Improved performance of welded hightemperature steels

Ziel

Metallurgical failures in high temperature power plant are often caused by cracking in the heat affected zones of weldments. The incidence of cracking in the coarse grained region of the heat affected zone has been overcome to some extent by the use of low heat input multipass welding operations. If a steel could be developed which is resistant to grain coarsening and other adverse high temperature effects more economical high heat input welding practices could be used in the fabrication process without the attendant risk of cracking. It has been observed that the avoidance of such cracking may result in cracks forming, over a more extended time scale, in the fine grained heat affected zones. The mechanisms involved in this type of cracking will be examined. Close liaison with the major United Kingdom user of high temperature generating plant will be maintained.

Programm/Programme

ECSC-STEELRES 7C - Medium-term guidelines (ECSC) "technical steel research", 1986-1990

Thema/Themen

F3 - Special and alloy steels

Aufforderung zur Vorschlagseinreichung

Data not available

Finanzierungsplan

Data not available

Koordinator

British Steel plc

EU-Beitrag

Keine Daten

Adresse

Welsh Technology Centre
SA13 2NG Port Talbot
Vereinigtes Königreich

Gesamtkosten