日本金属学会2023年秋期(第173回)講演大会

Presentation information

一般講演

7.Biomedical and Health Care » Biomaterials Development and Clinics

[G] Biomaterials Development and Clinics

Wed. Sep 20, 2023 1:00 PM - 5:20 PM Rm. K (3rd Flr. Education and Research Building, School of Engineering)

座長:成島 尚之(東北大学)、野村 直之(東北大学)、久森 紀之(上智大学)

1:15 PM - 1:30 PM

[266] The effect of surface modification on crack propagation properties and fatigue life on Ti-6Al-4V alloy formed by electron beam lamination

*Yuya ARAKI1, Noriyuki HISAMORI2, Masahiro TSUKAHARA3, Yoshitaka MISAKA3, Yuji KOBAYASHI4, Toshiya TSUJI4, Yuta SAITO4, Munehisa UCHIYAMA5, Makoto YAMAGUCHI5 (1. Graduate School of Science and Technology, Sophia Univ., 2. Faculty of Science and Technology, Sophia Univ., 3. NETUREN CO., LTD, JAPAN., 4. SINTOKOGIO, CO., LTD, JAPAN., 5. PULSTEC INDUSTRIAL CO., LTD, JAPAN.)

Keywords:Ti-6Al-4V、Additive Manufacturing、Surface modification、Fatigue life、Crack propagation properties

電子ビーム溶解法は,積層時間が早い一方,造形時に残留する空孔が疲労強度の低下および破壊起点となることが報告されている.本研究では,表面改質したEBMTi-6Al-4V合金のき裂進展特性とねじり疲労特性を評価した.

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