Fiber-matrix interfaces in ceramic composites

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Description

The mechanical properties of ceramic matrix composites (CMCs) are governed by the relationships between the matrix, the interface material, and the fibers. In non-oxide matrix systems compliant pyrolytic carbon and BN have been demonstrated to be effective interface materials, allowing for absorption of mismatch stresses between fiber and matrix and offering a poorly bonded interface for crack deflection. The resulting materials have demonstrated remarkable strain/damage tolerance together with high strength. Carbon or BN, however, suffer from oxidative loss in many service environments, and thus there is a major search for oxidation resistant alternatives. This paper reviews the issues related to ... continued below

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14 p.

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Besmann, T.M.; Stinton, D.P.; Kupp, E.R.; Shanmugham, S. & Liaw, P.K. December 31, 1996.

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Description

The mechanical properties of ceramic matrix composites (CMCs) are governed by the relationships between the matrix, the interface material, and the fibers. In non-oxide matrix systems compliant pyrolytic carbon and BN have been demonstrated to be effective interface materials, allowing for absorption of mismatch stresses between fiber and matrix and offering a poorly bonded interface for crack deflection. The resulting materials have demonstrated remarkable strain/damage tolerance together with high strength. Carbon or BN, however, suffer from oxidative loss in many service environments, and thus there is a major search for oxidation resistant alternatives. This paper reviews the issues related to developing a stable and effective interface material for non-oxide matrix CMCs.

Physical Description

14 p.

Notes

OSTI as DE97001653

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  • 1996 Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 2-6 Dec 1996

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  • Other: DE97001653
  • Report No.: CONF-961202--13
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/425298 | External Link
  • Office of Scientific & Technical Information Report Number: 425298
  • Archival Resource Key: ark:/67531/metadc678634

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  • December 31, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 25, 2016, 12:22 p.m.

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Besmann, T.M.; Stinton, D.P.; Kupp, E.R.; Shanmugham, S. & Liaw, P.K. Fiber-matrix interfaces in ceramic composites, report, December 31, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc678634/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.