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  4. Microstructure and tensile properties of ODS ferritic steels mechanically alloyed with Fe 2 Y
 
research article

Microstructure and tensile properties of ODS ferritic steels mechanically alloyed with Fe 2 Y

Macías-Delgado, J.
•
Leguey, T.
•
De Castro, V.
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2016
Nuclear Materials and Energy

An oxide dispersion strengthened ODS ferritic steel has been produced by mechanical alloying of Fe–14Cr–2W–0.2Ti (wt.%) prealloyed powder with 0.55 (wt.%) Fe2Y intermetallic particles and consolidated by hot isostatic pressing. The microstructure after thermal treatments confirms the homogeneous precipitation of Y-Ti oxides with nanometric sizes. Tensile properties as a function of the testing temperature from room temperature to 973 K have been measured and the results are discussed with respect to similar ODS ferritic steels fabricated by a powder metallurgy route using Y2O3 powder.

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