Development of biocompatible magnesium alloy with high corrosion resistance using hybrid coating consisting of thick DLC film
| Project/Area Number |
21560086
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Gifu University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
TOKAJI Keiro 岐阜大学, 工学部, 名誉教授 (80021616)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | 疲労 / DLC皮膜 / 複合皮膜 / 腐食疲労 / 材料強度 / 生体環境 / 軽量合金 / 溶射皮膜 / 回転曲げ / 中間層厚さ / 応力解析 |
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| Research Abstract |
Thick DLC, multi-layered DLC, high adhesion type DLC and low arching type DLC were deposited on magnesium alloy, AZ80, and fatigue tests were performed in air and 3% NaCl solution. It was found that both multi-layered and low arching deposition played important roll to improve fatigue strengths under corrosive environment. Subsequently, WC-12Co was thermally sprayed between DLC film and substrate as an interlayer. The hybrid coating could well improve both wear-resistance and fatigue strength. The optimal thickness of an interlayer was proposed based on the fatigue tests.
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Report
(4 results)
Research Products
(22 results)
