✦ LIBER ✦

Stress intensity factors for interlaminar cracked composites under arbitrary normal crack surface loading

✍ Scribed by Sung Ho Kim; Kang Yong Lee; Moon Bok Park

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 588 KB
Volume: 35
Category: Article
ISSN: 0020-7683
DOI: 10.1016/s0020-7683(97)00259-x

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✦ Synopsis

Abstraet--A model is constructed to evaluate the stress intensity factors (SIFs) for composites with an inter-laminar crack subjected to an arbitrary normal loading. A mixed boundary value problem is formulated by the Fourier integral transform method and a Fredholm integral equation of the first kind is derived. The integral equation is solved numerically. The mode I SIFs are evaluated for various ratios of shear moduli of successive layers and ratios of crack length-to-layer thickness. Furthermore, the terms as well as the shape of crack surface polynomial loading and the number of layers affect the variation of SIFs.

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