Microstructural and Fractographical Studies on Quenched and Tempered Armor Steels


Karagoz S., ATAPEK Ş. H. , Yilmaz A.

MATERIALS TESTING, cilt.52, sa.5, ss.316-322, 2010 (SCI İndekslerine Giren Dergi) identifier

  • Cilt numarası: 52 Konu: 5
  • Basım Tarihi: 2010
  • Dergi Adı: MATERIALS TESTING
  • Sayfa Sayıları: ss.316-322

Özet

In this study, a boron-alloyed experimental steel has been rolled to form a sheet product, and an austenization treatment has been performed, followed by rapid quenching and then tempering. By austenization, a homogeneous austenite phase is obtained and a martensitic microstructure is formed after rapid quenching. This kind of microstructure exhibits high hardness, but low toughness. Thus, a tempering heat treatment is applied at a proper temperature (200 degrees C and 600 degrees C) and various times, in order to provide optimum toughness and to develop an ideal combination of strength and toughness.