ZHAO Lai-jun1, ZHU Shi-ming1, LIU Ming-ze1, et al. Research Progress in Electrical Properties of Nanocrystalline Contact Materials[J]. High VoltageApparatus, 2012, 48(7): 1-7.
ZHAO Lai-jun1, ZHU Shi-ming1, LIU Ming-ze1, et al. Research Progress in Electrical Properties of Nanocrystalline Contact Materials[J]. High VoltageApparatus, 2012, 48(7): 1-7. DOI: 10.13296/j.1001-1609.hva.2012.07.005.
Research Progress in Electrical Properties of Nanocrystalline Contact Materials
TThe differences of thermal properties and mechanical properties are analyzed between nanocrystalline materials and conventional materials.Current researches status and development of current chopping value
arc erosion resistance capability and dielectric withstand levels for nanocrystalline contact materials are summarized.According to the former research results
the chopping current of nanocrystalline CuCr and AgFe contact materials are lower than that of conventional CuCr and AgFe contact materials.The arc current stability and DC arc lifetime of nanocrystalline CuCr and AgFe contact materials are higher than that of conventional CuCr and AgFe contact materials.The dielectric withstand voltage of nanocrystalline CuCr contact material is higher than that of conventional CuCr contact material.The arc erosion resistance properties of nanocrystalline AgSnO2 and AgNi contact materials is superior than that of conventional AgSnO2 and AgNi contact materials.Therefore
improving preparation technique
enhancing theoretical and experimental research for nanocrystalline contact materials should be pay high attention to promote their electrical properties.