Introductions
摘要
Powder bed fusion (PBF) is an additive manufacturing (AM) technology in which a heat source is used to selectively melt/sinter powder bed. Typical PBF technology includes selective laser sintering (SLS), selective laser melting (SLM), electron beam melting (EBM), etc. Among them, SLM uses a laser as the heat source to selectively melt the powder bed to fabricate metal parts, which is also known as laser powder bed fusion (LPBF) technology.