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Tensile and creep properties of the experimental oxide dispersion strengthened iron-base sheet alloy MA-956E at 1365 K

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Abstract

A study of the 1365 K tensile properties, creep characteristics and residual room temperature properties after creep testing of the experimental oxide dispersion strengthened iron-base alloy MA-956E (Fe-20Cr-4.5Al-0.5Ti-0.5Y2O3) was conducted. The 1365 K tensile properties, particularly ductility, are strongly dependent on strain rate. It appears that MA-956E does not easily undergo slow plastic deformation. Rather than deform under creep loading conditions, the alloy apparently fails by a crack nucleation and growth mechanism. Fortunately, there appears to be a threshold stress below which crack nucleation andJor growth does not occur.

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Authors and Affiliations

  1. NASA-Lewis Research Center, 21000 Brookpark Road, 44135, Cleveland, OH

    J. Daniel Whittenberger (Materials Engineer)

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  1. J. Daniel Whittenberger
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Whittenberger, J.D. Tensile and creep properties of the experimental oxide dispersion strengthened iron-base sheet alloy MA-956E at 1365 K. Metall Trans A 9, 101–110 (1978). https://doi.org/10.1007/BF02647178

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  • DOI: https://doi.org/10.1007/BF02647178

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