Method for treating ferrous alloy parts in order to improve...

Details Method for treating ferrous alloy parts in order to improve... Method for treating ferrous alloy parts in order to improve...

2007-02-06

2007-02-06

Bashore, Alain L. (Department: 1762)

Coating processes

Immersion or partial immersion

Molten metal or fused salt bath

C427S435000, C427S436000, C428S336000, C428S704000, C428S682000

Reexamination Certificate

active

10474187

ABSTRACT:
A method for obtaining a ferrous alloy part that supports a very high seizure load with very low dispersion includes steps of covering the part with an iron sulphide coating having an appropriate thickness and Fe/S ratio, where the coating is selected from among those with surfaces having a fractal dimension that is at least equal to 2.6.

REFERENCES:
patent: 5981934 (1999-11-01), Higashikawa
patent: 6689424 (2004-02-01), Wang et al.
Antonucci P L et al:, “Fractal surface characterization of chalcogenide electrodeposits”, Materials Science and Engineering B, Elsevier Sequoia, Lausanne, CH, vol. 38, No. 1, Mar. 1, 1996, pp. 9-15.
Vazquez L et al:, “Scanning tunneling microscopy characterization of the morphology of Fe/C multilayers grown on silicon substrates”, Journal of Applied Physics, Jan. 1, 1994, USA, vol. 75, No. 1, pp. 248-254.

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