Analysis of age hardening precipitates of Al-Zn-Mg-Cu alloys in a wide range of quenching rates using small angle X-ray scattering

Zhang, Y, Pelliccia, D, Milkereit, B, Kirby, N, Starink, M and Rometsch, P 2018, 'Analysis of age hardening precipitates of Al-Zn-Mg-Cu alloys in a wide range of quenching rates using small angle X-ray scattering', Materials and Design, vol. 142, pp. 259-267.


Document type: Journal Article
Collection: Journal Articles

Title Analysis of age hardening precipitates of Al-Zn-Mg-Cu alloys in a wide range of quenching rates using small angle X-ray scattering
Author(s) Zhang, Y
Pelliccia, D
Milkereit, B
Kirby, N
Starink, M
Rometsch, P
Year 2018
Journal name Materials and Design
Volume number 142
Start page 259
End page 267
Total pages 9
Publisher Eslevier
Abstract The volume fraction of age hardening precipitates upon peak ageing after different quenching rates has been studied for five Al-Zn-Mg-Cu alloys using small angle X-ray scattering (SAXS) and transmission electron microscopy (TEM). The rate of change in volume fraction of the eta' age hardening precipitates as a function of cooling rate was used to evaluate changes in the degree of solute supersaturation, and hence the quench sensitivity of the Al-Zn-Mg-Cu alloys. The results demonstrate that the amount of eta', age hardening precipitates can be changed by varying the thermomechanical processing history or the alloy compositions. It was found that the volume fraction of age hardening eta' precipitates in Al-Zn-Mg-Cu alloys increases with increasing cooling rates and increasing Mg content as well as that the size of eta' precipitates is related to the Cu/Mg ratio.
Subject Materials Engineering not elsewhere classified
Manufacturing Engineering not elsewhere classified
Mechanical Engineering not elsewhere classified
Keyword(s) Age hardening precipitates
Al-Zn-Mg-Cu alloys
Quench sensitivity
Small angle X-ray scattering
Volume fraction
DOI - identifier 10.1016/j.matdes.2018.01.037
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 0264-1275
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 9 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 0 times in Scopus Article
Altmetric details:
Access Statistics: 14 Abstract Views  -  Detailed Statistics
Created: Tue, 26 Mar 2019, 09:36:00 EST by Catalyst Administrator
© 2014 RMIT Research Repository • Powered by Fez SoftwareContact us