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2 448 180

(13)

(51)

IPC

C22C21/02(2006-01-01)

C22C1/02(2006-01-01)

(21) (22)

Application

2010124723/02, 2010-06-16

(24)

Start date

2010-06-16

(22)

Actual filing date

2010-06-16

(45)

Published

2012-04-20

(72)

Inventor

Nikitin Konstantin VladimirovichNikitin Vladimir IvanovichTimoshkin Ivan Jur'Evich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Samarskij Gosudarstvennyj Tekhnicheskij Universitet

PREPARATION METHOD OF MICROCRYSTALLINE ALUMINIUM-SILICONE ALLOY COMBINATION Russian patent published in 2012 - IPC C22C21/02 C22C1/02

Abstract RU 2448180 C2

FIELD: metallurgy.

SUBSTANCE: according to the method aluminium is molten in the form of electrotechnical aluminium waste, the melt of which includes silicone in the form of waste of crystalline silicone with fraction size of 2 to 10 mm in quantity of 40÷45% of introduced silicone weight at melt temperature which is higher by 10÷20°C than liquidus temperature for obtaining the melt at crystallisation interval of not less than 30°C. Melt is cooled to solid-liquid state and the second portion of silicone of the same fraction is introduced in quantity of 40÷45% of the introduced silicone weight, mixed and exposed at temperature of introduction of the second silicone portion during 15÷20 minutes. The third portion of silicone with fraction size of less than 2 mm is introduced in quantity of 5÷15% of the weight of introduced silicone at temperature which is higher than solidus temperature by 20÷40°C, mixed and exposed till complete dilution of silicone.

EFFECT: invention allows obtaining microcrystalline structure of alloy combination owing to using pulverised silicone addition and due to high crystallisation speed.

1 tbl, 1 dwg

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RU 2 448 180 C2

Authors

Nikitin Konstantin Vladimirovich

Nikitin Vladimir Ivanovich

Timoshkin Ivan Jur'Evich

Dates

2012-04-20—Published

2010-06-16—Filed