scholarly journals Effect of heat treatments on the microstructures and tensile properties of an ultrafine-grained Al-Zn-Mg alloy processed by ECAP

2018 ◽  
Vol 749 ◽  
pp. 567-574 ◽  
Author(s):  
Mohamed A. Afifi ◽  
Ying Chun Wang ◽  
Pedro Henrique R. Pereira ◽  
Yi Huang ◽  
Yangwei Wang ◽  
...  
Keyword(s):  
Tensile Properties ◽  
Heat Treatments ◽  
Mg Alloy ◽  
Ultrafine Grained

Effect of heat treatments on the microstructure of an ultrafine-grained Al-Zn-Mg alloy produced by powder metallurgy

2017 ◽  
Vol 685 ◽  
pp. 71-78 ◽  
Author(s):  
H. Queudet ◽  
S. Lemonnier ◽  
E. Barraud ◽  
J. Ghanbaja ◽  
N. Allain ◽  
...  
Keyword(s):  
Powder Metallurgy ◽  
Heat Treatments ◽  
Mg Alloy ◽  
Ultrafine Grained

Investigations on Microstructure Evolution and Deformation Behavior of Aged and Ultrafine Grained Al-Zn-Mg Alloy Subjected to Severe Plastic Deformation

2010 ◽  
Vol 667-669 ◽  
pp. 253-258
Author(s):  
Wei Ping Hu ◽  
Si Yuan Zhang ◽  
Xiao Yu He ◽  
Zhen Yang Liu ◽  
Rolf Berghammer ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Mechanical Properties ◽  
Plastic Deformation ◽  
Grain Size ◽  
Severe Plastic Deformation ◽  
Microstructure Evolution ◽  
Deformation Behavior ◽  
Deformation Mechanisms ◽  
Mg Alloy ◽  
Ultrafine Grained

An aged Al-5Zn-1.6Mg alloy with fine η' precipitates was grain refined to ~100 nm grain size by severe plastic deformation (SPD). Microstructure evolution during SPD and mechanical behaviour after SPD of the alloy were characterized by electron microscopy and tensile, compression as well as nanoindentation tests. The influence of η' precipitates on microstructure and mechanical properties of ultrafine grained Al-Zn-Mg alloy is discussed with respect to their effect on dislocation configurations and deformation mechanisms during processing of the alloy.

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