In the present work, the topographical images of slurry erosion surfaces at different impact angles were quantified using fractal analysis. The study showed that the variation of fractal value of slope of linearized power spectral density with the impact angle is largely similar to the relationship between the erosion rate and the impact angle. Both the fractal value and erosion rate were maximum at 45 deg and 90 deg for ductile and brittle materials, respectively. It was found also that the variation of fractal values versus the impact angle has a general trend that does not depend on magnification factor. The fractal features to the eroded surfaces along different directions showed high directionality at oblique impact angle and were symmetrical at normal impact.
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July 2009
Research Papers
Fractal Characterization of Slurry Eroded Surfaces at Different Impact Angles
Abouel-Kasem,
Abouel-Kasem
Department of Mechanical Engineering, Faculty of Engineering,
e-mail: abouelkasem@yahoo.com
Assiut University
, Assiut 71516, Egypt
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M. A. Al-Bukhaiti,
M. A. Al-Bukhaiti
Department of Mechanical Engineering, Faculty of Engineering,
e-mail: albukhaiti@yahoo.com
Sana’a University
, Sana’a 12554, Yemen
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K. M. Emara,
K. M. Emara
Department of Mechanical Engineering, Faculty of Engineering,
e-mail: emara@aun.edu.eg
Assiut University
, Assiut 71516, Egypt
Search for other works by this author on:
S. M. Ahmed
S. M. Ahmed
Department of Mechanical Engineering, Faculty of Engineering,
e-mail: shemy2001@yahoo.com
Assiut University
, Assiut 71516, Egypt
Search for other works by this author on:
Abouel-Kasem
Department of Mechanical Engineering, Faculty of Engineering,
Assiut University
, Assiut 71516, Egypte-mail: abouelkasem@yahoo.com
M. A. Al-Bukhaiti
Department of Mechanical Engineering, Faculty of Engineering,
Sana’a University
, Sana’a 12554, Yemene-mail: albukhaiti@yahoo.com
K. M. Emara
Department of Mechanical Engineering, Faculty of Engineering,
Assiut University
, Assiut 71516, Egypte-mail: emara@aun.edu.eg
S. M. Ahmed
Department of Mechanical Engineering, Faculty of Engineering,
Assiut University
, Assiut 71516, Egypte-mail: shemy2001@yahoo.com
J. Tribol. Jul 2009, 131(3): 031601 (9 pages)
Published Online: May 22, 2009
Article history
Revised:
October 5, 2006
Received:
July 5, 2008
Published:
May 22, 2009
Citation
Abouel-Kasem, Al-Bukhaiti, M. A., Emara, K. M., and Ahmed, S. M. (May 22, 2009). "Fractal Characterization of Slurry Eroded Surfaces at Different Impact Angles." ASME. J. Tribol. July 2009; 131(3): 031601. https://doi.org/10.1115/1.3118784
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