Abstract
Selective Laser Sintering is one of the rapid prototyping technologies in today's market. It has attracted much attention and interest since the introduction of metal object fabrication by metal layer sintering. The success of this technology mainly lies in its ability to fabricate objects of complicated shape in a shorter time and at lower cost. However the complexity of new metal object design has reached a level where some special-shaped objects cannot be fabricated without post-infiltration joining due to process limitations. This paper studies the feasibility of using the brazing process to join sintered parts fabricated by the selective laser sintering method. Suitable brazing metals were chosen by the wettability test and an application example of the fabrication of a new model heat exchanger fabrication is discussed.
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