エネルギー解放要素による異材接合継手のはく離温度評価

概要

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A new method using energy release elements(EREs)for evaluating adhesive strength, which we suggested in our previous paper, is used to estimate debonding temperature of joints made from resin and steel. This estimated temperature agrees well enough for practical use with those measured by Terasaki et al. over all sizes and shapes of test specimens. This agreement shows that the new method can be widely applied for estimating adhesive strength. When joint components are thicker than 2 mm and bonding angle is greater than 90 degrees, detail of the stress-deformation relation of ERE does not affect the estimation of debonding temperature. And different ERE characteristics determined by using one experimental datum give almost the same estimated temperature. These estimated temperature agree with those measured to the same extent as those estimated by Terasaki et al. by using energy release rate g as an evaluating parameter.
社団法人日本機械学会の論文
2000-11-25