High-strength and high-elasticity conductive copper-titanium alloy bar and preparation method thereof

A copper-titanium alloy and high-elasticity technology is applied in the field of copper alloy materials and preparation processes, which can solve the problem of no increase in the electrical conductivity of the finished product, and achieve the effects of improved electrical conductivity of the finished product, excellent strength, and a simple and reasonable preparation process.

Active Publication Date: 2021-08-17
JINTIAN COPPER GROUP CORP NINGBO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above two patents have improved the hardness or strength of the finished product, the conductivity of the finished product has not increased

Method used

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  • High-strength and high-elasticity conductive copper-titanium alloy bar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A high-strength and high-elastic conductive copper-titanium alloy rod, which is composed of the following substances according to the proportion of chemical composition and mass percentage, Ti: 2.0%, Ni: 2.5%, Al: 1.0%, Si: 0.4%, Cr: 0.3 %, Zr: 0.1%, B: 0.01%, Mg: 0.1%, P: 0.01%, the balance is Cu and impurities whose total amount is not more than 0.3%.

[0025] Wherein Ti is added in the form of copper-titanium alloy, copper-titanium alloy is a commercially available copper-titanium alloy, the Ti content is 50% to 70%, and the addition amount is 4% of the total amount of raw materials; P is commercially available P-Cu alloy, and P- The P content in the Cu alloy is 10-15%, and the addition amount is 0.1% of the total amount of raw materials. The B is a commercially available Al-B master alloy. The B content in the Al-B master alloy is 3%-8%, and the addition amount is 0.3% of the total amount of raw materials.

[0026] Concrete preparation method comprises the followin...

Embodiment 2

[0036] A high-strength and high-elastic conductive copper-titanium alloy rod, which is composed of the following substances according to the proportion of chemical composition and mass percentage: Ti: 3.0%, Ni: 1.5%, Al: 0.6%, Si: 0.6%, Cr: 0.3 %, Zr: 0.1%, B: 0.05%, Mg: 0.1%, P: 0.01%, and the balance is Cu and impurities whose total amount is not more than 0.3%.

[0037] Wherein Ti is added in the form of copper-titanium alloy, Ti is 50%~70% in the copper-titanium alloy, and the addition amount is 6% of the total amount of raw materials; P adopts commercially available P-Cu alloy, and the P content in the P-Cu alloy is 10%. ~15%, the addition amount is 0.1% of the total amount of raw materials, and B is a commercially available Al-B master alloy, the content of B in the Al-B master alloy is 3% to 8%, and the addition amount is 0.15% of the total amount of raw materials.

[0038] The preparation method of the high-strength and high-elasticity conductive copper-titanium alloy ...

Embodiment 3

[0048] A high-strength and high-elastic conductive copper-titanium alloy rod, which is composed of the following substances according to the proportion of chemical composition and mass percentage, Ti: 3.3%, Ni: 0.7%, Al: 1.5%, Si: 0.5%, Cr: 0.2 %, Zr: 0.4%, B: 0.05%, Mg: 0.1%, P: 0.05%, the balance is Cu and impurities whose total amount is not more than 0.3%.

[0049] Wherein Ti is added in the form of copper-titanium alloy, and Ti in the copper-titanium alloy is 50% to 70%, and the addition amount is 7% of the total amount of raw materials; P adopts commercially available P-Cu alloy, and the P content in the P-Cu alloy 10% to 15%, and the addition amount is 0.1% of the total amount of raw materials. B adopts a commercially available Al-B master alloy, and the content of B in the Al-B master alloy is 3% to 8%, and the amount of addition is the total amount of raw materials. 0.17%.

[0050] The preparation method of the high-strength and high-elasticity conductive copper-tita...

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Abstract

A high-strength and high-elasticity conductive copper-titanium alloy rod and a preparation method thereof, the high-strength and high-elasticity conductive copper-titanium alloy rod is composed of the following chemical components: Ti: 1.0-6.0%, Ni: 0.1-3.0%, Al: 0.1- 2.0%, Si: 0.1-1.0%, Cr: 0.1-1.0%, Zr: 0.1-1.0%, B: 0.01-0.2%, Mg: 0.01-0.5%, P: 0.01-0.1%, and the balance is Cu and The total amount of impurities is not more than 0.3%, and the above percentages are mass percentages; the preparation method is produced by hot extrusion, and the steps include: batching, smelting, semi-continuous casting, extrusion, solid solution→cold drawing→solution-cold Pull → finished product → aging process. The invention has scientific formula, simple and reasonable preparation process, environment-friendly and safe preparation process, and low cost. The prepared high-strength and high-elastic copper-titanium alloy bar has excellent strength, elasticity and conductivity, and the strength is 980-1200 MPa, reaching QBe2. 0 performance requirements, while the conductivity of the finished product is greatly improved, which can replace some beryllium bronze elastic components.

Description

technical field [0001] The invention belongs to the technical field of copper alloy materials and preparation techniques, and relates to a high-strength and high-elasticity conductive copper-titanium alloy rod and a preparation method thereof. Background technique [0002] Elastic alloys are indispensable materials in precision instruments and precision machinery. The rapid development of electronic information, automobile and communication industries, as well as the military industry has led to an increasing amount of elastic conductive alloys mainly used in connectors, spring connectors, switches, contact pieces, etc. [0003] At present, the high-strength and high-elasticity conductive copper alloys widely used are mainly Cu-Be series (beryllium copper). Although beryllium bronze has high strength, elasticity, wear resistance and fatigue resistance, as well as good electrical conductivity, thermal conductivity, and non-magnetic However, the problems of components made of...

Claims

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Application Information

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IPC IPC(8): C22C9/06C22C9/00C22C1/03B22D11/051C22F1/08
CPCB22D11/051C22C1/03C22C9/00C22C9/06C22F1/08
Inventor 郑良玉欧阳好巢国辉曾力维
Owner JINTIAN COPPER GROUP CORP NINGBO
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