Ultra-high cycle fatigue strength of hierarchical anisotropic nanostructured alloys by precision structural analysis

KAKEN
  • 陳 強
    Principal Investigator
    九州大学

About This Project

Japan Grant Number
JP22K03828 (JGN)
Funding Program
Grants-in-Aid for Scientific Research
Funding Organization
Japan Society for the Promotion of Science

Kakenhi Information

Project/Area Number
22K03828
Research Category
Grant-in-Aid for Scientific Research (C)
Allocation Type
  • Multi-year Fund
Review Section / Research Field
  • Basic Section 18010:Mechanics of materials and materials-related
Research Institution
  • Kyushu University
Project Period (FY)
2022-04-01 〜 2025-03-31
Project Status
Granted
Budget Amount*help
4,030,000 Yen (Direct Cost: 3,100,000 Yen Indirect Cost: 930,000 Yen)

Research Abstract

本研究では，Mg-Gd-Y-Zn-Mn系合金の超高サイクルにおける疲労損傷の素過程，すなわち１～数結晶粒程度の微小き裂の発生と伝ぱに着目し，疲労破壊のメカニズムに及ぼす階層異方性ナノ構造の影響，特に第二相であるラメラ状長周期積層構造相やキンク変形，柱面ナノサイズ析出物の影響を精密構造解析により解明する．

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