Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of porous copper alloy and preparation method thereof

A technology of porous copper and copper alloys, which is applied in the field of metal materials and can solve problems such as the difficulty in preparing bulky porous materials

Active Publication Date: 2020-07-07
烟台杰科金属有限公司
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is difficult to prepare bulky porous materials

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of porous copper alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Preparation of Cu75Zn15Sn6Mg2GaAlLi copper alloy precursor: according to the chemical composition and mass percentage of the copper alloy precursor, Zn: 15%, Sn: 6%, Mg: 2%, Cu: 75%, and the balance 2% is gallium , aluminum and lithium elements, the raw materials are added to the crucible of the resistance furnace, after the alloy is completely melted, cast, and after cooling, the copper alloy precursor ingot is obtained;

[0033] (2) Cu75Zn15Sn6Mg5GaAlLi copper alloy precursor ingot, wire cut into 20×20×1mm small pieces, hung in the quartz furnace tube of vacuum heat treatment furnace, kept at 500°C for 8 hours in high vacuum, and the vacuum degree was kept within 10Pa to obtain three-dimensional porous Copper alloy, the pore size is 2-5μm, the porosity is 30%, the picture of porous copper alloy is as follows figure 1 shown.

Embodiment 2

[0035] (1) Preparation of Cu60Zn25Sn10Mg2Ga2AlLi copper alloy precursor: according to the chemical composition and mass percentage of the copper alloy precursor, Zn: 25%, Sn: 10%, Mg: 2%, Ga: 2%, Cu: 60%, and The amount of 1% is aluminum and lithium elements, the raw materials are added to the crucible of the resistance furnace, after the alloy is completely melted, cast, and after cooling, the copper alloy precursor ingot is obtained;

[0036] (2) Cu60Zn25Sn10Mg2Ga2AlLi copper alloy precursor ingot, wire-cut 10×10×0.5mm small pieces, hung in a small vacuum heat treatment furnace in the laboratory, kept at 450°C for 2 hours under high vacuum, and the vacuum degree was kept within 10Pa to obtain a three-dimensional Porous copper alloy with a pore diameter of 2-10 μm and a porosity of 40%.

Embodiment 3

[0038] (1) Preparation of Cu39Zn40Sn6Ga6Al4Mg4Li copper alloy precursor: according to the chemical composition and mass percentage of the copper alloy precursor, Zn: 40%, Sn: 6%, Ga: 6%, Mg: 4%, Al: 4%, Cu : 39%, the balance 1% is lithium element, the raw material is added in the crucible of the induction furnace, after the alloy is completely melted, cast, and the copper alloy precursor ingot is obtained after cooling;

[0039] (2) Cu39Zn20Sn6Ga6Al4Mg4Li copper alloy precursor, wire-cut into 20×20×0.5mm thick slices, sanded to 0.3mm thick, hung in a small laboratory vacuum heat treatment furnace, first heat treatment at 400°C for 1 hour, and then 2 The temperature is raised to 600°C within one hour, the temperature is kept at 600°C for one hour, and the high vacuum is maintained, and the vacuum degree is kept within 10Pa to obtain a three-dimensional porous copper alloy with a pore size of 2-10μm and a porosity of 50%.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
pore sizeaaaaaaaaaa
pore sizeaaaaaaaaaa
pore sizeaaaaaaaaaa
Login to View More

Abstract

The invention discloses a porous copper alloy and a preparing method thereof. The porous copper alloy comprises, by mass percent, not larger than 10% of Zn, 2 to 15% of Sn, 0.5 to 15% of Ga, not larger than 5% of Mg, not larger than 5% of Al, not larger than 5% of Li and the balance Cu and inevitable impurities. The preparing method comprises the steps that firstly, alloy raw materials are molten,casted and cooled to obtain a copper alloy precursor ingot casting; secondly, the copper alloy precursor ingot casting is cut and polished, and a copper alloy precursor sample is obtained; thirdly, the copper alloy precursor sample is subjected to vacuum heat treatment, the temperature ranges from 400 to 600 DEG C, in the continuous vacuum environment, heat preservation or varying temperature treatment is carried out, and the porous copper alloy is obtained. The process method is simple, the alloy is suitable for scale production, the porosity of the alloy is adjustable, and the alloy can beapplied to fields of battery current collectors, separation, filtering, catalyzing, noise reduction, vibration absorption, shielding, heat exchange and the like.

Description

technical field [0001] The invention belongs to the field of metal materials, and in particular relates to a porous copper alloy and a preparation method thereof. Background technique [0002] Porous materials have excellent physical and chemical properties and mechanical properties, such as high temperature resistance, high pressure resistance, corrosion resistance, thermal shock resistance, weldability, high electrical and thermal conductivity, etc., which are used in medical drug-loaded implant devices, smart materials, solid oxide fuels Batteries, supercapacitors, filters, heat and cold exchangers and other fields have received more and more attention and research, and have extensive applications in many fields such as aviation, aerospace, chemical industry, building materials, metallurgy, atomic energy, petrochemical, machinery, medicine and environmental protection. Application prospects. [0003] Since humans began to prepare porous metal materials by powder metallur...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/04C22C1/08C22F1/08C22F1/02
CPCC22C1/08C22C9/04C22F1/02C22F1/08
Inventor 任伊宾段占强
Owner 烟台杰科金属有限公司