Recrystallization during hot deformation of aluminium

被引：34

作者：

Gourdet, S ^{[1
]}

Konopleva, EV ^{[1
]}

McQueen, HJ ^{[1
]}

Montheillet, F ^{[1
]}

机构：

[1] CONCORDIA UNIV, DEPT MECH ENGN, MONTREAL, PQ H3G 1M8, CANADA

来源：

ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3 | 1996年 / 217卷

关键词：

continuous dynamic recrystallization; geometric dynamic recrystallization; low-angle boundary; high-angle boundary; subgrain; high temperature; large strain; compression;

D O I：

10.4028/www.scientific.net/MSF.217-222.441

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Uniaxial compression tests were carried out at epsilon = 10(-2) s(-1) and T = 0.7 T-m to epsilon = 1.5 on 1199 Al (99.99%) single and polycrystals, and 1200 Al (99.5%) polycrystals. The deformed microstructures were then investigated by optical and scanning electron microscopy, and electron back-scattered diffraction. Continuous dynamic recrystallization (CDRX), i.e., the transformation of subgrain into grain boundaries was brought into evidence in the single crystal experiments, whereas both CDRX and geometric dynamic recrystallization (GDRX), i.e., the flattening and fragmentation of the initial grains, operate simultaneously in polycrystals.

引用

页码：441 / 446

页数：6

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