The main purpose of investigations is the qualification how post-accident repair of model car body parts influence on the value of coefficient of restitution. Evaluation of impact energy absorption by model car body parts repaired with MIG welding (with and without micro-jet cooling) was carried out. The results of investigations present that the value of coefficient of restitution changes with speed of impact. Coefficient of restitution is bigger for elements welded with micro-jet cooling than for element welded with ordinary method. This could have influence on passive safety of vehicle.
Coefficient of restitution and plastic strain for impact of elements welded with micro-jet cooling
2014
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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