The effect of sampling interval on the predictions of an asperity contact model of two-process surfaces

• Autorzy: Pawlus P. , Reizer R. , Wieczorowski M. , Żelasko W.

Identyfikatory

DOI

10.1515/bpasts-2017-0044

• Języki publikacji: EN

Abstrakty

EN

Contact of random machined two-process steel textures with a smooth, flat steel surface is discussed in this paper. Two-process surfaces were machined by vapour blasting followed by lapping. An elastic-plastic contact model was applied, assuming distributed radius of asperities. Calculation procedures allowed the mean surface separation, contact pressure, and area fraction to be computed as functions of sampling intervals. Parameters characterizing the summits important in contact mechanics were calculated for different sampling intervals. Plasticity index of two-process textures was calculated using the modified procedure. It was found that the influence of sampling interval on normal contact depended on the rough surface ability to plastic deformation. The use of a traditional method of calculation overestimated the plasticity index. Peaks from plateau surface region governed contact characteristics of two-process surfaces.

Słowa kluczowe

EN

two-process surface; contact; sampling interval

PL

powierzchnia dwufazowa; kontakt; okres próbkowania

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2017
• Tom: Vol. 65, nr 3
• Strony: 391--398
• Opis fizyczny: Bibliogr. 47 poz., rys., wykr., tab.

Twórcy

autor

Pawlus P.

• Rzeszów University of Technology, 8 Powstańcow Warszawy St., 35-959 Rzeszów

autor

Reizer R.

• University of Rzeszow, Center for Innovative Technologies, 16C Rejtana St., 35-959 Rzeszów, Poland

autor

Wieczorowski M.

• Poznań University of Technology, 5 Marii Skłodowskiej-Curie Sq., 60-965 Poznań, Poland

autor

Żelasko W.

• Group of Technical Schools, 67 Adama Mickiewicza St., 37-300 Leżajsk, Poland

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).