Journal ArticleDOI
Biaxial Loading Experiments for Determining Interfacial Fracture Toughness
Kenneth M. Liechti,Y. S. Chai +1 more
TLDR
In this paper, the authors established the range of in-plane fracture mode mixtures and contact zone sizes that can be obtained from an edge-cracked bimaterial strip under biaxial applied displacements.Abstract:
The paper establishes the range of in-plane fracture mode mixtures and contact zone sizes that can be obtained from an edge-cracked bimaterial strip under biaxial applied displacements. The development of a suitable loading device for and the application of crack opening interferometry to interfacial crack initiation experiments is described. The crack initiation process under bond-normal loading is examined in detail for a glass/epoxy interface in order to establish a hybrid optical interference/finite element analysis technique for extracting mixed-mode fracture parameters.read more
Citations
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Book ChapterDOI
Mixed mode cracking in layered materials
John W. Hutchinson,Zhigang Suo +1 more
TL;DR: In this article, the authors describe the mixed mode cracking in layered materials and elaborates some of the basic results on the characterization of crack tip fields and on the specification of interface toughness, showing that cracks in brittle, isotropic, homogeneous materials propagate such that pure mode I conditions are maintained at the crack tip.
Journal ArticleDOI
Asymmetric Shielding in Interfacial Fracture Under In-Plane Shear
Kenneth M. Liechti,Y. S. Chai +1 more
TL;DR: In this paper, the toughness of a glass/'epoxy interface was measured over a wide range of mode mixes and the results suggest that the inelastic behavior of the epoxy, frictional, and, perhaps, three-dimensional effects should be considered.
Journal ArticleDOI
Compositionally graded materials with cracks normal to the elastic gradient
TL;DR: In this paper, mixed-mode crack tip deformations and fracture parameters in glass-filled epoxy beams with cracks normal to the elastic gradient were studied and a companion finite element model was developed and validated by the measurements.
Journal ArticleDOI
A single leg bending test for interfacial fracture toughness determination
TL;DR: In this paper, a single leg bending test is described and its suitability for interfacial fracture toughness testing is evaluated, which consists of a beam-type geometry comprised of two materials, one "top" and one "bottom" with a split at one end along the bimaterial interface.
Journal ArticleDOI
A mixed-mode failure criterion derived from tests on symmetric and asymmetric specimens
F. Ducept,D. Gamby,Peter Davies +2 more
TL;DR: In this article, the authors used the double cantilever beam (DCB) specimen for mode I, end-notched flexure (ENF) for mode II and mixed-mode bending (MMB) for I/II mixedmode loading.
References
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Journal ArticleDOI
Interface crack between two elastic layers
Zhigang Suo,John W. Hutchinson +1 more
TL;DR: In this article, a semi-infinite interface crack between two infinite isotropic elastic layers under general edge loading conditions is considered and the problem can be solved analytically except for a single real scalar independent of loading, which is then extracted from the numerical solution for one particular loading combination.
Journal ArticleDOI
A Test Specimen for Determining the Fracture Resistance of Bimaterial Interfaces
TL;DR: In this paper, a finite element approach has been used to characterize trends in the stress intensities and center point displacement with specimen dimensions, elastic properties, and crack length with finite element approaches.
Journal ArticleDOI
Elastic-Plastic Analysis of Cracks on Bimaterial Interfaces: Part I—Small Scale Yielding
C. F. Shih,R. J. Asaro +1 more
TL;DR: In this article, a geometrically rigourous formulation of J 2 flow theory taking full account of crack-tip blunting is presented. But the focus is on opening dominated load states and the scope is broadened to include finite ligament plasticity and finite deformation effects on near-tip fields.
Journal ArticleDOI
The strength of adhesive joints using the theory of cracks
B. M. Malyshev,R. L. Salganik +1 more
TL;DR: In this article, the elastic analysis of non-homogeneous media in which the ratio of normal and shear stress appears as the important parameter is used to determine the dependence of adhesive joints in three separate experimental configurations.