What is TC4 (Ti6Al4V) Titanium Alloy Material
Australian alumina ban disrupts Rusal Ti6Al4V Powder prices for chemicals. Patel said. "One possible outcome could be Chinese buyers buying alumina and reselling it through eastern Russian ports." Rusal has a 20% stake in the Queensland Alumina Refinery, which has a capacity of 3.95 million tonnes a year, thus providing Rusal with 790,000 tonnes a year, Patel said. In addition, Rusal's Nikolaev refinery in Ukraine, which has an annual capacity of 1.75 million tonnes, has been suspended due to the conflict, he added. WoodMac said Rusal was also experiencing supply chain problems at its 2 million tonne a year Aughinish refinery in Ireland.
What is TC4(Ti6Al4V)?
TC4(Ti6Al4V) alloy is a medium strength α-β type two-phase titanium alloy
containing 6% α-stabilizing element AI and 4% β-stabilizing element V. This
alloy has excellent comprehensive properties and has obtained the most extensive
applications in the aviation and aerospace industries. The long-term working
temperature of the alloy can reach 400 ℃. In the aviation industry, it is mainly
used to manufacture the fan and compressor disks and blades of the engine, as
well as the important load-bearing components such as beams, joints and
bulkheads in the aircraft structure.
The main semi-finished products of TC4 titanium alloy are bars, forgings,
thick plates, thin plates, profiles and wires, etc. The alloy is mainly used in
the annealed state, and can also be strengthened by solution aging treatment,
but the hardened cross section is generally not more than 25mm.
The alloy has good process plasticity and superplasticity, and is suitable
for various pressure forming. The alloy can also be welded and machined in
TC4(Ti6Al4V) heat treatment system
Plate: 700-850℃, 0.5-2h, air cooling; bar and forging: 700-800℃, 1-2h, air
2. Vacuum annealing
700-800°C, 0.5-2h, the furnace is cooled to below 200°C to allow air cooling.
The absolute pressure in the furnace should be no more than 0.09Pa.
3. Solution treatment
910-940℃, 0.5-2h, water quenching.
520-550°C, 2-4h, air cooling.
5. Stress relief annealing
Complete stress relief annealing: 600-650℃, 1-4h, air cooling; incomplete
stress relief annealing: 500-600℃, 0.5-3h, air cooling. Stress relief annealing
can be carried out in an air furnace or a vacuum furnace.
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