Abstract
New varistor-type polymer composites for low-voltage application have been developed. The filler is made of commercially available doped ZnO-varistor powder. The polycrystalline filler particles act as varistors due to their typical grain-boundary structure. The presented varistor composite materials show very low values for the breakdown field strength down to 200 V mm−1, as compared with already existing varistor-type composites, and fairly highα-values in the range of 10.
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Glatz-Reichenbach, J., Meyer, B., Strümpler, R. et al. New low-voltage varistor composites. J Mater Sci 31, 5941–5944 (1996). https://doi.org/10.1007/BF01152143
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DOI: https://doi.org/10.1007/BF01152143