Home Products Composite And Clad Metals Electrical Connector Materials Automotive Connectors - Aluminum Copper AUTOMOTIVE CONNECTORS - ALUMINUM COPPER SAY GOOD-BYE TO Cu/Al JOINING CHALLENGES The growing use of Aluminum in automotive wire harnesses and components has created new challenges for traditional connectors. Overcoming the mechanical and galvanic mismatch of joining Aluminum with Copper devices requires a new approach to connector design. Materion's Copper Aluminum Dovetail Clad® is a drop-in solution to stamping this new family of connectors. The internal joint between Copper and Aluminum ensures excellent electrical and mechanical performance. Galvanically, the internal joint is easily protected and isolated.