Stress transfer problems for a fully embedded fiber with a bonded interface and bonded ends

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Stress transfer between fibers and matrix in fiber-reinforced composite was analyzed extensively using a shear lag model. Ends of the embedded fiber are generally assumed to debond from the matrix and stress transfer occurs only at the interface along the fiber length. The debonded ends are stress-free and the boundary condition at debonded ends in solving the stress transfer problem is trivial. When the fiber ends are bonded to the matrix, stress transfer also occurs at bonded ends, and the sress at bonded endsis finite. However, this finite stress is not a predetermined value, and the boundary condition at bonded ... continued below

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6 p.

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Hsueh, Chun-Hway June 1, 1996.

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Stress transfer between fibers and matrix in fiber-reinforced composite was analyzed extensively using a shear lag model. Ends of the embedded fiber are generally assumed to debond from the matrix and stress transfer occurs only at the interface along the fiber length. The debonded ends are stress-free and the boundary condition at debonded ends in solving the stress transfer problem is trivial. When the fiber ends are bonded to the matrix, stress transfer also occurs at bonded ends, and the sress at bonded endsis finite. However, this finite stress is not a predetermined value, and the boundary condition at bonded ends becomes ambiguous. To resolve this ambiguity, a technique of adding imaginary fibers in the shear lag model is developed. Stress trnafer problems are analyzed when the composite is subjected to residual stresses or load. Comparison with experimental result is also made.

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6 p.

Notes

OSTI as DE96009399

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  • 2. international meeting of Pacific Rim Ceramic Society, Cairns (Australia), 15-17 Jul 1996

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  • Other: DE96009399
  • Report No.: CONF-960793--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 238444
  • Archival Resource Key: ark:/67531/metadc668704

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Jan. 21, 2016, 12:35 p.m.

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Hsueh, Chun-Hway. Stress transfer problems for a fully embedded fiber with a bonded interface and bonded ends, article, June 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc668704/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.