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Chemical and Material Engineering
Engineering and Construction
Pages 4 (1004 words)
Name: Instructor Task Date Chemical and Material Engineering 1. Cold Rolling Of Bulk Nanocrystalline Copper The nanocrystalline (nc) materials have unique characteristics that make it an attractive subject of research. These properties are essential in numerous industrial applications.
The process of analyzing the mechanical qualities of nc by researchers is gradual since this process is experiencing various obstacles. Manufacture of the nc materials is one of the Chief impediments of the experimental evaluations of its properties. The preparation of nc involves factors, for example, porosity, contamination and residual stress, which significantly influence its mechanical capabilities (Lu, Lu & Sui, 4127). Indeed, a valid evaluation of the mechanical qualities of the nc requires a sample that is deficient of the contamination and residual stress. Such a sample will have to be large to ensure several tests are done on it. A significant quantity of nc pure copper was synthesized through an electrodeposition technique. Copper (Cu) metal has unique characteristics that make it suitable for in manufacturing the nc sample. Cu has an extensibility quality when undergoing cold rolling at average room temperature (Lu, Lu & Sui, 4127). The deformation feature of Cu has been researched at length through high-resolution electron microscopy (HRTEM). Experimental Procedures According to (Lu, Lu & Sui, 4128), the manufacture of nc copper entails the electrodeposition process through an electrolyte of CuSO4. This is a chemical procedure where the substrate of Cu is deposited on the cathode, which has a capacity of 99.99wt%. ...
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