Guidelines for copper rod selection and development trends
When selecting materials for actual projects, factors such as electrical and thermal conductivity, mechanical strength, corrosion resistance, processing performance and cost should be considered comprehensively. For high conductivity requirements, high-purity copper or oxygen-free copper should be preferred; aluminum bronze or beryllium copper should be considered for high-strength occasions; aluminum bronze should be selected for special environments such as seawater environments, chromium zirconium copper should be selected for high-temperature environments, and oxygen-free copper should be selected for vacuum environments. Processing requirements should not be ignored. Leaded brass can be selected when excellent cutting performance is required, while phosphorus-deoxidized copper should be considered for welding requirements.
The development of copper rod materials in the future will show the following trends: First, high performance, developing new copper alloys with high conductivity (>90%IACS) and high strength (>600MPa); second, environmental protection, reducing the use of toxic elements and developing environmentally friendly alloys; third, nano-technology, improving the performance limit of traditional copper alloys; fourth, intelligence, developing copper-based materials with shape memory, self-healing and other characteristics. These innovations will continue to expand the application scope of copper rods in the industrial field and meet the growing performance requirements.
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