Molybdenum News Center

Molybdenum Usage in Car Spraying

The melting point of molybdenum up 2620 ℃, and good high temperature performance and corrosion resistance, molybdenum and steel combined with strong, which is the major auto parts production thermal spray materials. Auto parts commonly used molybdenum wire HVOF, spray gun produces high-temperature gas mixture injection gas combustion devices, specially designed combustion chamber and the gas jet mixing chamber, so that complete melting molybdenum wire in front, very high speed spray in the workpiece On the surface, spray density of molybdenum over 99%, combined with strength close to 10 kg / mm 2. This process can effectively improve the wear resistance by grinding, also provides a porous surface can be impregnated with lubricants. It is widely used in automobile industry to improve the piston ring, ring, fork and other components subject to wear performance, but also to repair worn crankshaft, roller, shaft and other mechanical parts. Spray molybdenum wire, according to information on the European market, annual sales of up to 1,000 tons, the U.S. consumption is 600 tons per year or so, Japan consumes each year 30-40 tonnes of molybdenum, molybdenum wire coating market capacity in China is still less than 30 tons per year. But with the development of China's automobile industry, automotive gears and other parts of the thermal spraying will have greater development and spraying molybdenum wire will significantly increase sales.

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