Abstract
AbstractIn machines which operate under conditions of potential boundary lubrication, all the lubricants used normally contain antiwear agents. When the antiwear properties of the lubricants are evaluated on a frictional wear tester, because the test peice is made of a single material, it is not certain that the antiwear properties of the lubricants tested are the same as those on real machines. Zhao et al. observed a correlation between the chromium content of steels and antiwear load of an antiwear agent containing sulphur or phosphorus.1 Zang studied the friction decreasing effect of an oiliness agent with different metals.2 In this report, the authors changed the test piece of a four‐ball machine for a plane ring in order to look at the test piece with different metal materials, with the aim of examining the mutual relation between the different materials and antiwear agents. This paper presents the results.
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