Journal of Production Engineering

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Vol. 6 No. 5, 6 (1989): Former "Proceedings of the Institute of Production Engineering"
Original Research Article

The influence of the initial microstructure of die-casting steel on heat treatment results

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  • Damir Kakaš,
  • Leposava Šiđanin,
  • Vladimir Bajić
Damir Kakaš University of Novi Sad, Faculty of Technical Sciences, Departman for Production Engineering, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia
Leposava Šiđanin University of Novi Sad, Faculty of Technical Sciences, Departman for Production Engineering, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia
Vladimir Bajić University of Novi Sad, Faculty of Technical Sciences, Departman for Production Engineering, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia

DOI

Published 1989-12-01

Keywords

  • die-casting steel,
  • optimal cooling rate

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Abstract

This paper presents the influence of the initial microstructure of die-casting steel C.4751 on the results of heat treatments. These treatments were conducted using a furnace with a controlled atmosphere, a vacuum furnace, and salt baths. The best results were achieved with specimens treated in salt baths, thanks to the optimal cooling rate conditions. However, the toughness results obtained from the specimens treated in salt baths never matched the standards' recommendations, primarily due to the inappropriate initial microstructure of the steel.

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