Grain growth and β-Mg17Al12 intermetallic phase dissolution during heat treatment and its impact on deformation behavior of AZ80 Mg-alloy

Palai, P, Prabhu, N, Hodgson, PD and Kashyap, BP 2014, Grain growth and β-Mg17Al12 intermetallic phase dissolution during heat treatment and its impact on deformation behavior of AZ80 Mg-alloy, Journal of materials engineering and performance, vol. 23, no. 1, pp. 77-82, doi: 10.1007/s11665-013-0722-9.

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Title Grain growth and β-Mg17Al12 intermetallic phase dissolution during heat treatment and its impact on deformation behavior of AZ80 Mg-alloy
Author(s) Palai, P
Prabhu, N
Hodgson, PD
Kashyap, BP
Journal name Journal of materials engineering and performance
Volume number 23
Issue number 1
Start page 77
End page 82
Total pages 6
Publisher Springer
Place of publication Berlin, Germany
Publication date 2014-01
ISSN 1059-9495
1544-1024
Keyword(s) AZ80 magnesium alloy
Heat treatment
Microstructure
Strength asymmetry
Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
MECHANICAL ANISOTROPY
MAGNESIUM ALLOY
AZ31
ZN
AL
COMPRESSION
SHEET
TWINS
SIZE
Summary Microstructure evolution after solutionizing and ageing treatment of cast AZ80 Mg alloy were investigated using optical and scanning electron microscopy. Effect of these treatments on grain size, β-Mg17Al12 intermetallic phase, mechanical behavior, and flow asymmetry were investigated. The initial continuous network of β-phase found to be reduced after solutionizing. The dissolution of β-phase and simultaneous grain growth are found to be interrelated. Mechanical properties including yield strength, maximum strength (ultimate compressive strength), and maximum strain attainable in compressive found almost twice than the corresponding values obtained in tension. The asymmetry in compressive and tensile properties is found to decrease with grain size at certain solutionizing duration. Particular heat treatment found to offer best combination of tensile compressive flow properties in AZ80 Mg alloy. Aging under certain conditions found to minimize the strength asymmetry. © ASM International.
Language eng
DOI 10.1007/s11665-013-0722-9
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071734

Document type: Journal Article
Collection: Institute for Frontier Materials
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