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전력케이블용 XLPE절연체/ 나노 반도전층 재료의 열적 특성
양종석(Jong-Seok Yang),최성헌(Sung-hun Choi),박장현(Jabg-Hyeon Park),성백룡(Baek-Ryong Sung),이재형(Jaehyeung Lee),박대희(Dae-Hee Park) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
To improve the mean-life and the reliability of power cable, we have investigated specific heat (Cp). Specific-heat measurement temperature ranges of XLPE insulator were from 20[℃] to 90[℃], and the heating rate was 1[℃/min]. In case of semiconducting materials, the measurement temperature ranges of specific heat were from 20[℃] to 60[℃], and the heating rate was 1[℃/min]. From these experimental results, both specific heat were increased by heating rate because volume of materials was expanded according to rise in temperature. We could know that a small amount of CNT has a excellent thermal properties.
에칠렌 에칠 아크릴레이트/탄소나노튜브 복합체의 밀도와 분산성 측정
양종석(Jong-Seok Yang),이경용(Kyoung-Yong Lee),신동훈(Dong-Hoon Shin),성백룡(Baek-Ryong Sung),박대희(Dae-Hee Park) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
To improve density and smoothness of semiconducting materials in power cable, we have investigated those of semiconducting materials showed by changing the content of carbon black and Carbon Nanotube. They were produced as sheets after pressing for 20 minutes at 180[℃] with a pressure of 200[㎏/㎠]. The content of conductive carbon black and Carbon Nanotube were 30[wt%] and 2-6[wt%] respectively. As a result the smoothness was measured by JSM-6400.