Copper gets used commercially in most electrical products as superfine wire or circuits. If the circuits and wires are maintained during use and they have no flaws than they are perfect for recycling as scrap metal. Circuit board recycling is a common way to get high-quality copper This also means the surface of the copper is in excellent condition. Recycling copper for the best price and future repurposing is getting designated a grade `A` quality product.
Copper acquired from power cables is also a fine wire with high connectivity. The quality is slightly less high than for commercial electronics, but it has a reduced amount of impurities. This type of wire will have a minimum amount of impurities, but when heated and mixed with a higher grade copper the high-grade copper will be diluted. This makes the wire reusable.
To study effect of the different metal additive manufacturing techniques on microstructural evolution, phase constitution and the relationship between the microstructure and tensile behavior of pure Cu parts, components were manufactured by selective laser melting (SLM) technology and cold spraying (CS) technology, respectively.
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