By Isaac Chang, Yuyuan Zhao
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Extra resources for Advances in powder metallurgy: Properties, processing and applications
An important step adopted in this study was the use of an organic solvent, dimethylsulfoxide (DMSO), to wash the electrolysis product with a magnetic stirrer in a sealed conical flask, which avoided oxidation and washing loss of the magnetic product. A photograph taken during the washing process is displayed in Fig. 7(b). Another interesting finding of this study was that the electrolytic product which was composed of 5–10 mm nodules, see Fig. 7(c), could be pulverised to smaller particles by application of sonication to assist washing in DMSO, as shown in Fig.
This chapter considers the feasibility of direct conversion of mineral to metal powder using a new electrochemical method, the FFC Cambridge process (Fray, Farthing and Chen). The discussion will be on the background of electrometallurgy and powder metallurgy, the principles of the new process and its application for metal powder production, and the direct route from oxide precursors to alloyed powders. Key words: alloys, electrolysis, metal oxides, metals, molten salts, powders. g. coal and natural gas), production of metals will become expensive or even unaffordable.
7 Dunkley, J. J. , ‘Centrifugal atomisation of metal powders’. Advances in Powder Metallurgy and Particulate Materials, 2007, 2, 26–31. 8 Aderhold, D, and Dunkley, J. , ‘Experience of industrial-scale hot inert gas atomisation’. Advances in Powder Metallurgy and Particulate Materials, 2008, 2, 1–7. 9 Sundin S, Nordberg L-O, Cocco M and Walve R, Innovations in high performance gas-atomized PM steels. Proceedings of the 2008 World PM Congress, Session 51–1, Washington, MPIF, 2008. © Woodhead Publishing Limited, 2013 2 Forming metal powders by electrolysis G.