Fatigue Data for Laser Powder Bed Fused 17-4 PH Stainless Steel Specimens in Different Heat Treatment and Surface Roughness Conditions

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This article presents the data demonstrating the synergistic effect of surface roughness and heat treatment on the fatigue behavior of 17–4 PH stainless steel (SS) fabricated via Laser Powder Bed fusion (L-PBF). Two sets of specimens, in as-built and machined surface conditions, were heat treated using five different recommended procedures for 17-4 PH SS by ASTM. Axial fully-reversed fatigue tests (R = -1) were conducted on heat treated as-built and machined specimens. The stable hysteresis stress–strain data, as well as the maximum and minimum stress and strain values for the cycle in a log10 increment are included for all conducted fatigue experiments. In addition, fractography images are provided for selected set of specimens.

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