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Elsevier, Tribology International, 6(44), p. 670-683

DOI: 10.1016/j.triboint.2010.02.009

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Influence of metallic and oxidized iron/steel on the reactivity of triphenyl phosphorothionate in oil solution

Journal article published in 2011 by Filippo Mangolini ORCID, Antonella Rossi, Nicholas D. Spencer, Spencer Nd
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The influence of metallic and oxidized iron/steel on the reactivity of triphenyl phosphorothionate (TPPT) in oil solution at 473 K was investigated by means of FT-IR, NMR and XPS. The FT-IR and NMR results show that the degradation of TPPT was catalyzed by metallic and oxidized iron powder and started with the breakage of the P=S bond to form triphenyl phosphate (TPP). The results of the XPS sputter depth profile show the multilayer structure of the thermal film formed on 100Cr6 steel filings immersed for 72 h in TPPT solution heated at 473 K.