The high melting point molybdenum alloy crucibles is made of Mo-1 molybdenum powder at a temperature of 1100 ~1700 C. It is mainly used in metallurgical industry, rare earth industry, monocrystalline silicon, solar energy, artificial crystal and mechanical processing.

Physical and chemical properties:

1, purity: W > 99.95%;

2, density: more than 18.5g/cm3;

3. The highest application temperature environment: 2400 C

Production process:

 Molybdenum powder - sieving - batch - isostatic pressing rough rough car processing - intermediate frequency sintering - quality car processing - packaging.

The molybdenum material is applicable to the environment: vacuum environment or inert gas protection environment, the highest temperature of pure molybdenum is 1200 degrees, and the highest temperature of molybdenum alloy is 1700 degrees.

Molybdenum crucible has high strength, high temperature resistance and other excellent properties, its wide range of uses, often widely used in metallurgical industry, rare earth industry, monocrystalline silicon, solar energy, artificial crystal and mechanical processing and other industries.

       Since the melting point of molybdenum crucible is as high as 2610°C, it is often used as a core vessel and is widely used in industrial furnaces such as sapphire single crystal growth furnaces, quartz glass melting furnaces, and rare earth smelting furnaces, and its operating temperature environment is generally above 2000°C. At present, the rapid development of the LED industry, single crystal sapphire has a larger market, which also expanded the use of molybdenum crucible. The molybdenum crucible with high purity, high density, no inner cracks, precise dimensions, smooth inner and outer walls, and other features can produce high-quality sapphire crystals.

      The molybdenum crucible is usually made of molybdenum powder as a raw material. It is sintered after being formed by a cold press machine. After sintering, the circulating water is used to cool the intermediate frequency sintering furnace for 9-10 hours. The molybdenum rod is then taken out and then heated in the muffle furnace. After taking out, use an air hammer with an impact force of 1000 kg, forging 30-40 times, and then using the mechanical processing method, the car out of the groove, and then finishing the outer circle and the end face, so that the surface roughness of the molybdenum crucible reaches Ra1.6 -Ra 3.2μm, made of molybdenum crucible.

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