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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 2    September 2009

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An evaluation analysis method for corrosion morphology
characterization based on Gaussian filter
ZHANG Peng (张 鹏)1, GUO Bin (郭 斌)2, CHENG Shu-kang (程树康)3

1. School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China;
2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;
3. Institute of Electromagnetic and Electronic Technology, Harbin Institute of Technology, Harbin 150001, China

Abstract:The corrosion process of copper in thermal flow system was investigated through the experimental bench. According to surface variation of samples during corrosion process, the surface model of specimen was build up based on Gaussian filter. The results show that the corrosion characterization of copper in thermal flow system is pitting corrosion. The morphology characterizations of metal corrosion process can be described using the proposed surface model. The generation and development of copper pitting process can be observed clearly.

 

Key words: corrosion; corrosion morphology; Gaussian filter; copper

ISSN 1672-7029
CN 43-1423/U

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