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Improving Kinetics Of MIM Process By Applying New Methods Of Debinding And Sintering

  • : Olivier Dugauguez1, Andrea García-Junceda2, Antonia Jiménez-Morales3, Thierry Barriere1, José Manuel Torralba3
  • : 1Femto-ST institute, 2IMDEA Materiales, 3University Carlos III of Madrid
  • : PDF Download
  • : 2018

Abstract

The processing of MIM Inconel 718 components is investigated in order to reduce the time and energy consumption. If a default is produced during a step of the MIM process it will be near impossible to compensate it during the next one which is why it is important to understand the impact of each new methods on the component. The two alternatives investigated are the polymer extraction by a supercritical fluid and the Field Assisted Sintering. The first part of this study introduce the optimization of the two alternative methods followed by the characterization of the final MIM components. The impact on the phases obtained after sintering is observed via SEM and TEM observations. The surface quality of the components is characterized via a roughness analysis. Finally the mechanical performances of the material are obtained by tensile strength tests and nano-indentation tests.

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