Environmental and thermal effects on the toughness of TiCN-based materials (Monografia o trattato scientifico)

Type
Label
  • Environmental and thermal effects on the toughness of TiCN-based materials (Monografia o trattato scientifico) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • Guicciardi S., Melandri C., Monteverde F., Bellosi A., De Portu G. (2002)
    Environmental and thermal effects on the toughness of TiCN-based materials
    , 2002
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Guicciardi S., Melandri C., Monteverde F., Bellosi A., De Portu G. (literal)
Pagina inizio
  • 187 (literal)
Pagina fine
  • 198 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#citta
  • West Conshohocken, PA, USA (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 1409 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatori
  • J. A. Salem, G. D. Quinn, and M. G. Jenkins (literal)
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  • 12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Research Institute for Ceramics Technology (IRTEC-CNR), Via Granarolo 64,1-48018 Faenza, Italy. (literal)
Titolo
  • Environmental and thermal effects on the toughness of TiCN-based materials (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#inCollana
  • Fracture Resistance Testing of Monolithic and Composite Brittle Materials (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 0-8031-2880-0 (literal)
Abstract
  • Titanium carbonitrides (TiCN) are very hard materials with increasing technological importance. They are mainly applied in composites with various meta l carbides and/or metallic binders for cutting tools. In these applications, high temperatures are usually involved and, sometimes, chemical reactions. Being composed of a metallic-binder phase, in which a hard ceramic phase is dispersed , the performance of these materials can be largely affected by temperature and environment. In this work, nearly fully-dense TiCN based cermets have been produced starting from the following composition (wt%): TiC0.5N0.5+l5.3(WC-5%Co)+6.2Ni+2.1Co. Some of the mechanical prope rties have been routine ly measured, such as hardness, Young modulus, fracture toughness and flexural strength. The main effort has been devoted to the study of the effects of temperature and environment on the fracture toughness. Chevron notch tests have been carried out at room temperature, 600 °C, 800 °C and l000 °c in static air, flowing air and flowing nitrogen atmosphere. The influence of the interaction between temperature, environment and microstructure on the fracture behavior has been analyzed. (literal)
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