Publication at Faculty of Mathematics and Physics |
2009
Abstract
An ultrasonic device was designed to fabricate relatively small vacuum chill castings of FeAl-based alloys with improved microstructure. A special hot-rolling procedure preventing thermal shocks was used for the thermomechanical treatment of cast alloys.
The efficiency of ultrasonic vacuum casting is manifested by improved microstructure of hot-rolled iron aluminides Fe - 40 at.% Al with addition of C or Zr and B or Zr and B with 1 wt.% of Y2O3 particles.