Room temperature static recrystallization phenomenon in a deformed Mg96.6Zn1Y2.2Zr0.2 alloy

被引：2

作者：

Peng, Zhen-Zhen ^{[1
]}

Zhao, Heng-Hu ^{[1
]}

Hao, Yi-Fei ^{[1
]}

Liang, Zhi-Min ^{[1
]}

Wang, Li -Wei ^{[1
]}

Shao, Xiao-Hong ^{[2
]}

Wang, Dian -Long ^{[1
]}

机构：

[1] Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Hebei Key Lab Mat Near Net Forming Technol, Shijiazhuang 050018, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

来源：

SCRIPTA MATERIALIA | 2023年 / 237卷

基金：

中国国家自然科学基金;

关键词：

Magnesium alloy; Static recrystallization (SRX); Room temperature; Twin; Dislocation; DYNAMIC RECRYSTALLIZATION; DEFORMATION MECHANISMS; PLASTIC-DEFORMATION; STACKING-FAULTS; MG; MAGNESIUM; STEEL; HOT;

D O I：

10.1016/j.scriptamat.2023.115708

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Room temperature static recrystallization phenomenon was observed in a deformed magnesium alloy (solid solution Mg96.6Zn1Y2.2Zr0.2 (at.%)), which was compressed at room temperature to a strain of 31.6% and placed naturally for 62 months. By characterizing the microstructure before and after natural placement with transmission electron microscopy, it was determined that the recrystallization mechanism was associated with the activation of a significant number of {1012} twins and (a) or (c + a) dislocations during the compression process, as well as the hindrance to dislocations of twin boundaries and stacking faults that were enriched with solute elements. These findings not only demonstrate that static recrystallization can occur at low strains and low temperatures over extended periods for some alloys, but also emphasize the importance of monitoring the microstructure and properties of the cold -worked alloys during long-term service without heat treatment.

引用

页数：6

共 32 条

[1] Strain dependency of dynamic recrystallization during thermomechanical processing of Mg-Gd-Y-Zn-Zr alloy [J].