INVESTIGATION OF THE EFFECT OF AN ADDITIVE MANUFACTURING PROCESS ON THE MECHANICAL PROPERTIES OF 316L STAINLESS STEEL

Date

May 2023

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Abstract

This body of work provides a general analysis of the mechanical properties of 316L stainless steel prints that have been generated with laser powder bed fusion (LPBF). Powdered 316L stainless steel was utilized in the selective laser melting process to generate samples suitable for materials analysis. The aim of this body of work is to analyze how a specified LPBF process affects the material properties of 316L stainless steel. Thorough understanding of the effect that the LPBF process has on 316L stainless steel material properties may provide designers and engineers with information that aids in component design and reliability. The findings presented herein demonstrate that the LPBF process produces a state of material properties that are unlike its traditionally manufactured counterparts. Thorough investigation of the tensile properties, hardness, density, and microscopic properties of the material provide a material performance profile. This material profile was compared to the profile of a traditionally manufactured and annealed 316L steel samples. The results show that the use of LPBF can be used to generate high density, high strength components in the as-printed condition. Additionally, Anisotropic material performance was identified and measured in tensile tests, and in metallurgical microscopy.

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Keywords

Engineering, Materials Science, Engineering, Mechanical

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