The dependence of the strain path on the microstructure, texture and mechanical properties of cryogenic rolled Al-Cu alloy

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dc.contributor.authorSelvan, C. Chinthanai
dc.contributor.authorNarayana, C. Sathiya
dc.contributor.authorRavisankar, B
dc.contributor.authorNarayanasamy, R
dc.contributor.authorValliammai, C. Thillaiyadi
dc.date.accessioned2026-10-14T09:57:32Z
dc.date.available2026-10-14T09:57:32Z
dc.date.issued2020-03-23
dc.description.abstractAn investigation was conducted on Al-4%Cu alloy sheets to study the role of deformation path on the strength properties, evolution of microstructure and crystallographic texture during cryogenic rolling. Samples were rolled to two distinct thickness strains (50% and 75%) by unidirectional and cross rolling (bidirectional) routes. The strength and hardness properties were found to be more efficient in the cross rolled samples at 50% reduction than their counterparts rolled unidirectionally. Dynamic recovery was observed at higher rolling reductions on cross rolling. Microscopic features observed by EBSD revealed the occurrence of significant grain refinement on the samples rolled with a change of strain path. Also, the alteration of the rolling route resulted in distinct deformation textures and microstructures. TEM studies pointed out the scattered diffusion of the disintegrated dislocation cores and the redistribution of the second phase particles on higher rolling reductions with the change of strain path. Furthermore, the texture results showed a threefold increase on the Goss/Brass ratio which indicated the good fracture toughness behaviour of the cross rolled samples at lower reductions. © 2020 The Author(s). Published by IOP Publishing Ltd.
dc.identifier.issnMaterials Research Express
dc.identifier.urihttp://doi.org/10.35940/ijitee.L2484.1081219
dc.identifier.urihttp://nitt.ndl.gov.in/handle/123456789/325
dc.language.isoen
dc.publisherInstitute of Physics Publishing
dc.relation.ispartofseriesMaterials Research Express; Vol. 7/ No. 3
dc.titleThe dependence of the strain path on the microstructure, texture and mechanical properties of cryogenic rolled Al-Cu alloy
dc.typeArticle
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