The Effect of Surface Texture of Steel Disc on Friction and Fretting Wear

• Autorzy: Lenart A. , Pawlus P. , Dzierwa A. , Tupaj M.

Warianty tytułu

PL

Wpływ struktury geometrycznej powierzchni tarcz stalowych na tarcie i zużycie frettingowe

• Języki publikacji: EN

Abstrakty

EN

Fretting tests were performed using an Optimol SRV5 tribotester in a ball-on-flat scheme. Balls from 100Cr6 steel of 60 HRC hardness and diameters of 10 mm co-acted with discs from 42CrMo4 steel of 47 HRC hardness under dry gross fretting conditions. Tests were performed at 30°C and 25–35% relative humidity, and the number of cycles was 18000. During each test, the normal load was kept constant. Six sets of experiments were conducted. Discs had different surface textures as the result of machining. It was found that the lowest coefficients of friction were obtained for anisotropic surfaces when ball movements were perpendicular to main disc texture directions.

PL

W badaniach zastosowano tester tribologiczny Optimol SRV5. Kulka ze stali 100Cr6 o twardości 60 HRC kontaktowała się z tarczą o średnicy 10 mm wykonaną ze stali 42CrMo4 o twardości 47 HRC w warunkach frettingu. Temperatura wynosiła 30°C, wilgotność względna 25–35% przy liczbie cykli równej 18000. Tarcze charakteryzowały się zróżnicowaną strukturą geometryczną powierzchni uzyskaną w wyniku obróbki. Najmniejsze współczynniki tarcia osiągnięto, kiedy ruch kulki odbywał się prostopadle do głównego kierunku ukształtowania powierzchni tarczy.

Słowa kluczowe

EN

surface topography; friction; wear

PL

topografia powierzchni; tarcie; zużycie

• Wydawca: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
• Czasopismo: Tribologia
• Rocznik: 2018
• Tom: nr 4
• Strony: 39--48
• Opis fizyczny: Bibliogr. 28 poz., tab., wz.

Twórcy

autor

Lenart A.

• Heli-One, 36-102 Jasionka 947, Poland

autor

Pawlus P.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics

autor

Dzierwa A.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics

autor

Tupaj M.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).