Influence of the oxidation treatment on the mechanical properties of the MA956 alloy
Keywords:Mechanical properties, Oxide scale, MA956 alloy
The MA956 alloy is a ferritic oxide dispersion strengthened alloy processed by mechanical alloying which exhibits a good high temperature oxidation resistance due to the capability to develop a compact and tightly adherent α-Al2O3 scale by thermal oxidation. The present study deals with the effects of the oxidation treatment (1,100°C/100 h) on its mechanical behavior at room temperature. It has been found that the oxide scale induces a decrease of the flow strength of the MA956/Al2O3 system with respect to that of scale-free specimens. This feature has been related to the formation during the preoxidation treatment of a high density of edge dislocations in a narrow zone of the substrate beneath the scale.
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How to Cite
Chao, J., & Ibáñez, J. (1998). Influence of the oxidation treatment on the mechanical properties of the MA956 alloy. Revista De Metalurgia, 34(Extra), 221–225. https://doi.org/10.3989/revmetalm.1998.v34.iExtra.742
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