Characterization of Cavitation Eroded Surfaces at Different Temperatures Using Wavelet Method

Characterization of Cavitation Eroded Surfaces at Different Temperatures Using Wavelet Method

In the present work, the image features of cavitation erosion surfaces at different temperatures are extracted using wavelet decomposition transform. The results obtained indicate that the extract parameters, wavelet energy, and entropy can characterize the cavitation intensity in a similar manner t...

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Veröffentlicht in:Journal of tribology 2017-05, Vol.139 (3)
Hauptverfasser: Abouel-Kasem, A, Saleh, B, Emara, K. M, Ahmed, S. M
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Tribochemistry and Tribofilm
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container_title Journal of tribology
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creator Abouel-Kasem, A
Saleh, B
Emara, K. M
Ahmed, S. M
description In the present work, the image features of cavitation erosion surfaces at different temperatures are extracted using wavelet decomposition transform. The results obtained indicate that the extract parameters, wavelet energy, and entropy can characterize the cavitation intensity in a similar manner to that of the mass loss and average particle size at different temperatures. Based on the analysis of the eroded surface and particle morphologies for different temperatures, it was found that the predominant failure mode was fatigue.
doi_str_mv 10.1115/1.4034381
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subjects Tribochemistry and Tribofilm
title Characterization of Cavitation Eroded Surfaces at Different Temperatures Using Wavelet Method
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