Has long been considered the best AgCdO electrical contact materials due to a Cd pollution, some countries and regions have a decree banning the production and use. Development has the environmental effect and new contact materials with good electric contact properties become research focus in the field, including AgSnO2 is currently the most promising alternative materials. Based on the contact material prepared by high energy ball milling method, on the basis of selecting several kinds of metal oxidtillsatser, studerade på AGSNO2 -maskiner, påverkan av fysiska egenskaper och verkningsmekanism; Samtidigt med hänvisning till relevant nationell standarddesign monterar den dynamiska testmaskinen för kontaktor material, denna utrustning i kombination med mikroskopiskt analystest, påverkar tillsatsernas inflytande på de materialdynamiska egenskaperna .
Resultaten visar att metoden för högenergikulkvarn effektivt kan förfina Ag- och SNO2-partiklar, blandning, organisation och komposition distribution jämnt AGSNO2-elektricitetskontaktmaterial; Choose several kinds of metal oxide additives are infiltrating improvement function to a certain extent, among them the most significant effect of Cu0 and Co203, Bi203, C1203 times: the experiment proved that the best content of Meo type additive is 0.5%, can effectively improve the material mechanical properties and physical properties, at the same time using the electrical conductivity of conductive model Förutsäger AGSNO2 -materialen. Through dynamic opening and closing test found that 100000 times Cr203, Co203 and Bi20, reduces the contact between the poles to varying degrees of material transfer and reduce the corrosion area, according to the effect of the order from high to low respectively Cr20, > Co20, > Bi203 and Cr20 > Bi20, > Co203: Co203 significantly reduce the temperature rise of AgSnO2 contact material Cr203 make can make arc caused by centralized type into spridning; Experimentet bevisar, AGSNO 2 - BI2Q, lämplig för låg ström (< 1 a) load and AgSnO2 contact materials - Co203 is suitable for high current > 2 a) load.
