Abstract
To determine the effect of the elemental composition of alloys on sliding wear, wear tests were carried out on several kinds of Cu-Zn, Cu-Sn, Cu-Ni, Ti-Ni and Ti-Al alloys under dry conditions using a pin-on-disk apparatus. The wear behaviours of these alloys were remarkably different from each other according to their metallurgical phase. In primary solid solutions the wear mode, especially the tendency of transition from severe to mild wear, was similar to that of the parent elemental metals. For example, in the α and η phases in the Cu-Zn alloy system the severe-to-mild wear transition was hardly observed. In the intermetallic compounds, on the other hand, the wear behaviour was very different from that of each of the constituent elements; that is, the severe-to-mild wear transition was observed at an early stage of sliding. In consequence, a higher wear resistance was revealed in intermetallic compounds as compared with primary solid solutions.
Published Version
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