Document Type

Article

Source Publication Title

Composites Part A: Applied Science and Manufacturing

First Page

202

Last Page

212

DOI

10.1016/j.compositesa.2018.12.020

Abstract

The Clamped Tapered Beam Specimen (CTBS) designed to study the initiation of matrix cracking and delamination and their propagation including delamination migration from one interface to another was considered. Regularized eXtended Finite Element Method (Rx-FEM), which allows modeling the matrix cracking in a direction independent of finite element boundaries, was used for the analyses. The key parameters which were compared with the data obtained during the simultaneously conducted experimental program included peak loads, matrix crack initiation locations and delamination migration locations. The predicted peak loads were within the experimental range when high transverse strength values obtained from three point bend tests were used in the predictions. The matrix crack initiation location as well as delamination migration locations were correctly predicted by taking into account residual thermal stresses and implementing energy dissipation based load control algorithms to model delamination migration during unstable crack propagation.

Disciplines

Engineering | Materials Science and Engineering

Publication Date

3-1-2019

Language

English

Comments

Contact librariesops@uta.edu if you are the author.

Available for download on Wednesday, January 01, 3000

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