The Recovery Behavior of AZ31B Magnesium Alloy Stimulated by Electropulsing Treatment and Heat Treatment

被引：2
作者：
Zhang, Meng [1 ,2 ,3 ]
Wang, Wenyang [1 ,2 ,3 ]
Zhang, Jianhai [1 ,2 ,3 ]
Liu, Changyi [4 ]
Wang, Zhaoxin [1 ,2 ,3 ]
Wan, Jie [1 ,2 ,3 ]
Zhao, Hongwei [1 ,2 ,3 ]
机构：
[1] Minist Educ, Key Lab CNC Equipment Reliabil, Changchun 130025, Peoples R China
[2] Jilin Univ, Sch Mech & Aerosp Engn, Changchun 130025, Peoples R China
[3] Chongqing Res Inst Jilin Univ, Chongqing 401120, Peoples R China
[4] Jilin Univ, Key Lab Bion Engn, Minist Educ, Changchun 130025, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2022年 / 31卷 / 10期
基金：
中国国家自然科学基金;
关键词：
AZ31B magnesium alloy; electropulsing treatment; heat treatment; recovery behavior; MECHANICAL-PROPERTIES; DEFORMATION-BEHAVIOR; SHEET; FORMABILITY; DISLOCATIONS; PLASTICITY;
D O I：
10.1007/s11665-022-06867-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A recovery-annealing method of AZ31B magnesium alloy treated by electropulsing is applied in two-stage plastic deformation, and a comparative study on the recovery behavior stimulated by electropulsing treatment (EPT) and heat treatment (HT) is investigated. The microstructure, mechanical properties, and recovery process are evaluated, and then the mechanisms for the effect of pulse current are discussed. The results show that EPT is feasible as a recovery-annealing method. The reduced dislocation density implies its positive effect on dislocation mobility and annihilation which mainly accounts for the efficient results in the recovery under EPT. Moreover, EPT appears more efficient in the recovery than HT and the recovery kinetics intensifies by EPT. The model of recovery kinetics under EPT is proposed, and it is used to predict the flow stress in two-stage plastic deformation.
引用
收藏
页码：8346 / 8354
页数：9
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