Features of Tungsten Contacts Prepared by Mechanical Alloying Method

Mechanical alloying method is an effective method to compound fine crystalline alloy powder material. For example, titanium aluminum alloys was required to use this method to form crystals, its most important feature is easier to obtain nano-crystalline organization, but its compactness is not good and its forming is more difficult, besides, the rapid cooling method can not get titanium aluminum alloy products.

Tungsten contacts prepared by mechanical alloying method have the following features:

1. With dispersion strengthening phase and fine, uniform microstructure;
2. The production process is simpler and more economical;
3. Improve the electrical and mechanical properties of tungsten contacts;
4. Prepare supersaturated solid solution, so immiscible tungsten contact material can be an alloying system;
5. Prepare nano contact materials with good performance;
6. Prepare refractory metal, metal oxide-based and other series of contact materials.



 

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