Alumina composites for oxide/oxide fibrous monoliths

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Most work on ceramic fibrous monoliths (FMs) has focused on the Si{sub 3}N{sub 4}/BN system. In an effort to develop oxidation-resistant FMs, several oxide systems have recently been examined. Zirconia-toughened alumina and alumina/mullite appear to be good candidates for the cell phase of FMs. These composites offer higher strength and toughness than pure alumina and good high-temperature stability. By combining these oxides, possibly with a weaker high-temperature oxide as the cell-boundary phase, it should be possible to product a strong, resilient FM that exhibits graceful failure. Several material combinations have been examined. Results on FM fabrication and microstructural development are ... continued below

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11 p.

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Cruse, T. A.; Polzin, B. J.; Picciolo, J. J.; Singh, D.; Tsaliagos, R. N. & Goretta, K. C. March 1, 2000.

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Description

Most work on ceramic fibrous monoliths (FMs) has focused on the Si{sub 3}N{sub 4}/BN system. In an effort to develop oxidation-resistant FMs, several oxide systems have recently been examined. Zirconia-toughened alumina and alumina/mullite appear to be good candidates for the cell phase of FMs. These composites offer higher strength and toughness than pure alumina and good high-temperature stability. By combining these oxides, possibly with a weaker high-temperature oxide as the cell-boundary phase, it should be possible to product a strong, resilient FM that exhibits graceful failure. Several material combinations have been examined. Results on FM fabrication and microstructural development are presented.

Physical Description

11 p.

Notes

INIS; OSTI as DE00752862

Medium: P; Size: 11 pages

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  • 24th Annual Cocoa Beach Conference, Cocoa Beach, FL (US), 01/23/2000--01/28/2000

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  • Report No.: ANL/ET/CP-99670
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 752862
  • Archival Resource Key: ark:/67531/metadc707940

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  • March 1, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2017, 7:23 p.m.

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Cruse, T. A.; Polzin, B. J.; Picciolo, J. J.; Singh, D.; Tsaliagos, R. N. & Goretta, K. C. Alumina composites for oxide/oxide fibrous monoliths, article, March 1, 2000; Illinois. (digital.library.unt.edu/ark:/67531/metadc707940/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.