Preparation method of low-modulus high-elastic beta-type titanium alloy dental arch wire
A technology of titanium alloy wire and titanium alloy, which is applied in the field of biomedical materials and dental arch wire processing, can solve the problem that titanium alloy dental arch wire cannot meet the requirements of use well, the preparation process of titanium alloy dental arch wire is complicated, and the manufacturing efficiency is low and other issues to achieve the effect of good product effect, improved corrosion resistance and high manufacturing efficiency
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[0030] Example one:
[0031] Select the Ti-11Mo-5Zr-4Sn-3Nb titanium alloy hot-rolled bar with a specification of Φ25mm, and perform annealing treatment on the titanium alloy hot-rolled bar. The annealing temperature is 900℃, the annealing time is 30min, and the cooling method is air cooling; The latter titanium alloy bars are forged at low temperature on a rotary forging machine and processed into titanium alloy wires. The temperature is selected as 500℃, the feeding speed is 15mm / s, and the pass deformation is less than 40% to obtain Φ4mm titanium alloy round wires. . MoS 2 Coat the surface of the Φ4mm titanium alloy round wire uniformly with the graphite emulsion lubricant. Then, when the round die is used to draw the round wire, the drawing speed is 600mm / min, and the deformation of each pass is less than 15%. After 3 passes Φ2.0mm round wire is obtained by drawing; then the Φ2.0mm round wire is ultrasonically cleaned, and intermediate annealing is carried out. The intermedi...
Example Embodiment
[0033] Embodiment two:
[0034] Choose the Ti-11Mo-5Zr-4Sn-3Nb titanium alloy hot-rolled bar with a specification of Φ20mm, and perform annealing treatment on the titanium alloy hot-rolled bar. The annealing temperature is 900℃, the annealing time is 30min, and the cooling method is air cooling; The latter titanium alloy bar is forged at a low temperature on a rotary forging machine and processed into a titanium alloy wire. The temperature is selected as 300°C, the feeding speed is 5mm / s, and the pass deformation is less than 20% to obtain a Φ3mm titanium alloy round wire. Then MoS 2 Coat the surface of Φ3mm titanium alloy round wire uniformly with graphite emulsion mixed lubricant. The round wire is drawn with a round die. The drawing speed is set to 400mm / min, the deformation of pass is less than 15%, and Φ1.5mm is obtained after 3 passes. Round wire, then Φ1.5mm round wire is ultrasonically cleaned, and intermediate annealing is carried out. The intermediate annealing temperat...
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