期刊
CORROSION SCIENCE
卷 52, 期 11, 页码 3661-3666出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.07.017
关键词
Nickel; SEM; Modeling Studies; Pitting Corrosion; Acid Corrosion; Corrosion Fatigue
资金
- US National Science Foundation [DMR-0505496]
- Office of Naval Research, Virginia
Corrosion surface damage in the form of pitting and micro-cracks is observed in many metals. Cracks usually initiate from the pits and grow under cyclic stresses and eventually lead to material failure. An image analysis based on wavelet transforms and fractals was used to study the corrosion morphology of nickel aluminum bronze metal under varying corrosion conditions and applied stresses. Image feature parameters were extracted and analyzed to classify the pits/cracks in the metal samples. The results obtained indicate that classification of pits/cracks is possible with image analysis and may be used for correlating service/failure conditions based on corrosion morphology. (C) 2010 Elsevier Ltd. All rights reserved.
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