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Comparison Of High Performance Premixes In Industrial Compaction Of A Water Pump Pulley

  • : Vincent Paris1, Maryam Moravej1, Philippe Francois2, Vladimir Paserin1, Davide Vitti3
  • : 1Rio Tinto Metal Powders, 2Rio Tinto Iron and Titanium GmbH, 3Metalsinter srl
  • : PDF Download
  • : 2017


As powder metallurgy applications expand to more complex applications, there is an increasing need for high performance premixes. These premixes should offer an excellent level of lubrication during compaction/ejection and provide an even fill of the die leading to a stable and robust process. This study explores the serial compaction of a water pump pulley on an industrial hydraulic press. The results highlight the comparison between three premixes, containing two commercially available lubricants and one experimental lubricant. The premixes are benchmarked against a reference material. The focus of this study is given to the compaction stage, looking at part-to-part weight stability and part height consistency. Surface quality after compaction and ejection is also presented. The compaction/ejection properties of the different premixes are also compared using a specially instrumented compaction press.


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