Abstract

The capability to characterize the inelastic response of a material induced by laser processing is particularly relevant within the context of laser-based additive manufacturing. While many efforts have been directed toward elastic residual field measurements, determining the extent of plastic deformation significant experimental challenges. The present effort seeks to offer direct insight into the nature of plastic strain generation in nickel single crystals subjected to melt-mediated laser processing. Ultra-high purity nickel single crystals were chosen for their FCC crystal structure and their lack of potential for dislocation interactions with either grain boundaries or solutes, thus significantly simplifying their analysis.

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