METHOD FOR PLASTIC WORKING OF TITANIUM ALLOYS Russian patent published in 2010 - IPC B21J1/04 C22F1/18

Abstract RU 2380189 C1

FIELD: technological processes.

SUBSTANCE: invention is related to plastic working and may be used in aviation and power industry to manufacture high-duty items for gas turbine engines, gas turbine plants and airplane structures of titanium alloys. Plastic working of titanium alloys includes processing of billet in β - plane and its further processing for final dimensions. Processing in β - plane is carried out to produce intermediate dimensions of stock with allowance. Further processing for final dimensions of billet is carried out in α+β - plane with extent of deformation of at least 0.2% in the whole volume of billet. Besides cold treatment of billet is carried out.

EFFECT: invention provides for elimination of microcracks formation, improved efficiency of plastic working processes and physical-mechanical properties of items from titanium alloys.

5 cl, 2 dwg, 1 ex

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RU 2 380 189 C1

Authors

Dates

2010-01-27—Published

2008-04-29—Filed