Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High-strength high-conduction strengthened dispersion copper alloy and preparation method thereof

A technology for dispersion strengthening of copper and copper alloys, applied in metal rolling, metal rolling, metal processing equipment, etc., can solve the problems of uniform and stable suspension of particles in the composite electrodeposition method that is difficult to control, and the size limit of composite material products, etc., to achieve Excellent anti-high temperature softening ability, shorten production cycle, high anti-softening temperature effect

Inactive Publication Date: 2008-02-13
LUOYANG INST OF SCI & TECH
View PDF6 Cites 30 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these new technologies still have certain limitations in application, for example, the uniform and stable suspension of composite electrodeposition particles in the plating solution is not easy to control, and the Al in the product 2 o 3 Content and composite product size are limited

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
  • High-strength high-conduction strengthened dispersion copper alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In this embodiment, 0.14wt% Al is added to the Cu-copper alloy base material.

[0030] The process for preparing the above-mentioned copper alloy material includes:

[0031] ①Smelting of alloys ②Hot rolling or cold rolling (or wire cutting) of alloys to prepare sheets ③Internal oxidation of alloy sheets ④Lamination of internally oxidized sheets with hot pressing ⑤Alloy processing.

[0032] Among them: the melting of the alloy is carried out in an intermediate frequency induction furnace in an atmospheric environment, and the Cu-Al alloy is made of high-purity cathode copper (Cu≥99.90wt%) and electrolytic aluminum (Al≥99.90wt%) as raw materials. It is Φ80mm×150mm.

[0033] Hot rolling or cold rolling (or wire cutting) of the alloy to prepare thin plates is to remove the defects on the surface and ends of the ingot, forge it into a billet with a rectangular cross-sectional size of 15mm×100mm (forging temperature is 800°C), and then heat it at 900°C×10h Heating under the...

Embodiment 2

[0039] In this embodiment, the addition content of Cu copper alloy base material is 0.30wt%.

[0040] The process for preparing the above-mentioned copper alloy material includes:

[0041] ①Smelting of alloys ②Hot rolling or cold rolling (or wire cutting) of alloys to prepare sheets ③Internal oxidation of alloy sheets ④Lamination of internally oxidized sheets and hot extrusion ⑤Alloy processing.

[0042] Among them: alloy smelting means that the alloy is smelted in an intermediate frequency induction furnace in a traditional atmospheric environment, and the Cu-Al alloy is smelted by using high-purity cathode copper (Cu≥99.90wt%) and electrolytic aluminum (Al≥99.90wt%) as raw materials Pouring, ingot size is Φ80mm×150mm. The Al content is 0.30 wt%.

[0043] Wherein: the smelting of alloy is with embodiment 1.

[0044] The hot rolling or cold rolling (or wire cutting) of the alloy to prepare the thin plate is to remove the defects on the surface and both ends of the ingot, an...

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

No PUM Login to View More

Abstract

The invention discloses a high strength and high conductivity dispersion strengthened copper alloy. 0.10 to 0.30wtpercent Al is added into an alloy-based material. The technology of the invention cosists of (1)Melting of alloy; (2) Hot rolling or cold rolling (wire cutting)of alloy for preparing thin sheets; (3)Internal oxidation of alloy sheet; (4)Heat pressing and hot extrusion of alloy sheet with internal oxidation; (5)Processing of alloy. Wherein, the thickness of the alloy thin sheet is 0.3 to 2.0mm; and the method for internal oxidation is embedding with the standard of (850DEG C -950DEG C) * (3-15) h; and the temperature of heat pressing and hot extrusion is 900DEG C-950DEG C. The invention adopts a Cu-Al alloy internal oxidation thin sheet, and the micro-hardness and the conductivity of the alloy with the process of heat pressing reaches 120 HV and 78percent IACS respectively; and the tensile strength reaches 260MPa. The micro-hardness and the conductivity of the alloy with the process of hot extrusion reach 135 HV and 85percent IACS respectively; and the tensile strength reaches 450MPa. The softening temperature of the alloy reaches above 900DEG C.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, in particular to the preparation technology of dispersed copper for preparing resistance welding electrode materials, and mainly relates to a high-strength and high-conductivity dispersion-strengthened copper alloy and a preparation method thereof. Background technique [0002] al 2 o 3 Dispersion strengthened copper is a new type of structural functional material with excellent comprehensive physical and mechanical properties. It has broad application prospects in the fields of modern electronic technology and electrical engineering. With the development of the electronic industry, it has become one of the research hotspots of copper alloy materials. . Dispersion-strengthened copper-based composite materials are mainly used in the following aspects: (1) instead of silver-based contact materials; (2) as conductive elastic materials and IC lead frames; (3) for military high-power microwa...

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
IPC IPC(8): C22C9/01C22C1/02B21B3/00B21B37/00
Inventor 张旦闻赵冬梅任凤章孙鹃赵秀婷张晓楠
Owner LUOYANG INST OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com