Thermoelastic wheel-rail contact problem for a multi-layer structure

• Autorzy: Chudzikiewicz A. , Myśliński A.
• Konferencja: Symposium “Vibrations In Physical Systems” (26 ; 04-08.05.2014 ; Będlewo koło Poznania ; Polska)
• Języki publikacji: EN

Abstrakty

EN

Wheel-rail thermoelastic contact problem is analysed and numerically solved in the paper. The surface of the rail is assumed to consist from layers having distinct constant material parameters and a functionally graded material layer between. Thermal and mechanical properties of the graded layer are dependent on its depth rather than constant as it is considered in the literature. Numerous laboratory experiments indicate that graded materials layers or coatings covering the conventional steel body can reduce the magnitude of contact and/or thermal stresses as well as the noise and the rolling contact fatigue. The contact phenomenon includes friction as well as frictional heat generation and wear. Quasistatic numerical approach is used to solve numerically this contact problem. Numerical results are provided and discussed.

Słowa kluczowe

EN

thermoelastic rolling contact problem; functionally graded materials; quasistatic method

PL

zagadnienie kontaktu tocznego; materiały funkcyjnie zmienne; metoda quasi-statystyczna

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2014
• Tom: Vol. 26
• Strony: 41--48
• Opis fizyczny: Bibliogr. 14 poz., rys., wykr.

Twórcy

autor

Chudzikiewicz A.

• Institute of Transport, Warsaw University of Technology, ul. Koszykowa 75, 00 - 662 Warsaw

autor

Myśliński A.

• Systems Research Institute, ul. Newelska 6, 01-447 Warsaw, Faculty of Manufacturing Engineering, Warsaw University of Technology, ul. Narbutta 85, 02-524 Warsaw

Bibliografia

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