Raking Process for Powder Bed Fusion of Ti–6Al–4V Alloy Powder Analyzed by Discrete Element Method

• Published in: MATERIALS TRANSACTIONS Vol. 64; no. 1; pp. 37 - 43
• Main Authors: Okugawa, Masayuki, Isono, Yusuke, Koizumi, Yuichiro, Nakano, Takayoshi
• Format: Journal Article
• Language: English
• Published: Sendai The Japan Institute of Metals and Materials 01.01.2023; Japan Science and Technology Agency
• Subjects: additive manufacturing; Alloy powders; Computer simulation; Discrete element method; discrete element method (DEM); Homogeneity; Powder beds; powder raking process; powder-bed fusion; Rapid prototyping; Titanium base alloys; Ti–6Al–4V alloy; Upper bounds

In order to avoid the formation of defects in additive manufacturing (AM) by powder bed fusion (PBF) process, it is crucial to understand the relationship between the quality of powder bed and a powder spreading process. In this study, the influences of conditions of powder raking process on the den...