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Journal of Materials Engineering and Performance

Erschienen in:

08.02.2016

Hot Deformation Characteristics and Processing Maps of the Cu-Cr-Zr-Ag Alloy

verfasst von: Yi Zhang, Zhe Chai, Alex A. Volinsky, Huili Sun, Baohong Tian, Ping Liu, Yong Liu

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 3/2016

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Abstract:

The hot deformation behavior of the Cu-Cr-Zr-Ag alloy has been investigated by hot compressive tests in the 650-950 °C temperature and 0.001-10 s⁻¹ strain rate ranges using Gleeble-1500D thermo-mechanical simulator. The microstructure evolution of the alloy during deformation was characterized using optical and transmission electron microscopy. The flow stress decreases with the deformation temperature and increases with the strain rate. The apparent activation energy for hot deformation of the alloy was 343.23 kJ/mol. The constitutive equation of the alloy based on the hyperbolic-sine equation was established to characterize the flow stress as a function of the strain rate and the deformation temperature. The processing maps were established based on the dynamic material model. The optimal processing parameters for hot deformation of the Cu-Cr-Zr-Ag alloy are 900-950 °C and 0.001-0.1 s⁻¹ strain rate. The evolution of DRX microstructure strongly depends on the deformation temperature and the strain rate.

Vorheriger Artikel Microstructure and Texture Evolution in Cold Rotary Forging of Spur Bevel Gears of 20CrMnTi Alloy Steel

Nächster Artikel Microstructure, Mechanical Properties, and Texture Evolution of Aluminum Alloy 7005 by Accumulative Roll Bonding

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Titel: Hot Deformation Characteristics and Processing Maps of the Cu-Cr-Zr-Ag Alloy
verfasst von: Yi Zhang
Zhe Chai
Alex A. Volinsky
Huili Sun
Baohong Tian
Ping Liu
Yong Liu
Publikationsdatum: 08.02.2016
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 3/2016
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-016-1937-3

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