Quasi-binary metal-carbide eutectic of Cr–Ta–C system

Quasi-binary metal-carbide eutectic of Cr–Ta–C system

An experimental investigation of the Cr–Ta–C alloys has shown that in the (Cr)+(TaC) two-phase region there are the fold with maximal solidus temperature and the saddle point Cr 82.5Ta 10C 7.5 on the liquidus surface, corresponding to the invariant equilibrium L e⇔(Cr)+(TaC) at ∼1695 °C. High temper...

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Veröffentlicht in:Materials letters 2003-06, Vol.57 (19), p.2866-2871
Hauptverfasser: Dovbenko, O.I., Bondar, A.A., Velikanova, T.Ya, Bilous, O.O., Burka, M.P., Martseniuk, P.S., Shapoval, T.O., Tsyganenko, N.I.
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Carbide
Chromium
Cross-disciplinary physics: materials science
rheology
Cr–Ta–C
Exact sciences and technology
Hardness
Materials science
Metals
Phase diagrams
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Phase diagrams of metals and alloys
Physics
Quasi-binary eutectic
Tantalum
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Zusammenfassung:An experimental investigation of the Cr–Ta–C alloys has shown that in the (Cr)+(TaC) two-phase region there are the fold with maximal solidus temperature and the saddle point Cr 82.5Ta 10C 7.5 on the liquidus surface, corresponding to the invariant equilibrium L e⇔(Cr)+(TaC) at ∼1695 °C. High temperature Vickers hardness for the eutectic alloy was found to be on high level up to 1000 °C.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(02)01389-7