earticle

영어

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