简介:通过湿法球磨制备CoFe2O4-BaTiO3颗粒复合材料,研究材料成分和调制频率与电磁效应的关系。结果表明:电磁效应系数随着调制频率由400Hz增加到1000Hz而增加。由于CoFe2O4的电导率在400-1000Hz范围内对频率敏感,电磁效应的曲线特性而发生改变。在烧结过程中形成第三相Ba2Fe2O5,从而导致电磁效应的下降。
简介:Compositeplatingcontainingnanometer-sizedparticlesfromanon-aqueouselectrolyte;CompositeplatingofNi/SiCusingazo-cationicsurfactantsandwearresistanceofcoatings;Developmentofrapidcompositeplatingsystemformotorcycleenginecylinders;DynamicResponseofLaminatedCompositePlateusingFirstOrderShearDeformationTheory
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