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采用稀释的三点测厚法溶液对不同存放期的热镀锌钢板耐蚀性进行了试验与比较,并用铬酸酐和硫酸的溶液提高侵蚀层的反光性以便于观察.结果表明,该方法能够简单方便地解析腐蚀特性;而镀锌层的质量是耐蚀性能的一个重要因素.
The corrosion resistance of hot dip galvanized steel sheets with different storage periods was tested and compared with the diluted three-point thickness measurement solution, and the chromate and sulfuric acid solutions were used to improve the reflectivity of the erosion layer for observation. The results show that this method can Simple and easy to analyze the corrosion characteristics; and the quality of galvanized coating is an important factor in corrosion resistance.