BIMETALLIC MIM MEDICAL COMPONENTS
METAL INJECTION MOLDING
ABSTRACT
In the last two decades, there have been two
competing trends in the commercialization of new medical
device technology. New technologies has increased the
complexity of medical devices; while, market forces are
decreasing the cost of medical devices. Metal Injection
Molding (MIM) produces complex net-shaped parts at lower
costs than traditional wrought metal processes by
eliminating machining operations. This paper
demonstrates that two different alloys (Bimetallic) can
be co-molded into one component. Co-molded components
can contain two alloys with very different properties.
For example, a component can contain a high strength
alloy with a corrosion resistant alloy. Co-molding
permits an engineer to design one component that can
replace an assembly of several parts. This paper reviews
research on the properties of co-molded parts that
incorporate combinations of several alloys including
F75, 316L, 17-4 PH, Alloy 49, F-15, and
Fe-3%Si.
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