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Material Properties

Material Properties

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  3. Can ANSYS Model creep behavior from Larson Miller Parameter data?

Can ANSYS Model creep behavior from Larson Miller Parameter data?

Tagged: 12.1, materials, Mechanical APDL (f. ANSYS), plasticity, structural-mechanics
    • May 15, 2023 at 8:33 am
      SolutionSolution
      Participant

      The Larson-Miller Parameters are derived from a general expression of the Arrhenius Equation. We do not have a creep material model expressed directly in terms of the LMP data, but we do have three expressions for the Arrhenius equation. (TBOPT=2,6 or 13). One could conceivably back calculate the parameters for Arrhenius equation from available LMP data. See attached derivation.

      Attachments:
      1. 2007615.PDF

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