Title:
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Texture analysis in ultrafine grained coppers processed by equal channel angular pressing
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Author:
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Higuera Cobos, Oscar Fabián; Cabrera Marrero, José M.
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Other authors:
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Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. PROCOMAME - Processos de Conformació de Materials Metàl·lics |
Abstract:
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Electrolytic tough pitch (ETP) and fire refined high conductivity (FRHC) copper samples were
severely deformed at room temperature by equal channel angular pressing (ECAP) up to 16 passes
(
ε
~
1
per pass), following route Bc. The effect of the initial texture on the evolution of texture after the
ECAP process for both materials was analyzed. The annealed materials present a marked anisotropy,
with a texture controlled by the <110> fiber. According to the orientation distribution function (ODF),
this initial behavior allows the presence of a strong C ({001} <110>) component after the first two
ECAP passes in both coppers. However in the second pass the C component significantly increases in
the FRHC copper, whereas the ETP copper presents a much more balanced behavior of the A
1
* (111)
[
11
2] and A
2
* (111)[11
2
] components. The textures obtained for both coppers after each ECAP
pass exhibit predominant orientations with continuous distributions along the orientation fiber with
simple shear texture. |
Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria dels materials -Copper -EBSD -Equal channel angular pressing (ECAP) -Texture -Metalls -Aliatges |
Rights:
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Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Document type:
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Article - Published version Article |
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