is the measure of the relative ability of a lubricant to prevent wear under applied loads; it is calculated from data obtained from the Four Ball EP Method (ASTM-D-4172). Formerly called mean Hertz load. Also see four-ball method.
is the measure of the relative ability of a lubricant to prevent wear under applied loads; it is calculated from data obtained from the Four Ball EP Method (ASTM-D-4172). Formerly called mean Hertz load.
Also see four-ball method.
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