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Medical high-elasticity tin-plated alloy wire and preparation method thereof

A technology of alloy wire and high elasticity, which is applied in the field of high elasticity tin-plated alloy wire for medical use and its preparation, can solve the problems affecting the performance of copper alloy wire, poor elasticity, stress cracks, etc., so as to reduce peeling phenomenon and reduce defects , the effect of increasing strength

Inactive Publication Date: 2021-07-09
JIANGXI FUHONG METAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, copper alloy wires on the market are prone to stress cracks and poor elasticity during thermal processing and welding, which affects the performance of copper alloy wires in the medical field.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of high-elastic tin-plated alloy wire for medical use, first melting the copper base material and alloy particles, adding reinforcing particles, the mass ratio of copper base material, alloy particles, and reinforcing particles is 36:11:0.3, under a pressure of 1.2Mpa Under electromagnetic stirring, and then cast into a copper alloy rod, then wire drawing, annealing, pickling, drying, tinning, to obtain a tinned alloy wire.

[0025] The alloy particles include Pt, and the preparation method is as follows: in 0.5mL concentration of 0.04mol / L containing H 2 PtCl 6 Add 0.032g KI to the DMF solution, stir, add 0.2gPVP and 0.1mL 40wt% methylamine aqueous solution after the solution is clear and bright yellow, heat up to 160°C and react for 13h, cool to obtain a brown-black colloidal solution, separate and dry to obtain velvet Spherical nanoscale Pt particles.

[0026] The reinforcement particles are worm-like carbon fibers; the preparation method of th...

Embodiment 2

[0030] A preparation method of highly elastic tin-plated alloy wire for medical use, first melt copper base material and alloy particles, add reinforcement particles, the mass ratio of copper base material, alloy particles, and reinforcement particles is 56:7:2, under 2Mpa pressure Electromagnetic stirring is carried out, and then cast into a copper alloy rod, followed by wire drawing, annealing treatment, pickling, drying, and tinning to obtain a tinned alloy wire.

[0031] The alloy particles include Pt, and the preparation method is: in 0.5mL concentration of 0.04mol / L H 2 PtCl 6 Add 0.032g KI to the DMF solution, stir, add 0.2g PVP and 0.1mL 40wt% methylamine aqueous solution after the solution is clear and bright yellow, heat up to 150°C and react for 11h, cool to obtain a brown-black colloidal solution, separate and dry to obtain velvet Spherical nanoscale Pt particles.

[0032] The reinforcement particles are worm-like carbon fibers; the preparation method of the rein...

Embodiment 3

[0036] A preparation method of highly elastic tin-plated alloy wire for medical use, first melt the copper base material and alloy particles, add reinforcement particles, the mass ratio of copper base material, alloy particles, and reinforcement particles is 78:14:0.9, under 3Mpa pressure Electromagnetic stirring is carried out, and then cast into a copper alloy rod, followed by wire drawing, annealing treatment, pickling, drying, and tinning to obtain a tinned alloy wire.

[0037] The alloy particles include Pt, and the preparation method is: in 0.5mL concentration of 0.04mol / L H 2 PtCl 6 Add 0.032g KI to the DMF solution, stir, add 0.2gPVP and 0.1mL40wt% methylamine aqueous solution after the solution is clear and bright yellow, heat up to 150-160°C and react for 10-13h, cool to obtain a brown-black colloidal solution, separate, After drying, fluffy nanoscale Pt particles are obtained.

[0038] The reinforcement particles are worm-like carbon fibers; the preparation method...

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PUM

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Abstract

The present invention discloses a medical high-elasticity tin-plated alloy wire and a preparation method thereof, and belongs to the field of tin-plated alloy wires. The preparation method specifically includes the steps: firstly, melting a copper base material and alloy particles, adding strengthened particles, performing electromagnetic stirring at the pressure of 1-3 Mpa, then, performing casting to form a copper alloy rod, and then, performing wire drawing, annealing treatment, acid pickling, drying and tin plating to prepare the tin-plated alloy wire. According to the present invention, electromagnetic stirring is adopted during melting, so that crystals in a copper alloy can be obviously refined; meanwhile, crystal grains are converted into rosa-shaped structures along with pressurization, so that nearly-spherical structures are increased; and finally, all the crystal grains are converted into granular crystals, the structures are more uniform and refined in the subsequent wire drawing process, so that the strength of the copper alloy rod is improved.

Description

technical field [0001] The invention relates to a tin-plated alloy wire, in particular to a highly elastic tin-plated alloy wire for medical use and a preparation method thereof. Background technique [0002] Tin-plated alloy wire has excellent electrical conductivity, thermal conductivity, ductility and corrosion resistance, and is widely used in medical electrical components. The copper alloy wire currently on the market is prone to stress cracks and has poor elasticity during thermal processing and welding, which affects the performance of the copper alloy wire in the medical field. Contents of the invention [0003] The purpose of the present invention is to at least solve one of the technical problems in the prior art, and provide a highly elastic tin-plated alloy wire for medical use and a preparation method thereof. [0004] Technical solution of the present invention is as follows: [0005] A preparation method of high-elastic tin-plated alloy wire for medical us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/04C22C47/08C22C49/02C22C49/14C22C101/10
CPCC22C47/04C22C47/08C22C49/02C22C49/14
Inventor 欧阳艳青
Owner JIANGXI FUHONG METAL CO LTD
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