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Singular behaviors of interfacial cracks in 2D magnetoelectroelastic bimaterials

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Abstract

The singular characteristics of stress, electric displacement and magnetic induction fields near the tip of impermeable interfacial cracks in two-dimensional magnetoelectroelastic bimaterials are studied using the generalized Stroh formalism. Two types of singularities are obtained: one is the oscillating singularity 1/2±iε, the other is the non-oscillating singularity 1/2±κ. It is found that the non-zero parameters ε and κ cannot coexist for one transversely isotropic MEE bimaterial, a similar result is obtained for transversely isotropic piezoelectric bimaterials.

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Authors and Affiliations

  1. Key Laboratory of Mechanics on Disaster and Environment in Western China, the Ministry of Education of China, and Department of Mechanics and Engineering Science, College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, 730000, China

    Cuiying Fan, Youhe Zhou & Minghao Zhao

  2. School of Mechanical Engineering, Zhengzhou University, Zhengzhou, 450001, China

    Han Wang & Minghao Zhao

Authors
  1. Cuiying Fan
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  2. Youhe Zhou
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  3. Han Wang
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  4. Minghao Zhao
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Corresponding author

Correspondence to Minghao Zhao.

Additional information

Project supported by the National Natural Science Foundation of China (No.10572131) and the Program for New Century Excellent Talents in University of HeNan Province (HANCET).

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Fan, C., Zhou, Y., Wang, H. et al. Singular behaviors of interfacial cracks in 2D magnetoelectroelastic bimaterials. Acta Mech. Solida Sin. 22, 232–239 (2009). https://doi.org/10.1016/S0894-9166(09)60270-6

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  • DOI: https://doi.org/10.1016/S0894-9166(09)60270-6

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