Microscopic aspects of crack propagation along PET-glass and PET-Al interfaces

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:43

Article; Proceedings Paper

Vellinga, W. P. ; Timmerman, R. ; van Tijum, R. ; De Hosson, J. Th. M.

关键词: polymer metal interfaces;    interface cracks;    delamination;    crack propagation;    microscopy;   

DOI  :  10.1016/j.ijsolstr.2006.05.008

来源: Elsevier

【 摘 要 】

This paper reports microscopic investigations of the propagation of cracks along polymer-glass and polymer-metal interfaces. The experimental methods include an asymmetric double cantilever beam in an optical microscope, and bire-fringence and atomic force microscopy of the crack faces. The crack fronts propagate inhomogeneously in space and time by way of forward bursts that spread laterally along the front over a certain distance. Experimental indications for correlation between crack propagation and interface roughness and for the occurrence of shear-bands in front of the propagating interface cracks are discussed. (c) 2006 Elsevier Ltd. All rights reserved.

【 授权许可】

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