Indian Welding Journal

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Design of Creep-Resistant Ferritic-Steel Welding Alloys


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1 University of Cambridge, Department of Materials Science and Metallurgy Pembroke Street, Cambridge CB2 3QZ, United Kingdom
     

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Ferritic steels have relatively low thermal expansion coefficients and can be alloyed to resist creep and oxidation during prolonged service at temperatures which can exceed 600°C. Their use in the construction of power plant places severe demands on welding alloys. The acceptability of a weld metal depends not only on the mechanical properties, but also on the ability of the welded joint to be heat-treated in a manner which is compatible with the parent materials.
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  • Design of Creep-Resistant Ferritic-Steel Welding Alloys

Abstract Views: 352  |  PDF Views: 6

Authors

H. K. D. H. Bhadeshia
University of Cambridge, Department of Materials Science and Metallurgy Pembroke Street, Cambridge CB2 3QZ, United Kingdom

Abstract


Ferritic steels have relatively low thermal expansion coefficients and can be alloyed to resist creep and oxidation during prolonged service at temperatures which can exceed 600°C. Their use in the construction of power plant places severe demands on welding alloys. The acceptability of a weld metal depends not only on the mechanical properties, but also on the ability of the welded joint to be heat-treated in a manner which is compatible with the parent materials.