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Cohesive zone model을 이용한 접착 power steering cylinder 개발
손영기(Y.K. Son),이찬주(C.J. Lee),이상곤(S.K. Lee),고대철(D.C. Ko),H. Schafer,이종만(J.M. Lee),김병민(B.M. Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Adhesively bonded power steering cylinder with steel tube and aluminum bracket was developed to reduce the weight of steering system. To achieve the joint strength between steel tube and aluminum bracket, the shape aluminum bracket re-designed by using FE-analysis. The fracture behavior of adhesive layer is considered by cohesive zone model(CZM), which is based on two-parameter fracture phenomenon with critical stress and fracture toughness. From the result of FE-analysis with CZM, re-designed power steering cylinder was satisfied desired joint strength for axial and torsion modes. And its joint strength was verified by fracture test for each mode.