Joining of ultra-refractory carbides (Articolo in rivista)

Type
Label
  • Joining of ultra-refractory carbides (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jeurceramsoc.2012.07.019 (literal)
Alternative label
  • Silvestroni, Laura; Sciti, Diletta; Esposito, Laura; Glaeser, Andreas M. (2012)
    Joining of ultra-refractory carbides
    in Journal of the European Ceramic Society
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Silvestroni, Laura; Sciti, Diletta; Esposito, Laura; Glaeser, Andreas M. (literal)
Pagina inizio
  • 4469 (literal)
Pagina fine
  • 4479 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • ID_PUMA: cnr.istec/2012-A0-028. Area di valutazione: 03 - Scienze chimiche. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/j.jeurceramsoc.2012.07.019 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 32 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 16 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ISTEC, Faenza; Department of Materials Science and Engineering, 319 Hearst Memorial Mining Building, MC1760, University of California, Berkeley, CA 94720-1760, United States (literal)
Titolo
  • Joining of ultra-refractory carbides (literal)
Abstract
  • Transient-liquid-phase (TLP) bonding enables joining at reduced temperatures relative to those required by more traditional joining routes while preserving the potential for high-temperature applications of ultrarefractory carbides. Pure ZrC, HfC and TaC ultra-high temperature ceramics (UHTCs) were joined using a multilayer Ni/Nb/Ni interlayer by executing a 30-min bonding cycle under low load (<1.3 kPA) at 1400°C in a high-vacuum furnace. Microstructural and microchemical analyses of the resulting joints were conducted using scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS). The SEM/EDS analysis suggests that the (Ni,Nb)-containing liquid formed during bonding wets the carbide matrices properly, resulting in well-bonded crack-free interfaces between the UHTCs and the Nb-rich interlayer. Although there were many similarities between the resulting joints, the microstructures in the interlayer-carbide transition regions also exhibited considerable diversity (literal)
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