Abstract
The evolution of residual stress (RS) induced by laser powder bed fusion (L-PBF) along post-processing steps of automotive carburizing steels is a topic still underexplored by the scientific community. In this study, L-PBF specimens of 20MnCr5 steel produced with different build orientations were subjected to the same stress relief, milling and carburizing steps. RS and the diffractogram full width of half maximum (FWHM) depth profiles obtained through X-ray diffraction were compared along the manufacturing chains. It was shown that the previous manufacturing steps influence the final RS state, from L-PBF to carburizing.
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