Abstract
The friction and wear behaviors of aramid-filled PA 6 composites filled with and without nano-MoS2 were investigated on an end-face tribometer through rubbing against ASTM 1045 steel under dry friction. The experimental results indicated that the wear rate and the friction coefficient of PA 6 decreased with the addition of nano-MoS2. The friction coefficients of PA 6 composites filled with aramid fiber are lower than those without nano-MoS2. The main wear mechanisms under dry sliding condition are the plastic deformation and mechanical microploughing. For best combination of friction coefficient and wear rate, the optimal volume content of MoS2 in the composites appears to be 10 vol %.
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