Nicolas Ayers
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Phase transformations in additively manufactured high carbon-bearing steel Open
For high-carbon steels that are particularly sensitive to thermally induced phase transformations, the rapid solidification rates inherent to laser powder bed fusion (LPBF) offer a promising pathway to develop unconventional microstructure…
Additive Manufacturing of SS316L/IN718 Bimetallic Structure via Laser Powder Bed Fusion Open
Laser powder bed fusion (LPBF) is a popular additive manufacturing (AM) technique that has demonstrated the capability to produce sophisticated engineering components. This work reports the crack-free fabrication of an SS316L/IN718 bimetal…
Flaw type dependent tensile properties of 316L stainless steel additively manufactured by laser powder bed fusion Open
In this laser powder bed fusion (LPBF) study for 316 L stainless steel (316 L SS), the laser scan speed was varied to produce samples with keyhole (KH) and lack of fusion (LoF) flaws, each with three levels of density (i.e., >97%, ∼98%, an…
Process Optimization and Microstructure Analysis to Understand Laser Powder Bed Fusion of 316L Stainless Steel Open
The microstructural development of 316L stainless steel (SS) was investigated over a wide range of systematically varied laser powder bed fusion (LPBF) parameters, such as laser power, scan speed, hatch spacing and volumetric energy densit…