MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Ultimate Rolling Texture in Pure Aluminum Highly Deformed by Accumulative Roll Bonding: Taylor Orientation Formed beyond Grain Subdivision
Yoji MiyajimaDaisuke KashiokaNobuhiro Tsuji
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2017 Volume 58 Issue 8 Pages 1127-1133

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Abstract

The texture evolution of an accumulative roll bonding (ARB) processed commercial purity aluminium with lubrication was measured by electron backscattering diffraction with a field emission-type scanning electron microscope. As a result of texture analysis using orientation distribution function maps, the highest intensity texture component was found to be Taylor orientation after ARB 6 cycle. The result suggests that the deformation of ultrafine grains is similar to Taylor model, which occurs in not only high purity aluminium but also commercial purity aluminium.

Fig. 5 (111) pole figure constructed from electron back scattering diffraction data of accumulative roll bonding processed commercial purity aluminium; (a) 0 cycle, (b) 2 cycle, (c) 4 cycle, (d) 6 cycle, (e) 8 cycle, (f) 10 cycle, (g) 12 cycle, (h) 15 cycle, and (i) ideal orientations of the fcc rolling texture along β-fibre. It should be noted that some of the data can be found elsewhere17). Fullsize Image
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© 2017 The Japan Institute of Metals and Materials
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