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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
发表期刊MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
卷号689页码:435-445
摘要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.; 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.
部门归属[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
关键词We43 Alloy Pre-deformation Dislocation Deformation Twin Precipitation Strengthening Twin Boundary Strengthening
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National 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]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78223
专题中国科学院金属研究所
通讯作者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.
推荐引用方式
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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