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The annular crack in a nonhomogeneous matrix surrounding a fiber under torsional loading—I. Inner crack tip away from or terminating at the interface

✍ Scribed by Han Xue-Li; Wang Duo

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 351 KB
Volume: 53
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(95)00022-4

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✦ Synopsis

The axisymmetric problem of an elastic fiber perfectly bonded to a nonhomogeneous elastic matrix which contains an annular crack surrounding the fiber under axially symmetric shear stress is considered. The problem is formulated in terms of a singular integral equation with a Cauchy type kernel. When the inner crack tip terminates at the interface with discontinuous modulus, the stress singularity is not -1/2. Stress intensity factors are given when the inner crack tip is away from and at the interface.

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The crack problem of a fiber-matrix composite with a nonhomogeneous interfacial zone under torsional loading—Part I. A cylindrical crack in the interfacial zone

✍ Han Xue-Li; Wang Duo 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 306 KB

In this paper the cylindrical crack problem in the interracial zone of two coaxial elastic cylinder under torsional loading is considered. The interracial zone is modeled by a nonhomogeneous layer. The problem is formulated in terms of a singular integral equation with a Cauchy type kernel, Numerica