Abstract
In the current study an attempt has been made to synthesize copper nano particles via machined copper chips by a precision processing approach specifically mechanical alloying (MA). Copper nano particles were produced from waste copper chips by subjecting them to high energy ball milling (HEBM) process. Standard characterization techniques like x-ray diffraction (XRD) and scanning electron microscopy (SEM) were implemented to determine the crystallite size (D). After 75 h of high energy ball milling, structure of the copper nano particles was studied scanning electron microscope. The synthesized copper nano particles were hollow, sphere-shaped, fine crystallized particles. The average size of the crystallites was 46 nm. The copper nano particles were synthesized and characterized. This particular proposed technique is cost efficient and environment friendly. The transmission electron microscope (TEM) image reveals that the structure of copper nano powder is space based in black pale and white cloud. The XRD results are compared with the SEM and TEM results and we find a good correlation among these results.
Published Version
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