CED (Crack Energy Density) for an Interface Crack
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概要
- 論文の詳細を見る
The fracture parameter of an interface crack has yet to be established even for an elastic crack. The CED (crack energy density) was proposed as a crack parameter which enables us to be free from the restrictions on the constitutive equation, and it has been shown that it is applicable, in a unified way, to various kinds of crack behavior in a homogeneous material. Therefore, the CED may also be applicable to an interface crack. In this paper, the fundamentals of the CED for an interface crack are studied. The concrete definition of the CED for an interface crack is given first, and it is shown that the CED can be divided into mode I and mode II contributions that can be expressed by domain integrals without any restrictions on the constitutive equation. Subsequently, the relationships to the conventional crack parameters of the CED are derived. Moreover, the substantial mode I and mode II contributions of the energy release rate are introduced, and their correspondence to the mode I and mode II contributions of the CED is discussed.
- 一般社団法人日本機械学会の論文
- 1994-07-15
著者
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Watanabe Katsuhiko
Institute Of Industrial Science University Of Tokyo
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Kwon Oheon
Pusan National University of Technology
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Utsunomiya Takao
Shibaura Institute of Technology
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Watanabe Katsuhiko
Institute Of Industrial Science Univ. Of Tokyo
関連論文
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- An Evaluation of the Fracture Resistance of a Stably Growing Crack by Crack Energy Density (2nd Report, Application to a Ductile Crack in Thin Plate)
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- Evaluation of Deformation Mode Change along 3-Dimensional Crack Front Line by CED
- Path Independent Integral to Creep Crack and Crack Energy Density
- Application of ε_J-integral to Elasto-plastic Crack Problems under Monotonic or Cyclic Loading : Physical Meanings of J (ΔJ) and Analysis of Crack Energy Density
- Evaluation of Crack Energy Density by Using E_J-integral in case of Elasto-plastic and Creep Crack
- Applicability of Compounded Mesh Pattern to Three-Dimensional Interface Problems(Modeling & Simulation)
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- Proposal of a New Crack Model Considering the Discontinuity in the Cracked Plane and Its Application to the Evaluation of Crack Parameter
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