Selective laser melting - Wikipedia
Selective laser melting ( SLM) is one of many proprietary names [1] for a metal additive manufacturing (AM) technology that uses a bed of powder with a source of heat to create metal parts.. Also known as direct metal laser sintering ( DMLS ), the ASTM standard term is powder bed fusion ( PBF ).. PBF is a rapid prototyping, 3D printing, or ..