2403 Effects of Surface Treatment of Titanium on Giga-cycle Fatigue Properties

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  • 2403 チタン系材料の高サイクル疲労特性に及ぼす表面処理条件の検討(G03-5 表面改質処理,G03 材料力学)

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In this study, pure titanium and titanium alloy of implant are examined for mechanical properties. In particular, heat treatment of titanium surfaces is processed in atmospheric condition, and examined on fatigue properties of Giga-cycle with supersonic wave apparatus. The results obtained are as follows; 1) Conditions of heat treatment effect on Vickers hardness, and is appropriate for titanium in 723K, 5H. 2) Heat treatment makes fatigue strength of materials progress in more than 5%. 3) Mechanical properties with supersonic wave are applicable to relative evaluation on biological materials.

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