Ce and CeO2 Effect on Tungsten Copper Points’ Properties

Points of Ce and CeO₂ effect on tungsten copper points’ properties can be seen in the following:

1. Effect of Ce and CeO₂ on contact material’s tissue distribution
To make contact material’s tissue distribution more uniform, adding a certain ratio of the two rare earth materials, Ce or CeO₂, can achieve the effect, and it can also improve the material properties.
2. Effect of Ce and CeO₂ on contact material’s hardness and density
To improve contact material’s hardness and density, the additive element Ce, whose optimal amount is 3%, can improve its density and hardness, and its properties are better than adding CeO₂.
3. Effect of Ce and CeO₂ on contact material’s electrical conductivity
Contact material’s electrical conductivity will be improved with the increase of Ce content, and its trend is obvious when Ce ratio is less than 3%. Its conductivity will decrease as the addition is more than 3 %.
In a word, compare with CeO_2, the properties of tungsten copper points with Ce are much better.

 

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