"61-65" . "[7DC5266D09C0]" . "419126" . "2"^^ . . . "978-80-02-01963-3" . "\u010Cl\u00E1nek je zam\u011B\u0159en na studium vlivu c\u00EDlen\u00E9 modifikace topografie t\u0159ec\u00EDch povrch\u016F na utv\u00E1\u0159en\u00ED mazac\u00EDch film\u016F v bodov\u00FDch kontaktech s kluzn\u011B/valiv\u00FDm t\u0159en\u00EDm. T\u0159ec\u00ED povrchy n\u011Bkter\u00FDch strojn\u00EDch \u010D\u00E1st\u00ED (p\u00EDst\u016F spalovac\u00EDch motor\u016F, valiv\u00FDch a kluzn\u00FDch veden\u00ED a pod.) jsou v sou\u010Dasn\u00E9 dob\u011B opat\u0159ov\u00E1ny soustavou mikrodutin s c\u00EDlem vytvo\u0159it podm\u00EDnky, p\u0159i kter\u00FDch je vytv\u00E1\u0159en \u00FA\u010Dinn\u011Bj\u0161\u00ED mazac\u00ED film odd\u011Bluj\u00EDc\u00ED t\u0159ec\u00ED povrchy. V p\u0159\u00EDpad\u011B maz\u00E1n\u00ED nekonformn\u011B zak\u0159iven\u00FDch t\u0159ec\u00EDch povrch\u016F je v\u0161ak vyu\u017Eit\u00ED c\u00EDlen\u00E9 modifikace topografie t\u0159ec\u00EDch povrch\u016F st\u00E1le p\u0159edm\u011Btem v\u00FDzkumu. Pou\u017Eit\u00ED kolorimetrick\u00E9 interferometrie umo\u017Enilo studovat vliv takov\u00FDchto modifikac\u00ED povrchu na rozlo\u017Een\u00ED tlou\u0161\u0165ky mazac\u00EDho filmu ve styku nekonformn\u011B zak\u0159iven\u00FDch t\u011Bles p\u0159i zohledn\u011Bn\u00ED veli-kosti a rozm\u00EDst\u011Bn\u00ED mikrodutin. Sou\u010Dasn\u011B byl studov\u00E1n i jejich vliv na zv\u00FD\u0161en\u00ED nebezpe\u010D\u00ED \u00FAnavov\u00E9ho po\u0161kozo-v\u00E1n\u00ED t\u0159ec\u00EDch povrch\u016F. Na z\u00E1klad\u011B z\u00EDskan\u00FDch v\u00FDsled"@cs . . . "2"^^ . . "Sborn\u00EDk 10. mezin\u00E1rodn\u00ED konference Tribotechnika v teorii a praxi" . "Vliv c\u00EDlen\u00E9 modifikace topografie t\u0159ec\u00EDch povrch\u016F na mazan\u00FD kontakt"@cs . "Effect of surface texturing on lubricated contact behaviour" . "K\u0159upka, Ivan" . "Hartl, Martin" . . "Various micro-features were produced on rubbing surfaces to observe the effect of their shape on film thick-ness formation under rolling/sliding conditions. It was observed that the presence of deep micro-dents within lubricated contact results in film thickness reduction downstream for positive slide-to-roll ratio when the disc is moving faster than the micro-textured ball. As the depth of micro-dents is reduced this effect diminishes and mostly beneficial effect of micro-dents on film thickness formation has been observed. In case of nega-tive slide-to-roll conditions when the disc is moving slower than the micro-textured ball an increase in film thickness upstream is the predominant feature. Both transversely and longitudinally oriented grooves, even being very shallow, caused significant film thickness reduction. The size (diameter) of micro-features is also an important parameter that must be well balanced to achieve film thickness beneficial effect on film thick-ness. Larger micro-feature can s" . . "RIV/00216305:26210/07:PU69283" . "5"^^ . "film thickness, lubrication"@en . . "26210" . "Vliv c\u00EDlen\u00E9 modifikace topografie t\u0159ec\u00EDch povrch\u016F na mazan\u00FD kontakt"@cs . "P(GA101/05/0520)" . "2007-10-16+02:00"^^ . "Various micro-features were produced on rubbing surfaces to observe the effect of their shape on film thick-ness formation under rolling/sliding conditions. It was observed that the presence of deep micro-dents within lubricated contact results in film thickness reduction downstream for positive slide-to-roll ratio when the disc is moving faster than the micro-textured ball. As the depth of micro-dents is reduced this effect diminishes and mostly beneficial effect of micro-dents on film thickness formation has been observed. In case of nega-tive slide-to-roll conditions when the disc is moving slower than the micro-textured ball an increase in film thickness upstream is the predominant feature. Both transversely and longitudinally oriented grooves, even being very shallow, caused significant film thickness reduction. The size (diameter) of micro-features is also an important parameter that must be well balanced to achieve film thickness beneficial effect on film thick-ness. Larger micro-feature can s"@en . . "Praha" . "Praha" . "Effect of surface texturing on lubricated contact behaviour"@en . "Effect of surface texturing on lubricated contact behaviour"@en . . . . "Effect of surface texturing on lubricated contact behaviour" . . . "\u010Cesk\u00E1 strojnick\u00E1 spole\u010Dnost" . . . "RIV/00216305:26210/07:PU69283!RIV08-GA0-26210___" .