Technological Aspects of Manufacturing and Numerical Modelling of Clinch-Adhesive Joints (eBook)

Preface 5
Contents 7
1 Technological Aspects of Manufacturing and Numerical Modelling of Clinch-Adhesive Joints 8
Abstract 8
Introduction 9
Clinching Technology 11
Ability to Clinching 18
Influence of Contact Conditions on Forming Process and Strength of Clinched Joints 22
Influence of the Friction Coefficient 22
Numerical Analysis of Clinching Process for Different Values of the Friction Coefficient 26
Experimental Investigations of the Interface Roughness Influence on the Joint Strength 27
Conclusions 35
Adhesive Bonding and Adhesive Type Bonding Joints 35
Numerical Model Applied for Modelling of Simple and Hybrid Joints 37
Cohesive Zone Model (CZM) 38
Gurson-Tvergaard-Needleman (GTN) Damage Model for Ductile Material 39
Ductile Damage Model DDM for Plastic Materials 40
Numerical FE Model of Simple and Hybrid Joints 42
Clinch-Adhesive Joints 42
Experimental Program---Shear and Peel Tests on Single and Hybrid Lap Joints 44
Application of the 2-Component Strong Brittle Epoxy DRAGON 44
Application of the Weaker Glue Pattex Repair Epoxy 51
Application of the Flexible Adhesive (Adhesive Type Bonding) 54
Conclusions 56
Numerical Modelling of the Hybrid Joints Mechanical Response 57
Modelling of Deep Drawing Process 57
Modelling of Deformation Process of Hybrid Joints with Application of the Brittle Epoxy DRAGON 58
Modelling of Deformation Process of Hybrid Joints with Application of the Pattex Repair Epoxy 59
Summary and Conclusions 63
Acknowledgement 64
References 64