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General solutions of a concentric penny-shaped crack in a thick plate sandwiched between two different outer layers

✍ Scribed by X.S. Zhang

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 512 KB
Volume: 31
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(88)90099-9

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✦ Synopsis

Aketrnct-Making

use of the special result of a three-layered system with a concentric penny-shaped crack;.the solution of a concentric penny-shaped crack at the interface between two different media may easily be found at once. Hence, we must first give the solution to a concentric penny-shaped crack in a circular plate of infinite radius sandwiched between two dissimilar outer layers in this paper. In accordance with its special solution, we shall find a very important conclusion that the stress intensity factors Kr and Ku can not exist at the same time in the problem of a penny-shaped crack at the interface between two half-spaces of different materials under normal or shear stress alone, and that they are independent of material constants.

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