. "Hardening of low-alloy creep resistant steels welds at work temperatures"@en . . "Vytvrzov\u00E1n\u00ED svarov\u00FDch spoj\u016F n\u00EDzkolegovan\u00FDch \u017E\u00E1ropevn\u00FDch ocel\u00ED p\u0159i provozn\u00EDch teplot\u00E1ch" . "5"^^ . "This paper deals with hardening of welded joints of 15 128, T23 and T24 steels during long term exposure in the temperature range 400 - 500 \u00B0C. Observed hardening is related to secondary precipitation of dispersion particles. There were identified MX particles within 15 128 steel. Interparticle spacing and size of MX particles was measured. Extend of secondary hardening depends on application of T23 and T24 welds tempering. Not tempered welded joints show an unallowable increase of hardness during exposure at working temperature."@en . "1"^^ . "216-220" . . . . "0"^^ . "Brno" . "2"^^ . "0"^^ . "T23, T24, 15 128 steels, low-alloy creep resistant steels, secondary hardening, MX particles, hardness measurement, interparticle spacing"@en . . . . "27230" . . "RIV/61989100:27230/03:00008207" . . . . "634395" . . "Hardening of low-alloy creep resistant steels welds at work temperatures"@en . "Mohyla, Petr" . "P(LN00B029)" . . "Juniormat 03" . "Vytvrzov\u00E1n\u00ED svarov\u00FDch spoj\u016F n\u00EDzkolegovan\u00FDch \u017E\u00E1ropevn\u00FDch ocel\u00ED p\u0159i provozn\u00EDch teplot\u00E1ch"@cs . . "2003-09-23+02:00"^^ . . "Vytvrzov\u00E1n\u00ED svarov\u00FDch spoj\u016F n\u00EDzkolegovan\u00FDch \u017E\u00E1ropevn\u00FDch ocel\u00ED p\u0159i provozn\u00EDch teplot\u00E1ch" . . "VUT Brno" . . . . "Foldyna, V." . . "Tato p\u0159edn\u00E1\u0161ka se zab\u00FDv\u00E1 vytvrzov\u00E1n\u00EDm svarov\u00FDch spoj\u016F ocel\u00ED 15 128, T23 a T24 b\u011Bhem dlouhodob\u00E9 expozice p\u0159i teplot\u00E1ch 400 a\u017E 500 \u00B0C. Pozorovan\u00E9 vytvrzen\u00ED je d\u00E1no sekund\u00E1rn\u00ED precipitac\u00ED disperzn\u00EDch \u010D\u00E1stic. U oceli 15 128 byly identifikov\u00E1ny \u010D\u00E1stice MX. Pomoc\u00ED obrazov\u00E9 anal\u00FDzy byla zm\u011B\u0159ena st\u0159edn\u00ED velikost \u010D\u00E1stic MX a jejich st\u0159edn\u00ED vz\u00E1jemn\u00E1 vzd\u00E1lenost. Rozsah sekund\u00E1rn\u00EDho vytvrzen\u00ED z\u00E1vis\u00ED u svarov\u00FDch spoj\u016F ocel\u00ED T23 a T24 na aplikaci popou\u0161t\u011Bn\u00ED po sva\u0159ov\u00E1n\u00ED. U nepopu\u0161t\u011Bn\u00FDch svarov\u00FDch spoj\u016F doch\u00E1z\u00ED k nep\u0159\u00EDpustn\u00E9mu zv\u00FD\u0161en\u00ED tvrdosti v pr\u016Fb\u011Bhu expozice p\u0159i provozn\u00ED teplot\u011B." . "RIV/61989100:27230/03:00008207!RIV/2004/MSM/272304/N" . "80-214-2462-1" . "[D485470EA665]" . "Vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Brn\u011B" . "Vytvrzov\u00E1n\u00ED svarov\u00FDch spoj\u016F n\u00EDzkolegovan\u00FDch \u017E\u00E1ropevn\u00FDch ocel\u00ED p\u0159i provozn\u00EDch teplot\u00E1ch"@cs .