Preparation process for high-strength high-conductivity micro copper wire
A preparation process and high-conductivity technology, which is applied in the field of copper for electrical purposes, can solve the problems of low copper wire strength and reduced electrical conductivity, and achieve the effects of reducing harmful impurities and oxygen content, enhancing electrical conductivity, and increasing surface tension.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] The preparation process of a kind of high-strength and high-conductivity micro-fine copper wire proposed by the present invention comprises the following steps:
[0026] S1. Add electrolytic copper into the smelting furnace, raise the temperature to 1140°C, keep warm and melt completely to obtain copper liquid, and feed nitrogen gas into the copper liquid, the flow rate of nitrogen gas is 0.6m 3 / h, ventilation time is 15min, add compound refining agent simultaneously, described compound refining agent comprises: the calcium fluoride of 15wt%, the cryolite of 1wt%, the sodium fluosilicate of 10wt%, the calcium carbonate of 20wt%, balance It is sodium tetraborate, then heated up to 1220°C, stirred by electromagnetic for 10min, left to stand, and slag removed;
[0027] S2. Add alloying elements to the copper liquid obtained in S1, and detect the copper liquid after melting evenly, which includes by weight percentage: Ti 0.45%, Zr 0.35%, Te 0.07%, La 0.09%, Y 0.03%, Sn 0....
Embodiment 2
[0031] The preparation process of a kind of high-strength and high-conductivity micro-fine copper wire proposed by the present invention comprises the following steps:
[0032] S1. Add electrolytic copper into the smelting furnace, raise the temperature to 1160°C, keep warm and melt completely to obtain copper liquid, and pass argon gas into the copper liquid, the flow rate of argon gas is 0.2m 3 / h, the aeration time is 35min, and a compound refining agent is added at the same time, and the compound refining agent includes: 5wt% calcium fluoride, 5wt% cryolite, 2wt% sodium fluorosilicate, 35wt% calcium carbonate, 1wt% Titanium dioxide, 5wt% silicon dioxide, and sodium tetraborate as the balance, then heated up to 1200 ° C, electromagnetically stirred for 25 minutes, left to stand, and slag removed;
[0033] S2. Add alloying elements to the copper liquid obtained in S1, and detect the copper liquid after melting evenly, which includes by weight percentage: Ti 0.55%, Zr 0.25%, ...
Embodiment 3
[0037] The preparation process of a kind of high-strength and high-conductivity micro-fine copper wire proposed by the present invention comprises the following steps:
[0038] S1. Add electrolytic copper into the smelting furnace, raise the temperature to 1150°C, keep warm and melt completely to obtain molten copper, and inject nitrogen gas into the molten copper with a flow rate of 0.4m 3 / h, the aeration time is 25min, while adding a compound refining agent, the compound refining agent includes: 10wt% calcium fluoride, 3wt% cryolite, 6wt% sodium fluorosilicate, 28wt% calcium carbonate, 5wt% Titanium dioxide, 1wt% silicon dioxide, and sodium tetraborate as the balance, then heated up to 1210°C, electromagnetically stirred for 15 minutes, left to stand, and slag removed;
[0039] S2. Add alloying elements to the copper liquid obtained in S1, and detect the copper liquid after melting evenly, which includes by weight percentage: Ti 0.5%, Zr 0.3%, Te 0.08%, La 0.08%, Y 0.04%, S...
PUM
Property | Measurement | Unit |
---|---|---|
tensile strength | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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