Evaluation of friction force using a rubber wheel instrument
¹Department of Material Science and Manufacturing Technology, Faculty of Engineering, Czech University of Life Sciences, Kamýcká 129, 6521 Prague 6, Czech Republic; *Correspondence: choteborsky@tf.czu.cz 2 Department of Electrical Engineering and Automation, Faculty of Engineering, Czech University of Life Sciences, Kamýcká 129, 16521 Prague 6, Czech Republic
Abstract:
Abrasive wear is the most important process for innovation of new materials in agriculture. The method depends on the internal (the microstructure of the abraded material) and external (characteristic of the abrasive particle, force, etc.) conditions. A modified rubber wheel instrument based on the ASTM G65 procedure was used to obtain the study results. The results showed that the friction between an abrasive particle and abraded material was influenced by the microstructure of the abraded material and this relationship can be used for abrasive wear evaluation. The study result also showed that the limitation of using the rubber wheel method was the natural frequency of the system. In this study, the natural frequency was found to be 200 Hz, which is useful for elimination of the algorithm for frequency and amplitude during wear analysis.
Key words:
abrasive wear, dry rubber wheel test, intensity of wear, microstructure.