MICROSTRUCTURE EVOLUTION OF THE HOT-ROLLED MODIFIED AA 5083 ALLOYS DURING THE TWO STAGE THERMAL TREATMENT

被引：0

作者：

Radetic, Tamara ^{[1
]}

Popovic, Miljana ^{[1
]}

Romhanji, Endre ^{[1
]}

Milovic, Branislava ^{[2
]}

Dodok, Radomir ^{[2
]}

机构：

[1] Univ Belgrade, Fac Technol & Met, Dept Met Engn, Karnegijeva 4, Belgrade, Serbia

[2] IMPOL SEVAL Rolling Mill, Prvomajska Bb, Sevojno, Serbia

来源：

METALLURGICAL & MATERIALS ENGINEERING-ASSOCIATION OF METALLURGICAL ENGINEERS OF SERBIA | 2011年 / 17卷 / 01期

关键词：

Al alloys; pancake structure; continuous recrystallization;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The effects of the two stage heat treatment on the structure of two hot-rolled 5083 aluminum alloys without and with 0.12% Zr addition were investigated. Combination of the metallographic and transmission electron microscopy (TEM) was carried on in order characterize grain structure as well as precipitates type and morphology. During the homogenization annealing recovery processes and grain structure polygonization were accomplished. Further annealing at the 460 degrees C had little effect on the grain morphology. Two populations of the Mn-based secondary phases were identified: coarser particles containing Fe, while the Mn particles alloyed with Cr were finer. Zr did not precipitate in a form of the fine, coherent precipitate. However, in the alloy containing Zr the recovery appear to be easier and more advanced than in the other alloy.

引用

页码：41 / 47

页数：7

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