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A continuum damage model for transverse cracking in UD composites of linear viscoelastic behaviour

Xu, Fei; Jones, I. Arthur; Li, Shuguang


Fei Xu

I. Arthur Jones

Shuguang Li


A damage model for linear viscoelastic unidirectional (UD) composites undergoing transverse matrix cracking is proposed. The damage representation for the corresponding elastic UD composite with an array of dispersed matrix cracks was derived from Li's work based on continuum damage mechanics (CDM). The elastic-viscoelastic correspondence principle (CP) was used to obtain the damage representation for corresponding linear viscoelastic UD composites in the Laplace domain, and re-expressed the time domain by taking the inverse Laplace transformation. A damage evolution law was constructed using the Weibull distribution of defects which will develop into cracks as a result of deformation. The time-temperature superposition principle (TTSP) approach has been incorporated into this model. Applications of this damage model are described in detail, and the predictions are compared with experimental data.

Journal Article Type Article
Publication Date Oct 1, 2019
Journal Composite Structures
Print ISSN 0263-8223
Electronic ISSN 1879-1085
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 225
Article Number 110812
APA6 Citation Xu, F., Jones, I. A., & Li, S. (2019). A continuum damage model for transverse cracking in UD composites of linear viscoelastic behaviour. Composite Structures, 225, doi:10.1016/j.compstruct.2019.03.084
Keywords Damage, Linear viscoelasticity, Correspondence principle, Transverse matrix; cracks, Weibull distribution, Time-temperature superposition principle (TTSP)
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