2009
Analysis of realistic heterogeneous welds of heat resistant steels by means of experimental and computational techniques
HODIS, Zdeněk, Vít JAN, Jiří SOPOUŠEK a Rudolf FORETZákladní údaje
Originální název
Analysis of realistic heterogeneous welds of heat resistant steels by means of experimental and computational techniques
Název česky
Analýza reálných heterogenních svarů žáropevných ocelí pomocí experimentálních a výpočtových technik
Název anglicky
Analysis of realistic heterogeneous welds of heat resistant steels by means of experimental and computational techniques
Autoři
HODIS, Zdeněk (203 Česká republika, garant), Vít JAN (203 Česká republika), Jiří SOPOUŠEK (203 Česká republika, domácí) a Rudolf FORET (203 Česká republika)
Vydání
CALPHAD XXXVIII (May 17-22, 2009), 2009
Další údaje
Jazyk
čeština
Typ výsledku
Konferenční abstrakt
Obor
10403 Physical chemistry
Stát vydavatele
Slovensko
Utajení
není předmětem státního či obchodního tajemství
Kód RIV
RIV/00216224:14310/09:00051150
Organizační jednotka
Přírodovědecká fakulta
Klíčová slova česky
CALPHAD; svar; fázové diagramy
Klíčová slova anglicky
CALPHAD; weld; phase diagram
Štítky
Příznaky
Mezinárodní význam
Změněno: 7. 2. 2012 09:10, prof. RNDr. Jiří Sopoušek, CSc.
V originále
Two alternative composite welds were manufactured by GTAW technology according to standard technological procedures. The welds connected two base materials with different chromium content using high chromium intermediate layer and low alloyed main weld consumable material. Experimental analysis was carried out on weld samples after PWHT and on samples annealed up to 1000 hours at 650stC. Microhardness and chemical profiles of interstitial and substitutional elements across all weld interfaces in the samples were measured. Phase diagrams, activity values for diffusing elemnts for all materials used in the welds were calculated by ThermoCalc using Steel16 database. Phase and chemical profiles for all interfaces in the welds after heat treatment and annealing were also calculated using DICTRA and Steel16 and Dif databases. Non-linear starting chemical profiles were used for the kinetic simulations to modell the mixing during realistic welding. The results of the simulations agree well with all experimental results.
Anglicky
Two alternative composite welds were manufactured by GTAW technology according to standard technological procedures. The welds connected two base materials with different chromium content using high chromium intermediate layer and low alloyed main weld consumable material. Experimental analysis was carried out on weld samples after PWHT and on samples annealed up to 1000 hours at 650stC. Microhardness and chemical profiles of interstitial and substitutional elements across all weld interfaces in the samples were measured. Phase diagrams, activity values for diffusing elemnts for all materials used in the welds were calculated by ThermoCalc using Steel16 database. Phase and chemical profiles for all interfaces in the welds after heat treatment and annealing were also calculated using DICTRA and Steel16 and Dif databases. Non-linear starting chemical profiles were used for the kinetic simulations to modell the mixing during realistic welding. The results of the simulations agree well with all experimental results.
Návaznosti
| MSM0021622410, záměr |
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