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Scratch resistance of high performance polymers |
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| Authors: | K Friedrich HJ SueP Liu AA Almajid |
| Affiliation: | a Institute for Composite Materials (IVW GmbH), Technical University of Kaiserslautern, 67663 Kaiserslautern, Germany b CEREM, College of Engineering, King Saud University, Riyadh, Saudi Arabia c Polymer Technology Center, Texas A&M University, College Station, Texas, USA |
| Abstract: | Scratch tests were carried out on various high performance polymers, including (1) polybenzimidazole (PBI), (2) polyparaphenylene (PPP), (3) polyetheretherketone (PEEK), and (4) polyimide (PI). The scratch damage features were characterized using laser confocal and scanning electron microscope. Scratch resistance at room temperature decreased in the same order as the materials are listed above. It was attempted to correlate the scratch depth with basic mechanical properties, such as Young's modulus, tensile strength, and scratch hardness. Also, the scratch coefficient of friction was considered as a possible measure to differentiate between the various materials tested. |
| Keywords: | Scratch High performance polymers Elastic modulus |
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