Is copper clad aluminum wire good?
Introduction
The copper clad aluminum wire adopts advanced coating and welding manufacturing technology to concentrically wrap high-quality copper tape on the outer surface of core wires such as aluminum rods or steel wires, and form a strong interatomic metallurgy between the copper layer and the core wire.
The two different metal materials are combined into an inseparable whole, which can be drawn and annealed like a single metal wire. During the drawing process, the diameter of copper and aluminum are reduced in the same proportion, and the volume ratio of the copper layer remains relatively constant.
Because high-frequency signals have the characteristics of “skin effect”, copper-clad aluminum wires and copper-clad steel wires have the same conductivity as pure copper wires when transmitting high-frequency signals (greater than 5MHz).
Unique composite performance: Copper-clad aluminum wire has both the electrical conductivity of copper and the composite characteristics of low density of aluminum; while copper-clad steel wire combines the electrical conductivity of copper with the high strength of steel. Tin-plated copper-clad steel wire exerts the solderability and sulfidation resistance of tin; silver-plated copper-clad steel wire improves electrical conductivity, thermal conductivity, corrosion resistance and oxidation resistance. So it has a wide range of applications.
The structure of copper clad aluminum wire
Copper-clad aluminum is a bimetallic wire composed of an aluminum core wire and a copper layer tightly covering it. This allows the characteristics of two metal materials to be played on one wire, which makes the excellent conductivity of copper and the weight of aluminum The combination of light characteristics overcomes the shortcomings of aluminum wires and forms a copper-clad aluminum wire with good electrical conductivity, low density, softness, corrosion resistance, easy welding, and low price. So as to develop into a new metal conductive material.
Application
Inner conductor material of coaxial cable for cable TV subscriber line and near-house line
The conductor of the parallel dual-core telephone subscriber communication line;
Inner conductor material of computer office LAN, access network cable, and field cable
Connectors of various electronic components;
Overhead lines for power transmission and telephone lines;
Catenary overhead lines for electrified railways and rail transit lines
Textile shielding wire of power cable;
Power industry grounding
Conductor materials for connecting wires of medical equipment and equipment
Cable and connecting wire materials for aviation and spacecraft
High temperature electronic wire conductor material
Core wire of high temperature radio frequency cable
High frequency signal transmission
The preferred inner conductor material for CATV coaxial cable
Inner conductor material of 50Ω radio frequency cable and flexible radio frequency coaxial cable
Leaky cable inner conductor material
Inner conductor materials of computer cables and other data cables
Inner conductor material of micro coaxial cable
Power transmission
Twisted wire
Power cable conductor material
Control cable inner conductor
Inner conductor of special cables for automobiles and locomotives
Construction cloth wire conductor material
Conductor materials such as busbars
fuse
RF shielding network