Measurement and Modelling of Residual Stress in Wire-Feed Additively Manufactured Titanium

Bilal Ahmed, Sjoerd van der Veen, Michael Fitzpatrick, Hua Guo

Research output: Contribution to journalArticle

2 Citations (Scopus)
8 Downloads (Pure)

Abstract

Residual stresses were characterised in a wire-feed additively manufactured titanium alloy component. A numerical simulation based on the inherent strain method was used to model residual stresses arising from the manufacturing process. The contour method was used to experimentally determine the residual stress field. High tensile residual stresses were seen at and around the interface of the substrate and the deposited metal. Compressive residual stresses were present in the substrate and at the top of the deposit. The satisfactory correlation was achieved between the results from the numerical simulation and the contour method, except for the location of the root of the deposit. The effect of pre-heating the sample substrate on the residual stress distribution is also discussed.
Original languageEnglish
Pages (from-to)2250-2259
Number of pages10
JournalMaterials Science and Technology
Volume34
Issue number18
Early online date3 Oct 2018
DOIs
Publication statusPublished - 2018

Bibliographical note

This is an Accepted Manuscript of an article published by Taylor & Francis in Materials Science and Technology on 03 October 2018], available online: http://www.tandfonline.com/10.1080/02670836.2018.1528747

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