BY-NC-NDCroccolo, DarioDe Agostinis, MassimilianoFini, StefanoOlmi, GiorgioBogojevic, NebojsaĆirić Kostić, Snežana2022-02-222022-02-222018Croccolo, Dario, et al. "Effects of build orientation and thickness of allowance on the fatigue behaviour of 15–5 PH stainless steel manufactured by DMLS." Fatigue & Fracture of Engineering Materials & Structures 41.4 (2018): 900-916.1460-2695https://scidar.kg.ac.rs/handle/123456789/14220The present study is focused on the fatigue strength of 15–5 PH stainless steel, built by Direct Metal Laser Sintering. Six-specimen sets were manufactured, mechanically and thermally treated and tested under rotating bending fatigue. The study investigates the effects of the build orientation (parallel, perpendicular, or 45° inclined with respect to the vertical stacking direction) and of allowance for machining (1 mm or 3 mm at gage). The results, processed by an ANOVA methodology, indicate that allowance for machining has a beneficial effect on the fatigue response. Removing the surface irregularities, averagely leads to a 19% enhancement of the fatigue limit. The build orientation also becomes beneficial, when the slanted samples are included in the experiment. In this case, a fatigue strength increase up to 20% can be achieved. Further developments will include the investigation of the effects of heat and surface treatments, involving also further materials in the study.enopenAccesshttps://creativecommons.org/licenses/by-nc-nd/4.0/Rotational BendingFatigue strengthStainless steelDirect Metal Laser SinteringBuild orientationAllowance for Machiningarticle10.1111/ffe.12737