Abstract

The purpose of present work was to study the precipitation in Ti, Nb and V microalloyed HSLA steels, aimed to provide subsides for alloy design and thermomechanical processing. Calculations were performed using the Thermo-Calc software, version 4. The precipitation of compounds, the conditions for dissolution of elements in the austenite and the influence of the elements C, N, Nb and V on precipitation were evaluated using equilibrium diagrams. The methodology of the study provided important qualitative information about the phenomenon of precipitation, which are fundamental to establish routes of HSLA thermomechanical process

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