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High-strength electric-conduction elastic Cu-Ti-Ni-Y alloy and preparation method thereof

A cu-ti-ni-y, high-strength technology, applied in the field of metal materials, can solve the problems of poor conductivity of Cu-Ti alloys, etc., and achieve the effect of improving the conductivity of the alloy, increasing the hardness of the alloy, and refining the crystal grains

Active Publication Date: 2018-09-28
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a Cu-Ti-Ni-Y alloy with simple production process, low cost, environmental protection, high strength, good electrical conductivity and elasticity and its preparation method, which solves the problem of Cu-Ti alloy in the prior art. The problem of poor electrical conductivity of the alloy

Method used

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  • High-strength electric-conduction elastic Cu-Ti-Ni-Y alloy and preparation method thereof
  • High-strength electric-conduction elastic Cu-Ti-Ni-Y alloy and preparation method thereof
  • High-strength electric-conduction elastic Cu-Ti-Ni-Y alloy and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Step 1, weigh the following materials: 9.255 kg of copper block with a purity of not less than 99.9%, 0.015 kg of yttrium block with a purity of not less than 99.9%, 0.35 kg of titanium sponge with a purity of not less than 99.9%, and 0.38 kg of a nickel block with a purity of not less than 99.9%. kg;

[0028] Step 2, put the copper block, titanium sponge, nickel block and yttrium block into a magnesia crucible, and melt in a vacuum induction melting furnace with a vacuum degree of not less than 10 -3 Pa, put into water-cooled copper crucible pouring after smelting is finished, obtain alloy ingot;

[0029] Step 3, put the alloy ingot into an open-type vacuum-atmosphere tube furnace, pass in protective gas argon, and carry out solution treatment. The solution treatment temperature is 780-980° C. Carry out water quenching treatment, the temperature of the water quenching water is 20-30°C, and obtain the alloy ingot after solid solution treatment;

[0030] Step 4, put th...

Embodiment 2

[0032] Step 1, weigh the following materials: 9.549 kg of copper block with a purity of not less than 99.9%, 0.001 kg of yttrium block with a purity of not less than 99.9%, 0.2 kg of titanium sponge with a purity of not less than 99.9%, and 0.25 kg of a nickel block with a purity of not less than 99.9%. kg;

[0033] Step 2, put the copper block, titanium sponge, nickel block and yttrium block into a magnesia crucible, and melt in a vacuum induction melting furnace with a vacuum degree of not less than 10 -3 Pa, put into water-cooled copper crucible pouring after smelting is finished, obtain alloy ingot;

[0034] Step 3, put the alloy ingot into an open-type vacuum-atmosphere tube furnace, pass in protective gas argon, and carry out solution treatment. The solution treatment temperature is 780-980° C. Carry out water quenching treatment, the temperature of the water quenching water is 20-30°C, and obtain the alloy ingot after solid solution treatment;

[0035] Step 4, put the...

Embodiment 3

[0037] Step 1, weigh the following materials: 9.3 kg of copper block with a purity of not less than 99.9%, 0.1 kg of yttrium block with a purity of not less than 99.9%, 0.3 kg of titanium sponge with a purity of not less than 99.9%, and 0.3 kg of a nickel block with a purity of not less than 99.9%. kg;

[0038] Step 2, put the copper block, titanium sponge, nickel block and yttrium block into a magnesia crucible, and melt in a vacuum induction melting furnace with a vacuum degree of not less than 10 -3 Pa, put into water-cooled copper crucible pouring after smelting is finished, obtain alloy ingot;

[0039] Step 3, put the alloy ingot into an open-type vacuum-atmosphere tube furnace, pass through the protective gas argon, and carry out heat preservation treatment. The heat preservation temperature is 780-980 ° C, heat preservation for 3-6 hours, and then quenching treatment, the temperature of the quenching water is 20-30°C, and an alloy ingot after solid solution treatment i...

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Abstract

The invention discloses high-strength electric-conduction elastic Cu-Ti-Ni-Y alloy. The alloy is composed of the following components including, by mass, 92.55-95.5% of Cu, 0.01-0.15% of Y, 2.0-3.5% of Ti and 2.5-3.8% of Ni, wherein the sum of the mass percentages of the components is 100%. The invention further discloses a preparation method of the high-strength electric-conduction elastic Cu-Ti-Ni-Y alloy. The method comprises the following specific operating steps that copper blocks, titanium sponges, nickel blocks and yttrium blocks are subjected to smelting; solution treatment is performed; and aging treatment is performed. Compared with existing high-strength electric-conduction elastic copper alloy preparation, the preparation method disclosed by the invention is easy and feasible,and the obtained Cu-Ti-Ni-Y alloy is excellent in comprehensive performance. The hardness, the electric conductivity and the electric modulus of the alloy are 260-280 HV, 25-30% IACS and 140-160 GPa correspondingly.

Description

technical field [0001] The invention belongs to the technical field of metal materials, specifically relates to a high-strength conductive elastic Cu-Ti-Ni-Y alloy, and also relates to a preparation method of a high-strength conductive elastic Cu-Ti-Ni-Y alloy. Background technique [0002] High-strength conductive elastic copper-based alloy is an indispensable material in the manufacture of precision instruments and precision machinery, and is widely used in automobiles, mobile phones, electronics, electric power and other fields. With the development of electronic products in the direction of miniaturization, multi-function, high reliability, environmental protection and long life, higher performance requirements are also put forward for conductive elastic copper alloys. With good processing performance, high yield strength, reliable elastic properties and high elastic limit, etc., high-strength conductive elastic copper alloy is widely used in the manufacture of electrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/06C22C9/00C22C1/02C22F1/08C22F1/02
CPCC22C1/02C22C9/00C22C9/06C22F1/02C22F1/08
Inventor 王献辉刘佳罗赛燕任维佳
Owner XIAN UNIV OF TECH
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