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탄소나노튜브(CNT) 함량에 따른 전력케이블용 반도전 재료(층)의 전기적/기계적 특성 연구
梁鍾錫(Jong-Seok Yang),李慶龍(Kyoung-Yong Lee),申東訓(Dong-Hoon Shin),朴大熙(Dae-Hee Park) 대한전기학회 2006 전기학회논문지C Vol.55 No.8
In this study, we have investigated electrical and mechanical properties of semiconducting materials for power cable caused by CNT. Specimens were made of sheet form with the four of specimens for measurement. Volume resistivity of specimens was measured by volume resistivity meter after 10 minutes in the pre-heated oven of both 23± 1 [℃] and 90± 1 [℃]. And stress-strain of specimens was measured by TENSOMETER 2000. A speed of measurement was 200[㎜/min], ranges of stress and strain were 400[Kgf/Cm2] and 600[%]. From this experimental results, the volume resistivity had different properties because of PTC/NTC tendency at between 23[℃] and 90[℃]. Also volume resistivity was low by increasing the content of CNT. It means that a small amount of CNT has a excellent electrical properties. And stress was increased, while strain was decreased by increasing the content of CNT. Thus, we could know that a small amount of CNT has a excellent electrical and mechanical properties.
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