Investigation of the effect of microstructure on the R-Curve behavior of metal-ceramic composites

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Description

An investigation was made into the effect of microstructure on the peak toughness and shape of the crack growth resistance curves for two ceramic-metal composites. An Al{sup 2}O{sup 3}/Al composite formed by Reactive Metal Penetration was used along with an AlN/Al composite formed using a reactive infiltration technique. The results indicate that the toughness increases with an increase in the volume fraction of the metal phase for a particular composite composition, and the peak toughness and shape of the R-Curve also depend on the composite microstructure and metal composition.

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8 p.

Creation Information

Ellerby, D.T.; Flinn, B.D.; Scott, W.D.; Bordia, R.K.; Ewsuk, K.G.; Loehman, R.E. et al. July 1, 1995.

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This article 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. It has been viewed 32 times . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

An investigation was made into the effect of microstructure on the peak toughness and shape of the crack growth resistance curves for two ceramic-metal composites. An Al{sup 2}O{sup 3}/Al composite formed by Reactive Metal Penetration was used along with an AlN/Al composite formed using a reactive infiltration technique. The results indicate that the toughness increases with an increase in the volume fraction of the metal phase for a particular composite composition, and the peak toughness and shape of the R-Curve also depend on the composite microstructure and metal composition.

Physical Description

8 p.

Notes

OSTI as DE95015089

Source

  • 10. international conference on composite materials, Vancouver (Canada), 14-18 Aug 1995

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  • Other: DE95015089
  • Report No.: SAND--95-1481C
  • Report No.: CONF-950833--5
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 196589
  • Archival Resource Key: ark:/67531/metadc670403

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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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  • July 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Aug. 23, 2016, 3:08 p.m.

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Ellerby, D.T.; Flinn, B.D.; Scott, W.D.; Bordia, R.K.; Ewsuk, K.G.; Loehman, R.E. et al. Investigation of the effect of microstructure on the R-Curve behavior of metal-ceramic composites, article, July 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc670403/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.