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Advanced Microtexture Analysis of a Ti10−2−3 product: for a Better Understanding of Local Variations in Mechanical Behaviour

Abstract : Ti 10-2-3 parts for high strength application are classically obtained by a complex transformation process including β forging and further α/β forging before aging. The expected microstructure is typically composed of primary αP nodules embedded in a matrix of residual pr and as platelets. In this contribution, in depth microtexture analysis using EBSD and advanced data processing with Merengue 2 software have been performed at different scales ranging from millimeter down to sub-micron. Our goal was to reconstruct the prior high temperature αp/β microtexture and to quantify remaining traces of orientation relationship between αp and β phases as well as β to αs variant selection. New insights of the inherited microstructure are revealed and may explain why local configurations supposed to be similar from microstructural observations could exhibit different mechanical behavior.
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https://hal.univ-lorraine.fr/hal-01513021
Contributor : Lem3 Ul <>
Submitted on : Tuesday, December 8, 2020 - 10:41:20 AM
Last modification on : Thursday, March 11, 2021 - 2:24:17 PM

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Maria Rita Chini, Lionel Germain, Nathalie Gey, S Andrieu, Duval T.. Advanced Microtexture Analysis of a Ti10−2−3 product: for a Better Understanding of Local Variations in Mechanical Behaviour. Proceedings of the 13th World Conference on Titanium, Aug 2015, San Diego, CA, United States. pp.1943-1948, ⟨10.1002/9781119296126.ch325⟩. ⟨hal-01513021⟩

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