High-strength and high-conductivity refining agent for smelting chromium-zirconium-copper alloy and application method for refining agent

A technology of zirconium-copper alloy and high chromium conductivity, which is applied in the field of chromium-zirconium-copper alloy smelting, can solve the problems of copper substrate pollution, single function, and unsatisfactory deoxidation effect, so as to reduce oxygen content and impurity content, improve strength and conductivity Performance, the effect of good deoxidizing ability

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the refining agent used in the non-vacuum melting and casting of chromium-zirconium copper alloy is often too single-function, the effect of oxygen removal is not ideal, and the copper matrix is ​​polluted

Method used

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Embodiment 1

[0021] A refining agent for smelting high-strength and high-conductivity chromium-zirconium-copper alloys, including covering components and purification components; wherein, the purification components include: calcium hexaboride, potassium fluotitanate, potassium fluoborate, sodium chloride, chloride Aluminum, La, Ce; covering components include: fish scale graphite, borax and light calcium carbonate; the weight ratio of covering components and purification components is 40:60.

Embodiment 2

[0023] A refining agent for smelting high-strength and high-conductivity chromium-zirconium-copper alloys, including a covering component and a purification component; wherein, the purification component includes, by weight, 25 parts of calcium hexaboride, 15 parts of lithium fluorotitanate, and sodium fluoroborate 10 parts, 6 parts magnesium chloride, potassium chloride 2 parts, Y2 parts, Nd1 part; covering components include: fish scale graphite, borax and light calcium carbonate; the weight ratio of covering components and purification components is 80:20.

Embodiment 3

[0025] A refining agent for smelting high-strength and high-conductivity chromium-zirconium-copper alloys, including a covering component and a purification component; wherein, the purification component includes, by weight, 30 parts of calcium hexaboride, 10 parts of lithium fluorotitanate, and sodium fluoroborate 15 parts, 2 parts of sodium chloride, 3 parts of magnesium chloride, 3 parts of La, 2 parts of Y; the covering component includes: fish scale graphite, borax and light calcium carbonate; the weight ratio of covering component and purification component is 60: 40.

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Abstract

The invention discloses a high-strength and high-conductivity refining agent for smelting a chromium-zirconium-copper alloy. The refining agent comprises a covering component and a purifying component, wherein the purifying component comprises calcium hexaboride, fluorotitanate, fluoborate, chlorine metal salt and rare earth. The invention further discloses an application method for the high-strength and high-conductivity refining agent for smelting the chromium-zirconium-copper alloy. According to the refining agent and the application method thereof, the cooperation function of the covering component and the purifying component is adopted so that the good impurity removal and purification effect on chromium-zirconium-copper alloy melt can be achieved, in addition, the oxidation burning loss in the smelting process can be effectively avoided, and therefore the strength and the conductivity of the material can be improved, and no pollution can be caused to the copper alloy melt.

Description

technical field [0001] The invention relates to the technical field of chromium-zirconium-copper alloy smelting, in particular to a refining agent for smelting a high-strength and high-conductivity chromium-zirconium-copper alloy and a use method thereof. Background technique [0002] Microalloyed copper alloys are widely used in wire and cable, IC lead frame materials, electrified railway contact wires, and other fields that require alloys for electrical and thermal conductivity due to their excellent mechanical, electrical and thermal conductivity, corrosion resistance, and fatigue resistance. Applications. Among them, the CuCrZr alloy is an ideal high-strength and high-conductivity copper alloy material due to the strong precipitation strengthening effect of Cr and Zr, and its strength and conductivity can well meet the actual use requirements. Not only that, but its anti-softening temperature can reach 500°C. At present, the melting and casting environment of CuCrZr all...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/06C22C9/00
CPCC22C1/06C22C9/00
Inventor 潘加明
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