导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究

doi:10.3969/j.jssn.1000-2006.2010.05.017

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南京林业大学学报（自然科学版） ›› 2010, Vol. 34 ›› Issue (05): 79-82.doi: 10.3969/j.jssn.1000-2006.2010.05.017

导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究

卢克阳¹,傅峰^1,*,蔡智勇²,付跃进¹,张跃明¹

1.中国林业科学研究院木材研究所，北京100091;2. 美国农业部林务局林产品研究所，麦迪逊美国53726

出版日期:2010-10-08 发布日期:2010-10-08
基金资助:
收稿日期：2009-12-14修回日期：2010-05-24基金项目：中央级公益性科研院所基本科研业务费专项资金项目(CAFYBB2008019)；“十一五”国家科技支撑计划(2006BAD18B06)作者简介：卢克阳(1979—)，博士生。*傅峰(通信作者)：研究员。Email: luky@caf.ac.cn。引文格式：卢克阳,傅峰,蔡智勇,等. 导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究[J]. 南京林业大学学报:自然科学版,2010,34(5):79-82.

Study on shielding permanence of electromagnetic shielding plywood laminated with conductive sheets

LU Keyang¹, FU Feng^1*, CAI Zhiyong², FU Yuejin¹, ZHANG Yueming¹

1.Institute of Wood Industry, Chinese Academy of Forestry,Beijing 100091, China; 2.USDA Forest Products Laboratory, Madison 53726, USA

Online:2010-10-08 Published:2010-10-08

摘要/Abstract

摘要： 采用对比浸渍各个阶段材料胶合性能和屏蔽性能的方法，研究了电磁屏蔽胶合板的屏蔽持久性能。结果表明：电磁屏蔽胶合板在63 ℃热水中浸渍3 h后胶合强度满足GB/T 98462—2004的国家标准要求；浸渍6 h和9 h后其胶合强度下降很大，低于国家标准要求，但在浸渍9 h后胶合板的电磁屏蔽效能平均值都在35 dB以上，平均下降2.54～9.25 dB，反映出胶合板在强度损失的情况下，屏蔽效能下降不大，仍具有一定的屏蔽性能。

Abstract: The shielding permanence of electromagnetic shielding plywood laminated with conductive sheets was studied by measuring and comparing the shear strength and shielding properties in every impregnating stages referring to the shear strength national standards. The results showed that the shear strength of electromagnetic shielding plywood could satisfy the national standards after soaking 3 hours, but the shear strength decreased drastically, lower than the national standards after soaking over 6 hours. However, after soaking 9 hours, the average shielding effectiveness of plywood was above 35 dB, the decreased average shielding effectiveness value was from 2.54 to 9.25 dB, which showed that under the circumstance of strength loss of plywood, the decrease of shielding effectiveness was not obvious, and thus it would still keep certain shielding effect.

中图分类号:

卢克阳,傅峰,蔡智勇,等. 导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究[J]. 南京林业大学学报（自然科学版）, 2010, 34(05): 79-82.

LU Keyang, FU Feng, CAI Zhiyong, FU Yuejin, ZHANG Yueming. Study on shielding permanence of electromagnetic shielding plywood laminated with conductive sheets[J].Journal of Nanjing Forestry University (Natural Science Edition), 2010, 34(05): 79-82.DOI: 10.3969/j.jssn.1000-2006.2010.05.017.

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导电膜片叠层型电磁屏蔽胶合板屏蔽持久性研究

Study on shielding permanence of electromagnetic shielding plywood laminated with conductive sheets

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