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The influence of hot rolling on the variation of through thickness structure of AA7010 thick plates
1997 (English)In: Thermo-Mechanical Processing in Theory, Modelling & Practice: [TMP]² : proceedings of an international conference organised in celebration of the 75th anniversary of the Swedish Society for Materials Technology, 4-6 September 1996, Stockholm, Sweden, Stockholm: Svenska fören. för materialteknik , 1997, p. 284-289Conference paper, Published paper (Other academic)
Abstract [en]

The variation of through thickness structure and yield strength of AA7010-T7451 thick plate has been investigated. Grain size at different depths were determined qualitatively by using optical microscopy. Texture measurements were carried out using x-ray technique at the same depths as grain size studies. Tensile property tests have been performed and the EBSP technique has been used to compare the degree of recovered and recrystallized grain structure at different depths. Tensile testing determined through thickness variations in yield. The expected W shape of longitudinal yield strength through thickness was not observed. The yield strength decreases towards the center of the plate. An increasing amount of big recrystallized grains (through the thickness from T/8 towards the center of the plate) appears to be the reason behind the decreasing through thickness yield strength.

Place, publisher, year, edition, pages
Stockholm: Svenska fören. för materialteknik , 1997. p. 284-289
Keywords [en]
Aluminum base alloys; Rolling; Recrystallization; Plate metal; Mechanical properties; Grain size; Texture; Yield strength; X ray analysis
Identifiers
URN: urn:nbn:se:hj:diva-5196ISBN: 91-630-5421-3 (print)OAI: oai:DiVA.org:hj-5196DiVA, id: diva2:36016
Available from: 2008-01-09 Created: 2008-01-09 Last updated: 2017-12-12Bibliographically approved

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Andersson, Nils-Eric

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