Characteristics of fretting wear resistance for unfilled engineering thermoplastics

• Published in: Wear 2011-07, Vol.271 (9), p.2269-2273
• Main Authors: Tan, Z.H., Guo, Q., Zhao, Z.P., Liu, H.B., Wang, L.X.
• Format: Article
• Language: English
• Subjects: Acetal resins; Amplitudes; Applied sciences; Bearing steels; Chromium steels; Composites; Contact of materials. Friction. Wear; Exact sciences and technology; Forms of application and semi-finished materials; Fretting; Fretting wear; Friction, wear, lubrication; Machine components; Mechanical engineering. Machine design; Mechanical properties; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology; Medium carbon steels; Metals. Metallurgy; Physical properties; Polyethylenes; Polyimide; Polymer industry, paints, wood; Polymer structure; Properties and testing; PTFE; Structural steels; Technology of polymers; Thermoplastic; Thermoplastic resins; Wear; Wear resistance; Wear resistance mechanism
• ISSN: 0043-1648; 1873-2577
• DOI: 10.1016/j.wear.2011.02.029

Fretting wear testings were conducted with twelve unfilled engineering thermoplastics against a steel (E 52100, AISI) ball under two different amplitudes conditions. Cast iron (HT25-47) and carbon steel (C1045, AISI) were used as references. The results showed that the tested materials could be arranged in order of ascending wear resistance as follows: PPS, ABS, PSU, PC, PTFE, MCPA, PA1010, HT25-47, PP, C1045, UHMWPE, HDPE, POM, and PI. This arrangement only altered slightly when the testing amplitude was changed. In general, plastics did not produce wear on metallic counterpart, however, wear evidences were found on the steel balls paired with PSU, MCPA and POM. The interpretation will show how the results are connected with the polymeric structures and some of the important intrinsic properties of the polymers, i.e. glass transition temperature T g, melting point T m and dielectric constant ɛ.