Abstract
The wear behaviour of ceramic materials against steel has been studied with respect to the viability of using clinker as an inex pensive component. Friction and wear behaviour of composites based on Portland clinker reinforced with 3, 6, or 9 wt-% of three different oxides (alumina, magnesia, silica) was evaluated against a steel countermaterial (910 HV) using a pin on disk test. The composites were prepared by dry mixing and compacting at 180 MPa using cold isostatic pressing; sintering was carried out at 1400°C in air. All samples were polished to 0.8 μm. Friction coefficients and wear rates were determined and the materials characterised by optical and scanning electron microscopy.
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