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Continuous oxidation system and method for phi 3mm-10mm titanium alloy wires

An oxidation system, titanium alloy technology, applied in the direction of metal material coating process, coating, solid diffusion coating, etc., can solve the problems of uneven and insufficient oxidation of titanium alloy wires, and achieve the requirements of reducing uniformity and liberation. human effect

Inactive Publication Date: 2018-03-30
西安赛特思迈钛业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a Φ3mm-Φ10mm titanium alloy wire continuous oxidation system and method to solve the problem of uneven and insufficient oxidation of titanium alloy wire existing in the prior art

Method used

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  • Continuous oxidation system and method for phi 3mm-10mm titanium alloy wires

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Use this system to continuously oxidize the Ti-25Nb-15Zr-1.5Al titanium alloy wire Φ8.0 billet, adopt a tubular heating furnace 1 with an effective working length of 4.8m, select a heating tube 2 with a diameter of 80mm, and set the tube The furnace temperature of the heating furnace 1 is 780℃. When the temperature is displayed on the meter, turn on the air supply device 3, let in air, adjust the air supply pressure to 0.05MPa, and thread the Φ8.0 diameter Ti-25Nb-15Zr-1.5Al wire into the tube In the heating furnace 1, the head of the wire 4 to be oxidized is fixed on the receiving turntable 6, the switch of the motor 7 connected to the receiving turntable 6 is turned on, and the rotation speed is set to 2.4m / min, and the wire is heated at a constant speed. 2. After all the wires have passed through the heating tube 2, the wires are removed from the receiving tray, the head and the tail are exchanged, and the above process is repeated once to achieve a uniform oxidation e...

Embodiment 2

[0039] Use this system to continuously oxidize the Ti-6Al-4V titanium alloy wire Φ4.0 billet: adopt a tubular heating furnace 1 with an effective working length of 3.6m, select a heating tube 2 with a diameter of 50mm, and set the tubular heating furnace 1 The furnace temperature is 850℃. After the meter displays the temperature, turn on the air supply device 3, feed in air, adjust the air supply pressure to 0.03MPa, and pass the Φ4.0 diameter Ti-6Al-4V wire into the tubular heating furnace 1, and fix it in Receiving turntable 6. Turn on the switch of the motor 7 connected to the receiving turntable 6, set the rotation speed to 6.4m / min, and the wire passes through the heating tube 2 at a constant speed. After all the wires have passed through the heating tube, remove the wires from the receiving tray. After observation and testing, the continuous oxidation of Ti-6Al-4V titanium alloy wire Φ4.0 billet has uniform surface color, natural transition, uniform oxide layer thickness...

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Abstract

The invention discloses a Φ3mm-Φ10mm titanium alloy wire rod continuous oxidation system, comprising a tubular heating furnace, a heating tube is arranged in the tubular heating furnace, and an air supply device is installed in the heating tube, and the air supply device is used to provide oxidation gas for the heating tube To make the wire to be oxidized in the heating tube evenly oxidized, the discharge port of the heating tube is provided with a receiving turntable, and the receiving turntable is used to pack up the wire after being heated and oxidized by the heating tube; Uneven and insufficient problems can reduce defects such as mold sticking and cracks caused by uneven and insufficient oxidation in the subsequent deformation process of the wire; the dynamic oxidation process reduces the requirements for the uniformity of the heating furnace, and at the same time liberates manpower, which is beneficial Reduce staff and increase efficiency.

Description

【Technical Field】 [0001] The invention belongs to the field of non-ferrous metal processing, and specifically relates to a system and method for continuous oxidation of a Φ3mm-Φ10mm titanium alloy wire. 【Background technique】 [0002] In recent years, small size (Φ≤5mm) titanium alloy wire has been widely used in biomedical fields with its excellent comprehensive properties and good biocompatibility, such as surgical implantation, etc. This requires materials to have uniform dimensions , Surface condition and comprehensive performance. Small-sized wires are generally made of blanks of Φ3~Φ10mm by drawing. Titanium alloys tend to adhere to the mold during drawing. The blanks need to be oxidized before drawing to form a uniform oxide layer on the surface of the blanks. Form a protective layer during subsequent drawing and increase lubrication. The oxidation process has a great influence on the subsequent drawing deformation. At present, the commonly used oxidation method is box ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C8/10
CPCC23C8/10
Inventor 金旭丹毛江虹魏芬绒杨晓康杨宏进罗斌莉胡传哲
Owner 西安赛特思迈钛业有限公司
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