Tribochemical study of micropitting in tribocorrosive lubricated contacts: The influence of water and relative humidity

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• 作者：Siavash Soltanahmadi^a ; ^{s.soltanahmadi@leeds.ac.uk} ; Ardian Morina^a ; Marcel C.P. van Eijk^b ; Ileana Nedelcu^b ; Anne Neville^a
• 关键词：Micropitting Surface Fatigue ; Tribocorrosive wear ; X-ray ; Photoelectron Spectroscopy (XPS) ; ZDDP Antiwear Additive
• 刊名：Tribology International
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：107
• 期：Complete
• 页码：184-198
• 全文大小：3560 K
• 卷排序：107

文摘

Increased dissolved-water level enhances tribocorrosive micropitting nucleation. In free-water condition micropit propagation is retarded by predominant mild wear. Dissolved-water influences the ZDDP-derived tribofilm thickness. Dissolved-water alters the phosphate chain length and ZnO/ZnS ratio in tribofilms. The phosphate contribution to the tribofilm is decreased by dissolved-water in oil.