The purposes of the present paper are to analyze the stress wave propagation and stress state in band scarf adhesive joints of similar and dissimilar adherends under impact tensile loadings using the 3-D finite elemen...
详细信息
The purposes of the present paper are to analyze the stress wave propagation and stress state in band scarf adhesive joints of similar and dissimilar adherends under impact tensile loadings using the 3-D finite element method (FEM) *** effects of thescarf angle,Young's modulus ratio between thedissimilar adherends, adhesive Young's modulus,adhesive thickness and the number of boned interface parts on the interface stressdistributions and stress wave propagations are examined using the 3-D FEM calculations and compared with those understatic tensile loadings and with the whole bonded scarf *** verification of the 3-D FEM calculations,the strains in the joints are ***,the joint strengths are predicted using elasto-plastic 3-D FEM calculationsand the predicted resultsare then compared with the measured joint strengths.
Introduction The UV curing technology is a technique of forming a polymer structure by chain reaction of the ring structure or a double bond by activating radical/cation the initiator after exposure UV light. In gener...
详细信息
Introduction The UV curing technology is a technique of forming a polymer structure by chain reaction of the ring structure or a double bond by activating radical/cation the initiator after exposure UV light. In general,UV curing technology can be divided into UV polymerization technique and UV curing *** polymerization technique is similar to polymer technology to prepare general linear polymers,it process has the advantage that can be easy applied for of the bulk *** curing technology is forming a three-dimensional polymer structure technique that is multifunctional monomers-HDDA(1,6 hexandiol diacrylate),DPHA(dipentaerithritol hexacrylate)etc.-cross-linked by UV initiation.
*** The objective of the present study is to analyze and clarif~ the differences in the interface stress distributions between 2-D and 3-D FEM when tensile loadings are applied to the scarf adhesive joints with dissim...
详细信息
*** The objective of the present study is to analyze and clarif~ the differences in the interface stress distributions between 2-D and 3-D FEM when tensile loadings are applied to the scarf adhesive joints with dissimilar *** particular,the effect of scarf angle on the interface stress distributions and the joint strength in the case where the width of the adherends is held constant needs to be compared with that in the case where the adhesive length is held constant (with varied width of adherends)as used in the previous *** effects of adherends' Young's modulus ratio between dissimilar adherends,adhesive Young's modulus and adhesive thickness on the interface stress distributions are also *** joint strength prediction is conducted using the 3-D FEM stress analysis based on the adhesive stress-strain curve for the cases where the adhesive bonding length is held constant and where the width of the adherends is held constant to compare with the experimental *** authors[l]have researched the stress distributions and joint strength of scarf joints under bening moment using 3-D FEM.
暂无评论