Hot forging of graphite-carbide composites. Final report

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Description

This project was aimed at hot shaping of titanium carbide/graphite and vanadium carbide/graphite composite materials by heating them to above 2000 degrees celsius and pressing into an electrographite die. The sample was to be a preformed cylinder of powdered graphite mixed with powdered titanium or vanadium, lightly sintered. The preform would be heated in a hot press and the titanium or vanadium would react with some of the graphite to form titanium or vanadium carbide. The remaining (excess) graphite would form a composite with the carbide, and this could then be deformed plastically at temperatures well below the onset of ... continued below

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2 p.

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Jenkins, G.M. & Holland, L.R. July 15, 1998.

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Description

This project was aimed at hot shaping of titanium carbide/graphite and vanadium carbide/graphite composite materials by heating them to above 2000 degrees celsius and pressing into an electrographite die. The sample was to be a preformed cylinder of powdered graphite mixed with powdered titanium or vanadium, lightly sintered. The preform would be heated in a hot press and the titanium or vanadium would react with some of the graphite to form titanium or vanadium carbide. The remaining (excess) graphite would form a composite with the carbide, and this could then be deformed plastically at temperatures well below the onset of plasticity in pure graphite. There were to be two major thrusts in the research: In the first, an electron beam furnace at Sandia Laboratory was to be used for rapid heating of the sample, which would then be transferred into the press. The second thrust was to be entirely at Alabama A and M University, and here they intended to use a heated, controlled atmosphere press to forge the graphite/carbide preforms at a steady temperature and measure their viscosity as a function of temperature. This report discusses the progress made on this project.

Physical Description

2 p.

Notes

OSTI as DE98007347

Source

  • Other Information: PBD: 15 Jul 1998

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  • Other: DE98007347
  • Report No.: DOE/ER/54162--T1
  • Grant Number: FG05-92ER54162
  • DOI: 10.2172/638242 | External Link
  • Office of Scientific & Technical Information Report Number: 638242
  • Archival Resource Key: ark:/67531/metadc690333

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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.

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Creation Date

  • July 15, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 4, 2015, 6:34 p.m.

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Jenkins, G.M. & Holland, L.R. Hot forging of graphite-carbide composites. Final report, report, July 15, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc690333/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.