Oxidation-resistant interfacial coatings for continuous fiber ceramic composites

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Developing an oxidation-resistant interfacial coating for continuous fiber ceramic composites (CFCCs) continues to be a major challenge. CFCCs` mechanical behavior are influenced by the interfacial bonding characteristics between the fiber and the matrix. Finite element modeling studies suggest that a low-modulus interfacial coating material will be effective in reducing the residual thermal stresses that are generated upon cooling from processing temperatures. Nicalon/SiC composites with carbon, alumina and mullite interfacial coatings were fabricated with the SiC matrix deposited using a forced-flow chemical vapor infiltration process. Composites with mullite interfacial coatings exhibited considerable fiber pull-out even after oxidation and have potential as ... continued below

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11 p.

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Shanmugham, S.; Liaw, P.K.; Stinton, D.P.; Bleier, A.; Besmann, T.M.; Lara-Curzio, E. et al. June 1, 1995.

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Description

Developing an oxidation-resistant interfacial coating for continuous fiber ceramic composites (CFCCs) continues to be a major challenge. CFCCs` mechanical behavior are influenced by the interfacial bonding characteristics between the fiber and the matrix. Finite element modeling studies suggest that a low-modulus interfacial coating material will be effective in reducing the residual thermal stresses that are generated upon cooling from processing temperatures. Nicalon/SiC composites with carbon, alumina and mullite interfacial coatings were fabricated with the SiC matrix deposited using a forced-flow chemical vapor infiltration process. Composites with mullite interfacial coatings exhibited considerable fiber pull-out even after oxidation and have potential as a composite system.

Physical Description

11 p.

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OSTI as DE95013354

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  • 19. annual conference on advanced ceramics, materials and structures, Cocoa Beach, FL (United States), 9-12 Jan 1995

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  • Other: DE95013354
  • Report No.: CONF-950129--9
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 79976
  • Archival Resource Key: ark:/67531/metadc742763

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  • June 1, 1995

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  • Oct. 19, 2015, 7:39 p.m.

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  • Jan. 22, 2016, 1:02 p.m.

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Shanmugham, S.; Liaw, P.K.; Stinton, D.P.; Bleier, A.; Besmann, T.M.; Lara-Curzio, E. et al. Oxidation-resistant interfacial coatings for continuous fiber ceramic composites, article, June 1, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc742763/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.