In situ selective laser gas nitriding for composite TiN/Ti-6Al-4V fabrication via laser powder bed fusion

P.A. Morton^a^,^b^,^*(

), H.C. Taylor^a^,^c, L.E. Murr^a^,^c, O.G. Delgado^a^,^b, C.A. Terrazas^a^,^b, R.B. Wicker^a^,^b

Fig. 10.. (a) Linear hardness profile across embedded TiN layer for sample built with no reduced power on infill after the nitriding layer (b) hardness profile of sample built with reduced power infill for 2 layers after TiN layer. The arrow in the images indicates the l-PBF build direction.