Abstract
The friction and wear (adhesive and abrasive wear modes) behavior of thermoplastic compounds is a multifaceted procedure, intensely pretentious by strand and special filler properties as well as operational conditions. This chapter reveals the tribological execution of small glass strand (SGF)-reinforced thermoplastic copolyester elastomer (TCE) compounds filled with both micro- (polytetrafluroethylene, silicon carbide, aluminum oxide, and molybdenum disulfide) and nanosized (aluminum oxide and perflouropolyether) special space grouts. Two-body abrasive wear (single-pass and multipass conditions) test results showed that TCE packed with PTFE space filler exhibited superior resistance to abrasion. Three-body abrasive wear data revealed that the specific wear rate (Ks) diminished with an increase in the grazing distance and increased with an upsurge in silica sand particle size. Dry sliding wear test results revealed that a TCE crossbreed compound fortified with SGF and filled with PTFE, SiC, Al2O3, and MoS2 particulates exhibited improved resistance to attrition. On the other hand, a TCE crossbreed compound filled with perfloropolyether (PFPE) nanofiller demonstrated the lowest friction coefficient in the study group. Decisively, the worn faces of the chosen wear-tested specimens were assessed using a scanning electron microscope to distinguish the involved attrition mechanisms.
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