Prototype development and testing of ultrafine grain NZP ceramics. Final report, July 28, 1995--April 27, 1997

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The goal of this project was to demonstrate that a new low-expanding ceramic (Ca{sub 0.6},Mg{sub 0.4})Zr{sub 4}(PO{sub 4}){sub 6}, hereafter referred to as CMZP, could be used as an exhaust manifold liner in off-road diesel engines and provide improved engine efficiency (by permitting higher engine operating temperature). This study has successfully demonstrated this improvement and further engine testing (and possible manufacturing) is presently underway at Caterpillar Inc. Laboratories. Basically this program involved two subcontracts: one to Virginia Tech to develop sintering procedures for CMZP, and one to Caterpillar, Inc. to develop slip casting procedures for CMZP. Nearly 100kg of CMZP ... continued below

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107 p.

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Brown, J.J. August 4, 1997.

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Description

The goal of this project was to demonstrate that a new low-expanding ceramic (Ca{sub 0.6},Mg{sub 0.4})Zr{sub 4}(PO{sub 4}){sub 6}, hereafter referred to as CMZP, could be used as an exhaust manifold liner in off-road diesel engines and provide improved engine efficiency (by permitting higher engine operating temperature). This study has successfully demonstrated this improvement and further engine testing (and possible manufacturing) is presently underway at Caterpillar Inc. Laboratories. Basically this program involved two subcontracts: one to Virginia Tech to develop sintering procedures for CMZP, and one to Caterpillar, Inc. to develop slip casting procedures for CMZP. Nearly 100kg of CMZP were prepared by MATVA, Inc. and Virginia Tech for use by Caterpillar. Virginia Tech developed detailed sintering procedures for CMZP and Caterpillar developed slip casting procedures and manufactured several exhaust manifold elbows. These elbows have been cast into prototype cylinder heads and have been shown to be acceptable replacements for metal manifolds. (Caterpillar advises that a new component may require up to 6 years of testing and qualification before acceptance as standard diesel engine part).

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107 p.

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OSTI as DE97009224

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  • Other Information: PBD: 4 Aug 1997

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  • Other: DE97009224
  • Report No.: DOE/EE/15598--T8
  • Grant Number: FG01-95EE15598
  • DOI: 10.2172/531113 | External Link
  • Office of Scientific & Technical Information Report Number: 531113
  • Archival Resource Key: ark:/67531/metadc694546

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Office of Scientific & Technical Information Technical Reports

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  • August 4, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 13, 2015, 10:52 p.m.

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Brown, J.J. Prototype development and testing of ultrafine grain NZP ceramics. Final report, July 28, 1995--April 27, 1997, report, August 4, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc694546/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.