Dongyi Zou

Oct 8, 2024 | mdpi.com | Dongyi Zou |Chaojiang Li |Yuxin Yang |Xin Jin

1. IntroductionAdditive manufacturing (AM, also known as 3D printing or rapid prototyping) is recognized as a key strategy for manufacturing parts with complex structures. Selective laser melting (SLM) is a state-of-the-art AM process that can produce higher specific mechanical properties by sintering metallic powder with negligible void content [1]. However, metal parts produced by SLM often have high surface roughness.