Superalloy/Al2O3 type Composite Compacts Obtained by Spark Plasma Sintering from Mechanically Alloyed Powders

Authors

  • Călin V. Prică Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Niculina A. Sechel Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Bogdan V. Neamțu Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Traian F. Marinca Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Florin Popa Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Horea F. Chicinaș Materials Science and Engineering Department, Technical University of Cluj-Napoca
  • Ionel Chicinaș Materials Science and Engineering Department, Technical University of Cluj-Napoca

Abstract

Fe-base Superalloy/Al2O3 type composite compacts were successfully obtained by spark plasma sintering from mechanically alloyed powders. The superalloy powders without Al2O3 and superalloy/Al2O3 type composites powders with 5 and 10 %vol. Al2O3 were synthesized from elemental powders in a high energy planetary mill. The influence of the milling process on particle size evolution has been determined using a Laser Particle Size Analyzer with an analysis field of 0.1-1000 μm. The composite compacts were obtained by spark plasma sintering. Both, composite powders, and compacts were investigated by X-ray diffraction (XRD), high temperature X-ray diffraction (HT-XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX).

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Published

2022-08-28

Issue

Vol. 54 No. 3 (2022)

Section

Articles