Braze Joint Preparations

A variety of KM coatings have been identified to enhance automotive air conditioning heat exchanger brazing challenges. Several customer applications are outlined below.

A/C heat exchanger fittings KM coated with diffusion barrier.


Surface of 4047, Al-Si Braze Alloy, as deposited on micro-multiport component, SEM 200X


Cross-section of braze, braze at center, light 500X