Ito, Seitaro
(Department of Electrical Engineering and Bioscience, Waseda University)
,
Hirai, Naoshi
(Research Institute for Materials Science and Technology, Waseda University)
,
Minakawa, Takefumi
(Cooperative Major in Nuclear Energy, Waseda University, Shinjuku-ku, Tokyo, 169-8555, Japan)
,
Kuroda, Chiaki
(Department of Electrical Engineering and Bioscience, Waseda University)
,
Ohki, Yoshimichi
(Department of Electrical Engineering and Bioscience, Waseda University)
To examine the flame retardancy of polymer-insulated cables used in nuclear power plants, three types of safety-related cables insulated with SiR, FR-XLPE, and FR-EPDM were aged concurrently by heat and radiation. Furthermore, the cables were burned according to the procedures prescribed by two IEEE...
To examine the flame retardancy of polymer-insulated cables used in nuclear power plants, three types of safety-related cables insulated with SiR, FR-XLPE, and FR-EPDM were aged concurrently by heat and radiation. Furthermore, the cables were burned according to the procedures prescribed by two IEEE standards 383–1974 and 1202–2006. The changes appearing in the chemical structure and surface mechanical property were analyzed by measuring FT-MIR spectra and indenter modulus. As a result, it was confirmed that all the cables satisfy with the requirements of two IEEE Stds. Moreover, two IEEE Stds. give similar results as far as indenter modulus is concerned.
To examine the flame retardancy of polymer-insulated cables used in nuclear power plants, three types of safety-related cables insulated with SiR, FR-XLPE, and FR-EPDM were aged concurrently by heat and radiation. Furthermore, the cables were burned according to the procedures prescribed by two IEEE standards 383–1974 and 1202–2006. The changes appearing in the chemical structure and surface mechanical property were analyzed by measuring FT-MIR spectra and indenter modulus. As a result, it was confirmed that all the cables satisfy with the requirements of two IEEE Stds. Moreover, two IEEE Stds. give similar results as far as indenter modulus is concerned.
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