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Title: Influence of the build orientation on the fatigue strength of EOS maraging steel produced by additive metal machine
Authors: Croccolo, Dario
De Agostinis, Massimiliano
Fini, Stefano
Olmi G.
Vranić, Aleksandar
Ciric-Kostic, Snezana
Issue Date: 2016
Abstract: © 2016 Wiley Publishing Ltd. This paper presents a research dealing with the dependence of the fatigue strength of maraging steel parts, manufactured by direct selective laser sintering, on the production build orientation. Three sets of specimens have been manufactured according to the ISO 1143 Standard (2010) by EOSINT M280 additive manufacturing machine, with the following heat and mechanical treatments, in agreement with the recommendations by the material manufacturer and current literature. The expected outcomes are the Fatigue Limit values of the material and the maximum number of cycles observed at different stress levels for three different build orientations (three different angles, 0°, 45° and 90°, between the build direction and the longitudinal axis of the samples). The results have been processed and compared by statistical methods in order to determine the fatigue curves in the finite life domain and the fatigue limits, along with their confidence bands and intervals, and to investigate the significance of the build orientation factor.
Type: article
DOI: 10.1111/ffe.12395
ISSN: 8756-758X
SCOPUS: 2-s2.0-84981360377
Appears in Collections:Faculty of Mechanical and Civil Engineering, Kraljevo

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