Influence of heating rate on the recrystallization temperature of Al-Mg alloy

被引：8
作者：
Chen, Y. D. [1 ]
Dan, C. Y. [1 ,2 ]
Shi, Q. W. [2 ]
Jin, L. [2 ]
Liu, J. [2 ]
Chen, C. [3 ]
Li, C. [3 ]
Wang, H. W. [1 ]
Chen, Z. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
[3] COMAC Beijing Aircraft Technol Res Inst, Beijing Key Lab Civil Aircraft Struct & Composite, Beijing 102211, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 22卷
基金：
中国国家自然科学基金;
关键词：
Heating rates; Aluminum alloys; Recrystallization; Recovery; Texture; RECOVERY; ALUMINUM; ENHANCEMENT; DUCTILITY; STRENGTH;
D O I：
10.1016/j.jmrt.2022.12.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of low heating rates on recrystallization of Al-Mg alloys was investigated as a complement to the theory of recrystallization related to heating rates. Different from the recrystallization of Al-Mg alloy at high heating rates, the starting recrystallization tem-perature Ts at 5 degrees C/min was observed to be higher than that at 10-20 degrees C/min. Combined with previous studies, a three-stage evolution of Ts verse heating rates was first proposed. With the heating rate increasing, Ts decreases in the range of 5 degrees C/min to rc2, increases in the range of rc2 to rc, and finally decreases when heating rate is higher than rc. The evo-lution of Ts was discussed to be dominated by the competition between recovery and recrystallization. Massive consumption of stored energy would reduce the driving force of recrystallization, which leads to the delay of recrystallization at low heating rates. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码：2206 / 2211
页数：6
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