Modern Problems of Materials Science

Analysis of the Structural and Mechanical State of Heat-Resistant Steel Operated in Steam Turbine Blades

Petro Solovei1, Sofiia Krechkovska2, Diana-Halyna Shabatura2

1. Karpenko Physico-Mechanical Institute of NAS of Ukraine
2. Lviv Polytechnic National University, Ukraine

https://doi.org/10.15407/msse2025.01.123

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Keywords

steel 20Х13, steam turbine blades, structure, mechanical power, fractography

Abstract

The structure and mechanical properties of the steam turbine blade steel were analyzed. It was found that the plasticity characteristics and impact toughness values of operated steel were slightly lower than the regulated ones. The corrosion-active non-metallic inclusions were revealed in the steel structure, increasing the corrosion damage of steel during operation under technological conditions.

References

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