کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5451724 | 1398554 | 2016 | 17 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of Twin Boundary-Dislocation-Solute Interaction on Detwinning in a Mg-3Al-1Zn Alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
شیمی مواد
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چکیده انگلیسی
In the present study, the influence of solute atoms together with dislocations at {101¯2} twin boundary (TB) on mechanical behavior of a detwinning predominant deformation in a Mg alloy AZ31 plate was systematically studied. The results show that a large number of {101¯2} twins disappear during recompression along the normal direction. Both the TB-dislocation interaction and TB-solute-dislocation interaction can greatly enhance the yield stress of the recompression along the normal direction (ND). However, the solute segregation at {101¯2} TBs with an intensive interaction with dislocations cannot further enhance the yield stress of ND recompression. The samples with TB-dislocation interaction show a similar working hardening performance with that subjected to a TB-solute-dislocation interaction. Both the TB-dislocation interaction and TB-solute-dislocation interaction greatly reduce the value of work hardening peaks during a detwinning predominant deformation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Materials Science & Technology - Volume 32, Issue 12, December 2016, Pages 1239-1244
Journal: Journal of Materials Science & Technology - Volume 32, Issue 12, December 2016, Pages 1239-1244
نویسندگان
Jing Xu, Bo Guan, Huihui Yu, Xuezhen Cao, Yunchang Xin, Qing Liu,