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2 165 996

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IPC

(21) (22)

Application

99120980/02, 1999-10-05

(24)

Start date

1999-10-05

(22)

Actual filing date

1999-10-05

(45)

Published

2001-04-27

(72)

Inventor

Fridljander I.N.Senatorova O.G.Tkachenko E.A.Kablov E.N.

(73)

Holder

Gosudarstvennoe Predprijatie Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov"

HIGHLY STRONG ALUMINIUM-BASED ALLOY AND PRODUCT THEREOF Russian patent published in 2001 - IPC

Abstract RU 2165996 C1

FIELD: construction materials in aviacosmetic engineering and transport vehicles. SUBSTANCE: highly string Al-Zn-Mg-Cu-based alloy comprises, wt.%; zinc, 5.0-7.0; magnesium, 1.8-2.8; copper, 1.4- 2.0; chromium, 0.1-0.25 iron, 0.05-0.25; titanium, 0.005-0.07; silicon, 0.02-0.1; manganese, 0.2-0.6; and the balance, manganese to chromium ratio being more or equal to 1.3. Iron to silicon ratio is more or equal to 1.5. EFFECT: improved technological characteristics of alloy during casting, cracking resistance, plasticity, corrosion resistance and desired level of strength for all types of semiproducts. 4 cl, 1 ex, 2 tbl

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RU 2 165 996 C1

Authors

Fridljander I.N.

Senatorova O.G.

Tkachenko E.A.

Kablov E.N.

Dates

2001-04-27—Published

1999-10-05—Filed