The 2023 International Conference on Injection Moulding of Metals, Ceramics and Carbides (MIM2023), organised by the Metal Powder Industries Federation (MPIF)’s Metal Injection Molding Association (MIMA), was held in Costa Mesa, California, USA, from February 27 to March 1, 2023. As well as being the annual meeting point of the US Metal Injection Molding community, the event attracts an international audience and has broadened in scope to include sinter-based Additive Manufacturing processes. Dr Animesh Bose reviews some highlights from the MIM2023 technical programme.
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SSI Sintered Specialties, LLC can trace its roots back to the earliest days of Powder Metallurgy in the US. True to its name, that company has over the decades found success through specialisation, in particular stainless steel PM products. This is a theme that continues today, with the company now expanding its horizons through the development of large Metal Injection Molding parts using innovative feedstock technology, and the adoption of metal Binder Jetting. Bernard North visited the company on behalf of PIM International and reports on its plans to remain at the forefront of metal powder based parts production.
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In recent years there has been a surge in interest in sinter-based metal Additive Manufacturing, with many of these technologies adapting the materials used in Metal Injection Moulding. Whilst Binder Jetting (BJT) and Material Extrusion (MEX) processes lead the field in terms of market penetration, sometimes something radically different comes along. This is certainly the case with Germany’s Headmade Materials, whose Cold Metal Fusion (CMF) AM process takes a completely new approach. Dr Georg Schlieper visited the company and reports for PIM International on the company and its technology.
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In this article, Dr Samuel von Karsa-Wilberforce, Emery Oleochemicals, Germany, and co-authors report on the tensile strength of sintered 316L specimens produced via Fused Filament Fabrication (FFF), a Material Extrusion (MEX)-based Additive Manufacturing process. The parameters studied include printing nozzle temperature, flow percent or extrusion multiplier and nozzle diameter of print head. The 316L feedstock filaments are based on Emery Oleochemicals’ evolutionary binder system, which has been used in MIM for more than thirty years. The partner in the study for debinding, sintering and mechanical testing is CMG Technologies Ltd, UK.
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