Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review
Regulating precipitates is still an important issue in the development of high-strength Mg alloys, due to it determining the precipitation hardening effect. Cold deformation, as a simple and low-cost method, can remarkably influence the precipitate features. It is found that pre-cold deformation bef...
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MDPI AG
2019-08-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/12/16/2507 |
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doaj-cd6f7c653c1e4fa88cc863a9ae045de02020-11-25T00:56:29ZengMDPI AGMaterials1996-19442019-08-011216250710.3390/ma12162507ma12162507Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A ReviewBo Song0Jia She1Ning Guo2Risheng Qiu3Hucheng Pan4Linjiang Chai5Changlin Yang6Shengfeng Guo7Renlong Xin8School of Materials and Energy, Southwest University, Chongqing 400715, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaSchool of Materials and Energy, Southwest University, Chongqing 400715, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), College of Materials Science and Engineering, Northeastern University, Shenyang 110819, ChinaCollege of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400054, ChinaState Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Materials and Energy, Southwest University, Chongqing 400715, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaRegulating precipitates is still an important issue in the development of high-strength Mg alloys, due to it determining the precipitation hardening effect. Cold deformation, as a simple and low-cost method, can remarkably influence the precipitate features. It is found that pre-cold deformation before aging can be utilized to enhance the precipitation hardening effect of Mg alloys. Moreover, post-deformation after aging could be an effective method to regulate precipitation orientation. In this review, recent research on the regulation of precipitation behavior by cold deformation in Mg-Al, Mg-Zn, and Mg-RE (RE: rare-earth elements) alloy systems was critically reviewed. The changes in precipitate features and mechanical properties of peak-aged Mg alloys via cold deformation were summarized. The corresponding strengthening mechanisms were also discussed. Finally, further research directions in this field were proposed.https://www.mdpi.com/1996-1944/12/16/2507Mg alloysprecipitationcrystal defectscold deformationdislocationstwinsmechanical properties |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Bo Song Jia She Ning Guo Risheng Qiu Hucheng Pan Linjiang Chai Changlin Yang Shengfeng Guo Renlong Xin |
| spellingShingle |
Bo Song Jia She Ning Guo Risheng Qiu Hucheng Pan Linjiang Chai Changlin Yang Shengfeng Guo Renlong Xin Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review Materials Mg alloys precipitation crystal defects cold deformation dislocations twins mechanical properties |
| author_facet |
Bo Song Jia She Ning Guo Risheng Qiu Hucheng Pan Linjiang Chai Changlin Yang Shengfeng Guo Renlong Xin |
| author_sort |
Bo Song |
| title |
Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review |
| title_short |
Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review |
| title_full |
Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review |
| title_fullStr |
Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review |
| title_full_unstemmed |
Regulating Precipitates by Simple Cold Deformations to Strengthen Mg Alloys: A Review |
| title_sort |
regulating precipitates by simple cold deformations to strengthen mg alloys: a review |
| publisher |
MDPI AG |
| series |
Materials |
| issn |
1996-1944 |
| publishDate |
2019-08-01 |
| description |
Regulating precipitates is still an important issue in the development of high-strength Mg alloys, due to it determining the precipitation hardening effect. Cold deformation, as a simple and low-cost method, can remarkably influence the precipitate features. It is found that pre-cold deformation before aging can be utilized to enhance the precipitation hardening effect of Mg alloys. Moreover, post-deformation after aging could be an effective method to regulate precipitation orientation. In this review, recent research on the regulation of precipitation behavior by cold deformation in Mg-Al, Mg-Zn, and Mg-RE (RE: rare-earth elements) alloy systems was critically reviewed. The changes in precipitate features and mechanical properties of peak-aged Mg alloys via cold deformation were summarized. The corresponding strengthening mechanisms were also discussed. Finally, further research directions in this field were proposed. |
| topic |
Mg alloys precipitation crystal defects cold deformation dislocations twins mechanical properties |
| url |
https://www.mdpi.com/1996-1944/12/16/2507 |
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