METHODS FOR ARTIFICIAL AGING OF ALUMINUM-ZINC-MAGNESIUM ALLOYS AND PRODUCTS BASED ON SAME Russian patent published in 2018 - IPC C22F1/53 

Abstract RU 2668106 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to a method for heat treatment of casting and deformable aluminum-zinc-magnesium alloys (variants). Method comprises alloy casting, a solution heat treatment followed by first aging of the aluminum alloy at a first temperature of from about 310 °F to 530 °F and during the first aging from 1 minute to 6 hours, and, then, second aging of the aluminum alloy at a second temperature for a second aging time of at least 30 minutes, with a second temperature lower than the first temperature.

EFFECT: provides increased corrosion resistance and resistance to fatigue crack growth.

51 cl, 6 ex, 32 tbl, 1 dwg

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RU 2 668 106 C2

Authors

Yan Sinyan

Chzhan Venpin

Klark Dana

Brajant Dzhejms Deniel

Lin Dzhen

Dates

2018-09-26Published

2014-03-12Filed