Effects of nano-Al₂O₃ and PTFE fillers on tribological property of basalt fabric-reinforced epoxy composites

Abstract

Effects of nano-Al 2 O 3 and PTFE fillers on tribological behaviour of basalt fabric reinforced epoxy composite (BFRC) produced with a combination of molding and mixing method were studied by Taguchi L9 design. Microstructures and worn surfaces of composites were investigated by scanning electron microscopy. Regression equations were also developed for predicting wear and coefficient of friction. The results indicated that specific wear rate increased with increasing load and decreasing speed, but friction coefficient decreased with increasing speed, PTFE addition and medium load. In addition, wear rate of nano-PTFE was lower than that of nano-Al 2 O 3 because of its microstructure. PTFE decreased the friction about 17%. Load was effective on the wear rate while speed was dominant on the friction. Moreover, multiple fiber fractures and large numbers of debris were dominated for BFRC while fiber debondings, fiber removals and debris agglomerations were effective for Al 2 O 3 , but fiber fractures and flake types of debris were responsible for PTFE.

Understanding the effect of solid lubricants on scratch behavior in epoxy resins: An experimental and statistical approach

“…However, it is evident that both solid lubricants reduce the average COF when considering that COF is 0.45 for neat rigid epoxy and 0.44 for neat toughened epoxy. The positive effects of these solid lubricants on COF are supported by various researchers 12,47–50 . For example, Sahin and Patrick revealed by ANOVA that the optimum parameters for minimizing the wear rate of epoxy composites are the combinations of PTFE.…”

“…For example, Sahin and Patrick revealed by ANOVA that the optimum parameters for minimizing the wear rate of epoxy composites are the combinations of PTFE. In the same study, it was reported that reinforcement type was the second most important factor after load in wear factors 49 . In their study on the wear performance of epoxy composites, Zhang and colleagues reported that graphite reinforcements are more effective than PTFE 47 .…”

“…The positive effects of these solid lubricants on COF are supported by various researchers. 12,[47][48][49][50] For example, Sahin and Patrick revealed by ANOVA that the optimum parameters for minimizing the wear rate of epoxy composites are the combinations of PTFE. In the same study, it was reported that reinforcement type was the second most important factor after load in wear factors.…”

“…In the same study, it was reported that reinforcement type was the second most important factor after load in wear factors. 49 In their study on the wear performance of epoxy composites, Zhang and colleagues reported that graphite reinforcements are more effective than PTFE. 47 Moreover, graphite is a promising candidate for a reinforcement material that can potentially create a transfer film on the sliding counterpart.…”

The effect of different fillers, loads, and sliding distance on adhesive wear in woven e-glass fabric composites

“…Arun et al 29 and Kim et al 30 obtained results consistent with our study Sharma, 31 Pihtili and Tosun, 2 Suresha and Kumar, 32 and sahin. 33 In addition, it indicates that increasing sliding distance increased the mass loss. Since the increase in the load increased the contact pressure on the friction surfaces, it removed more chips than the adhesive abrasive composite materials.…”