Title: Recent Development of Micro Powder Injection Moulding Technology
Abstract: Powder injection molding(PIM) has emerged as a feasible method for producing complex shaped parts at a competitive cost.The PIM process, which consists of feedstock preparation,injection molding,debinding and sintering,uses a combination of powder metallurgy and plastic injection molding technologies to produce net-shape parts of metal and ceramic.Using very fine powders and a modified feedstock and injection process,PIM can also be applied to microstructures and microcomponents(micro PIM).In this study,ceramic microcomponents of alumina(Al_2O_3) were produced and analyzed.It was shown that the smallest achievable structures were about ten times the input particle size.For example,with 400 nm alumina particles,structures of 5μm were successfully injection molded and sintered.As a wide variety of metals and ceramics can be processed,including functional and catalytic materials,micro PIM opens up new areas for the mass production of microcomponents for the medical and automotive industries.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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