Extrinsic and intrinsic size effects on the fatigue strength of metallic micro/nano films unraveled by slip penetrability
About This Project
- Japan Grant Number
- JP25K01121 (JGN)
- Funding Program
- Grants-in-Aid for Scientific Research
- Funding Organization
- Japan Society for the Promotion of Science
Kakenhi Information
- Project/Area Number
- 25K01121
- Research Category
- Grant-in-Aid for Scientific Research (B)
- Allocation Type
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- Multi-year Fund
- Review Section / Research Field
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- Basic Section 18010:Mechanics of materials and materials-related
- Research Institution
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- Kyushu University
- Project Period (FY)
- 2025-04-01 〜 2028-03-31
- Project Status
- Granted
- Budget Amount*help
- 18,850,000 Yen (Direct Cost: 14,500,000 Yen Indirect Cost: 4,350,000 Yen)
Research Abstract
本研究は，数μm～nmオーダー厚の金属マイクロ・ナノ薄膜の疲労強度の外的寸法（厚さ）と内的寸法（結晶粒径）の2つの寸法効果の発現機構の解明を目的とする。微視的疲労損傷の形成・発達過程の3次元観察と力学的・結晶学的分析を行い，すべり変形が結晶粒界に阻害されずに厚さ方向へ貫通できるか否かを示す“すべり貫通能”を指標として，疲労強度の外的・内的寸法効果を理解する。
Details 詳細情報について
-
- CRID
- 1040022457870271616
-
- Text Lang
- ja
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- Data Source
-
- KAKEN