| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥13,260,000 (Direct Cost: ¥10,200,000、Indirect Cost: ¥3,060,000)
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| Outline of Final Research Achievements |
This study was conducted to comprehensively accumulate scientific knowledge concerning the effect of the advanced hybrid treatment composed of plasma nitriding, short-time heat treatment and fine-particle bombarding on additive-manufactured titanium alloy. The results showed that the hybrid treatment improved the fatigue strength of the additive-manufactured titanium alloy to the same level of its wrought material. At the same time, the wear resistance was greatly improved. Moreover, it was shown that the short-time heat treatment was markedly effective to improve the fatigue strength of the additive-manufactured titanium alloy as well as its ductility.
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