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2009 Fiscal Year Final Research Report

Establishment of criterion for nonlinear fracture using mezzo-macro scale simulations

Research Project

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Project/Area Number 19760070
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Materials/Mechanics of materials
Research InstitutionKobe University

Principal Investigator

FUJIMOTO Takehiro  Kobe University, 大学院・海事科学研究科, 准教授 (60314514)

Project Period (FY) 2007 – 2009
Keywords破壊力学 / 延性破壊挙動 / 三点曲げ破壊試験 / き裂面観察 / 粗さ測定
Research Abstract

In fracture accidents of structure, crack propagation caused with deformation of industrial component materials. The nonlinear fracture is defined as the fracture with distinct permanent deformation. Because behavior of nonlinear fractures are very complex, conventional fracture mechanics cannot be applied to some of these nonlinear fractures. In this study, to establish the criterion for the nonlinear fracture, behaviors in crack-tip vicinity are measured by using the experimental observations and numerical simulations.

  • Research Products

    (6 results)

All 2009 2008 2007 Other

All Journal Article (2 results) Presentation (4 results)

  • [Journal Article] Moving finite element analyses for fast crack propagation in sheet metal2009

    • Author(s)
      T. Fujimoto, T. Nishioka
    • Journal Title

      International Journal of Mechanical Sciences (SPECIAL ISSUE: Advances in Modeling and Evaluation of Materials in Honor of Professor Tomita) vol.52

      Pages: 277-286

  • [Journal Article] Experimental and numerical study for crack propagation in aluminumalloy A2024-T351

    • Author(s)
      T. Fujimoto, T. Nishioka
    • Journal Title

      Materials Science and Engineering (Proceedings of WCCM/APCOM 2010)

  • [Presentation] アルミニウム合金破壊挙動の衝撃速度依存性に関する研究2009

    • Author(s)
      藤本岳洋、西岡俊久
    • Organizer
      日本機械学会M&M2009材料力学カンファレンス
    • Year and Date
      20090000
  • [Presentation] 延性破壊におけるき裂先端近傍挙動とプロセスゾーンの評価に関する研究2008

    • Author(s)
      藤本岳洋、西岡俊久
    • Organizer
      第52回日本学術会議材料工学連合講演会
    • Year and Date
      20080000
  • [Presentation] Numerical Simulation for Nonlinear Deformation near Crack Tip using Micro Scale Material Model2007

    • Author(s)
      T. Fujimoto, T. Nishioka
    • Organizer
      Third Asian-Pacific Congress on Computational Mechanics and the Eleventh International Conference on the Enhancement and Promotion of Computational Methods in Engineering and Science
    • Year and Date
      20070000
  • [Presentation] 直進・非直進大変形破壊のき裂先端近傍の変形破壊挙動解析2007

    • Author(s)
      藤本岳洋、西岡俊久
    • Organizer
      第51回日本学術会議材料工学連合講演会
    • Year and Date
      20070000

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Published: 2011-06-18   Modified: 2016-04-21  

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