[SS] S6 Materials Science of Additive Manufacturing IX

9:55 AM - 10:10 AM JST(12:55 AM - 1:10 AM UTC)

[S6.34] Rapid solidification-induced decoupled growth of single-phase B2 in an AlCo-based eutectic high-entropy alloy fabricated by laser powder bed fusion

○Jinge Yan¹, Ryosuke Ozasa¹, Ozkan Gokcekaya¹, Takayoshi Nakano¹ (1. The University of Osaka)

Keywords:

Additive manufacture,Eutectic growth,Rapid solidification

The coupled-to-decoupled growth transition of the FCC/B2 eutectic during rapid solidification in an LPBF-fabricated AlCo-based eutectic high-entropy alloy was investigated. A solidification map was established, and the thermodynamic mechanism governing the growth mode transition was elucidated.