Modelling creep rupture strength of ferritic steel welds

Modelling creep rupture strength of ferritic steel welds

Recent changes in the design of steam turbine power plant have necessitated the replacement of bolted flanges with welded joints. The design process therefore requires a knowledge of the creep rupture strength of the weld metal consumed in the welding process. This paper presents a method which can...

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Veröffentlicht in:Science and technology of welding and joining 2000-04, Vol.5 (2), p.81-89
Hauptverfasser: Cole, D., Martin-Moran, C., Sheard, A.G., Bhadeshia, H.K.D.H., MacKay, D.J.C.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
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Zusammenfassung:Recent changes in the design of steam turbine power plant have necessitated the replacement of bolted flanges with welded joints. The design process therefore requires a knowledge of the creep rupture strength of the weld metal consumed in the welding process. This paper presents a method which can be used to estimate the creep rupture strength of ferritic steel weld metals, from a knowledge of the creep strength of wrought plates. The method is validated using published data.
ISSN:1362-1718
1743-2936
DOI:10.1179/136217100101538065