Materials

MIM F75 (Co-Cr-Mo) for high-volume production: The impact of sintering conditions on microstructure and properties

This study analyses the potential for large-scale production of Metal Injection Molding (MIM) F75 Co-Cr-Mo alloys using low-carbon atomised powders sintered in industrial-scale continuous furnaces under various atmospheric combinations. The goal was to achieve the required properties without the need for Hot Isostatic Pressing (HIP) or conventional heat treatments, promising MIM a competitive advantage for the high volume production of parts for consumer electronics and beyond. Hao-Ming Chen and colleagues, from Chenming Electronic Technology Corp. (UNEEC), Taiwan, present their findings. ... Read more »

The metal powder-based processing of titanium: MIM and AM-related highlights from the PMTi2022 conference

Since the very first PM Titanium conference in Brisbane, Australia, in 2011, the PMTi series has been the essential meeting point where technical and commercial advances in the powder-based production of titanium parts are discussed. Encompassing production technologies from Metal Injection Molding to Additive Manufacturing, this year’s event was no different. As Dr Thomas Ebel reports, the technologies involved have moved significantly towards production readiness, but with the ever-present playoff of non-negotiable performance goals against the drive to reduce cost. ... Read more »

A microstructural investigation of 420 martensitic stainless steel processed by Metal Injection Molding

Type 420 martensitic stainless steel covers a wide carbon range of 0.15% to 0.45%. Demand for this material from the 3C, automotive, biomedical and aerospace industries has been increasing thanks to its combination of moderate corrosion resistance, high hardness, and good tensile properties. In this study, Shu-Hsu Hsieh, Dr Chung-Huei Chueh, and I-Shiuan Chen, from Chenming Electronic Technology Corp. (UNEEC), Taiwan, investigated Nb-alloyed 420 produced using BASF SE’s Catamold 420 W feedstock. Decarburisation was examined in samples processed in both a graphite furnace and a molybdenum lined furnace. Microstructure, phase and hardness variations from the sintered state to each specific stage in heat treatment were also explored. Additionally, the influence of niobium on the formation of intergranular compounds, carbides, and carbonitrides was also assessed in each heat treatment stage for comparison. ... Read more »

World PM2022: Research into the Binder Jetting of aluminium, Ni-free stainless steel, hardmetals and metallic glass

As exploration of the potential of metal Binder Jetting (BJT) picks up pace, so does the diversity of materials processed using the technology. At the 2022 World PM Congress, organised by the European Powder Metallurgy Association (EPMA) and held in Lyon, October 9-13, a number of presentations reported on developments that looked at a range of materials with commercial potential for BJT, including aluminium alloys, nickel-free stainless steel, hardmetals (cemented carbides) and metallic glass. Dr David Whittaker reports for PIM International. ... Read more »

In the latest issue of PIM International…

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Extensive MIM, CIM industry and sinter-based AM industry news, plus the following exclusive deep-dive articles and reports:

  • INMATEC Technologies: Celebrating 25 years as a driving force behind Ceramic Injection Moulding
  • A year of change: Turbulence in China’s MIM industry as markets evolve
  • Ceramic Injection Moulding: The impact of variotherm and conformal cooling technology on part quality and process capability
  • The Additive Manufacturing of multi-material and multi-functional ceramic components

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The free-to-access PIM International magazine archive offers unparalleled insight into the world of MIM, CIM and sinter-based AM from a commercial and technological perspective through:

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