More Sophisticated Thermodynamic Designs of Welds between
Dissimilar Steels

J 2008

More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels

SOPOUŠEK, Jiří a Rudolf FORET

Základní údaje

Originální název

More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels

Název česky

Termodynamicky kvalifikovanější návrhy svarů mezi odlišnými ocelemi

Autoři

SOPOUŠEK, Jiří (203 Česká republika, garant) a Rudolf FORET (203 Česká republika)

Vydání

Science and Technology of Welding and Joining, HUDSON RD, LEEDS LS9 7DL, ENGLAND, MANEY PUBLISHING, 2008, 1362-1718

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10403 Physical chemistry

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

web of sci

Impakt faktor

Impact factor: 1.426

Kód RIV

RIV/00216224:14330/08:00027505

Organizační jednotka

Fakulta informatiky

UT WoS

000256264700003

Klíčová slova anglicky

Joint; DICTRA; carbon profile; simulation; activity

Štítky

activity, carbon profile, DICTRA, Joint, simulation

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 19. 1. 2009 13:27, Mgr. Lucie Vařechová

Anotace

ORIG CZ

V originále

In the paper, steels are studied that are mostly used in technical practice as base materials, filler metals, and consumable electrodes in the design of dissimilar weld joints. These steels differ mainly in the content of Cr, Mo, V, W, and N. It is explained and emphasized in the paper that the effect cannot be underrated of thermodynamics, diffusion and phase transformations on the stability of dissimilar weld joints that are exposed to temperatures of over ca. 500degC during operation. For all the materials under study the carbon activity at 600degC is given as calculated by the CALPHAD method, and a correlation is shown to exist between the carbon activity and the total chromium content. This correlation can be used as a most general alternative in the selection of filler metals or consumable electrodes in the design of dissimilar weld joints. The primary goal of the paper is, however, to present a more sophisticated alternative based on a mutual comparison of the temperature dependence of the carbon activities of the base alloys, filler metals and consumable electrodes under consideration. This alternative is suitable for routine engineering purposes. Attention is also drawn to the currently most advanced alternative, which enables predicting the redistribution of elements and phases after prolonged exposure.

Česky

Zásady termodynamicky kvalifikovanějšího návrhování svarů mezi inženýrsky používanými ocelemi s odlišným chemickým složením na základě teplotních závislostí aktivit uhlíku.

Návaznosti

MSM0021622410, záměr

Název: Fyzikální a chemické vlastnosti pokročilých materiálů a struktur

Investor: Ministerstvo školství, mládeže a tělovýchovy ČR, Fyzikální a chemické vlastnosti pokročilých materiálů a struktur

Citovat

SOPOUŠEK, Jiří a Rudolf FORET. More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels. Science and Technology of Welding and Joining. HUDSON RD, LEEDS LS9 7DL, ENGLAND: MANEY PUBLISHING, 2008, roč. 13, č. 1, s. 17-24. ISSN 1362-1718.

@article{815050,
   author = {Sopoušek, Jiří and Foret, Rudolf},
   article_location = {HUDSON RD, LEEDS LS9 7DL, ENGLAND},
   article_number = {1},
   keywords = {Joint; DICTRA; carbon profile; simulation; activity},
   language = {eng},
   issn = {1362-1718},
   journal = {Science and Technology of Welding and Joining},
   title = {More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels},
   url = {http://isi10.isiknowledge.com/portal.cgi?DestApp=WOS&Func=Frame},
   volume = {13},
   year = {2008}
}

TY  - JOUR
ID  - 815050
AU  - Sopoušek, Jiří - Foret, Rudolf
PY  - 2008
TI  - More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels
JF  - Science and Technology of Welding and Joining
VL  - 13
IS  - 1
SP  - 17-24
EP  - 17-24
PB  - MANEY PUBLISHING
SN  - 13621718
KW  - Joint
KW  - DICTRA
KW  - carbon profile
KW  - simulation
KW  - activity
UR  - http://isi10.isiknowledge.com/portal.cgi?DestApp=WOS&Func=Frame
N2  - In the paper, steels are studied that are mostly used in technical practice as base materials, filler metals, and consumable electrodes in the design of dissimilar weld joints. These steels differ mainly in the content of Cr, Mo, V, W, and N. It is explained and emphasized in the paper that the effect cannot be underrated of thermodynamics, diffusion and phase transformations on the stability of dissimilar weld joints that are exposed to temperatures of over ca. 500degC during operation. For all the materials under study the carbon activity at 600degC is given as calculated by the CALPHAD method, and a correlation is shown to exist between the carbon activity and the total chromium content. This correlation can be used as a most general alternative in the selection of filler metals or consumable electrodes in the design of dissimilar weld joints. The primary goal of the paper is, however, to present a more sophisticated alternative based on a mutual comparison of the temperature dependence of the carbon activities of the base alloys, filler metals and consumable electrodes under consideration. This alternative is suitable for routine engineering purposes. Attention is also drawn to the currently most advanced alternative, which enables predicting the redistribution of elements and phases after prolonged exposure.
ER  -

SOPOUŠEK, Jiří a Rudolf FORET. More Sophisticated Thermodynamic Designs of Welds between Dissimilar Steels. \textit{Science and Technology of Welding and Joining}. HUDSON RD, LEEDS LS9 7DL, ENGLAND: MANEY PUBLISHING, 2008, roč.~13, č.~1, s.~17-24. ISSN~1362-1718.

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