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Transforming Persistent Liquid Phase Sintering Into Transient Liquid Phase Sintering.

  • : Mateusz Skalon1, Katarzyna Sulikowska1, Jan Kazior1
  • : 1Cracow University of Technology
  • : PDF Download
  • : 2016


Sintering in presence of persistent liquid phase leaves in some cases unwanted phases originated from solidifying liquid. The purpose of research described below was to transform this liquid into solid phases of small molar volume and to change the process of sintering in presence of persistent liquid phase into transient liquid phase sintering. According to performed investigation and thermodynamic calculations, persistent liquid may be transformed into transient one by introducing binder which consequently lowers amount of the eutectic liquid in tailored temperature. Experimental trials confirmed feasibility of changing the phase composition and morphology of solidified liquid phase from network-shape into globular one by addition of liquid binder. According to results’, sinters of high precision, high relative density and enhanced properties may be easily obtained in press and sinter process for iron-based powders.


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