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November 30, 2025Fatigue & Fracture of Engineering Materials & StructuresOpen Access

An Improved Continuum Damage Mechanics Model for the Lifetime Prediction of HP40Nb Alloy in the Creep Environment

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Authors

CFCheng-ming FuyangWLWei LiJGJianming Gong

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Overview

This analysis reveals activation energy's role in creep damage of HP40Nb alloy, suggesting better lifespan predictions for furnace tubes.

Key Points

  • Activation energy influences creep damage evolution in HP40Nb alloy, impacting service time prediction.
  • The developed continuum damage mechanics model integrates Ostwald ripening kinetics for precise forecasting.
  • Analysis based on the Kowalewski–Dyson model enhances predictions of rupture time and fracture strain.
  • This approach supports industry standards for predicting longevity in critical steam reformer components.

Cite This Study

Fuyang et al. (2025) studied this question.

synapsesocial.com/papers/692b94581d383f2b2a378e73https://doi.org/10.1111/ffe.70139
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