| Project/Area Number |
25630306
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Structural/Functional materials
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| Research Institution | Osaka University |
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Principal Investigator |
NAKANO Takayoshi 大阪大学, 工学(系)研究科(研究院), 教授 (30243182)
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| Co-Investigator(Kenkyū-buntansha) |
ISHIMOTO Takuya 大阪大学, 工学研究科, 講師 (50508835)
TODAI Mitsuharu 大阪大学, 工学研究科, 助教 (10610800)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 電子ビーム積層造形法 / 付加製造 / 低ヤング率 / エネルギー吸収性 / 粉末部力学機能化 / ネック形成 / 骨代替材料 / 金属積層造形 / 衝撃吸収性 / 骨力学機能模倣 / 粉末 / 金属粉末積層造形 / 三次元付加製造 / パウダー／ソリッド複合体 / ネッキング |
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| Outline of Final Research Achievements |
In an electron beam melting, one of powder bed fusion methods, we successfully functionalized the unmelted powder that have usually been removed and discarded. The unmelted powder was heat-treated for neck formation between powder particles instead of being discarded. As a result, a novel, hierarchical, porous composite from a single material composed of necked powder and melted solid was created. The composite demonstrates low Young’s modulus and excellent energy absorption capacity, both of which are bone-mimetic and necessary for use in orthopedic applications. In this study, we achieved the implant material that behaves as if it were natural bone even though the implant was made up of metallic materials.
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