The Relational Expression of Silver Tungsten Contacts Prepared in Infiltrating Way

Adopting infiltrating way to prepare silver tungsten contacts, you should calculate accurately to ensure the content of silver is qualified and do not waste silver. The expression between the actual density of tungsten cemented carbide inserts skeleton and content of infiltrating silver’s is as follows:

       R1=Q * R2 / V * R3 * S

Among them,

Q refers to: Requirements of infiltrating silver (g)
V refers to: Skeleton volume (cm³)
S refers to: correction value, in the range of 0.8-0.9
R1 refers to: the actual density of tungsten skeleton (g / cm³)
R2 refers to: theoretical density of tungsten skeleton (g / cm³)
R3 refers to: theoretical density of silver (g / cm³)



 

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