"fatigue crack growth curve; NASGRO equation; stress intensity factor; threshold value; critical value of stress intensity factor"@en . "RIV/60162694:G43__/06:#0000346!RIV07-MO0-G43_____" . . . "\u00DAstav fyziky materi\u00E1l\u016F AV \u010CR" . "Popis k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin: srovn\u00E1n\u00ED rovnice NASGRO a nov\u00E9 rovnice"@cs . . . "Na konkr\u00E9tn\u00EDch p\u0159\u00EDkladech k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin jsou srovn\u00E1ny rovnice NASGRO a nov\u011B navr\u017Een\u00E1 rovnice. Hlavn\u00ED p\u0159ednost\u00ED nov\u00E9 rovnice je p\u0159esn\u011Bj\u0161\u00ED popis v ohybech k\u0159ivky, proto tak\u00E9 d\u00E1v\u00E1 p\u0159esn\u011Bj\u0161\u00ED extrapolovan\u00E9 hodnoty, tj. prahovou hodnotu rozkmitu faktoru intenzity nap\u011Bt\u00ED a kritickou hodnotu faktoru intenzity nap\u011Bt\u00ED. Diskutov\u00E1na je i z\u00E1m\u011Bna prom\u011Bnn\u00FDch p\u0159i regresi, kter\u00E1 m\u016F\u017Ee b\u00FDt velmi u\u017Eite\u010Dn\u00E1 pr\u00E1v\u011B v okol\u00ED prahov\u00E9 hodnoty." . "7"^^ . "97-103" . "2"^^ . "Popis k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin: srovn\u00E1n\u00ED rovnice NASGRO a nov\u00E9 rovnice" . "The NASGRO equation and a newly proposed equation are compared for real examples of fatigue crack growth curves. The main advantage of the new equation consists in more precise description of curve bends which leads to more precise extrapolated values, i.e. to threshold value of stress intensity factor range and to critical value of stress intensity factor. Also exchange of variables in regression is discussed which can be very useful just in the vicinity of threshold value."@en . "Sborn\u00EDk semin\u00E1\u0159e \u017Divotnost materi\u00E1l\u016F a konstrukc\u00ED" . "Description of fatigue crack growth curves: comparison of NASGRO equation and new equation"@en . . "Popis k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin: srovn\u00E1n\u00ED rovnice NASGRO a nov\u00E9 rovnice"@cs . "1"^^ . . . . . . "Popis k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin: srovn\u00E1n\u00ED rovnice NASGRO a nov\u00E9 rovnice" . "492936" . . "80-239-6751-7" . . . "V\u011Bchet, Stanislav" . . "2006-03-21+01:00"^^ . . "G43" . . . . "Description of fatigue crack growth curves: comparison of NASGRO equation and new equation"@en . "[243A84414718]" . "Kohout, Jan" . "Z(MO0FVT0000404)" . "Brno" . "Brno" . "Na konkr\u00E9tn\u00EDch p\u0159\u00EDkladech k\u0159ivek \u0161\u00ED\u0159en\u00ED \u00FAnavov\u00FDch trhlin jsou srovn\u00E1ny rovnice NASGRO a nov\u011B navr\u017Een\u00E1 rovnice. Hlavn\u00ED p\u0159ednost\u00ED nov\u00E9 rovnice je p\u0159esn\u011Bj\u0161\u00ED popis v ohybech k\u0159ivky, proto tak\u00E9 d\u00E1v\u00E1 p\u0159esn\u011Bj\u0161\u00ED extrapolovan\u00E9 hodnoty, tj. prahovou hodnotu rozkmitu faktoru intenzity nap\u011Bt\u00ED a kritickou hodnotu faktoru intenzity nap\u011Bt\u00ED. Diskutov\u00E1na je i z\u00E1m\u011Bna prom\u011Bnn\u00FDch p\u0159i regresi, kter\u00E1 m\u016F\u017Ee b\u00FDt velmi u\u017Eite\u010Dn\u00E1 pr\u00E1v\u011B v okol\u00ED prahov\u00E9 hodnoty."@cs . "RIV/60162694:G43__/06:#0000346" .