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A copper-silver-zinc alloy with micro-nano hole structure and its preparation method and application

A zinc alloy and hole technology, which is applied in the field of copper-silver-zinc alloy and its preparation, can solve the problems of single antibacterial, difficult to recycle, easy to reunite, etc., and achieve the effect of high antibacterial and antibacterial effect improvement

Active Publication Date: 2018-08-17
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is that the preparation process of the powder antibacterial agent in the current technology is cumbersome, and it is easy to agglomerate during use, and it is not easy to recycle after use, causing secondary pollution and other problems. Structural copper-silver-zinc alloy and its preparation method and application
The self-hierarchical porous structure of the material obtained by the present invention makes it have rich porosity, greatly increases the specific surface area of ​​the material, makes the antibacterial active ingredient be efficiently distributed, improves the utilization rate of the antibacterial active ingredient, and is easy to recycle after being used as an antibacterial agent, and can Recycling and reuse solves the shortcomings of the prior art such as complex preparation process of silver-based single antibacterial agent, single antibacterial agent, and insufficient utilization of antibacterial active metals

Method used

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  • A copper-silver-zinc alloy with micro-nano hole structure and its preparation method and application
  • A copper-silver-zinc alloy with micro-nano hole structure and its preparation method and application
  • A copper-silver-zinc alloy with micro-nano hole structure and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Select alloy composition Cu 45 Zr 40 Ag 10 Zn 5 , according to the atomic percentage of each element in the target alloy: Cu is 45at.%, Zr is 40at.%, Ag is 10at.%, Zn is 5at.%, and the high-purity copper sheet (7.226g that weighs mass fraction is 99.99%) ), zirconium grain (9.221g), silver grain (2.727g) and zinc grain (0.826g) obtain master alloy raw material 20g; Master alloy raw material is placed in vacuum arc melting furnace (put into 99.9wt% pure titanium before smelting granules as the oxygen-scavenging material), under the protection of high-purity argon with a purity of 99.99%, repeated melting 4 times (to ensure the uniformity of the alloy), each time about 40s. Cool down to room temperature with the furnace to get Cu 45 Zr 40 Ag 10 Zn 5 alloy ingot.

[0044] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, conduct inducti...

Embodiment 2

[0054] Select alloy composition Cu 40 Zr 35 Ag 20 Zn 5 , according to the atomic percentages of each element in the target alloy: Cu is 40at.%, Zr is 35at.%, Ag is 20at.%, Zn is 5at.%, and the mass fraction is 99.99% high-purity copper sheet (6.185g ), zirconium grain (7.769g), silver grain (5.250g) and zinc grain (0.796g) obtain master alloy raw material 20g; Master alloy raw material is placed in vacuum arc melting furnace (put into 99.9wt% pure titanium before smelting granules as the oxygen-scavenging material), under the protection of high-purity argon with a purity of 99.99%, repeated melting 4 times (to ensure the uniformity of the alloy), each time about 40s. Cool down to room temperature with the furnace to get Cu 40 Zr 35 Ag 20 Zn 5 alloy ingot.

[0055] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, conduct induction melting u...

Embodiment 3

[0061] Select alloy composition Cu 35 Zr 30 Ag 30 Zn 5 , according to the atomic percentages of each element in the target alloy: Cu is 35at.%, Zr is 30at.%, Ag is 30at.%, Zn is 5at.%, and the mass fraction is 99.99% high-purity copper sheet (5.219g ), zirconium grains (6.421g), silver grains (7.593g) and zinc grains (0.767g) to obtain 20g of the master alloy raw material; the master alloy raw material is placed in a vacuum arc melting furnace (99.9wt.% pure Titanium particles are used as oxygen-scavenging materials), and they are repeatedly smelted 4 times under the protection of high-purity argon gas with a purity of 99.99% (to ensure the uniformity of the alloy), each time for about 40s. Cool down to room temperature with the furnace to get Cu 35 Zr 30 Ag 30 Zn 5 alloy ingot.

[0062] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, con...

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Abstract

The invention relates to a copper-silver-zinc alloy with a micro-nano hole structure and a preparation method and application thereof. The composition of the alloy is CuxZryAgzZn5, wherein the atomic percentage of elements in the alloy is Cu:Zr:Ag:Zn=x:y:z:5, 35≤x≤45, 30≤y≤40, 10≤z≤30, and x+y+z=95; the alloy is a rod with a diameter of Ф0.9~2.9mm, the inner part is an amorphous core, and the outer layer is a porous layer with a thickness of 80~150μm. The porous layer has both micropore and nanopore structures , the aperture size of the nanopore is 20-150 nm, and the aperture size of the triangular micro-pore is 2-5 μm. The copper-silver-zinc alloy with a micro-nano hole structure obtained by the present invention still retains an inner amorphous core, and the outer layer is a porous layer with a certain thickness. The support of the inner amorphous core makes the prepared antibacterial agent also have excellent mechanical properties.

Description

Technical field: [0001] The invention belongs to the technical field of preparation of nanoporous materials and antibacterial agents, and in particular relates to a copper-silver-zinc alloy with a micro-nano hole structure and a preparation method and application thereof. Background technique: [0002] There are various bacteria and molds in the human living environment, which always threaten people's safety and health. Therefore, people's demand for antibacterial materials is increasing day by day. Antibacterial agents are a class of materials with bactericidal or bacteriostatic effects, which are divided into three categories: inorganic antibacterial agents, organic antibacterial agents and natural antibacterial agents. Although the organic antibacterial agent has better antibacterial effect, it has poor heat resistance, is easy to decompose, and has a short service life. Generally, it can only be used for one-time sterilization; the main component of natural antibacterial...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/00C22C45/10C23F1/16C25F3/02A01N59/20A01P1/00A01P3/00
CPCA01N59/20C22C45/001C22C45/003C22C45/10C23F1/16C25F3/02C22C1/11
Inventor 秦春玲王晗张萌萌李曼王志峰祝江赛赵维民
Owner HEBEI UNIV OF TECH
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