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We recommend to use SSAB Domex steel microalloyed with boron and characterized by elevated resistances to corrosion-erosion fracture and low-cycle fatigue instead of the widespread 18Mn2 steel in the water transport and elements of hydroengineering structures subjected to the action of strong water flows including, in particular, the Kort nozzles, rudder drives, and parts of the river-ship hulls especially...
For an example of a system formed by carbon steel and mineral oil, it is shown that hydrogen release and, hence, the hydrogenation of the metal surface are possible in the case of cavitation. This leads to the embrittlement of the steel surface and is fractographically revealed by the decrease in the energy required for the cavitation fracture.
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