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Title: Void growth and interaction in a soft material
Authors: Wong, W.H.
Guo, T.F. 
Cheng, L. 
Keywords: Discrete voids
Soft material
Void growth
Issue Date: 20-Jan-2010
Citation: Wong, W.H., Guo, T.F., Cheng, L. (2010-01-20). Void growth and interaction in a soft material. International Journal of Modern Physics B 24 (1-2) : 295-304. ScholarBank@NUS Repository.
Abstract: Void growth and interaction in a soft material is explored numerically in this work in a three-dimensional context. Discrete initially spherical voids are explicitly modeled ahead of a crack front under small-scale yielding. While a multiple void interaction mechanism can be identified in our study, computations show a qualitatively similar void growth exhibited for the initial void volume fractions considered, f0 = 0.1% and 1%. Extensive void growth in the damage process zone are observed upon application of load, with the resultant deformed voids taking on a prolated void shape. A micromechanical analysis of void growth is also carried out and the numerical results suggest a failure mechanism in the soft material not attributed to void coalescence but by a mechanism analogous to tearing. © World Scientific Publishing Company.
Source Title: International Journal of Modern Physics B
ISSN: 02179792
DOI: 10.1142/S021797921006423X
Appears in Collections:Staff Publications

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