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Preparation method of titanium fiber

A technology of titanium fiber and titanium wire, which is applied in the field of metal processing, can solve the problems that limit the application of titanium fiber in high-end fields, and achieve the effects of ensuring performance stability, improving product quality, and reducing production costs

Active Publication Date: 2016-05-25
西安菲尔特金属过滤材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method of titanium fiber, which solves the problem that the minimum wire diameter of the wire obtained by the existing method is only Φ0.1mm, which limits the application of titanium fiber in high-end fields

Method used

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  • Preparation method of titanium fiber

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preparation example Construction

[0021] The preparation method of titanium fiber of the present invention, specifically implement according to the following steps:

[0022] Step 1, using an automatic winding machine with a speed of 60-200r / min to make the titanium wire with a diameter of 0.4-0.6mm go through the pickling tank and the pre-nickel plating tank for activation treatment and nickel plating on the surface, and finally enter the main plating tank to obtain copper plating Titanium wire, in which the grooves are closely connected to prevent the titanium wire from being exposed to air for too long and regenerating an oxide film on the surface;

[0023] The pickling solution in the pickling tank is composed of the following components by mass percentage: nitric acid (mass concentration is 65%) 15% to 25%, hydrofluoric acid (mass concentration is 40%) 3% to 5%, and the balance is water. The sum of the mass percentages of the components is 100%, and the pickling time is 20-30s;

[0024] The composition of...

Embodiment 1

[0033] Step 1, first wipe the pure titanium (TA1) with a wire diameter of 0.4 mm to degrease with alcohol, then clean it with deionized water, and use an automatic winding machine with a speed of 60r / min to make the titanium wire pass through the pickling tank and the pre-coating tank in sequence. The nickel plating tank is activated and the surface is nickel plated, and finally enters the main plating tank to obtain copper-plated titanium wire;

[0034] In the pickling tank, the pickling solution is composed of the following components by mass percentage: nitric acid (mass concentration is 65%) 18%, hydrofluoric acid (mass concentration is 40%) 3%, the balance is water, the above-mentioned components mass percentage The sum is 100%, and the pickling time is 30s;

[0035] The composition of plating solution in the pre-nickel plating bath is: nickel chloride 120g / L, hydrochloric acid (mass concentration is 34%) 160ml / L, wherein the mass concentration of hydrochloric acid is 34%...

Embodiment 2

[0040]Step 1, first wipe the pure titanium (TA1) with a wire diameter of 0.5 mm to degrease with alcohol, then clean it with deionized water, and use an automatic winding machine with a speed of 120r / min to make the titanium wire pass through the pickling tank and the pre-coating tank in sequence. The nickel plating tank is activated and the surface is nickel plated, and finally enters the main plating tank to obtain copper-plated titanium wire;

[0041] Pickling solution in the pickling tank is made up of following components by mass percentage: nitric acid (mass concentration is 65%) 21%, hydrofluoric acid (mass concentration is 40%) 4%, surplus is water, above-mentioned component mass percentage The sum is 100%, and the pickling time is 25s;

[0042] The composition of plating solution in the pre-nickel plating tank is: nickel chloride 130g / L, hydrochloric acid (mass concentration is 34%) 200ml / L, wherein the mass concentration of hydrochloric acid is 34%, and pre-plating c...

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Abstract

The invention discloses a preparation method of titanium fiber. The preparation method comprises following steps: titanium wires are subjected to acid pickling, nickel preplating, and surface copper plating so as to obtain copper-plated titanium wires; the copper-plated titanium wires are dried, are subjected to bundling compounding and vacuum annealing, and then are subjected to bundling drawing so as to obtain a complex; and the complex is subjected to acid pickling, water washing, and drying so as to obtain a finished product. The preparation method is used for replacing monofilament drawing in titanium fiber production, so that production efficiency is increased greatly, production cost is reduced, performance stability of batched produced titanium fiber is ensured, product quality is improved, a problem that titanium fiber with a diameter smaller than 0.1mm is difficult to process is solved, and multicore titanium fiber with a smallest diameter of 25<mu>m is prepared.

Description

technical field [0001] The invention belongs to the technical field of metal processing, and in particular relates to a preparation method of titanium fibers. Background technique [0002] Titanium fiber has excellent comprehensive mechanical properties such as low density, high strength, high temperature resistance, and corrosion resistance, as well as excellent biocompatibility and other unique characteristics. After the hybridization of the implant material, the high affinity of the cells can also be improved, thereby improving the combination of the bone and the implant. Because of so many advantages of titanium alloy, it has become one of the popular high-end materials used in biomedical, aviation, aerospace, marine, military, sports and other fields. At present, it has been widely used in high-tech fields such as medical surgical sutures, water treatment systems, smart sensors and space suits. However, since titanium wire production mostly adopts single-filament multi...

Claims

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Application Information

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IPC IPC(8): B21C37/04B21C1/00
CPCB21C1/00B21C37/042B21C37/047
Inventor 侯力强左彩霞卓磊孟文妍李秀波段博译光涛
Owner 西安菲尔特金属过滤材料股份有限公司
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