A kind of processing method of titanium alloy curved plate of human body implant
A processing method and titanium alloy technology are applied in the processing field of titanium alloy curved plates for human implants, which can solve the problem that pure titanium curved plates are not suitable for processing titanium alloy curved plates, and achieve the improvement of insufficient strength and processing efficiency. The effect of high, wide material selection conditions
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Embodiment 1
[0044] preparation TC4 titanium alloy curved plate;
[0045] Step 1, raw material preparation
[0046] According to the GB / T13810-2007 standard, select TC4 titanium alloy rods with Ф12mm, tensile strength ≥ 860MPa, elongation ≥ 10%, roughness 3.2μm, and the surface of the billet has no visible cracks, grinding lines, folding and other defects. The pit should transition smoothly to obtain TC4 titanium alloy blank;
[0047] Step 2, Rolling
[0048] The TC4 titanium alloy billet obtained in step 1 is first rolled to Ф10mm by the cold square process, and the pass processing rate is 3%; then it is heated by electric contact, and the infrared temperature control system is adopted. The heating temperature is 850 ° C, and the power is turned off when the temperature reaches ;A two-roll rolling mill is used to quickly flat-roll to a thickness of 5.0mm-5.5mm×width 15mm-16mm, and the processing rate of the flat-rolling pass is 10%; The processing rate of rolling 1 is 15%; followed b...
Embodiment 2
[0056] preparation TC20 titanium alloy curved plate;
[0057] Step 1, raw material preparation
[0058] According to the GB / T13810-2007 standard, TC20 titanium alloy rods with a diameter of Ф12mm are selected, the tensile strength is ≥900MPa, the elongation is ≥10%, and the roughness is 3.2μm. The pit should transition smoothly to obtain TC20 titanium alloy blank;
[0059] Step 2, Rolling
[0060] The TC20 titanium alloy billet obtained in step 1 is first rolled to Ф10mm by the cold square process, and the pass processing rate is 5%; then it is heated by electric contact, and the infrared temperature control system is adopted. The heating temperature is 800 ° C, and the power is turned off when the temperature reaches ;A two-roll rolling mill is used to quickly flat-roll to a thickness of 5.0mm-5.5mm×width 15mm-16mm, and the processing rate of the flat-rolling pass is 18%; The processing rate of rolling 1 is 5%; followed by 2 times of rolling, electric contact heating to ...
Embodiment 3
[0068] preparation TC4 titanium alloy curved plate;
[0069] Step 1, raw material preparation
[0070] According to the GB / T13810-2007 standard, TC4 titanium alloy rods with a diameter of Ф15mm are selected, the tensile strength is ≥860MPa, the elongation is ≥10%, and the roughness is 3.2μm. The pit should transition smoothly to obtain TC4 titanium alloy blank;
[0071] Step 2, Rolling
[0072] The TC4 titanium alloy billet obtained in step 1 is first rolled to Ф14mm by the cold square process, and the pass processing rate is 8%; then it is heated by electric contact, and the infrared temperature control system is used. The heating temperature is 900 ° C, and the power is turned off ;A two-roll rolling mill is used to quickly flat-roll to a thickness of 7.0mm-7.5mm×width 20mm-21mm, and the processing rate of the flat-rolling pass is 30%; The processing rate of rolling 1 is 30%; followed by 2 times of rolling, electric contact heating to 900°C, and power off at temperature...
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