Revealing transient powder-gas interaction in laser powder bed fusion process through multi-physics modeling and high-speed synchrotron x-ray imaging

•Multiphysics simulation reveals the powder-gas interaction in laser powder bed fusion.•Four modes of powder-gas interaction are identified based on the dominating physical mechanisms.•Powder motion is governed by the different modes of powder-gas interaction.•High-speed synchrotron X-ray imaging su...

Ausführliche Beschreibung

Bibliographische Detailangaben

Veröffentlicht in:	Additive manufacturing 2020-10, Vol.35, p.101362, Article 101362
Hauptverfasser:	Li, Xuxiao, Zhao, Cang, Sun, Tao, Tan, Wenda
Format:	Artikel
Sprache:	eng
Schlagworte:	High-speed synchrotron x-ray imaging Laser powder bed fusion MATERIALS SCIENCE Multi-physics modeling Powder motion Powder-gas interaction
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!