Effect of Heat Treatment of 316L Stainless Steel Produced by Selective Laser Melting (SLM)

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Montero Sistiaga, M.L.
Nardone, S.
Hautfenne, C.
Van Humbeeck, J.

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University of Texas at Austin


Selective Laser Melting (SLM) shows a big potential within additive manufacturing of metals. The competitive mechanical properties compared to conventional processes as well as the geometry freedom are the main advantages of SLM. 316L stainless steel has been investigated in previous works regarding microstructure and mechanical properties. However, the influence of heat treatments has not been fully reported yet. This work studies the influence of different heat treatments applied to 316L stainless steel produced by SLM. The microstructure evolution was investigated for different conditions. Tensile, Charpy and hardness tests were performed on the as built and heat treated samples.


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