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September 5, 2025Diagnostics Resource and Mechanics of materials and structuresOpen Access

Features of assessing the service life of furnace tubes of high-pressure boilers with regard for operation-induced heterogeneity

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Authors

NGN. Yu. GurkinaANAleksandra NechaevaVSV. V. Shalagaev

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Overview

Observational analysis reveals the impact of sample cutting location on boiler tube yield strength and lifespan.

Key Points

  • Predicted residual life of heating surface tubes varies significantly based on sample cutting position, affecting reliability.
  • Cutting samples from non-fire tube sides introduces uncertainty, undermining current assessment standards and leading to potentially flawed outcomes.
  • Hydrogen embrittlement is linked to low yield strength at operating temperatures, confirmed through metallographic examinations.
  • Non-standard testing methods reveal actual allowable stress values, improving predictions of boiler tube service life in operational conditions.

Cite This Study

Gurkina et al. (2025) studied this question.

synapsesocial.com/papers/68bb49d26d6d5674bcd000a0https://doi.org/10.17804/2410-9908.2025.1.057-070
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