Biodegradowalny olej hydrauliczny o podwyższonych właściwościach smarnych

THE ANALYSIS OF THE TRIBOLOGICAL PROCESSES OCCURRING IN THE SOCKET-AND-BALL FRICTION PAIR OF A HIP JOINT ENDOPROSTHESIS

The paper presents a hip joint as an ideal system. The causes of the damage to a natural human hip joint and the ways of restoring its lost functions along with hip joint alloplasty are discussed. In the research part of...

EXPERIMENTAL AND THEORETICAL WEAR ANALYSIS OF THIN CERAMIC COATINGS IN TRIBOLOGICAL CONTACT

The article presents the model used to predict wear of thin ceramic coatings working in tribological contact. The model is based on the Archard wear law and contact mechanics. The cooperation of elements in the ball/plan...

WEAR OF PTFE SEALS IN THE BALL VALVES

The article presents the research results of leakage from ball valves. Leakage was measured for a new valve and after an assumed number of open/close cycles using the helium detection method. The roughness of a valve bal...

Wpływ temperatury i prądu anodowania na zmiany właściwości tribologicznych pary ślizgowej Al2O3/WS2 - PEEK/BG

Celem artykułu jest przedstawienie zmian właściwości tribologicznych skojarzenia: warstwa Al2O3/WS2–materiał polimerowy PEEK/BG, pod wpływem zastosowania różnych temperatur i wartości prądów podczas procesu otrzymywania...