Detail publikace

Structural stability of dissimilar weld joints of steel P91

FORET, R. MILLION, B. SVOBODA, M. STRÁNSKÝ, K.

Anglický název

Structural stability of dissimilar weld joints of steel P91

Typ

Článek recenzovaný mimo WoS a Scopus

Jazyk

en

Originální abstrakt

This paper addresses the issue of C and N redistribution in weld joints of creep-resistant chromium steels. The redistribution of C and N was measured using the wave-dispersive X-ray method. The conditions of the long-term diffusion annealing process were: temperature 575, 625 and 700 oC; time 10, 100, 1 000 and 5 000 hours. It was ascertained that C and N diffused from the low-alloy steels to the high-alloy steel P91. The carbon diffusion coefficients in the individual steels of 15128/P91 and SK3STC/P91 weld joints, the ratio between the thermodynamic activity coefficients of carbon in joints, the diffusion interaction parameters , and their temperature dependencies were estimated from carbon concentration curves. The paper also contains a microstructure analysis of decarburized and carburized zones in the weld joints studied.

Klíčová slova anglicky

structural stabilidy, creep-resistant steels, weld joints, redistribution of C and N

Vydáno

2002-01-01

ISSN

1362-1718

Ročník

6

Číslo

6

Strany od–do

405–

Počet stran

7

BIBTEX


@article{BUT40412,
  author="Rudolf {Foret} and Bořivoj {Milion} and Milan {Svoboda} and Karel {Stránský}",
  title="Structural stability of dissimilar weld joints of steel P91",
  journal="SCIENCE AND TECHNOLOGY OF WELDING AND JOINING",
  year="2002",
  volume="6",
  number="6",
  pages="7",
  issn="1362-1718"
}