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Effect of pre-deformation on microstructure and mechanical properties of WE43 magnesium alloy
Kang, Y. H.; Wang, X. X.; Zhang, N.; Yan, H.; Chen, R. S.; Yan, H; Chen, RS (reprint author), Chinese Acad Sci, Inst Met Res, Grp Magnesium Alloys & Their Applicat, 62 Wencui Rd, Shenyang 110016, Peoples R China.; Chen, RS (reprint author), Aero Engine Corp China, Shenyang Liming Aero Engine Grp Corp, Shenyang 110043, Peoples R China.
2017-03-24
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume689Pages:435-445
AbstractThe effect of cold plastic deformation by multi-directional forging prior to artificial aging treatment on the microstructure and mechanical properties of WE43 alloy was investigated. The results show that the pre deformation produced high density of dislocations and deformation twins. After peak-aging treatment at 200 degrees C, the pre-deformation reduced the average size of fine beta '' and beta ' precipitates and promoted the formation of Pi phase. Additionally, spheroid shaped precipitates formed at twin boundaries and the deformation twins were thermally stable during the aging treatment. Mechanical properties reveal that the tensile yield and ultimate strength is significantly enhanced from 191 +/- 3 MPa to 270 +/- 15 MPa and 278 +/- 5 MPa to 320 +/- 18 MPa, respectively.; The effect of cold plastic deformation by multi-directional forging prior to artificial aging treatment on the microstructure and mechanical properties of WE43 alloy was investigated. The results show that the pre deformation produced high density of dislocations and deformation twins. After peak-aging treatment at 200 degrees C, the pre-deformation reduced the average size of fine beta '' and beta ' precipitates and promoted the formation of Pi phase. Additionally, spheroid shaped precipitates formed at twin boundaries and the deformation twins were thermally stable during the aging treatment. Mechanical properties reveal that the tensile yield and ultimate strength is significantly enhanced from 191 +/- 3 MPa to 270 +/- 15 MPa and 278 +/- 5 MPa to 320 +/- 18 MPa, respectively.
description.department[kang, y. h. ; yan, h. ; chen, r. s.] chinese acad sci, inst met res, grp magnesium alloys & their applicat, 62 wencui rd, shenyang 110016, peoples r china ; [kang, y. h.] univ chinese acad sci, beijing 100049, peoples r china ; [wang, x. x. ; zhang, n. ; chen, r. s.] aero engine corp china, shenyang liming aero engine grp corp, shenyang 110043, peoples r china
KeywordWe43 Alloy Pre-deformation Dislocation Deformation Twin Precipitation Strengthening Twin Boundary Strengthening
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51601193, 51531002, 51301173]; National Key Research and Development Program of China [2016YFB0301104]; National Basic Research Program of China (973 Program) [2013CB632202]
Indexed BySCI
Language英语
WOS IDWOS:000397698600048
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78223
Collection中国科学院金属研究所
Corresponding AuthorYan, H; Chen, RS (reprint author), Chinese Acad Sci, Inst Met Res, Grp Magnesium Alloys & Their Applicat, 62 Wencui Rd, Shenyang 110016, Peoples R China.; Chen, RS (reprint author), Aero Engine Corp China, Shenyang Liming Aero Engine Grp Corp, Shenyang 110043, Peoples R China.
Recommended Citation
GB/T 7714
Kang, Y. H.,Wang, X. X.,Zhang, N.,et al. Effect of pre-deformation on microstructure and mechanical properties of WE43 magnesium alloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,689:435-445.
APA Kang, Y. H..,Wang, X. X..,Zhang, N..,Yan, H..,Chen, R. S..,...&Chen, RS .(2017).Effect of pre-deformation on microstructure and mechanical properties of WE43 magnesium alloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,689,435-445.
MLA Kang, Y. H.,et al."Effect of pre-deformation on microstructure and mechanical properties of WE43 magnesium alloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 689(2017):435-445.
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