Abstract
The adhesive wear resistance of (2024&2024-T4) aluminium alloy under dry and lubricated conditions has been investigated by using the weighing method and the Acoustic Emission Technique (AET). Pin–on-plate reciprocating wear apparatus was used. The AET has capability of predicting an impending failure much ahead of time of its occurrence. The AE measurements are made with the help of a tape recorder system into isolated chamber from external noises. The results show that 2024-T4 alloy has higher wear resistance with three distinct stages of wear rate in comparison with 2024 alloy under the working conditions. The AE data analysis showed a clear evident that the Events Rate and Peak Amplitude value display a clear-cut distinction between the wear rate stages in dry and lubricated conditions of both alloys giving a good agreement with the weighing method results.
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