Tensile and cyclic fatigue behavior of SiC whisker-reinforced Al{sub 2}O{sub 3} at room and elevated temperatures Metadata

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Title

  • Main Title Tensile and cyclic fatigue behavior of SiC whisker-reinforced Al{sub 2}O{sub 3} at room and elevated temperatures

Creator

  • Author: Liu, K. C.
    Creator Type: Personal
  • Author: Stevens, C. O.
    Creator Type: Personal
  • Author: Brinkman, C. R.
    Creator Type: Personal
    Creator Info: Oak Ridge National Lab., TN (United States). Metals and Ceramics Div.

Contributor

  • Sponsor: United States. Department of Energy.
    Contributor Type: Organization
    Contributor Info: USDOE, Washington, DC (United States)

Publisher

  • Name: Oak Ridge National Laboratory
    Place of Publication: Tennessee
    Additional Info: Oak Ridge National Lab., TN (United States)

Date

  • Creation: 1996-06-01

Language

  • English

Description

  • Content Description: Uniaxial tensile and cyclic fatigue data are reported for a commercial grade of silicon carbide whisker-reinforced alumina matrix composite (SiC{sub w}/Al{sub 2}O{sub 3}) tested at room and elevated temperatures. The data show that addition of short SiC{sub w} (30 vol%) in Al{sub 2}O{sub 3} can significantly increase room temperature tensile strength and resistance to cyclic fatigue of monolithic Al{sub 2}O{sub 3} by {approximately} 40% and {approximately} 100%, respectively, bringing the high-cycle fatigue strength (> 10{sup 5} cycle range) to {approximately} 95% of its tensile strength. These dramatic improvements in tensile and fatigue behavior were attributed to the presence of SiC{sub w} which effectively inhibited cyclic fatigue crack growth. The composite further exhibited excellent retention of tensile and cyclic fatigue strengths at elevated temperatures as high as 1,000 C for practical engineering applications.
  • Physical Description: 7 p.

Subject

  • Keyword: Tensile Properties
  • Keyword: Crack Propagation
  • Keyword: Silicon Carbides
  • Keyword: Ambient Temperature
  • STI Subject Categories: 36 Materials Science
  • Keyword: Composite Materials
  • Keyword: Experimental Data
  • Keyword: Aluminium Oxides
  • Keyword: Mechanical Tests
  • Keyword: Fatigue
  • Keyword: Temperature Range 1000-4000 K

Source

  • Conference: American Society of Mechanical Engineers (ASME) pressure vessels and piping conference, Montreal (Canada), 21-26 Jul 1996

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Other: DE96010566
  • Report No.: CONF-960706--15
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/244609
  • Office of Scientific & Technical Information Report Number: 244609
  • Archival Resource Key: ark:/67531/metadc673228

Note

  • Display Note: OSTI as DE96010566
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