Friction effect in a plane problem of punch acting on a half-space weakened by cracks

• Autorzy: Tomczyk A.
• Języki publikacji: EN

Abstrakty

EN

This work makes use of singular integral equations method to solve plane contact problem for a half-space containing cracks. This method is based on complex variables. Relationships are presented which help find the contact pressure under the punch and the value of stress intensity factors at the crack tips. A detailed solution is presented for the problem of a punch pressed to the surface of a half-space weakened by a single straight crack. It includes both a situation where the punch has a flat and parabolic base. The influence of friction and the position of the crack on the distribution of the values of stress intensity factors KI i KII in the functions of crack length and distance from the contact zone was analyzed in detail.

Słowa kluczowe

EN

contact problem; elastic half-space; crack; stress intensity factor; friction

PL

zagadnienie kontaktowe; półprzestrzeń sprężysta; pęknięcie; współczynnik intensywności naprężeń; tarcie

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2014
• Tom: Vol. 8, no. 2
• Strony: 107--114
• Opis fizyczny: Bibliogr. 30 poz., rys., wykr.

Twórcy

autor

Tomczyk A.

• Białystok University of Technology, Faculty of Mechanical Engineering, ul. Wiejska 45C, 15-351 Białystok, Poland

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