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Preparation of high purity tungsten

Preparation of high purity tungsten

(Summary description)The preparation methods of high-purity tungsten can be divided into powder metallurgy, melting and chemical vapor deposition.

Preparation of high purity tungsten

(Summary description)The preparation methods of high-purity tungsten can be divided into powder metallurgy, melting and chemical vapor deposition.

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The preparation methods of high-purity tungsten can be divided into powder metallurgy, melting and chemical vapor deposition.

high purity tungsten manufacturers


powder metallurgy
Powder metallurgy refers to the process in which tungsten powder is heated to a certain temperature below its melting point after being formed, and the densification process is completed through material migration, and finally tungsten blanks or some tungsten products with simple shapes can be obtained.
smelting method
The smelting method refers to the process of heating the tungsten raw material above its melting point to form a liquid phase, removing impurities and then cooling and solidifying to achieve densification. and plasma beam melting.
chemical vapor deposition
Chemical vapor deposition refers to the use of tungsten compound gas (generally WF6) as the tungsten source, which is reduced by H2 at a certain temperature, and the generated tungsten is deposited on a specific substrate. After the deposition is completed, the substrate material is removed to obtain a dense tungsten blank (or product) process.

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