Further evaluation of boric acid vis-à-vis other lubricants for cold forming applications

K. P. Rao, Y. V R K Prasad, C. L. Xie

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    23 Citations (Scopus)

    Abstract

    The effectiveness of boric acid as lubricant has been evaluated in ring forging and deep drawing operations. The elapsed lay-by time between boric acid coating preparation and forming operation has significant influence on the friction factor. Fresh surfaces provide least friction since longer lay-by time permits absorption of moisture from the environment and tend to increase friction. Forging speed has no effect on the performance of boric acid lubricant. The average of peak forces obtained with tools having different surface coatings indicated that the hardness of the coating also has no effect on the effectiveness of the boric acid lubricant. © 2011 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1118-1126
    JournalTribology International
    Volume44
    Issue number10
    DOIs
    Publication statusPublished - Sept 2011

    Research Keywords

    • Boric acid lubricant
    • Deep drawing
    • Hard coatings
    • Ring forging

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