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    The SAR Number for Slurry Abrasion Resistance

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    With the use of the Miller Number for slurry abrasivity and its usefulness in the slurry pumping industry in predicting pump wear, it became obvious that the same test could be run in “reverse” to determine the effect of a “standard” slurry on a candidate material, thereby giving a relative measure of how a particular material would perform. In fact, about half of the 20 Miller machines in existence throughout the world are used specifically for wear or abrasion-resistance tests.

    In this presentation the machine will be briefly described along with the basic procedure for determining SAR (slurry abrasion resistance) as derived from the Miller Number procedure.


    abrasivity, slurry, abrasion resistance, corrosion, wear, wear resistance

    Author Information:

    Miller, JE
    Consultant, White Rock Engineering, Inc., Dallas, TX

    Committee/Subcommittee: G02.30

    DOI: 10.1520/STP19424S