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March 15, 2026Journal of the Japan Institute of Metals and Materials0 citationsOpen Access

Quantitative Evaluation of Strain Rate Change during Creep and Relationship between Extrapolated Life to Failure and Monkman Grant Constant

HSHiroyuki SatoHKHiroshi KamiyaTMT. Mineta

Key Points

  • The aim is to evaluate how strain rate changes during creep are related to the time until material failure.
  • Conducted quantitative measurements of strain rates under various conditions.
  • Estimated time to failure based on measured creep rates.
  • Analyzed the relationship using the Monkman-Grant constant.
  • Found a significant correlation between strain rate changes and estimated failure times.
  • Established the Monkman-Grant constant as a key factor in extrapolating life to failure.

Abstract

Relationship between the estimated time to failure, t f and under different minimum creep rate, .The Monkman-Grant constant is expressed as the function of . 0.

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Cite This Study

Sato et al. (2026) studied this question.

synapsesocial.com/papers/69b64c33b42794e3e660d9eehttps://doi.org/10.2320/jinstmet.j202603
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Estimating the Monkman−Grant relation in the presence of errors in measurement of times to failure and minimum creep rates: with application to some high temperature materials2024
  2. 2The role of primary and tertiary creep in defining the form of the Monkman-Grant relation using the 4-θ methodology: An application to 12Cr-Mo-V-Nb steel2025
  3. 3A comparison of hyperbolic sine creep life equations and data correlation methods for these equations2024 · 3 citations
  4. 4Reliability analysis of creep rupture dataset extrapolation methods for 316H austenitic stainless steel2025
  5. 5Evaluation of Plasticity and Creep Parameters From Tensile Stress–Strain Data for a Range of Strain Rates2026