Silver heavy rake earth metal oxide electric contact material and its preparation process

The electric contact material is made up by using silver and heavy rare earth metal oxide through a certain metallurgical process, in which the heavy rare earth metal oxide content is (wt%) 5-18%, and its preparation process adopts chemical precipitation method or ultrasonic chemical covering method...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAIQIAN WANG, WEIJUN ZHANG, YONGGUO DU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FERROUS OR NON-FERROUS ALLOYS METALLURGY RELAYS SELECTORS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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