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Effect of the NaVO3-V2O5 Ratio on the High Temperature Corrosion of Chromium

机译:NaVO 3 -V 2 O 5 比对铬高温腐蚀的影响

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The effect of the V2O5aVO3 ratio on the corrosion resistance of Cr at different temperatures hasbeen studied. The corrosion performance was determined by mass loss and electrochemical techniques.The corrosion resistance of Cr depends on the stability of the oxide layer grown, the testingtemperature and the characteristics of the melt. Cr has good corrosion resistance up to 700 C. Above700 C its corrosion resistance decreases since the solubility of the protective oxide formed increases.The corrosiveness of vanadium salts depends not only of its ability to absorb oxygen but also of thetype of vanadium compound.
机译:研究了V2O5aVO3比对Cr在不同温度下的耐蚀性的影响。腐蚀性能是通过质量损失和电化学技术来确定的。铬的耐蚀性取决于所生长的氧化物层的稳定性,测试温度和熔体的特性。 Cr在700°C以下具有良好的耐蚀性.700°C以上时,由于形成的保护性氧化物的溶解度增加,其耐蚀性下降。钒盐的腐蚀性不仅取决于其吸收氧气的能力,还取决于钒化合物的类型。

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