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Mode Ⅱ 하중에서의 에폭시계 접착제의 피로균열 진전특성 KCI 등재

Fatigue Crack Growth Properties of Epoxy Adhesives under Mode Ⅱ Loading

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한국기계기술학회지 (Journal of the Korean Society of Mechanical Technology)
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

The natures of fatigue crack growth under Mode Ⅱ loading are studied. End notched flexure beam specimens were used. The effects of adherend thickness, rubber modification and adhesive thickness on fatigue crack growth were examined. The experimental results show that some of these parameters apparently do affect fatigue crack growth. Resistance to ModeⅡ fatigue crack growth are increased by rubber modification. The effects of adhesive thickness and rubber content on fatigue crack growth were explained by von Mises's equivalent stress using BEM analysis. For unmodified epoxy adhesives, the fatigue crack growth properties under Mode Ⅱ loadings were significantly different in all regions. For rubber-modified epoxy adhesives, they were also different in the first and second regions, but in the third region, they were similar

목차
Abstract
 1. 서론
 2. 시험편 및 실험방법
  2.1 시험편
  2.2 실험방법
 3. 실험결과 및 고찰
  3.1 da/dN-△GII 관계에 미치는 접착제 층두께 및 CNBR 변성의 영향
  3.2 da/dN-△GII 관계에 미치는 접착제 층내의 응력해석
 4. 결론
 참고문헌
저자
  • 박성완(인천대학교 기계시스템공학부) | Sung-oan Park