FIELD: metallurgy.
SUBSTANCE: proposed alloy contains the following components, in wt %: copper 3.50-4.50, magnesium 1.20-1.60, manganese 0.30-0.60, zirconium 0.01-0.15, silver 0.01-0.50, iron 0.01-0.12, silicon 0.01-0.08, titanium 0.01-0.06, scandium 0.01-0.20, calcium 0.001-0.05, at least, one element from the GROUP including nickel 0.005-0.05, hafnium 0.01-0.10. Note here that total amount of Fe+Si≤0,15 at Fe/Si≥1.2, aluminium making the rest.
EFFECT: higher strength, crack resistance and fatigue strength.
2 tbl
| Title | Year | Author | Number |
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| HEAT RESISTANT DEFORMED ALLOY ON BASE OF ALUMINIUM AND ITEM MADE OF IT | 2010 |
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| HIGH-STRENGTH HEAT-TREATABLE ALUMINIUM ALLOY AND ARTICLE MADE THEREOF | 2014 |
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| WROUGHT THERMALLY NON-HARDENED ALUMINIUM-BASED ALLOY, AND ITEM MADE FROM IT | 2008 |
|
RU2387725C2 |
| HIGH-TENSILE DEFORMED ALLOY ON BASE OF ALUMINIUM AND ITEM OUT OF THIS ALLOY | 2008 |
|
RU2394113C1 |
| HIGH-STRENGTH ALUMINIUM ALLOY OF Al-Zn-Mg-Cu SYSTEM AND PRODUCTS MADE OF IT | 2022 |
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| HIGH-STRENGTH DEFORMABLE ALLOY BASED ON ALUMINIUM WITH LOWER DENSITY AND METHOD OF ITS PROCESSING | 2011 |
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RU2560481C1 |
