Micromechanics-based viscoelastic damage model for particle-reinforced polymeric composites

Title
Micromechanics-based viscoelastic damage model for particle-reinforced polymeric composites
Authors
양범주김봉래이행기
Issue Date
2012-06
Publisher
Acta mechanica
Citation
VOL 223, NO 6-1321
Abstract
The objective of this study is to develop a micromechanics-based viscoelastic damage model that can predict the overall viscoelastic behavior of particle-reinforced polymeric composites undergoing damage. The emphasis here is that the present model successfully combines a rate-dependent viscoelastic constitutive model and a damage model. The Laplace transform based on the Boltzmann superposition principle and the ensemble-volume averaged method suggested by Ju and Chen (Acta Mech 103:103-121, 1994a; Acta Mech 103:123-144, 1994b) are extended toward effective viscoelastic properties. Further, the probability of the distribution function of Weibull (J Appl Mech 18:293-297, 1951) is adopted to describe a damage model that is dependent on damage parameters. A series of numerical simulations including parametric studies, and experimental comparisons are carried out to give insight into the potential capacity of the present micromechanics-based viscoelastic damage framework.
URI
http://pubs.kist.re.kr/handle/201004/65327
ISSN
0001-5970
Appears in Collections:
KIST Publication > Article
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