...Jordan Weaver; Alec Schlenoff; David Deisenroth; Shawn Moylan Purpose This paper aims to investigate the influence of nonuniform gas speed across the build area on the melt pool depth during laser powder bed fusion. This study focuses on whether a nonuniform gas speed is a source of process...

...Il Hyuk Ahn; Seung Ki Moon; Jihong Hwang; Guijun Bi Purpose This paper aims to propose methods to evaluate the characteristic length of the melt pool for accurate fabrication and to identify the optimal process parameters in the selective laser melting process. Design/methodology/approach...