"Svratka" . . "P(FT-TA/091), P(IAA200710604), Z(AV0Z20710524)" . "6"^^ . "Vliv p\u0159et\u00ED\u017Een\u00ED potrub\u00ED na jeho lomovou hou\u017Eevnatost v z\u00E1vislosti na pevnostn\u00EDm stupni oceli"@cs . "Vliv p\u0159et\u00ED\u017Een\u00ED potrub\u00ED na jeho lomovou hou\u017Eevnatost v z\u00E1vislosti na pevnostn\u00EDm stupni oceli"@cs . . . . . "pipes; toughness; fatigue of material"@en . . "358;359" . "\u00DAstav teoretick\u00E9 a aplikovan\u00E9 mechaniky AV \u010CR" . . . "Vliv p\u0159et\u00ED\u017Een\u00ED potrub\u00ED na jeho lomovou hou\u017Eevnatost v z\u00E1vislosti na pevnostn\u00EDm stupni oceli" . "Vliv p\u0159et\u00ED\u017Een\u00ED potrub\u00ED na jeho lomovou hou\u017Eevnatost v z\u00E1vislosti na pevnostn\u00EDm stupni oceli" . . "Praha" . "2006-05-15+02:00"^^ . . "506679" . "Odpor materi\u00E1lu v\u016F\u010Di lomu je vlastnost\u00ED, kter\u00E1 ur\u010Duje \u00FArove\u0148 tolerance eventu\u00E1ln\u00EDch defekt\u016F v tlakem zat\u00ED\u017Een\u00E9m potrub\u00ED. Tento odpor vyjad\u0159ujeme kritickou hodnotou efektivn\u00EDho lomov\u00E9ho parametru \u0159\u00EDd\u00EDc\u00EDho lomov\u00FD proces t\u011Blesa. Vzhledem k tomu, \u017Ee pro v\u00FDrobu tenkost\u011Bnn\u00FDch spir\u00E1ln\u011B sva\u0159ovan\u00FDch trub, kter\u00E9 byly p\u0159edm\u011Btem na\u0161eho v\u00FDzkumu, se pou\u017E\u00EDvaj\u00ED materi\u00E1ly, kter\u00E9 vykazuj\u00ED dobr\u00E9 plastick\u00E9 vlastnosti a v okam\u017Eiku jejich lomu doch\u00E1z\u00ED k velk\u00E9 plastick\u00E9 deformaci p\u0159ed \u010Delem trhliny, je vhodn\u00FDm elasto-plastick\u00FDm lomov\u00FDm parametrem Rice-\u016Fv k\u0159ivkov\u00FD J integr\u00E1l." . "RIV/68378297:_____/06:00044576!RIV07-AV0-68378297" . . "\u0160perl, Martin" . "RIV/68378297:_____/06:00044576" . . . . . "Odpor materi\u00E1lu v\u016F\u010Di lomu je vlastnost\u00ED, kter\u00E1 ur\u010Duje \u00FArove\u0148 tolerance eventu\u00E1ln\u00EDch defekt\u016F v tlakem zat\u00ED\u017Een\u00E9m potrub\u00ED. Tento odpor vyjad\u0159ujeme kritickou hodnotou efektivn\u00EDho lomov\u00E9ho parametru \u0159\u00EDd\u00EDc\u00EDho lomov\u00FD proces t\u011Blesa. Vzhledem k tomu, \u017Ee pro v\u00FDrobu tenkost\u011Bnn\u00FDch spir\u00E1ln\u011B sva\u0159ovan\u00FDch trub, kter\u00E9 byly p\u0159edm\u011Btem na\u0161eho v\u00FDzkumu, se pou\u017E\u00EDvaj\u00ED materi\u00E1ly, kter\u00E9 vykazuj\u00ED dobr\u00E9 plastick\u00E9 vlastnosti a v okam\u017Eiku jejich lomu doch\u00E1z\u00ED k velk\u00E9 plastick\u00E9 deformaci p\u0159ed \u010Delem trhliny, je vhodn\u00FDm elasto-plastick\u00FDm lomov\u00FDm parametrem Rice-\u016Fv k\u0159ivkov\u00FD J integr\u00E1l."@cs . "[4100CA201F3B]" . "80-86246-27-2" . "The Effect of Overloading of Pipes on their Fracture Toughness in Relation to the Strength Grade of Steel"@en . "2"^^ . . "Gajdo\u0161, Lubom\u00EDr" . "The Effect of Overloading of Pipes on their Fracture Toughness in Relation to the Strength Grade of Steel"@en . . "2"^^ . . . "The present experimental results showed a very positive effect of a controlled overloading of a pipeline on its fracture toughness. These results have been referred to steels of the class L360MB and L415MB. However, more recent results obtained on L450MB steel indicated that the positive effect of oveloading is reduced as the strength properties of steels are increased. It follows from this that the final technological operation of overloading of pipes made from steels of an increased strength could be let out from the pipe manufacture scheme. The paper presents experimental results which prove by evidence a decreasing positive effect of overloading on the fracture toughness of steels of high strength properties."@en . "Engineering Mechanics 2006 : national conference with international participation : book of extended abstracts" . .