Microstructure Evolution in an Al-Cu-Mg-Ag Alloy during ECAP at 300°C

Marat Gazizov; Rustam Kaibyshev

doi:10.4028/www.scientific.net/AMR.409.41

Paper Titles

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Al-Li Alloy 2099-T83 Extrusions: Static Mechanical Properties, Microstructure and Texture
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Effect of Grain Refinement on Residual Strain and Hot Tearing in B206 Aluminum Alloy
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Microstructure Evolution in an Al-Cu-Mg-Ag Alloy during ECAP at 300°C
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Analysis on Behavior of Hydrogen in Ion-Plated Pure Aluminum
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The Ca-Rich Corner of the Al-Ca-Zn System
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Rheo-Extrusion of Hypereutectic Al-14.8Si-4.5Cu-1.1Mg Alloy
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Aging Behavior of Al-Mg-Ge Alloys with Different Mg₂Ge Contents
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Microstructure Evolution in an Al-Cu-Mg-Ag Alloy during ECAP at 300°C

Abstract:

A novel Al-Cu-Mg-Ag alloy with small additions of zirconium and scandium was subjected to equal channel angular pressing (ECAP) by using route B_C at 300°C to strains ranging from ~1 to ~12. Initially, the alloy was subjected to solution treatment followed by water quenching; subsequent overageing was carried out at 380°C for 3 h. It was shown that continuous dynamic recrystallization (CDRX) occurs during ECAP resulting in partially recrystallized structure; at a total strain of ~12, the portion of high-angle boundaries (HAB) attains 50 pct., average misorientation is ~25°. Crystallites having elongated shape and an average size of ~1 μm are evolved after a total strain of ~12.

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Periodical:

Advanced Materials Research (Volume 409)

Pages:

41-46

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.409.41

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Online since:

November 2011

Authors:

Marat Gazizov, Rustam Kaibyshev

Keywords:

Al-Cu-Mg-Ag Alloy, Continuous Dynamic Recrystallization, Equal-Channel Angular Pressing (ECAP)

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