Effect of continuity of annealing time on the recrystallization behavior of Al-Mg-Mn-Sc-Zr alloy

被引：10
作者：
Jiang, Jingyu [1 ]
Jiang, Feng [1 ,2 ,3 ]
Zhang, Menghan [1 ]
Tang, Zhongqin [2 ]
Tong, Mengmeng [1 ]
机构：
[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China
[2] Cent South Univ, Light Alloy Res Inst, Changsha 410083, Peoples R China
[3] Cent South Univ, Natl Key Lab Sci & Technol Natl Def High Strength, Changsha 410083, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 275卷
关键词：
Metals and alloys; Recrystallization; Time continuity; Microstructure; Al-3(Sc; Zr); MECHANICAL-PROPERTIES; MICROSTRUCTURE;
D O I：
10.1016/j.matlet.2020.128208
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Recrystallization behavior of Al-Mg-Mn-Sc-Zr alloy have been studied after two different annealing ways. The one way is keeping the cold rolling plate of the alloy in 550 degrees C for a continuous time (CT). The other way is putting the alloy plate into the salt bath furnace at 550 degrees C for 10S then quenching it into water and repeating this process. The annealing time is discontinuous (DT). Results show that grains in the CT sample grow up with the increase of annealing time but the grains in the DT sample are still very fine. The recrystallization fraction of the CT sample increases with the rise of annealing time. However, in the DT sample, the recrystallization fraction is low. Much grains are maintained in substructure state. The recrystallization result is due to the pinning effect of the Al-3(Sc, Zr) particles. (C) 2020 Elsevier B.V. All rights reserved.
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页数：5
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