316L Stainless Steel with Gradient Porosity Fabricated by Selective Laser Melting

By Ruidi Li, Jinhui Liu, Yusheng Shi, M. Du, Zhan Xie. 2010

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Study of the Pore Formation on CoCrMo Alloys by Selective Laser Melting Manufacturing Process (2013, background): “Previous studies have shown that SLM has the potential of controlling porosities according to the capacity of providing different energy inputs by its processing parameters [9].”
High cycle fatigue life prediction of laser additive manufactured stainless steel: A machine learning approach (2019, background): “The porous samples are characterised by concurrent reductions in strength and ductility with increasing defect fraction, consequent to the gross loss in load-bearing area and the increased propensity for cracking [52, 54].”
Fatigue and fracture behaviour of laser powder bed fusion stainless steel 316L: Influence of processing parameters (2017, background): “body implants [27, 28] and heat exchangers, often desire good fatigue properties.”
Influence of energy density on metallurgy and properties in metal additive manufacturing (2017, background): “Apart from that, scan speed, s, is also found to influence the porosity and tensile strength of metal AM parts (Figure 7) [81].”