Definition of Metal Injection Molding (MIM) Metal injection molding (MIM ) is an advanced powder metal injection molding (PMIM) manufacturing process that produces small, complex metal parts to tight tolerances and high densities. In MIM, metal powders are combined with polymer binders to create a feedstock material that can be injected into molds using plastic injection molding techniques. After molding, the binders are removed through debinding of MIM parts, and the metallic component is sintered at high temperatures to fuse the particles into a solid metal part. Importance of metal selection in MIM Metal selection is crucial in metal injection molding as it fundamentally impacts feedstock properties, molding behavior, debinding, sintering characteristics, final part properties, and secondary operations. The specific alloy composition and powder morphology drive important factors like densification, shrinkage, mechanical performance, machinability, corrosion resistance, cost, an
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