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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Fuel gas is an important energy source that is being increasingly used because of the convenience and clean energy provided. Natural gas is supplied to consumers safely through an underground gas pipe network made of a polyethylene material. In electrofusion, which is one of the joining methods used, copper wire is used as the heating wire. However, it takes a long time for fusion to occur because the electrical resistance of copper is low. In this study, therefore, electrofusion was conducted by replacing the copper heating wire with carbon fiber to reduce the fusion time and improve the production when joining large pipes. Fusion and tensile tests were performed after the electrofusion joint was made in the polyethylene pipe using carbon fiber. The results showed that the fusion time was shorter and the temperature inside the pipe was higher with and increase in the current value. The ultimate tensile strength of specimens was higher than that of virgin polyethylene pipe, except for polyethylene pipes joined using a current of 0.8 A. The best fusion current value was 0.9 or 1.0 A because of the short fusion time and lack of transformation inside the pipe. Thus, it was shown that carbon fiber can be used to replace the copper heating wire.
목차
ABSTRACT
1. 서론
2. 재료 및 실험방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (12)
참고문헌 신청
1. [학술지(정기간행물)] - Andrews, J. M. / 1970 / The Cold-Drawing of High Density Polyethylene / Journal of Materials Science 5 : 411 ~ 417
2. [학술지(정기간행물)] - Bowden, P. B. / 1974 / Deformation Mechanisms in Crymaalline Polymerm / Journal of Materials Science 9 : 2034 ~ 2051
3. [학술지(정기간행물)] - Bowman, J. / 1997 / A review of the Electrofusion Joining Process for Polyethylene Pipe Systems / Polymer Engineering and Science 37 (4) : 674 ~ 691
4. [학술지(정기간행물)] - Caravaca, D. S. / 2007 / Ultrasonic Phased Array Inspection of Electrofusion Joints in Polyethylene Pipes / Non-Destructive Testing 49 (2) : 83 ~ 86
5. [학술지(정기간행물)] - Chen, H. / 1997 / Influence of Joining on the Fatigue and Fracture Behavior of High Density Polyethylene Pipe / Journal of Materials Enginnering and Performance 6 (4) : 473 ~ 480
2. [학술지(정기간행물)] - Bowden, P. B. / 1974 / Deformation Mechanisms in Crymaalline Polymerm / Journal of Materials Science 9 : 2034 ~ 2051
3. [학술지(정기간행물)] - Bowman, J. / 1997 / A review of the Electrofusion Joining Process for Polyethylene Pipe Systems / Polymer Engineering and Science 37 (4) : 674 ~ 691
4. [학술지(정기간행물)] - Caravaca, D. S. / 2007 / Ultrasonic Phased Array Inspection of Electrofusion Joints in Polyethylene Pipes / Non-Destructive Testing 49 (2) : 83 ~ 86
5. [학술지(정기간행물)] - Chen, H. / 1997 / Influence of Joining on the Fatigue and Fracture Behavior of High Density Polyethylene Pipe / Journal of Materials Enginnering and Performance 6 (4) : 473 ~ 480
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UCI(KEPA) : I410-ECN-0101-2014-550-002762970