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Title: Residual stress via the contour method in compact tension specimens produced via selective laser melting
Authors: Vrancken, Bey 
Cain, Victoria 
Knutsen, Rob 
van Humbeeck, Jan 
Keywords: Additive manufacturing;Selective laser melting;Residual stress;Contour method;Fractography
Issue Date: 2014
Publisher: Scripta Materialia
Abstract: The complex thermal history of parts produced via selective laser melting (SLM) leads to a complex residual stress state. While it is generally accepted that these residual stresses are unfavorable, their exact influence on the mechanical behavior of parts produced by SLM is unknown. Two-dimensional stress mapping using the contour method shows that residual stresses have a major influence on the anisotropic behavior of Ti6Al4V produced via SLM. Furthermore, maximum stress values are close to the yield stress.
Appears in Collections:Eng - Journal articles (DHET subsidised)

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