Nondestructive evaluation of corrosion by fractal geometry |
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Authors: | F Jin F P Chiang |
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Affiliation: | (1) Department of Mechanical Engineering, SUNY at Stony Brook, 11794-2300 Stony Brook, NY, USA |
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Abstract: | Fractal geometry is finding its application in the nondestructive evaluation (NDE) of corrosion by characterizing the corrosion surface with fractal dimensions. It was found that corrosion surfaces can be well described by multifractals. Two algorithms were used to obtain the fractal dimensions of a corroded aluminum alloy surface, one being box-counting and another being coherent light scattering. Fractal dimensions were related with the damage caused by corrosion and fatigue. |
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