The causes of oxidation of copper wire and cable and measures to solve it
Oxidation of copper wire is a common problem, which can lead to a deterioration in the performance of the wire and cable and even cause unpredictable failures, so we need to have a deeper understanding of the causes of oxidation of copper wire in wire and cable.
1. The effect of oxygen and moisture
Copper wires and cables are susceptible to oxygen and moisture in the air, which can lead to oxidation reactions. Both oxygen and moisture can cause an oxide layer on the surface of the copper wire. This oxide layer is the surface oxide of copper and if not treated in time it will gradually thicken over time, eventually leading to oxidation and loss of copper.
2. Influence of temperature
Too high or too low a temperature can also lead to oxidation of the copper wire. High temperatures will accelerate the oxidation reaction and thicken the oxide layer, while low temperatures will make the oxide layer brittle and easy to peel off.
3. The impact of chemical substances
Chemical substances can also have an oxidising effect on the copper wire and cable, such as hydrogen sulphide, nitrogen dioxide, acid mist, etc.. These chemicals can cause the surface of the copper wire to produce a yellow or black oxide layer, affecting the electrical conductivity of the copper wire. In addition, some grease and impurities may be present on the surface of the copper wire, which can also affect the oxidation of the wire.
In order to prevent the oxidation of copper wire and cable, we can take the following measures:
1. Choose high-quality wire and cable, and pay attention to the selection of good quality and pure materials when buying wire and cable.
2. For the use of wire and cable in a humid environment, you can add moisture-proof material processing.
3. The environment for the use of wire and cable should be kept clean and hygienic to avoid chemical substances and rubbish affecting the wire and cable.
4. Check the condition of the wire and cable regularly. If oxidation is found on the surface of the copper wire, it should be professionally assessed and treated appropriately in time and replaced if necessary.
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