Metal injection molding (MIM) is a well-established, cost-effective method of fabricating small-to-moderate size near net-shape metal components. In the MIM of titanium (Ti), one of the key points in the process is the interstitial contamination, especially oxygen. This study examines the sources of interstitial contamination during the metal injection moulding of commercially pure (CP-Ti) and Ti6Al4V (Ti-64) alloys. Also presented is a route to control and minimize the contamination in the sintered parts. The effect of the levels of oxygen contamination on the mechanical parts is also presented in the work.
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Sidambe et al. (2012) studied this question.
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