Microstructure and properties of pressureless sintered ZrC-based materials (Articolo in rivista)

Type
Label
  • Microstructure and properties of pressureless sintered ZrC-based materials (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Silvestroni L.; Sciti D. (2008)
    Microstructure and properties of pressureless sintered ZrC-based materials
    in Journal of materials research
    (literal)
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  • Silvestroni L.; Sciti D. (literal)
Pagina inizio
  • 1882 (literal)
Pagina fine
  • 1889 (literal)
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  • 23 (literal)
Rivista
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  • In: Journal of Materials Research, vol. 23 (7) pp. 1882 - 1889. Materials Research Society, 2008. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • CNR-ISTEC, Faenza (literal)
Titolo
  • Microstructure and properties of pressureless sintered ZrC-based materials (literal)
Abstract
  • ZrC-based composites were produced by pressureless sintering thanks to the addition of MOSi2 as sintering aid. After preliminary tests, a baseline ZrC material and two mixed ZrC-HfC and ZrC-ZrB2 composites with 20 vol% MOSi2 were densified at 1900 to 1950°C reaching final relative densities of 96%-98%. Mean particle size of the dense bodies ranged from 5 to 9 micron. Secondary phases were found to form during sintering, such as SiC and Zr-Mo-Si-based compounds. Room-temperature mechanical properties were in the range of the values reported in the literature for similar materials densified by pressure-assisted techniques. The flexural strength was tested at room temperature, 1200 and 1500°C. (literal)
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