Interaction of Vanadium Carbide with A Nickel-Molybdenum Alloy
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- Category: Molybdenum knowledge
- Published on 10 July 2013
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Melting and solidification temperatures for nickel molybdenum alloys containing 10% (by weight) of vanadium carbide are determined. Introduction of vanadium carbide into Ni-Mo alloy reduces the melting temperature by 20°C.
The alloys consist of two phases: a solid solution based on nickel and a carbide component resembling needle-shaped inclusions of the eutectic type.
Traces of eutectic are observed with 1% VC in a sample. Dissolution of vanadium in the Ni-Mo alloy mentioned does not exceed 1% . The presence of two phases and their approximate composition in the alloys are confirmed by x-ray diffraction analysis.
The solid solution based on nickel contains molybdenum (10–20%) and vanadium (1–6%). The carbide component is a vanadium-containing phase based on molybdenum with a crystal lattice of the Mo2C type.
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