期刊
ENGINEERING FRACTURE MECHANICS
卷 219, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2019.106595
关键词
Fibre reinforced materials; Polymer matrix composites; Damage mechanics; Micromechanics and/or materials; Crack initiation
类别
资金
- Council for Science, Technology and Innovation (CSTI), Cross-ministerial Strategic Innovation Promotion Program (SIP), Materials Integration for revolutionary design system of structural materials (JST)
- JSPS KAKENHI [18J20899]
- University of Washington-Tohoku University: Academic Open Space (UW-TU: AOS)
- Grants-in-Aid for Scientific Research [18J20899] Funding Source: KAKEN
An analytical three-dimensional effective elastic constant of transversely isotropic plates that include ply cracks is proposed using a continuum damage mechanics approach. Two damage parameters associated with tensile and shear damage are formulated as functions of ply crack density using local stress fields that satisfy the equilibrium equations. Three-dimensional laminate theory is then employed to formulate the effective compliance of the laminate using the effective compliance of a damaged ply, and an analytical steady-state cracking model is established. The proposed model reproduces the thermomechanical properties and the crack initiation stress of laminates.
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