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引用本文:	黄少文,胡隽,邓敏,唐明述.掺磁性膨胀石墨水泥浆体的电磁屏蔽效能[J].建筑材料学报,2014,17(3):450-453

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掺磁性膨胀石墨水泥浆体的电磁屏蔽效能
黄少文¹, 胡隽¹, 邓敏², 唐明述²
1.南昌大学材料科学与工程学院,江西南昌330031;2.南京工业大学材料科学与工程学院,江苏南京210009

摘要:

将二茂铁与可膨胀石墨混合物在高温下膨化，制备了附着铁氧化物的磁性膨胀石墨.利用同轴法兰法测试了掺磁性膨胀石墨水泥浆体的电磁屏蔽效能（SE）.结果表明：掺加磁性膨胀石墨能大幅提高水泥浆体电磁屏蔽效能；掺15%磁性膨胀石墨水泥浆体电磁屏蔽效能值最高可达302dB.

关键词: 电磁屏蔽效能磁性膨胀石墨铁氧化物水泥浆体

DOI：103969/j.issn1007 9629201403014

分类号:

基金项目:江西省科技支撑项目（20111BBG7002 3）

Electromagnetic Shielding Effectiveness of Cement Paste Addedwith Magnetic Expanded Graphite

HUANG Shaowen¹, HU Jun¹, DENG Min², TANG Mingshu²

1.School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China;2.School of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China

Abstract:

Magnetic expanded graphite attached with iron oxide was prepared by expanding ferrocene and expandable graphite mixture at high temperature. The electromagnetic shielding effectiveness(SE) of cement paste added with magnetic expanded graphite was tested by the coaxial flange method. Results show that the SE of cement paste added with magnetic expanded graphite can be substantially increased. The best SE of cement paste added with magnetic expanded graphite of 15%(by mass) is 302dB.

Key words: electromagnetic shielding effectiveness magnetic expanded graphite iron oxide cement paste