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A1

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IPC

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Application

4903358/02, 1991-01-18

(22)

Actual filing date

1991-01-18

(45)

Published

1995-06-09

(72)

Inventor

Il'In A.A.Mamonov A.M.Sonina T.I.Jasinskij K.K.

TITANIUM ALLOYS THERMAL TREATMENT METHOD Russian patent published in 1995 - IPC

Abstract SU 1788783 A1

FIELD: metallurgy. SUBSTANCE: method provides for titanium alloys heating in vacuum to temperature in interval from temperature of polymorphous transformation - tpt to tpt - 50 C, holding for no less than 1 hour, cooling to 0.9 tpt, saturation by hydrogen to 0,5 - 1.0 mass %, cooling in hydrogen atmosphere in interval of temperatures from 0.9 tpt to 0.9 thspt

of (hydrogen saturated alloy) with following vacuum roast under temperature of 700 - 800 C. Method allows to increase plasticity and impact tenacity with preservation of strength level. EFFECT: method is used in industries, which use titanium alloys. 1 tbl

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SU 1 788 783 A1

Authors

Il'In A.A.

Mamonov A.M.

Sonina T.I.

Jasinskij K.K.

Dates

1995-06-09—Published

1991-01-18—Filed

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