EFFECT OF ASYMMETRICAL ROLLING AND ANNEALING ON THE MECHANICAL RESPONSE OF AN AA1050-O SHEET

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The asymmetrical rolling process has been studied as a way to promote intense shear deformations across the sheet thickness. These shear deformations may lead, given the proper conditions, to the development of shear texture components ({001}< 110 >, {111}< 110 > and {111}< 112 >) and also grain refinement. In this work, a 1050-O sheet is asymmetrically rolled and annealed. Conventional rolling is also performed, for comparison purposes. Shear texture components are obtained for the asymmetrically rolled specimens, and seem to be retained after annealing. Differences in mechanical response between asymmetrical and conventionally rolled specimens, as well as texture evolution after heat treatment processing are inferred based on experimental tensile and shear tests. Numerical simulations are used to help explain the differences found on experiemental tests. It is proven that is is different to spread shear texture through the entire sheet thickness from a general asymmetric rolling process. Based on the fact, future research is discussed at closure.
Publisher
SPRINGER FRANCE
Issue Date
2009-08
Language
English
Article Type
Article
Citation

INTERNATIONAL JOURNAL OF MATERIAL FORMING, v.2, pp.891 - 894

ISSN
1960-6206
DOI
10.1007/s12289-009-0625-3
URI
http://hdl.handle.net/10203/203791
Appears in Collection
ME-Journal Papers(저널논문)
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