NDLI: Fabrication of copper/aluminum composite tubes by spin-bonding process: experiments and modeling

Content Provider	Springer Nature Link
Author	Mohebbi, Mohammad Sadegh Akbarzadeh, Abbas
Copyright Year	2010
Abstract	The aim of this work is to produce two layered thin-walled Cu/Al composite tube by the spin-bonding process. The process is utilized to bond the aluminum tube into the copper one at thickness reductions of 20–60% and process temperatures of 25°C, 130°C, and 230°C. The bond strength is measured by T-peeling test, and the bond interfaces are examined by metallography and scanning electron microscopy (SEM). The results show that after a threshold thickness reduction of about 30%, the bond strength increased with the amount of deformation. SEM fractography of the peel surfaces confirms that the copper oxide film is broken in a shear manner during deformation. Severe shear strains applied during spin-bonding process, in fact, make it appropriate for bonding the copper to aluminum. Based on the results, at higher temperatures the resulted bond strength is decreased. It is shown that formation of the brittle intermetallic layer on the interface at high temperatures leads to decrease in the bond strength. In addition to the experiments, a procedure is proposed by which it is possible to calculate the bonding length through the comparison of FEM simulations and the experiments. Based on these calculations and the bonding mechanism, a bond strength model is developed and verified by the experiments.
Starting Page	1043
Ending Page	1055
Page Count	13
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	54
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-11-11
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Spin bonding (SB) Cold bonding Tube spinning Cu/Al composite tube FEM analysis Modeling Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Industrial and Production Engineering Production/Logistics
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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