Abstract
THE suggestion1 that the failure of lubrication in gears is caused by the actual contact temperature reaching a critical value (150° to 200° C) at which the desorption of surface active compounds present in oils occurs has been supported2 by evidence obtained from modified ‘Bowden–Leben’ friction apparatus. With mineral oils, the friction change could not be observed in this apparatus with a tool-steel friction pair, but it showed up sharply with stainless steel (18 per cent chromium, 8 per cent nickel). The mechanism of the difference between the two is the subject of this communication.
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References
Askwith, T. C., Cameron, A., and Crouch, R. F., Proc. Roy. Soc., A, 291, 500 (1966).
Grew, W., and Cameron, A., Nature, 214, 429 (1967).
Niemann, G., and Lechner, G., Erdöl Kohle, Erdgas, Petrochem., 20, 96 (1967).
Groszek, A. J., and Palmer, A. J., J. Inst. Petrol., 47, 295 (1961).
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GREW, W., CAMERON, A. Role of Austenite and Mineral Oil in Lubricant Failure. Nature 217, 481–482 (1968). https://doi.org/10.1038/217481a0
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DOI: https://doi.org/10.1038/217481a0
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