Creation of high fatigue strength material using high hardness layer and development of the prediction method of its fatigue life
| Project/Area Number |
22860066
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Ritsumeikan University |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥2,496,000 (Direct Cost: ¥1,920,000、Indirect Cost: ¥576,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,196,000 (Direct Cost: ¥920,000、Indirect Cost: ¥276,000)
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| Keywords | 疲労 / 表面処理 / ギガサイクル疲労 |
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| Research Abstract |
The purpose of this study is to propose a new surface coating method and investigate its formation mechanism, and to investigate the effect of surface hardened layer on the very high cycle fatigue properties of metallic materials. As results of fatigue tests, the fatigue strength of surface hardened material changed depending on the surface layer. This was because the fatigue fracture mode changed depending on the mechanical property and thickness of the surface layer. The fatigue fracture mechanism was clarified from view points of the local bending stress distribution applied to the surface hardened material.
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Report
(3 results)
Research Products
(56 results)
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[Patent(Industrial Property Rights)] 表面処理装置及び表面処理方法2010
Inventor(s)
原田翼, 菊池将一, 小茂鳥潤, 深沢剣吾, 三阪佳孝, 川嵜一博
Industrial Property Rights Holder
原田翼, 菊池将一, 小茂鳥潤, 深沢剣吾, 三阪佳孝, 川嵜一博
Industrial Property Number
2010-259415
Filing Date
2010-11-19
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