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- 1Characterisation
- 1Creep Behavior
- 1Grade 91 Steel
- 1Heat Affected Zone
- 1Micro-structure
- 1Type IV Cracking
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Spring 2018
Grade 91 steel is one of the most important 9-12% Cr creep strength enhanced ferritic (CSEF) steels used in fossil-fuel fired power plants. A narrow heat-affected zone with heterogeneous structures is generated in the base metal, due to non-equilibrium phase transformations during the arc welding...
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