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Let's see the manufacturing process of carbide. First, mix tungsten carbide with cobalt to make powder which can be classified as raw materials. The granulated mixture is poured into a die cavity and pressed. It gives a moderate strength like that of chalk. Next, the pressed compacts are placed in a sintering furnace and heated at a temperature of about 1400°C,resulting in cemented carbide. After sintering, content volume shrinks considerably. Finally, the product is pressed into a specified shape by means of a mould, and the carbide product is obtained.

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