This paper studies the preparation of Copper powder from copper sulphate aqueous solution (CuSO4.5H2O), sulfuric acid (H2SO4) and copper chloride (CuCl2.2H2O) by using the process of electrodeposition. Process of Powder deposition has been investigated for copper powder; it is a fine layer on cathode electrode by using the value of different from time of deposition (15, 30, 45, and 60) min. it is noticed the weight of the powder rises with the rise of time of depostion.
Diffractions of X-ray (XRD) revealed high crystallinity and pure copper powder not contain impurity or oxides. Optical microscopes have revealed the particles of copper have dendritic shapes. The size of Particles analyzer measured the size of a particle which is about (4.645) μm.
Our research novel Ti-22Nb biomedical alloys made by powder metallurgy and analyze the effect of adding silicon at various weight ratios to the base alloy (0.4, 0.8, and 1.2 %at Si). In this work, the wear characteristics of Ti-Nb-Si alloys in dry conditions are examined, as well as the wear process. To measure the wear rate, a pin-on-disc wear testing apparatus was employed. The optical microstructure analysis showed that the microstructure had a mixture-like appearance and included only a small quantity of another phase. XRD results showed that the stability of the β phase increased with silicon concentration. The (Ti-22Nb) alloy's hardness and compressive strength both increased once silicon is added. Hardness also rises as the amount of silicon additions increases, with the maximum percentage (1.2 percent Si) resulting in the highest hardness and compressive strength
This paper studies the preparation of Copper powder from Copper Sulphate aqueoussolution(CuSO4.5H2O), sulfuric acid (H2SO4) and copper chloride (CuCl2.2H2O)by usingthe process of electro-deposition. Process of Powder deposition have been investigated forcopper powder, it is a fine layer on cathode electrode by using the value of different fromcurrent densities (0.12, 0.14, 0.16, and 0.18) A/cm2.as it is noticed the weight of the powderrises with there is of current density. Diffractions of X-ray (XRD) revealed high crystallinityand pure copper powder not contain impurity or oxides. Size of the Crystallite has beenmeasured by Scherrer's Formula about (38.44 -43.161) nm. Optical microscopes haverevealed the particles of copper have dendritic shapes. The size of Particles analyzermeasured the size of a particle which is about (2.4 – 8.7) μm.
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