Interface Behavior of a Bimaterial Plate under Dynamic Loading
Publication: Journal of Engineering Mechanics
Volume 136, Issue 10
Abstract
The paper deals with interface behavior of bimaterial ceramic-metal composites under dynamic time-harmonic load. The first plate is precracked with a normal crack touching the interface between the plates. It is assumed that the respective restriction for the ratio of energy release rates of the plates allowing the occurrence of an interface single delamination before the initiation of the normal crack in the second plate is satisfied. The growth of interface delamination is not considered. The used approximate shear-lag dynamic approach gives a possibility to obtain solutions in a closed form for axial and shear stresses of the structure. At an elastic-brittle interface behavior theoretical predictions for single debond length of two bimaterial structures are calculated. The parametric analysis reveals the sensitivity of the interface single debond length and shear stress to the type of bimaterial structure and to the characteristics of the dynamic load—in particular its frequency and amplitude. All results are illustrated in figures and tables and are discussed.
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Published In
Journal of Engineering Mechanics
Volume 136 • Issue 10 • October 2010
Pages: 1194 - 1201
Copyright
© 2010 ASCE.
History
Received: Jun 25, 2009
Accepted: Feb 25, 2010
Published online: Feb 27, 2010
Published in print: Oct 2010
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