Master of Science
Materials Science and Engineering
Pense, Alan W.
Previous work on the toughness of low carbon steels suggested that acicular ferritic structure could lower the notch toughness of these steels. In the present work, this type of structure was studied and it was found that the acicularity of the ferrite grains produced by air cooling from high austenitizing temperatures, was probably not the cause of the embrittlement of structural steels. It was suggested that the increase in transition temperature, observed in conjuction with acicularity in the ferrite, was due to an aging phenomenon that could take place at room temperature.
Leonardo, Georges, "The effect of austenitizing temperature and aging on the notch toughness of plain carbon steel" (1965). Theses and Dissertations. 3314.