Modares Mechanical Engineering

Modares Mechanical Engineering

Process and Macrostructural Analysis of Copper Tube Bonding to Carbon Fiber Composite Tube by Electromagnetic Joining Process

Document Type : Original Research

Authors
Esmaeil Mohammadian
Hamid Gorji
Mohammad Bakhshi Jooybari
Salman Nourouzi
Babol Noshirvani University of Technology
10.22034/MME.24.2.65
Abstract
Today, the industry's need to join dissimilar metals has increased, especially in the automotive and aircraft industries. In this regard, in order to join metals, new methods, called solid state joining, have been used, among which electromagnetic joining is performed with a lower cost and at a higher speed. In this research, firstly, the feasibility of joining copper tubes to composite tubes by electromagnetic method and the quality of the joinit have been studied. Then, the effect of the welding voltage process parameter on the mechanical properties of the strength has been investigated by the ring test. Finally, in order to examine the surface hardness of the welded samples, the Vickers hardness test was performed. The results show that the joining of the copper samples to the composite tubes has been done well. It has been observed that with the increase in voltage, due to the increase in the collision energy of the two tubes, the connection force has increased by about 2 times. In the 8 kV voltage, due to the increase in the impact speed, a more severe plastic deformation has occurred than in other samples which has caused more local deformation of the weld interface and, as a result, an increase in the hardness. The hardness of the interface in this condition was about 8% higher than that of the 5 kV voltage.
Keywords
Electromagnetic Joining
Ring Test
Composite-Copper Joint
Joint strength
Joint Hardness

Subjects

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Modares Mechanical Engineering
Volume 24, Issue 2
January 2024
Pages 65-75