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Optically Scanning the Morphology of Protective Layers and Forecasting the Corrosion Resistance of Thermally Oxidized Steel

机译:光学扫描保护层的形态并预测热氧化钢的耐腐蚀性

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摘要

The results of investigating the morphology and protective properties of surface layers obtained on chromium steel X18H10T by oxidizing in air at a temperature of 140 to 950 deg C are considered. After a special digital treatment, the scanned optical images of a small surface area probed allow one to introduce and determine those parameters of the morphological nonuniformity of the thermal oxide layer which affect its protective ability. Corrosion tests of oxidized specimens confirmed the applicability of the scanner morphological control to predicting the protective properties of thermal coatings against pit corrosion in chloride-containing electrolyte solutions.
机译:考虑了通过在140到950℃的温度下在空气中氧化在X18H10T铬钢表面上获得的表面层的形貌和保护性能的研究结果。经过特殊的数字处理后,所探测到的较小表面积的扫描光学图像可以引入并确定影响其保护能力的热氧化层形态不均匀性的参数。氧化样品的腐蚀测试证实了扫描仪形态控制在预测含氯电解质溶液中热涂层对点蚀的防护性能方面的适用性。

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