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Crack formation in composites through a spring model

Author

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  • Sadhukhan, Supti
  • Dutta, Tapati
  • Tarafdar, Sujata

Abstract

When two or more different materials are combined to form composites, the property of the composite may be quite different. This depends on relative interaction strengths of cohesion between similar and adhesion between dissimilar particles. We study crack formation in composites through a very general spring network model on a square lattice. The spring model shows the distortion of the lattice, prior to fracture and this affects the pattern of subsequent cracks, unlike the prevalent random fuse models, where no distortion is allowed. Two different types of sites (A and B) are distributed randomly on the lattice, representing two different constituents. There are springs of three types connecting them (A–A, B–B and A–B). We assign two spring parameters for each type of spring. These are a spring constant and a breaking threshold. We show that intermediate compositions may require higher energy to induce the first sample spanning break than either pure A or pure B. So the breaking energy goes through a maximum as the concentration of one component varies from 0% to 100%. The position and height of the peak depend on the spring parameters.

Suggested Citation

  • Sadhukhan, Supti & Dutta, Tapati & Tarafdar, Sujata, 2011. "Crack formation in composites through a spring model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(4), pages 731-740.
    • Handle: RePEc:eee:phsmap:v:390:y:2011:i:4:p:731-740
    DOI: 10.1016/j.physa.2010.10.032
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    Citations

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    Cited by:

    1. Parviz, Hadi & Fakoor, Mahdi, 2020. "Free vibration of a composite plate with spatially varying Gaussian properties under uncertain thermal field using assumed mode method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 559(C).
    2. Haque, Ruhul A.I. & Mitra, Atish J. & Tarafdar, Sujata & Dutta, Tapati, 2023. "Evolution of polygonal crack patterns in mud when subjected to repeated wetting–drying cycles," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    3. Ohnishi, Teruaki & Okada, Osami & Shirakata, Hirofumi, 2013. "Morphological similarity of road networks and cracks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(18), pages 4127-4133.

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