Investigation on Interface and Adhesive Layer Fracture Characteristic of Adhesively Bonded Joints
[1]Zhang Jun,Li Zhihong,Jia Hong.Investigation on Interface and Adhesive Layer Fracture Characteristic of Adhesively Bonded Joints[J].Journal of Zhengzhou University (Engineering Science),2017,38(01):22-.[doi:10.13705/j.issn.1671-6833.2017.01.001]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
38
Number of periods:
2017 01
Page number:
22-
Column:
Public date:
2017-02-24
- Title:
- Investigation on Interface and Adhesive Layer Fracture Characteristic of Adhesively Bonded Joints
- Keywords:
- adhesive; bonding interface; adhesive layer; fracture; cohesive model
- CLC:
- -
- Abstract:
- The adhesively bonding technology has been widely used.The delamination and cracking failure is main failure form of adhesive structure.This paper used the VUMAT subroutine and bonding structure models based on the bond behavior of the contact interface to establish the adhesive structure of five layers.The different crack processes of butt joint and lap joint were simulated.The results showed that the adhesive structure failures was consistent with the predicted under the bonding strength of interface less than or greater than the adhesive layer.The fracture occurre on the weak bonding layer.The adhesive layer and the bonding interface occurre failure simultaneously under the bonding strength of interface equal to the adhesive layer.The fracture mechanisms of lap joint are the same with the butt joints.These findings can be useful in practical engineering analysis of the bonding strength.
- References:
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