The growth and evolution of elliptical micro-cracks in quasi-brittle materials

Min Jie Fang; Hui Lan Ren; Jian Guo Ning

doi:10.3969/j.issn.1001-4381.2013.02.007

The growth and evolution of elliptical micro-cracks in quasi-brittle materials

Min Jie Fang, Hui Lan Ren^*, Jian Guo Ning

^*Corresponding author for this work

School of Mechatronical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Growth and evolution of micro-cracks are the mechanism of damage and failure for quasi-brittle materials. The principle for growth and evolution of micro-cracks in quasic-brittle material subjected to loading is studied. The analytical solution is given for the growth of elliptical micro-cracks in elastic deformation stage by the method of complex potential functions. The critical stress condition for the starting damage is derived based on micro-crack growth criterion. The constitutive relation is developed based on the conservation of energy during the wing-crack propagating.

Original language	English
Pages (from-to)	35-39
Number of pages	5
Journal	Cailiao Gongcheng/Journal of Materials Engineering
Issue number	2
DOIs	https://doi.org/10.3969/j.issn.1001-4381.2013.02.007
Publication status	Published - Feb 2013

Keywords

Damage
Evolution
Micro-crack

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10.3969/j.issn.1001-4381.2013.02.007

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abstract = "Growth and evolution of micro-cracks are the mechanism of damage and failure for quasi-brittle materials. The principle for growth and evolution of micro-cracks in quasic-brittle material subjected to loading is studied. The analytical solution is given for the growth of elliptical micro-cracks in elastic deformation stage by the method of complex potential functions. The critical stress condition for the starting damage is derived based on micro-crack growth criterion. The constitutive relation is developed based on the conservation of energy during the wing-crack propagating.",

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author = "Fang, {Min Jie} and Ren, {Hui Lan} and Ning, {Jian Guo}",

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AU - Ren, Hui Lan

AU - Ning, Jian Guo

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N2 - Growth and evolution of micro-cracks are the mechanism of damage and failure for quasi-brittle materials. The principle for growth and evolution of micro-cracks in quasic-brittle material subjected to loading is studied. The analytical solution is given for the growth of elliptical micro-cracks in elastic deformation stage by the method of complex potential functions. The critical stress condition for the starting damage is derived based on micro-crack growth criterion. The constitutive relation is developed based on the conservation of energy during the wing-crack propagating.

AB - Growth and evolution of micro-cracks are the mechanism of damage and failure for quasi-brittle materials. The principle for growth and evolution of micro-cracks in quasic-brittle material subjected to loading is studied. The analytical solution is given for the growth of elliptical micro-cracks in elastic deformation stage by the method of complex potential functions. The critical stress condition for the starting damage is derived based on micro-crack growth criterion. The constitutive relation is developed based on the conservation of energy during the wing-crack propagating.

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KW - Evolution

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The growth and evolution of elliptical micro-cracks in quasi-brittle materials

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Keywords

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