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Processing method of human body implant titanium alloy arc-shaped plate

A processing method and titanium alloy technology, which is applied in the field of processing titanium alloy arc-shaped plates for human implants, can solve the problems that pure titanium arc-shaped plates are not suitable for processing titanium alloy arc-shaped plates, and improve the strength and processing efficiency. High performance and excellent effect

Active Publication Date: 2014-07-30
西部超导材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing methods for processing pure titanium arc-shaped plates are not suitable for processing titanium alloy arc-shaped plates. At present, there is no suitable method for mass production and processing of titanium alloy arc-shaped plates for human implants.

Method used

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  • Processing method of human body implant titanium alloy arc-shaped plate
  • Processing method of human body implant titanium alloy arc-shaped plate
  • Processing method of human body implant titanium alloy arc-shaped plate

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention discloses a processing method of a human body implant titanium alloy arc-shaped plate. The processing method comprises the following steps of raw material preparation and square setting, heating, flat rolling, vertical rolling 1, heating, bending 1, vertical rolling 2, heating, bending 2, vertical rolling 3, and finished product rolling, mechanical straightening, heat treatment, heat tension straightening and surface treatment. The processing method of the human body implant titanium alloy arc-shaped plate has the advantages that the performance of the manufactured titanium alloy arc-shaped plate is excellent, the method is suitable for large-batch production and processing, the processing precision is high, in addition, the cracking is avoided, the processing efficiency is high, the defect of insufficient intensity of a pure titanium arc-shaped plate is effectively overcome, and wider material selection conditions are provided for human body implant bone fracture plates.

Description

technical field [0001] The invention belongs to the technical field of nonferrous metal processing, and in particular relates to a processing method for a titanium alloy arc-shaped plate of a human body implant. Background technique [0002] After several years of application of pure titanium arc-shaped plates for human implants, it has been recognized and praised by the market, but with more in-depth research, it is found that pure titanium arc-shaped plates can no longer meet the needs of some damaged parts with greater stress Higher strength requirements require a higher strength curved plate to meet. Titanium alloys are widely used in various fields because of their high strength, good corrosion resistance, and high heat resistance. Therefore, titanium alloy curved plates can effectively improve the shortcomings of pure titanium curved plates. Wider choice of materials available. However, the existing methods for processing pure titanium arc-shaped plates are not suita...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00C22F1/18
CPCB23P15/00C22F1/18
Inventor 杜小联董卫选李军韩志宇杨辉周涛
Owner 西部超导材料科技股份有限公司
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