Fatigue behavior of additive manufactured 316L stainless steel under axial versus rotating-bending loading: Synergistic effects of stress gradient, surface roughness, and volumetric defects
Source abstract
Abstract
Abstract In this study, the stress gradient effects on the fatigue behavior of 316L stainless steel (SS) specimens fabricated using two different laser beam-powder bed fusion (LB-PBF) processes were investigated, with an emphasis on the surface roughness and volumetric defects. The fatigue behavior of LB-PBF 316L SS largely depended on the applied stress amplitude. Under higher stress amplitudes, rotating-bending specimens generally exhibited better fatigue resistance as compared to the axial specimens subjected to the same nominal stresses. At lower stress amplitudes, the surface roughness and/or volumetric defects became more significant life-limiting factors for LB-PBF 316L SS.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Additive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · Welding Techniques and Residual Stresses
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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