & engn, harbin 150001, peoples r china. ; xiao, bl (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; blxiao@imr.ac.cn ; zyma@imr.ac.cn
KeywordFriction Stir Processing Magnesium Alloys Microstructure Long-period Stacking Ordered Structure Mechanical-properties Heat-treatment Microstructure Evolution Thermal History Material Flow Welding Tool Fem Model As-cast 773 k Aluminum
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74003
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q.,Xiao Yang, B. L.,Wang, D.,et al. Study on distribution of long-period stacking ordered phase in Mg-Gd-Y-Zn-Zr alloy using friction stir processing[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2015,626:275-285.
APA Q.,Xiao Yang, B. L.,Wang, D.,Zheng, M. Y.,&Ma, Z. Y..(2015).Study on distribution of long-period stacking ordered phase in Mg-Gd-Y-Zn-Zr alloy using friction stir processing.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,626,275-285.
MLA Q.,et al."Study on distribution of long-period stacking ordered phase in Mg-Gd-Y-Zn-Zr alloy using friction stir processing".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 626(2015):275-285.
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