Abstract
The experimental research was carried out to study the tribological behaviour of materials used in the manufacture of rotary dryer blades (based on abrasive/abrasive-erosive wear analysis of the blades) using the Baroid tester. The test program included 2 series of tests consisting of subjecting the specimens to a wear process, generated by friction between their test surface and a rotating granite roller. Each set of tests was by specific parameters characterized: test medium, rotational speed of the granite roller, pressing force of the roller on the specimen surface, test time, number of test cycles. The test results highlight the erosion phenomenon (abrasive erosion) responsible for the damage of the rotary dryer blades and the conditions of accentuation of specific wear phenomena.
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