EFFECT OF BIOCIDES ON LUBRICITY PERFORMANCE OF METALWORKING FLUIDS (MWF)
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Abstract
It is well known that metalworking fluids (MWF)I coolants are susceptible to
growth of wide range of micro-organism including bacteria, fungi, molds and
yeast. These micro-organisms can have detrimental effects not only on the
performance and life of MWF but also effect the operator's health and the
environment. For controlling these organisms, various types of biocides are
incorporated in the MWF formulations. They may influence the lubrication
characteristics. To examine the. role of biocides in governing the behaviour of
lubricants on the lubricity property, a series of biocides were studied for wearscar
diameter (WSD) on the 4-ball machine at different time interval. It was
observed that the rate at which they act, differ widely to each other with lubricity
and the life of fluids. r.
KEY WORDS: Metalworking Fluids, Lubricity, Wear, Biocides
