Microstructure evolution and texture development in a Cu-8.5%at. Al material subjected to hydrostatic extrusion

Dorota Jakubowska , Joanna Zdunek , Mariusz Kulczyk , Jarosław Mizera , Krzysztof Kurzydłowski


The aim of the present paper was to investigate microstructure and texture evolution of two single crystals and polycrystal of Cu-8.5%at.Al material. All of mentioned samples were deformed by HE to achieve true strain ϵ = 1.17. For microstructure analyzes observations by transmission electron microscope (STEM) were done. Crystalline size for samples after SPD were determine using XRD method. The global texture measurements were done using Bruker D8 Discover diffractometer equipped in Cr radiation. Microstructure investigations revealed nanocrystalline structure in single crystals with initial orientations <110> and <100> and polycrystalline Cu-8.5%at.Al material after SPD. The global texture measurements have shown the stability of initial orientation of <100> Cu-8.5%at.Al single crystal after HE, whereas the same SPD process strongly brakes up the orientation <110> Cu-8.5%at. Al single crystal.
Author Dorota Jakubowska ZPM
Dorota Jakubowska,,
- Division of Materials Design
, Joanna Zdunek ZPM
Joanna Zdunek,,
- Division of Materials Design
, Mariusz Kulczyk - Instytut Wysokich Ciśnień Polskiej Akademii Nauk (Instytut Wysokich Ciśnień Polskiej Akademii Nauk)
Mariusz Kulczyk,,
, Jarosław Mizera ZPM
Jarosław Mizera,,
- Division of Materials Design
, Krzysztof Kurzydłowski ZPM
Krzysztof Kurzydłowski,,
- Division of Materials Design
Journal seriesArchives of Metallurgy and Materials, ISSN 1733-3490
Issue year2016
Publication size in sheets0.5
Keywords in EnglishHydrostatic extrusion; Single crystal; Texture; XRD
Languageen angielski
Score (nominal)30
ScoreMinisterial score = 0.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 30.0, 28-11-2017, ArticleFromJournal
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