A new contact material—Ag/SnO2—La2O3—Bi2O3

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A super-fine compound powder,Ag/SnO2+La2O3+Bi2O3,has been obtained using the chemical coprecipitation method.And a new contact material,Ag/SnO2+La2O3+Bi2O3,was produced by the powder metallurgy method.Its properties are as follows:the density is 9.75-9.93
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