Microstructural modeling of the homogenization heat treatment for AA3XXX alloys

被引：12

作者：

Du, Qiang ^{[1
]}

Poole, Warren J. ^{[1
]}

Wells, Mary A. ^{[2
]}

Parson, Nick ^{[3
]}

机构：

[1] Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 1Z4, Canada

[2] Univ Waterloo, Dept Mech & Mechatron Engn, Waterloo, ON N2L 3G1, Canada

[3] Rio Tinto Alcan, Jonquiere, PQ G7S 4L2, Canada

来源：

JOM | 2011年 / 63卷 / 07期

基金：

加拿大自然科学与工程研究理事会;

关键词：

CAST AA3003 ALLOY; MULTICOMPONENT ALLOYS; PRECIPITATION; SOLIDIFICATION; DIFFUSION; BEHAVIOR; GROWTH;

D O I：

10.1007/s11837-011-0107-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructure evolution during homogenization of AA3XXX alloys involves i) the reduction in the microsegregation formed during solidification, ii) the nucleation, growth and coarsening of intra-granular dispersoids, and iii) the growth/dissolution of inter-granular constituent particles. A model that is able to simulate these phenomena and their interaction has been developed recently. It features fully coupling with CALPHAD software. In this paper, the homogenization model is introduced and its predictive power is demonstrated by successfully reproducing experimentally measured microstructure features for an industrial extrusion alloy (AA3003). As such, the model represents a valuable tool for optimizing the design of industrial AA3XXX alloy homogenization heat treatment parameters.

引用

页码：35 / 39

页数：5

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