Model of Precipitation Hardening of Al – Mg – Si Alloys Under Aging

A model of precipitation hardening of an Al – Mg – Si alloy due to precipitation of several phases formed under different aging conditions is presented. The diameters of the precipitated particles and their relative contents are determined by the method of thermodynamic simulation. The characteristi...

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Bibliographic Details
Published inMetal science and heat treatment Vol. 61; no. 7-8; pp. 455 - 460
Main Authors Maeng, Hansol, Choi, Young, Lee, Seok-Jae
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2019
Springer
Springer Nature B.V
Subjects
Aging
Aging (metallurgy)
Alloys
Aluminum base alloys
Analysis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Computer simulation
Engineering Thermodynamics
Heat and Mass Transfer
Magnesium
Materials Science
Metallic Materials
Phases
Precipitation hardening
Silicon
model
aging
precipitation hardening
alloy of the Al – Mg – Si system
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Summary:A model of precipitation hardening of an Al – Mg – Si alloy due to precipitation of several phases formed under different aging conditions is presented. The diameters of the precipitated particles and their relative contents are determined by the method of thermodynamic simulation. The characteristics of the precipitated phases are allowed for, which raises the prediction accuracy. The rate of the precipitation of the β- and β′-phases is shown to increase with the aging time, and the rate of growth of their particles is shown to increase with the temperature.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-019-00445-8