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5. Interaction with thermal cycles
The role of the thermal history of products containing microalloying elements is fundamental, given the evolution of precipitates (solution setting and precipitation in particular); this history is linked to the manufacturing cycle, which comprises three phases:
liquid steelmaking and solidification ;
shaping: rolling, forging or casting;
any heat treatments on the finished product.
5.1 Interaction with heat treatment
Even if microalloyed steels are often used after thermomechanical treatments, their presence plays a role in traditional heat treatments which are used for specific products such as :
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Interaction with thermal cycles
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