Crack Growth and Plastic Relaxation in a Drying Paste Layer

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概要

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• Uniform drying causes a quasi-two-dimensional cellular crack pattern in a thin layer of paste. In our previous research, we found that such cracks are created in a capillary state, and that the growth speed is determined by the rate of increase in tension in the layer, rather than by the magnitude of the tension itself. In this paper, we present a theoretical investigation of the effects of increasing negative pore pressure and plastic deformation on crack growth using a modified spring network model. The analytical and numerical results indicate that the stress-rate dependence of crack speed could be caused by the competition between plastic relaxation and crack growth.

• 2010-12-15

著者

• Kitsunezaki So

  Department Of Physics Graduate School Of Human Culture Nara Women's University

• Kitsunezaki So

  Department of Physics, Graduate School of Human Culture, Nara Women's University, Nara 630-8506, Japan

関連論文

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• Crack Growth and Plastic Relaxation in a Drying Paste Layer

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