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September 28, 2025Bulletin of the Tomsk Polytechnic University Geo Assets EngineeringOpen Access

Restoration of metal of steam generating boiler tubes after their hydrogen cracking

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Authors

АНА. В. НечаеваUral Institute of MetalsVSV. V. ShalagaevAll-Russian Institute of Plant ProtectionAZAlexander ZavorinNational Research Tomsk State University

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Implication

The analysis reveals that heat treatment improves microstructure and repairs hydrogen embrittlement in boiler tubes.

Key Points

  • The study demonstrates that complex heat treatment can effectively heal hydrogen cracks in boiler tubes, enhancing safety.
  • Using heat treatment, microstructural improvements were noted, including crack coalescence and restoration of ferrite-pearlite microstructure.
  • Methods including optical and scanning microscopy were employed to analyze the chemical composition and hydrogen content.
  • Results indicate the method shows promise for extending the service life of steel 20 tubes in power boilers under operational conditions.

Cite This Study

Нечаева et al. (2025) studied this question.

synapsesocial.com/papers/68d90a0141e1c178a14f6037https://doi.org/10.18799/24131830/2025/9/5205
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