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Thermal Joining with Zinc Based Solder – New Potentials for Structural Lightweight Design
Abstract:
The enhanced demands made to safety and comfort for vehicle occupants have, in recent years, resulted in a steady increase of the vehicle weight. The achievement of a good vehicle performance has been accompanied by the development of more effective combustion motors. However, all this entailed the increased out-put of detrimental exhaust fumes. More restrictive environmental requirements demand the future reduction of the vehicle weight. In order to follow those requirements, different lightweight concepts are currently being followed. The application of higher-strength steel materials allows the reduction of the vehicle weight with, at the same time, increase of the part strength. A further possibility is composite construction which, depending on local demands on the material, means the application of the proper material at the proper position in the vehicle. The highest importance is attached to the combination of steel and aluminium. The development of modern, digitally controlled arc processes has rendered the process-reliable reproducible joining of steel to aluminium possible. Within the framework of a publicly sponsored project, the joining of vehicle-relevant materials with different short-arc processes using low-melting zinc-based brazing solders is currently investigated.
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Pages:
2741-2746
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Online since:
May 2014
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