Tensile and fatigue behavior of a SiC/SiC composite at 1,300 C

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Description

Monotonic and fatigue properties of a SiC/SiC composite were studied at 1,300 C in tension. All tests were conducted in nitrogen (N{sub 2}) to eliminate oxidation. Because of the composite architecture and the differences between matrix and fiber properties, the composite failure under both monotonic and cyclic loads took place in stages. In a monotonic test, the composite failure occurred by the creep of bridging fibers, and thus, fibers displayed nonbrittle fracture features. In fatigue tests, although creep was also occurring under cyclic loads, the fracture surface analysis showed that final fracture took place in a brittle manner.

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16 p.

Creation Information

Uenal, O. May 1, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Ames Laboratory
    Publisher Info: Ames Lab., IA (United States)
    Place of Publication: Iowa

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Description

Monotonic and fatigue properties of a SiC/SiC composite were studied at 1,300 C in tension. All tests were conducted in nitrogen (N{sub 2}) to eliminate oxidation. Because of the composite architecture and the differences between matrix and fiber properties, the composite failure under both monotonic and cyclic loads took place in stages. In a monotonic test, the composite failure occurred by the creep of bridging fibers, and thus, fibers displayed nonbrittle fracture features. In fatigue tests, although creep was also occurring under cyclic loads, the fracture surface analysis showed that final fracture took place in a brittle manner.

Physical Description

16 p.

Notes

OSTI as DE96008999

Source

  • 20. annual conference on composites, advanced ceramics, materials and structures-B, Cocoa Beach, FL (United States), 7-11 Jan 1996

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Identifier

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  • Other: DE96008999
  • Report No.: IS-M--851
  • Report No.: CONF-960106--11
  • Grant Number: W-7405-ENG-82
  • DOI: 10.2172/238543 | External Link
  • Office of Scientific & Technical Information Report Number: 238543
  • Archival Resource Key: ark:/67531/metadc670163

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • May 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • Dec. 4, 2015, 1:20 p.m.

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Uenal, O. Tensile and fatigue behavior of a SiC/SiC composite at 1,300 C, report, May 1, 1996; Iowa. (digital.library.unt.edu/ark:/67531/metadc670163/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.