On Tribological Behaviour of Thermo-Chemical Treated Steels after Thermo-Magnetic Treatments
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The paper presents an analysis on two grades of steel, subjected to nitrocarburized or nitrided thermo-chemical treatment after different thermomagnetic treatments. Based on the concept of tribosystem, pairs of steel rollers were tested in order to evaluate the tribological behaviour, using an Amsler machine, under rolling sliding motion, with two sliding degrees, different contact loads and different testing time periods. I tried to estimate the durability of these materials, the evolution of the surface structure parameters, at different moments during the tests, after applying different thermo-chemical treatments and thermomagnetic treatments (considered as non-conventional treatments). The performed tests allowed establishing the influence of the thermal, magnetic and mechanical parameters on the behaviour of these two steel grades when tested under rolling-sliding conditions.
- 2008 fascicula8