[1L01-08] Liquid Metal Engineering in Fusion Reactor

[1L08] Study on applicability of Additive Manufactured steels for liquid metal components on fusion reactors

(2)Corrosion resistance of Al-containing Additive Manufactured steels

*Yoshiki Kitamura¹, Masato Kibayashi¹, Masatoshi Kondo¹, Masahiro Onoi², Shotaro Morokoshi², Tomohiro Yonemoto², Yoshie Tamai¹ (1. Tokyo Tech, 2. MTC)

Keywords:Additive manufacturing, Liquid metal, Corrosion, Alumina layer

Additive Manufacturing (AM) technology enables to fabricate complex shapes without welding procedure. The application of the AM technology to the in-vessel liquid metal based components in fusion reactors can improve their processability and their reliability. To promote the uniform formation of protective Al₂O₃ layer, 5wt%Al-containing AM steels was made of powder of Al-containing steel. The pre-oxidation treatment was performed on specimens at 1000℃ for 10hours. The corrosion tests were performed in the liquid metals (LiPb, PbBi and Sn) at 500℃ for 250h.