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This paper investigates the wear properties of a carbon nanotube reinforced epoxy composite. The study shows that the surface coverage area of CNTs, R c/m , plays a significant role in the wearability of the composites. With R c/m >25%, the wear rate can be reduced by a factor of 5.5. With the aid of the transmission electron microscopy, the study concluded that the improvement...
Microstructural changes in the surface layer of Ti-6Al-4V alloy after sliding wear in vacuum have been studied by means of scanning and transmission electron microscopy (SEM and TEM). The wear rates of Ti-6Al-4V alloy in vacuum were measured under different sliding velocities and loads. The experimental results showed that a severely deformed layer with a grain size of 50-100 nm and thickness about...
By means of transmission and scanning electron microscopy, the microstructure of subsurface layer on specimens after friction tests has been examined. The load and sliding speed dependencies of the coefficient of friction and temperature have been obtained on specimens from austenitic and martensitic steels. It has been shown that severe adhesive wear (seizure) conditions result in formation of a...
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