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Corrosion of high chrome wear part materials used in vertical roller mills

机译：立式辊磨机中使用的高铬易损件材料的腐蚀

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摘要

The corrosion resistance of two high chrome wear facings, manganese cold workable steel and heat treated white cast iron, was investigated. The addition of Cl~- to the aqueous solution unexpectedly improves the corrosion resistance. Tribocorrosion experiments show that the current density increases but with magnitudes of no importance in industrial vertical roller mill applications. However, these corrosion magnitudes might show significant material losses in other industrial applications such as marine industries including oil drilling. The investigated wear part materials are not specifically designed to withstand abrasive marine conditions; however, the applied scientific approach might be used on such materials.
机译：研究了两种高铬耐磨面，锰冷加工钢和热处理白铸铁的耐腐蚀性。向水溶液中添加Cl-出乎意料地提高了耐腐蚀性。摩擦腐蚀实验表明，电流密度增加，但幅度在工业立式辊磨机应用中并不重要。但是，这些腐蚀程度可能在其他工业应用（例如包括石油钻井在内的海洋工业）中显示出重大的材料损失。所研究的易损件材料并非专门设计用于承受恶劣的海洋条件;但是，可以在此类材料上使用应用的科学方法。

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