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Small punch tests on steels for steam power plant (II)

Modeling

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Abstract

Analytical formulations using uniaxial tensile stress-strain constitutive behavior have been proposed to model the elastic bending, plastic bending and membrane stretching regimes of small punch load-deflection curves. The equations have been applied on austenitic 12Cr−1Mo steel in the temperature range 25°–600°C and have been verified on ferritic 1Cr–0.5Mo steel at T=25°C. Using these formulations, the room temperature uniaxial tensile stress-strain behavior of the ferritic 2.25Cr−1Mo steel has been determined from the small punch load-deflection response.

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Authors and Affiliations

  1. Power Generation Research Laboratory K. E. P. R. I., Taejon

    Eric Fleury & Jeong Soo Ha

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  1. Eric Fleury
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  2. Jeong Soo Ha
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Fleury, E., Ha, J.S. Small punch tests on steels for steam power plant (II). KSME International Journal 12, 827–835 (1998). https://doi.org/10.1007/BF02945550

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  • DOI: https://doi.org/10.1007/BF02945550

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