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Chromium carbide This inorganic compound has a chemical composition of Cr3C2 with a molecular number of 180.01. Chromium carbide powder (Cr3C2) has a gray color and metallic luster. Chromium carbide is a powder with good corrosion resistance, wear resistance and oxidation under high temperatures (1000-1100).

Chromium Carbide Preparation

Metal chromium Powder Carbonization MethodThe metal chromium is then dry mixed in a mill using a 325 mesh metal powder.

In a Taman heater or an induction furnace, heat the molding powder to 1500-1700degC. Heat the hydrogen stream (hydrogen’s dew point is -35degC), and then keep it at 1500-1700degC for an hour. This will cause chromium carbonization, resulting in chromium carburide. The chromium is converted to chromium carburide after cooling.

Chromium Carbide Application

1. It is made of nickel-chromium alloy with cemented carbide particles. It is a nickel-chromium metal alloy coated with cemented carbon particles. Plasma spraying has been widely used for high-temperature resistant coatings.

2. Chromium carburide is used in the manufacture of cemented carbide as well as other components resistant to corrosion and wear. Cermets based upon Cr3C2 exhibit excellent oxidation resistance even at high temperature.

3. Chromium carbide is used in chromium-carbide ceramics. As a melt blown material, coarse-grained chrome carbide can be used to create a coating on metals or ceramics that has properties like heat resistance and corrosion resistance. It is widely used to improve the durability of aircraft engines and components for petrochemical machines.

4. Spraying semiconductor films with chromium-carbide is another option.

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