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2 011 965

(13)

C1

(51)

IPC

(21) (22)

Application

5038228/28, 1992-03-05

(22)

Actual filing date

1992-03-05

(45)

Published

1994-04-30

(72)

Inventor

Gurvich L.Ja.Erofeeva V.L.Shubadeeva L.I.Belous V.Ja.Zhirnov A.D.Rechmenskaja A.G.Usankova L.A.

(73)

Holder

Vserossijskij Institut Aviatsionnykh Materialov

METHOD FOR ANALYZING STAINLESS STEEL BEARING UNDER 13% CHROMIUM FOR TENDENCY TO CORROSION CRACKING Russian patent published in 1994 - IPC

Abstract RU 2011965 C1

FIELD: investigating materials. SUBSTANCE: stainless steel bearing under 13% chromium is kept in solution made up of (by g/l) MgCl2·6H2O 180-200 or NaCl 120-140, Na2S2O3 18-23, the balance water at a temperature of 60-65 C for 10 hours until cracks develop. EFFECT: reduced analysis duration, obviated necessity for using toxic substances. 1 tbl

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RU 2 011 965 C1

Authors

Gurvich L.Ja.

Erofeeva V.L.

Shubadeeva L.I.

Belous V.Ja.

Zhirnov A.D.

Rechmenskaja A.G.

Usankova L.A.

Dates

1994-04-30—Published

1992-03-05—Filed

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