Smelting process of TC25 titanium alloy super-large-diameter cast ingot
The invention discloses a smelting process of a TC25 titanium alloy super-large-diameter cast ingot, which comprises the following steps: preparing a mother electrode: mixing sponge titanium and binary or multi-element intermediate alloy containing Mo, W, Zr and Sn to prepare an electrode with the d...
Saved in:
Main Authors | , , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
23.05.2023
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The invention discloses a smelting process of a TC25 titanium alloy super-large-diameter cast ingot, which comprises the following steps: preparing a mother electrode: mixing sponge titanium and binary or multi-element intermediate alloy containing Mo, W, Zr and Sn to prepare an electrode with the diameter phi of 530-550mm * L, and the density of the electrode reaches 3.3-3.7 g/cm < 3 >; rotating and uniformly mixing, then putting into a mold, and compacting in an oil press with a certain tonnage to reach the specified density; the current is 15500 to 16500 A, the voltage is 33 to 35 V, and the melting speed is 12 to 14 Kg/min; smelting to be phi 640 to 680 mm * L; secondary ingot smelting: the current is 22000 to 24000A, the voltage is 35 to 37V, and the melting speed is 14 to 16Kg/min; smelting to be phi 740 to 780 mm * L; the current is 29000 to 31000 A, the voltage is 38 to 40 V, and the melting speed is 21 to 24 Kg/min; and smelting to obtain a product with the specification of phi 840-880mm * L. By adop |
---|---|
Bibliography: | Application Number: CN202111394293 |