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金属学报  1998 

IN-SITU IMAGE GRAB AND ANALYSIS FOR PITTING PROCESS OF 304 STAINLESS STEEL
304不锈钢孔蚀过程原位图象采集与分析

Keywords: image processing,stainless steel,pitting
图象处理
,不锈钢,孔蚀,图象识别,计算机应用

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Abstract:

A method for grabbing and analyzing in-situ images was established to study pitting corrosion in 304 stainless steel. Using a self-developed Visual C program, images obtained upon potentiostatic polarization were analyzed. It was found that there was a liner relationship between pitting ratio and reaction electric quantity. Besides, lots of small pits became a larger pit, and grays moved towards smaller values and double peaks were observed on the gray histograms when pitting corrosion happened.

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