The influence of preliminary heat-treatment on microstructure of normalized low alloy sheet steel Е36
DOI:
https://doi.org/10.31498/2225-6733.24.2012.19788Keywords:
low alloy sheet steels, microstructure, subcritical temperaturesAbstract
The structural state of Е36 steel was investigated after heat-treatment regime which includes isothermal holding at the subcritical temperatures and subsequent normalization. It is shown the absence of the ferrite-pearlite bands and refinement of the steel microstructure after the proposed regime in respect to the standard normalization. The obtained results were explained as a consequence of the chemistry elements homogenization by their grain boundary diffusion during the isothermal holdingReferences
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