Publication detail

Microgroove formation in surface ridges in impact elliptical EHL contacts

KANETA, M. GUO, F. WANG, J. KŘUPKA, I. HARTL, M.

Czech title

Utváření mikrorýh na podélných nerovnostech v eliptických elastohydrodynamických kontaktech při náhlém zatížení

English title

Microgroove formation in surface ridges in impact elliptical EHL contacts

Type

journal article in Web of Science

Language

en

Original abstract

The microgrooves are formed in the surface ridges by local pressure increases caused by impact loading in elliptical elastohydrodynamic contacts. It has been elucidated through isothermal Newtonian numerical analyses that the depth and the distribution of microgrooves are influenced by the height, shape and orientation of the ridges, the initial impact gap, the maximum load and time being exposed to the maximum load. The formation of the microgrooves induced by local high pressures will influence the surface failure of machine elements.

Czech abstract

Mikrorýhy vznikají na podélných nerovnostech třecích povrchů v důsledku místního nárůstu tlaku v mazacím filmu při náhlém zatížení. Bylo ukázáno, že hloubka a rozložení mikrorých je ovlivněna výškou, tvarem a orientací podílných nerovností a dále zatěžovacím průběhem.

English abstract

The microgrooves are formed in the surface ridges by local pressure increases caused by impact loading in elliptical elastohydrodynamic contacts. It has been elucidated through isothermal Newtonian numerical analyses that the depth and the distribution of microgrooves are influenced by the height, shape and orientation of the ridges, the initial impact gap, the maximum load and time being exposed to the maximum load. The formation of the microgrooves induced by local high pressures will influence the surface failure of machine elements.

Keywords in Czech

náhlé zatížení; tvar filmu; tlak

Keywords in English

impact loading; film shape; pressure

RIV year

2014

Released

01.08.2014

Publisher

Wiley

Location

USA

ISSN

0954-0075

Volume

26

Number

5

Pages from–to

283–299

Pages count

17

BIBTEX


@article{BUT111247,
  author="Motohiro {Kaneta} and Ivan {Křupka} and Martin {Hartl},
  title="Microgroove formation in surface ridges in impact elliptical EHL contacts",
  year="2014",
  volume="26",
  number="5",
  month="August",
  pages="283--299",
  publisher="Wiley",
  address="USA",
  issn="0954-0075"
}