Саноатда рақамли технологиялар Том 3 № 4 (2025) · с. 129-134

HIGH-TEMPERATURE HYDROGEN ATTACK (HTHA) IN CARBON STEELS, MICROSTRUCTURAL DEGRADATION, DAMAGE MECHANISM, AND TECHNOLOGICAL PREVENTION METHODS

Azimov, Salohiddin Turamuradovich, Rakhimov, Ganisher Bakhtiyorovich, Азимов, Салохиддин Турамурадович, Рахимов, Ганишер Бахтиёрович, Azimov, Salohiddin Turamuradovich, Raximov, G‘anisher Baxtiyorovich

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Аннотация

High-Temperature Hydrogen Attack (HTHA) is a critical degradation phenomenon that significantly reduces the service life of carbon and low-alloy steels widely used in the oil and gas, chemical, and power industries. This paper provides a comprehensive analysis of the HTHA mechanism, susceptible materials, microstructural changes, and its occurrence in welds and heat-affected zones. Based on international standards such as ASME RP 941, API RP 571, and others, safe operating limits, material selection strategies, and the effectiveness of modern non-destructive examination (NDE) methods are discussed. The study also examines the role of alloying elements, the application of post-weld heat treatment (PWHT), and cladding technologies in improving metallurgical compatibility. The findings have been used to develop practical recommendations for early detection and prevention of HTHA in industrial equipment.

HTHAhydrogenhigh temperaturecarbon steelweldingmicrostructural degradationmetallurgical incompatibilityRP 941HTHAводород

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APA 7 
Azimov, Salohiddin Turamuradovich, Rakhimov, Ganisher Bakhtiyorovich, Азимов, Салохиддин Турамурадович, Рахимов, Ганишер Бахтиёрович, Azimov, Salohiddin Turamuradovich & Raximov, G‘anisher Baxtiyorovich (2025). HIGH-TEMPERATURE HYDROGEN ATTACK (HTHA) IN CARBON STEELS, MICROSTRUCTURAL DEGRADATION, DAMAGE MECHANISM, AND TECHNOLOGICAL PREVENTION METHODS. Саноатда рақамли технологиялар, 3(4), 129-134.
GOST R 7.0.5 
Azimov, Salohiddin Turamuradovich, Rakhimov, Ganisher Bakhtiyorovich, Азимов, Салохиддин Турамурадович, Рахимов, Ганишер Бахтиёрович, Azimov, Salohiddin Turamuradovich, Raximov, G‘anisher Baxtiyorovich HIGH-TEMPERATURE HYDROGEN ATTACK (HTHA) IN CARBON STEELS, MICROSTRUCTURAL DEGRADATION, DAMAGE MECHANISM, AND TECHNOLOGICAL PREVENTION METHODS // Саноатда рақамли технологиялар. 2025. Т. 3. № 4. С. 129-134.
BibTeX 
@article{turamuradovich2025,
  author  = {Azimov, Salohiddin Turamuradovich and Rakhimov, Ganisher Bakhtiyorovich and Азимов, Салохиддин Турамурадович and Рахимов, Ганишер Бахтиёрович and Azimov, Salohiddin Turamuradovich and Raximov, G‘anisher Baxtiyorovich},
  title   = {HIGH-TEMPERATURE HYDROGEN ATTACK (HTHA) IN CARBON STEELS, MICROSTRUCTURAL DEGRADATION, DAMAGE MECHANISM, AND TECHNOLOGICAL PREVENTION METHODS},
  journal = {Саноатда рақамли технологиялар},
  year    = {2025},
  volume  = {3},
  number  = {4},
  pages   = {129-134}
}
RIS 
TY  - JOUR
AU  - Azimov, Salohiddin Turamuradovich
AU  - Rakhimov, Ganisher Bakhtiyorovich
AU  - Азимов, Салохиддин Турамурадович
AU  - Рахимов, Ганишер Бахтиёрович
AU  - Azimov, Salohiddin Turamuradovich
AU  - Raximov, G‘anisher Baxtiyorovich
TI  - HIGH-TEMPERATURE HYDROGEN ATTACK (HTHA) IN CARBON STEELS, MICROSTRUCTURAL DEGRADATION, DAMAGE MECHANISM, AND TECHNOLOGICAL PREVENTION METHODS
JO  - Саноатда рақамли технологиялар
PY  - 2025
VL  - 3
IS  - 4
SP  - 129
EP  - 134
ER  -