Copper alloy material and preparation method thereof

A copper alloy and alloy technology, applied in the field of copper alloy materials and its preparation, can solve the problems of discontinuous grain boundaries, lower alloy strength, wear resistance and corrosion resistance, etc.

Active Publication Date: 2022-03-04
GRIMAT ENG INST CO LTD
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, copper alloys are mainly made of copper-nickel-tin materials, which have the advantages of high strength, high elasticity, high resistance to stress rel

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
  • Copper alloy material and preparation method thereof
  • Copper alloy material and preparation method thereof
  • Copper alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0036] The present invention also provides a preparation method for the copper alloy material described in the above technical solution, comprising the following steps:

[0037] (1) smelting and casting the copper alloy raw material successively to obtain alloy ingots;

[0038] (2) heating and homogenizing and hot-extruding the alloy ingot obtained in the step (1) successively to obtain a hot-extruded state alloy;

[0039] (3) performing solid solution treatment on the hot extruded alloy obtained in the step (2) to obtain a solid solution alloy;

[0040] (4) performing a cold drawing and an aging treatment on the solid solution alloy obtained in the step (3) successively to obtain an aged alloy;

[0041] (5) The aged alloy obtained in the step (4) is subjected to secondary cold drawing and secondary aging treatment in sequence to obtain a copper alloy material.

[0042] In the invention, copper alloy raw materials are smelted and cast in sequence to obtain alloy ingots.

[...

Embodiment 1

[0070] The chemical composition of the copper alloy material is calculated by mass percentage: P 0.05%, Fe 0.5%, Ni 8%, Sn 7%, Al 0.5% and the balance of Cu;

[0071] The preparation method of described copper alloy material comprises the following steps:

[0072] (1) Add electrolytic copper, electrolytic nickel, pure tin, and pure aluminum into the vacuum induction furnace. After the above materials are melted, add copper-iron master alloy and copper-phosphorus master alloy, and raise the temperature to 1400°C for smelting. After the body is completely melted, the temperature is lowered to 1300°C for casting to obtain alloy ingots;

[0073] (2) Place the alloy ingot obtained in the step (1) in a 950°C box furnace for heating and homogenization for 8 hours, then perform hot extrusion, and obtain a hot extruded alloy rod after water cooling; wherein, the hot extrusion The extrusion ratio of pressing is 30;

[0074] (3) Perform solution treatment on the hot extruded alloy rod ...

Embodiment 2

[0078] The chemical composition of the copper alloy material is calculated by mass percentage: P 0.3%, Fe 0.05%, Ni 9%, Sn 6%, Al 1.0% and the balance of Cu;

[0079] The preparation method of described copper alloy material comprises the following steps:

[0080] (1) Add electrolytic copper, electrolytic nickel, pure tin, and pure aluminum to the vacuum induction furnace. After the above materials are melted, add copper-iron master alloy and copper-phosphorus master alloy, and raise the temperature to 1350°C for smelting. After the body is completely melted, the temperature is lowered to 1250°C for casting to obtain alloy ingots;

[0081] (2) Place the alloy ingot obtained in the step (1) in a box furnace at 850°C for heating and homogenization for 12 hours, then perform hot extrusion, and obtain a hot extruded alloy rod after water cooling; wherein, the hot extrusion The extrusion ratio of the pressure is 10;

[0082] (3) Perform solution treatment on the hot extruded allo...

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 provides a copper alloy material and a preparation method thereof, and belongs to the technical field of non-ferrous metals. The invention provides a copper alloy material. The copper alloy material comprises the following chemical components in percentage by mass: 8-21% of Ni, 5-10% of Sn, 0.5-2.0% of Al, 0.05-1.6% of trace elements and the balance of Cu, the trace element is at least one of P, Fe, Co and Si. The components are optimized and improved on the basis of the copper-nickel-tin alloy, and by adding Al and at least one element of P, Fe, Co and Si, the vacancy concentration of the solute element Sn at the grain boundary and the concentration of the Sn element are changed, the precipitation power of a discontinuous precipitated phase is reduced, precipitation of the discontinuous precipitated phase is inhibited, and the strength, corrosion resistance and wear resistance of the alloy are improved.

Description

technical field [0001] The invention relates to the technical field of nonferrous metals, in particular to a copper alloy material and a preparation method thereof. Background technique [0002] With the rapid development of national key projects such as electronic information, 5G communications, exploration well oil fields, and ocean engineering, the demand for ultra-high-strength copper alloys is increasing. At the same time, more stringent requirements are put forward for the performance of ultra-high-strength copper alloys. For example, the alloys are required to have high strength, high wear resistance and corrosion resistance under high temperature conditions. [0003] At present, copper alloys are mainly made of copper-nickel-tin materials, which have the advantages of high strength, high elasticity, high resistance to stress relaxation, and high temperature softening resistance. The grain boundary discontinuous phase is produced, which reduces the strength, wear res...

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): C22C9/06C22C9/02C22F1/08
CPCC22C9/06C22C9/02C22F1/08
Inventor 彭丽军解浩峰黄国杰米绪军张习敏
Owner GRIMAT ENG INST CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap