Abstract

The present study considered the specific wear rate for polyamide 66 and their composites prepared by injection technique. The experimental tests are achieved under dry sliding conditions at room and elevated temperatures using Taguchi approach with (L27) array. The material type, normal applied load, sliding time, and temperature are adopted as design parameters while, the specific wear rate adopted as the response. The optimal design parameters values for minimum specific wear rate are found by Taguchi approach. It’s found that the combination of PA66+30%CF, 10 N applied load, 10 min sliding time, and 20 °C test temperature are the optimal design values for minimum specific wear rate. The results appeared that the specific wear rate is greatly influenced by the increase in applied load, sliding time, and temperature; on the other hand the addition of reinforcement materials (short carbon fiber or carbon nanotube particles) leads to increase the wear resistance. The most effective factor on specific wear rate is the applied load and followed by material type, temperature, and sliding time.

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