METHOD OF HEAT TREATMENT OF FLAT PRODUCTS MADE OF PSEUDO-ALPHA TITANIUM ALLOY VT18U (BT18Y) Russian patent published in 2019 - IPC C22F1/18 

Abstract RU 2681236 C1

FIELD: metallurgy.

SUBSTANCE: present invention relates to the field of metallurgy of titanium alloys and can be used to enhance the complex mechanical properties of flat products of high-alloyed pseudo-alpha titanium alloy VT18U (BT18Y). Method of heat treatment of sheet metal from pseudo-alpha titanium alloy VT18U (BT18Y) includes quenching and aging. Heating of flat products for quenching is carried out at a temperature of 10–30 °C, and quenching cooling is performed at a speed of 120–70 °C/min in an aqueous solution of NaCl, while the salt concentration is calculated by the following expression: C = K × H, g/l, where C - NaCl concentration in an aqueous solution, g/l, K - empirical experimental coefficient taking into account the cooling effect of the solution, K = 4–6, H - maximum thickness of the quenched flat products, mm, and aging is carried out at a metal heating temperature of 350–400 °C for 8–16 hours.

EFFECT: flat products are characterized by high strength characteristics.

1 cl, 2 dwg, 3 tbl

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RU 2 681 236 C1

Authors

Kalienko Maksim Sergeevich

Volkov Anatolij Vladimirovich

Leder Mikhail Ottovich

Berestov Aleksandr Vladimirovich

Vodolazskij Valerij Fedorovich

Dates

2019-03-05Published

2018-01-23Filed