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The study of environmental stress cracking (ESC) by contact with plastic rulers and PVC erasers which was artificially added to the external stress was carried out in order to accelerate the chemicals crack. To analyze a blooming plasticizer that migrates from the inside of blended eraser to the surface of the eraser, the ESC experiments were carried out at room temperature and 50℃ conditions. The chemicals crack shape caused by the plasticizer and the brittle fracture shape resulted from the external stress were observed in consequence with the cross-sectional surface analysis of the ruler crack by the ESC. The bending strength of the plastic rulers were fractured prior to the yield point and it had low bending flexure stress. We presented that ESC of polymer materials was affected by the polarity of the chemicals and polymer, the exposure time to chemicals, the exposure temperature and the level of strain on the polymer.
목차
Abstract
1. 서론
2. 관련문헌 연구
3. 실험
4. 결과
5. 결론
참고문헌
참고문헌 (14)
참고문헌 신청
1. [학술지(정기간행물)] - S. Jones / 2000 / Compositional and failure analysis of polymers: A practical approach / John Wiley and Sons : 452 ~ 478
2. [학술지(정기간행물)] - J. A. Jasen / 2004 / Environmental stress cracking-the plastic killer / Advanced Materials and Processes : 50 ~ 53
3. [학술지(정기간행물)] - R. P. Kambour / 1968 / Stress-strain behavior of the craze / Polymer Engineering and Science 8 : 281 ~ 289
4. [학술지(정기간행물)] - E. J. Kramer / 1983 / Microscopic and molecular fundamentals of crazing / Advances in Polymer Science 52 : 1 ~ 56
5. [기타자료] - 大武義人 / 2005 / 고무․플라스틱 재료의 트러블과 대책 / 일본 일간공업신문사 : 95 ~ 105
2. [학술지(정기간행물)] - J. A. Jasen / 2004 / Environmental stress cracking-the plastic killer / Advanced Materials and Processes : 50 ~ 53
3. [학술지(정기간행물)] - R. P. Kambour / 1968 / Stress-strain behavior of the craze / Polymer Engineering and Science 8 : 281 ~ 289
4. [학술지(정기간행물)] - E. J. Kramer / 1983 / Microscopic and molecular fundamentals of crazing / Advances in Polymer Science 52 : 1 ~ 56
5. [기타자료] - 大武義人 / 2005 / 고무․플라스틱 재료의 트러블과 대책 / 일본 일간공업신문사 : 95 ~ 105
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UCI(KEPA) : I410-ECN-0101-2014-320-003225227