采用自制静电探头测量经60Co伽玛线辐射源辐射的聚萘二甲酸丁二醇酯(PBN)试样的表面电荷密度,分析辐射量对试样表面电荷特性的影响.实验结果表明,随着施加负直流电压时间的延长,试样表面电荷平均密度增大;随着辐射量的增加,表面电荷平均密度降低.认为伽玛线辐射引起的交联反应使表面态密度降低,是造成PBN带电能力下降的主要原因.
参考文献
| [1] | Farish O.;Al-Bawy I. .Effect of surface charge on impulse flashover of insulators in SF/sub 6/[J].IEEE transactions on electrical insulation. (Institute of Electrical and Electronics Engineers. Electrical Insulation Group). New York.,1991(3):443-452. |
| [2] | B. X. Du;H. J. Liu;Yong Liu .Effects of Gamma-ray Irradiation on Dielectric Surface Breakdown of Polybutylene Polymers[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,2007(3):696-701. |
| [3] | Robinson P.A. Jr.;Coakley P. .Spacecraft charging-progress in the study of dielectrics and plasmas[J].IEEE transactions on electrical insulation. (Institute of Electrical and Electronics Engineers. Electrical Insulation Group). New York.,1992(5):944-960. |
| [4] | Feng Wang;Yuchang Qiu;Wolfgang Pfeiffer;Edmund Kuffel .Insulator Surface Charge Accumulation under Impulse Voltage[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,2004(5):847-854. |
| [5] | Al-Bawy I.;Farish O. .Insulator flashover in SF/sub 6/ under impulse voltage conditions[J].IEE proceedings.A.Science, measurement & technology,1991(1):89-97. |
| [6] | Tatsuo Takada;Hiroaki Miyake;Yasuhiro Tanaka .Pulse Acoustic Technology for Measurement of Charge Distribution in Dielectric Materials for Spacecraft[J].IEEE Transactions on Plasma Science,2006(5 Pt.2):2176-2184. |
| [7] | Das-Gupta D.K. .Electrical properties of surfaces of polymeric insulators[J].IEEE transactions on electrical insulation. (Institute of Electrical and Electronics Engineers. Electrical Insulation Group). New York.,1992(5):909-923. |
| [8] | Das-Gupta D.K. .Decay of electrical charges on organic synthetic polymer surfaces[J].IEEE transactions on electrical insulation. (Institute of Electrical and Electronics Engineers. Electrical Insulation Group). New York.,1990(3):503-508. |
| [9] | H. M. Banford;R. A. Fouracre .Nuclear technology and ageing[J].IEEE Electrical Insulation Magazine,1999(5):19-27. |
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