Anisotropy in Microalloyed S355N Steel
Author(s):
Abstract:
Thermomechanical control process steel produced by rolling has a significant anisotropy. The elongated grains and inclusions formed during hot rolling of ferrite and low carbon HSLA steels directly influence the anisotropy of the steel’s mechanical properties as a result of microstructural anisotropy. The present research deals with this anisotropy, and particular attention has been paid to the tensile and Charpy V-notched behavior and microscopic properties. The mechanical response of a 25 mm thick rolled plate of S355N steel was characterized. The results of Charpy tests of V-notched specimens of the through-thickness direction were found o be considerably temperature-dependent and also to vary in the longitudinal and the transverse directions. arked anisotropy effects were observed, with the through-thickness orientation exhibiting a tensile response ower than that of the longitudinal and transverse ones. These experimental findings were ationalized using the orrelation holding among inclusion distribution, reduction area ercent, nd banding of the microstructure.
Language:
English
Published:
International Journal of iron and steel society of Iran, Volume:5 Issue: 2, Summer and Autumn 2008
Page:
14
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