Method for improving thermal deformation performance of titanium-based composite material
A titanium-based composite material and thermal deformation technology, which is applied in the field of improving the thermal deformation performance of titanium-based composite materials, can solve the problems of many deformation defects and high deformation resistance, and achieve reduced thermal deformation resistance, improved thermal deformation performance, and good application prospects Effect
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Embodiment 1
[0025] (1) Use acetone and absolute ethanol to ultrasonically clean industrial titanium sponge in sequence, dry it in a drying oven at 100°C for 4 hours, and add TiB 2 Powder, TiB 2 The mass of the powder is 1.25% of the total mass of the composite material, and it is placed in a water-cooled crucible in a vacuum non-consumable electric arc furnace.
[0026] (2) Vacuuming to achieve a vacuum degree of 3×10 -3 After Pa, argon with a purity of 99.999% and hydrogen with a purity of 99.999% are introduced, and the flow ratio of hydrogen and argon is 2:3. After melting all the raw materials at a current of 150A, raise the current to 500A, keep the current constant, and stop the melting after 10 minutes. After the composite material is solidified and cooled, turn it upside down and place it upside down in a water-cooled copper crucible. Repeat the melting operation for a total of 6 melting times to obtain TiB Reinforced Ti-based composites.
Embodiment 2
[0028] The difference between this embodiment and embodiment 1 is: raw material sponge titanium, pure Mo particles and TiB 2 The powder mass is 62.25%, 33%, and 4.75% of the total mass of the composite material, and the rest of the operation steps are exactly the same as in Example 1 to obtain the TiB reinforced Ti-33Mo matrix composite material.
Embodiment 3
[0030] The difference between this embodiment and Example 1 is that the raw materials are titanium sponge, aluminum element and aluminum-vanadium master alloy; the quality of the aluminum-vanadium master alloy is weighed according to the mass ratio of vanadium element in the prepared composite material as 4%; The mass ratio in the prepared composite material is 6%, if the quality of the aluminum element in the aluminum-vanadium alloy does not meet the quality requirements of the composite material, it is supplemented with aluminum element; adding TiB 2 The powder mass is 2.5% of the total mass of the composite material, and the rest of the operation steps are exactly the same as in Example 1 to obtain a TiB-reinforced Ti-6Al-4V-based composite material, marked as composite material A.
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