石墨/酚醛树脂/BaTiO_3基PTCR复合材料的研究

Study on Graphite/Bakelite/PTC Ceramic Composite

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摘要研究了石墨含量、酚醛树脂含量对PTCR复合材料性能的影响。实验发现该复合方法在保证一定升阻比的前提下可有效地降低材料的室温体积电阻率。这为解决PTC材料室温体积电阻率较高的问题提供了一条新的途径。 The influence of contents of grahtite and bakelite on the properties of graphite/bakelite/BaTiO 3-based PTC ceramic composite was studied.It was found that its bulk resistivity at room-temperature decreased on condition that the PTC intensity was assured.This method offered a new way to solving the problem of high bulk resistivity of the BaTiO 3-based PTC ceramics at room-temperature.

作者杨光曲远方马卫兵杜娟王华涛

机构地区天津大学先进陶瓷与加工技术教育部重点实验室

出处《硅酸盐通报》 CAS CSCD 2003年第5期39-42,共4页 Bulletin of the Chinese Ceramic Society

关键词石墨酚醛树脂 BATIO3 PTCR 复合材料正温度系数陶瓷材料介电性 positive temperature coefficient(PTC) graphite bakelite resin composite

分类号 TQ174.754 [化学工程—陶瓷工业]

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硅酸盐通报

2003年第5期

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石墨/酚醛树脂/BaTiO_3基PTCR复合材料的研究

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