Prototype Material Processing

Another sign of Alcoa’s commitment to the Aluminum brazing sheet industry is the full sized Controlled Atmosphere Brazing (CAB) Furnace, located at the Heat Exchanger Materials Technical Center. The CAB furnace allows for the brazing of full sized heat exchangers, for customer evaluations of new models and designs.

The furnace is a semi-continuous 3 chamber furnace, which consists of a preheat chamber, a braze chamber, and a cooling chamber. The furnace has airtight automatic doors in between stages, to reduce the amount of nitrogen loss, and to ensure a good atmosphere. Each stage is computer controlled. The cooling chamber has cooling rates capable of simulating common production cooling rates as well as high convection cooling utilized in heat treatable alloys.

Prototype Material Testing



The Heat Exchanger Materials Technical Center (HXTC) is not only a mini factory, but a research lab as well. Bench corrosion testing, including SWAAT, Cyclic Corrosion, Salt Spray, and internal corrosion can be performed on site. Mechanical and fatigue testing also can be performed in tensile. Optical microscopes w/digital image acquisition & quantitative metallography and Jeol SEM with EDXA and high speed backscattering are available in house for precise and timely examination. Further access to the Alcoa Technical Center in Pittsburgh, Pennsylvania is routine in cases where specialized testing is required.


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