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Diagnosis of the track superstructure is a significant element among the factors contributing to improvement of technical condition of railway infrastructure in Poland. Monitoring of the changes taking place on the running surface of the rails is very relevant taking into account the level of rail transport safety. The paper presents some factors influencing the process of degradation of the rail...
W artykule dokonano analizy typowych uszkodzeń pojawiających się w pracy układu zasilania silników spalinowych z zapłonem samoczynnym z wtryskiem bezpośrednim typu Common Rail. Przedstawiono usterki i uszkodzenia występujące w pracy pomp wysokiego ciśnienia i wtryskiwaczy elektromagnetycznych. Awarie te są najczęściej wynikiem długotrwałej pracy w warunkach eksploatacyjnych i mają charakter zużycia...
In this paper we consider one of the numerous types of wear, the one that occurs in the conditions of plastic contact. This type is predominant in heavy-loaded sliding and rolling contacts. In this particular case, we restrict our consideration to the lubricated sliding contact. Plastic deformation in the friction zone occurs in the real area contacts with the proviso that p>k, they are the reason...
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