Fatigue crack growth behavior of NR/EPDM blend
- Title
- Fatigue crack growth behavior of NR/EPDM blend
- Author
- 장영욱
- Issue Date
- 2001-12
- Publisher
- 한국고분자학회
- Citation
- Macromolecular Research, v. 9, issue. 6, page. 319-326
- Abstract
- Fatigue crack growth (FCG) behavior of natural rubber/ethylene-propylene-diene rubber (NR/EPDM) blend vulcanizates under dynamic tearing condition was investigated by using a fracture mechanics approach. It appeared that variation of crack growth rate with blend compositions was dependent on the level of imposed tearing energy G. At low tearing energy region, the FCG rates of the blend were lower as the EPDM content was increased, while at high tearing energy region, the trend was reversed. Over the measured range of tearing energy G, all blend compositions showed the lower crack growth rates compared to the average of properties of component elastomers. When the blends were thermally aged, the fatigue resistance of the blends was deteriorated in proportion to the concentration of EPDM phase. Fatigue crack growth behavior of the blends was supposed to be associated with the inhomogeneities of the crosslink structure of the blends arising from cure incompatibility of the EPDM and NR when they are sulphur cured.
- URI
- https://www.koreascience.or.kr/article/JAKO200111921692770.pagehttps://repository.hanyang.ac.kr/handle/20.500.11754/160454
- ISSN
- 1598-5032
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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