Property Degradation of Anisotropic Composite Laminates with Matrix Cracking(Ⅰ)——Constitutive Relation Developing for (θm/90n)s Cracked Laminates by Stiffness Partition

Hua Yu; Wang Xingguo; Li Zhengneng

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Article Navigation > Applied Mathematics and Mechanics > 1998 > 19(3): 257-265

Hua Yu, Wang Xingguo, Li Zhengneng. Property Degradation of Anisotropic Composite Laminates with Matrix Cracking(Ⅰ)——Constitutive Relation Developing for (θm/90n)s Cracked Laminates by Stiffness Partition[J]. Applied Mathematics and Mechanics, 1998, 19(3): 257-265.

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Hua Yu, Wang Xingguo, Li Zhengneng. Property Degradation of Anisotropic Composite Laminates with Matrix Cracking(Ⅰ)——Constitutive Relation Developing for (θ_m/90_n)_s Cracked Laminates by Stiffness Partition[J]. Applied Mathematics and Mechanics, 1998, 19(3): 257-265.

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Property Degradation of Anisotropic Composite Laminates with Matrix Cracking(Ⅰ)——Constitutive Relation Developing for (θ_m/90_n)_s Cracked Laminates by Stiffness Partition

1.
Hebei Institute of Technology, Tangshan, Hebei 063009, P. R. China;
2.
Beijing University of Aeronautics and Astronautics, Beijing 100083, P. R. China

Received Date: 1995-12-29
Rev Recd Date: 1997-12-15
Publish Date: 1998-03-15

Abstract

Abstract

The study on property degradation of damaged composite laminates is extended to anisotropic laminates with matrix cracking.In(Ⅰ)of the paper,an idea of "stiffness patition" is proposed to deal with the puzzle that the in-plane normal response is coupled with the shear response of the laminates.For(θ_m/90_n)_s laminates containing transversely cracked layers under general in-plane loading,the constitutive relations are derived and the effective stiffnesses are expressed as the function of crack density.
- composite laminate,
- anisotropy,
- damage,
- constitutive relation,
- stiffness partition

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References(8)

References

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