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8 - Case Studies on Light Alloy Design

Published online by Cambridge University Press:  29 June 2023

Yong Du ,
Rainer Schmid-Fetzer ,
Jincheng Wang ,
Shuhong Liu ,
Jianchuan Wang  and
Zhanpeng Jin
Yong Du
Affiliation:
Central South University, China
Rainer Schmid-Fetzer
Affiliation:
Clausthal University of Technology, Germany
Jincheng Wang
Affiliation:
Northwestern Polytechnical University, China
Shuhong Liu
Affiliation:
Central South University, China
Jianchuan Wang
Affiliation:
Central South University, China
Zhanpeng Jin
Affiliation:
Central South University, China
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Summary

Chapter 8 focuses on the design of important Al- and Mg-based light alloys. Selected examples show how CALPHAD simulation tools can be used to understand and predict the effect of alloying elements and processing conditions on alloy properties and how to use that in the design of alloys. For Al alloys, two case study examples using the extended CALPHAD-type databases are demonstrated. For cast alloy A356 (Al–Si,Mg), the solidification simulation involving dedicated microsegregation modeling is presented. For the wrought alloy 7xxx (Al–Zn,Mg/Cu), elaborate heat treatment simulation with precipitation kinetics is the design tool. For Mg alloy structural components, simulations of solidification path and T6 heat treatment of AZ series (Mg–AlZn) and the development of Mg–Al–Sn-based (AT) cast alloys involving also microsegregation simulation are demonstrated. Finally, the design of biomedical Mg alloy implants utilizing the CALPHAD method and the state-of-the-art bioresorbable Mg alloy stent to cure coronary artery disease is presented.

Keywords

CALPHAD approachlight alloyssolidification simulationprecipitation simulationthermodynamic databasekinetic databaseheat treatment simulationmicrosegregation simulationhigh-throughput calculation
Type
Chapter
Information
Computational Design of Engineering Materials
Fundamentals and Case Studies
 , pp. 295 - 322
Publisher: Cambridge University Press
Print publication year: 2023

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