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首页> 外文期刊>Radiation Physics and Chemistry >LOW TEMPERATURE GAMMA-RAY IRRADIATION EFFECTS ON POLYMER MATERIALS—2. IRRADIATION AT LIQUID HELIUM TEMPERATURE
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LOW TEMPERATURE GAMMA-RAY IRRADIATION EFFECTS ON POLYMER MATERIALS—2. IRRADIATION AT LIQUID HELIUM TEMPERATURE

机译:聚合物材料的低温伽马射线辐照效应—2。液态氦温度下的辐照

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摘要

The low temperature gamma-ray irradiation induced degradation of poly(tetrafluoroethylene), butyl rubber and poly(ethylene) was studied by following changes in mechanical properties. The decrease of tensile strength and elongation at break against dose were nearly the same for 4 and 77K irradiations. The changes of molecular weight or networks in polymers were also the same for both irradiation temperatures.
机译:通过跟踪机械性能的变化,研究了低温伽马射线辐照引起的聚四氟乙烯,丁基橡胶和聚乙烯的降解。对于4K和77K辐射,抗张强度和断裂伸长率随剂量的降低几乎相同。两种照射温度下聚合物中分子量或网络的变化也相同。

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