熱可塑性ポリイミドを用いた高温用耐放射線性同軸ケーブルの電気および機械特性

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タイトル別名
  • Electrical and Mechanical Properties of Coaxial Cable for Use under High Temperature and Radioactive Conditions
  • ネツ カソセイ ポリイミド オ モチイタ コウオンヨウ タイ ホウシャセンセイ

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We examined the effect of γ-ray irradiation at different temperatures (room temperature and 250°C) and atmospheric conditions (air and N2) on the electrical and mechanical characteristics of thermoplastic polyimidc (TPI) insulated and sheathed coaxial cable which is designed for high temperature and radioactive use. It was found that the TPI insulated and sheathed coaxial cable had good radiation resistance at 250°C under N2, γ-ray irradiation of 75 MGy under air, and electron beam irradiation of about 100 MGy under Hc. It was also found that both the crosslinking and the crystallization of TPI was accelerated by the synergistic effect of heat and γ-ray irradiation.

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