Abstract
New anti-pollution and energy saving laws impose reduction of fuel consumption for vehicles of the automotive industry. This reduction may be provided through the lightening of vehicles by introducing Aluminum parts into the Steel car-body. Laser-brazing represents an adequate process than can be used to realize this kind of new structure. The main problem with thermal joining processes is the formation of inter-metallic phases which decreases the ductility of the joint. Laser-brazing allows a localized fusion which limits the development of brittle phases. This paper presents the results of a feasibility study for different joining-configurations with different filler materials: an Aluminum based alloy and a Zinc based alloy. The study shows that using zinc alloy for filler material gives better mechanical performances. Simultaneously, observations by optical and electron microscopy were carried out to characterize the joints. In order to understand the influence of the temperature on the formation of inter-metallic phases, a thermal modeling by FEM of the process was also carried out.New anti-pollution and energy saving laws impose reduction of fuel consumption for vehicles of the automotive industry. This reduction may be provided through the lightening of vehicles by introducing Aluminum parts into the Steel car-body. Laser-brazing represents an adequate process than can be used to realize this kind of new structure. The main problem with thermal joining processes is the formation of inter-metallic phases which decreases the ductility of the joint. Laser-brazing allows a localized fusion which limits the development of brittle phases. This paper presents the results of a feasibility study for different joining-configurations with different filler materials: an Aluminum based alloy and a Zinc based alloy. The study shows that using zinc alloy for filler material gives better mechanical performances. Simultaneously, observations by optical and electron microscopy were carried out to characterize the joints. In order to understand the influence of the temperature on the formation of in...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
