The Cr-Nb-C melting diagram in the region (Cr)-(Nb)-(NbC)

被引：0
|
作者：
Velikanova, T.Ya. [1 ]
Bondar, A.A. [1 ]
Dovbenko, O.I. [1 ]
机构：
[1] Inst. Problem Materialovedeniya, NAN Ukrainy, Kiev, Ukraine
来源：
Poroshkovaya Metallurgiya | 2002年 / 11-12期
关键词：
Carbides - Chromium alloys - Crystallization - Eutectics - Melting - Niobium alloys - Phase diagrams - Phase equilibria;
D O I：
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摘要：
An experimental investigation of the Cr-Nb-C alloys in (Cr)-(Nb)-(NbC) area has shown that in this area (subsystem) there are two invariant eutectic equilibria: LE ↔ (Nb) + (Nb2C) + (NbCr2) at 1660°C and LE ↔ (NbC) + (Cr) + (NbCr2) at 1620°C, the transition equilibrium LU + (Nb2C) ↔ (NbC) + (NbCr2) at 1680°C and two quasi-binary eutectics: Le ↔ (NbC) + (Cr) at 1640°C and Le ↔ (NbC) + (NbCr2) at 1696°C. The solidus and liquidus surface projections and the melting diagrams of the subsystem were constructed.
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页码：73 / 80
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