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 년도별 목차보기 |
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| 발행년도/권호 |
1995 년 / 권호: V.7,no.2,Jun |
| 논문제목1(원어) |
고강력 폴리아크릴로니트릴 섬유의 열처리에 의한 미세구조 변화(III) |
| 논문제목2(타언어) |
Effect of Heat Treatment Condition on Fine Structure of High strength Polyacrylonitrile(PAN) Fibre(III) |
| 저자(원어) |
Bang, Yun Hyuk (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Chun Yong (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Kim, Han Do (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Mun Cheul (Dept. of Textile |
| 저자(타언어) |
Bang, Yun Hyuk (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Chun Yong (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Kim, Han Do (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Mun Cheul (Dept. of Textile |
| 소속(원어) |
Bang, Yun Hyuk (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Chun Yong (Dept. of |
| 소속(타언어) |
Bang, Yun Hyuk (Dept. of Textile Eng., Pusan National Univ., Pusan, Korea) Lee, Chun Yong (Dept. of |
| 시작/끝
페이지 |
24 ~ 31 총페이지 : 8 |
| 언어(원어) |
Korean |
| 초록 |
The properties of carbon fibers made from PAN are controlled by the heat treatment conditions. The length changes of high strength homo-PAN and co-PAN (acrylonitrile/acrylamide= 98/2wt% ) fibers under constant tensile stress during heat treatment in nitrogen gas were investigated by measuring the shrinkage behavior. In order to elucidate the relation between the length and fine structure change, the measurements of the crystalline orientation and birefringence index etc. were made for the fibers treated under linear heating up to 27. There are two regions in the length change with heat treatment temperature. The change in the initial period is mainaly due to the relaxation of amorphous molecular chain confined by the fiber-manufacture process. The length change in later period is considered to arise as cyclization reactions. The co-PAN fibers caused a larger shrinkage, while the onset of the shrinkage change in later period is, shifted to lower temperature. Significant morphological changes are shown to precede onset of the cyclization reactions and also during these reactions. |
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