日本金属学会2024年秋期(第175回)講演大会

Presentation information

一般講演

6.Materials Processing » Melting and solidification process/High temperature process

[G] Melting and solidification process/High temperature process

Fri. Sep 20, 2024 12:30 PM - 5:15 PM Room Q (B307 3st floor Building B Center for Education in Liberal Arts and Sciences)

Chair:Yasuda Hideyuki, Hirofumi Miyahara, Masayuki OKUGAWA, Taka Narumi(Kyoto University)

3:15 PM - 3:30 PM

[420] Cast Defect of Flame-Retardant Mg Alloy Additive-manufactured by Laser Powder Bed Fusion

*Hirofumi MIYAHARA1, Ryunosuke SHIMIZU2, Yasuaki KUBOTA1, Shinichiro NAKAZAWA1, Kaisei AKAO1, Toshiharu MATSUMOTO3, Kohei MORISHITA1 (1. Kyushu University, 2. Kyushu University (Present: Nippon Steel Corporation), 3. Tobata seisakusho Co.,Ltd.)

Keywords:レーザ粉末床溶融結合法、難燃性マグネシウム合金、急速凝固、ひけ巣、鋳造欠陥

本研究では,難燃性Mg合金を粉末床溶融結合法により造形させ,レーザ照射条件によりAbnormal lack of fusion,Normal lack of fusion,ひけ巣,keyholeおよびgas porosityの5つの欠陥が生ずることを明らかにした.

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