Additive (Co, Ni and Zr) Effect on Ag-WC-C Contacts Experimental Procedure -Ⅱ

Additive (Co, Ni and Zr) effect on Ag-WC-C contacts experimental procedure -Ⅱis shown as following:

Sample 2
Preparation process is substantially the same to sample 1, except that:
Silver is 49.7g; additive Co powder is 0.3 g;
Sintering 4.5 hours (in the sintering furnace at a temperature of 840 ℃), and finally re-pressing at a pressure of 13.5T / Cm2.

Sample 3
Preparation process is substantially the same to sample 1, except that:
Silver is 49.7g; additive Ni powder is 0.3 g;
Sintering 4.5 hours (in the sintering furnace at a temperature of 800 ℃), and finally re- pressing at a pressure of 16.5T / Cm2.

Sample 3
Preparation process is substantially the same to sample 1, except that:
Silver, 49.7g; additive Zr powder, 0.3 g;
Sintering 5 hours (in a sintering furnace temperature at 750 ℃), and finally re- pressing at a pressure of 14T / Cm2.

 

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