[G] 積層造形・粉末・焼結

[299] Effect of Powder Quality on Defects Suppression in an Additively Manufactured Inconel 718 Alloy - Comparison between Gas Atomized and PREP powders

*趙 宇凡¹, 青柳 健大¹, 台野 洋平², 山中 謙太¹, 千葉 晶彦¹ (1. 東北大金研、2. 東北大金研（現：日本電子株式会社）)

キーワード：Powder quality、Additive manufacturing、Inconel 718、Defects suppression

The forming qualities concerning surface topography, density, and internal defect of the EBM-built IN718 samples built by GA and PREP powders were compared under the same processing conditions.