Loading patent…
AssigneeZápado{hacek over (c)}eská Univerzita V Plzni
InventorsBohuslav Ma{hacek over (s)}ek, Hana Jirková, Andrea Rone{hacek over (s)}ová, {hacek over (S)}t{hacek over (e)}pán Jení{hacek over (c)}ek, Ctibor {hacek over (S)}tádler
Estimating the term…
In a first step of the method of achieving TRIP microstructure in steels by deformation heat, steel feedstock is heated to a temperature below the temperature at which austenite begins to form in the steel in question, i.e. below AC1. In a next step, the feedstock is formed into a final product, using applied severe plastic deformation whereby deformation energy causes the temperature of the material to increase to the final temperature between AC1 and AC3, and whereupon the ferrite-pearlite microstructure transforms into austenite. In a third or last process step, the final product is cooled down from the final temperature to the temperature of the bainite nose of the material (B). The cooling is then interrupted and the material is held at the temperature of the bainite nose (B). Consequently, the TRIP microstructure forms. Finally, the product is cooled down to ambient temperature.
A method of achieving TRIP microstructure in steels by means of deformation heat comprising the steps of:
Dependencies are inferred from the claim text.