Electropolishing iron-cobalt-vanadium laminate stacks to improve performance of electrical machinery
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An electropolishing method was developed for electrical machinery laminated stacks of a 49% Fe, 49% Co, 2% V alloy. The method removed the metal most rapidly at the laminate interfaces. The glue between the laminates was washed away as the metal was removed. A mixture consisting of phosphoric and hydroxyacetic acids and ethylene glycol produced an unpitted polished surface. The electropolishing technique was especially effective at removing metal on the laminated stack surface that caused electrical shorting of the laminates.
author list (cited authors)
Kenny, A., Palazzolo, A., Preuss, J., Tucker, R., & Konno, K.