Toughened ultra-fine (Ti,W)(CN)–Ni cermets

Nanocrystalline (Ti,W)C–Ni and (Ti,W)(CN)–Ni powders were synthesized from oxides and sintered at 1510 °C for 1 h. The resulting microstructures demonstrated an ultra-fine, coreless phase 0.5–1.0 μm in diameter. In addition, the full density cermets had a significantly improved toughness (11–14 MPa...

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Bibliographic Details
Published in:Scripta materialia 2005, Vol.52 (2), p.129-133
Main Authors: Park, Sangho, Kang, Shinhoo
Format: Article
Language:English
Subjects:
(Ti,W)(CN)
Applied sciences
Cermets
Exact sciences and technology
Metals. Metallurgy
Nanocrystalline powders
Toughness
Ultra-fine
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Summary:Nanocrystalline (Ti,W)C–Ni and (Ti,W)(CN)–Ni powders were synthesized from oxides and sintered at 1510 °C for 1 h. The resulting microstructures demonstrated an ultra-fine, coreless phase 0.5–1.0 μm in diameter. In addition, the full density cermets had a significantly improved toughness (11–14 MPa m 1/2). The thermal stability of these phases was examined with reference to coarsening.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.09.017