| x射线照射对绝缘材料聚乙烯介电常数的影响 |
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| 引用本文： | 卢中西,于虹,徐志钮,徐辉,王剑平.x射线照射对绝缘材料聚乙烯介电常数的影响[J].科学技术与工程,2015,15(28). |
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| 作者姓名： | 卢中西 于虹 徐志钮 徐辉 王剑平 |
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| 作者单位： | 华北电力大学(保定)电力工程系,云南电网有限责任公司电力科学研究院工作站,华北电力大学电力工程系,华北电力大学,河北西柏坡发电有限责任公司;河北西柏坡发电有限责任公司 |
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| 摘 要： | 随着现代工业的发展,X射线无损探伤技术应用越来越广,而其是否真正做到无损有待深刻研究。实验先通过X射线仪对聚乙烯材料进行不同强度和不同时间的照射,并对照射后的试样进行介电常数测试和xrd衍射表征来分析射线对试样的伤害。研究其介电常数的变化对无损探伤技术有着重大指导意义。实验发现X射线照射时间和强度对绝缘材料聚乙烯的介电常数有不同程度影响,但按照合理的照射时间和强度,可将材料性能控制在工业标准之内。
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| 关 键 词： | x射线 聚乙烯 介电常数 |
| 收稿时间： | 2015/5/30 0:00:00 |
| 修稿时间： | 2015/6/26 0:00:00 |
X-ray irradiation effects on insulating materials polyethylene dielectric constant |
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| Institution: | Yunnan Power Grid Electric Power Research Institute LLC workstation,,North China Electric Power University,Hebei Xibaipo Power Generation Co Ltd |
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| Abstract: | With industrial development, x-ray detection applications more widely, and it brings to deeply study the issue more. Testing process equipment for the length of exposure time to bring a certain impact on its insulating properties, the paper studied by x-ray irradiation of polyethylene material, the changes in the dielectric constant at different times. It was found that x-ray irradiation time on the dielectric constant of the insulating material of polyethylene affected. The irradiation rays, the internal structure and may be polyethylene polarity changes, which lead to changes in the dielectric constant. |
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| Keywords: | x-rays polyethylene permittivity |
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