METHOD OF PRODUCING DEFORMED PARTS FROM PSEUDO-BETA-TITANIUM ALLOYS Russian patent published in 2012 - IPC C22F1/18

Abstract RU 2441097 C1

FIELD: metallurgy.

SUBSTANCE: ingot is first produced to be subjected to thermomechanical treatment by heating at temperature some 150÷380°C higher than T_cp and to deformation to 40÷70%, heating to temperature some 60÷220°C higher than T_cp and deformation to 30÷60%, heating to some 20÷60°C below T_cp and deformation to 30÷60%. Then recrystallisation is performed by heating the ingot to temperature some 70÷140°C higher than T_cp and deformation to 20÷60% and cooling to room temperature. After heating to temperature some 20÷60°C below T_cp the billet is deformed to 30÷70% and subjected to additional recrystallisation by heating to temperature some 30÷110°C higher than T_cp and deformation to 15÷50% and cooling to room temperature. After heating to temperature some 20÷60°C below T_cp the billet is deformed to 50÷90% and subjected to final deformation.

EFFECT: higher precision, better stable mechanical properties.

4 cl, 3 tbl

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RU 2 441 097 C1

Authors

Tetjukhin Vladislav Valentinovich

Levin Igor' Vasil'Evich

Dates

2012-01-27—Published

2010-09-27—Filed