Creep Damage in Steam Pipelines and the Use of Metallography in Verifying the Possibilities of Testing

Pavel Mareš; Jana Veselá; Zbyněk Špirit

doi:10.4028/p-tej9vh

Paper Titles

Design of 2D Wave Booster Ultrasonic Vibration-Assisted Cutting Tool in Small Size Surface Machining
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Influence of Processing Technology on Creep Damage of Ultrafine-Grained Titanium
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Effect of Graphite on Residual Lifetime of Superheater Tubes Made of Steel 16Mo3 after Creep Exposure
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Creep Damage in Steam Pipelines and the Use of Metallography in Verifying the Possibilities of Testing
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In Vitro Corrosion Study of Selected Laser Melted WE43 Magnesium Alloy in Hank ́s Balanced Salt Solution
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Effect of Carburizing Helium Environment on Corrosion Behavior of the High-Temperature Alloys for High-Temperature Gas-Cooled Reactor
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Causes of Injection Mould Insert Block Damage
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Analysis of the Causes of Shaft Damage
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 923Creep Damage in Steam Pipelines and the Use of...

Creep Damage in Steam Pipelines and the Use of Metallography in Verifying the Possibilities of Testing

Abstract:

With high operating parameters of the medium in medium-pressure and high-pressure steam pipelines of fossil power plants, creep damage occurs, especially in welded joints leading to complete rupture of the pipe wall in the last phase. Detection of creep damage at an early stage before major cracks may occur can prevent these accidents. For these purposes, phased array ultrasonic testing was performed using a high frequency probe. This testing was performed on real welded joints cut from the power plant. To verify the possibility of detection, metallographic analysis on the tested locations was performed. When comparing the results, it is possible to refine the interpretation of the ultrasonic data and the metallographic results can also be used in the eventual qualification of non-destructive testing.

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Periodical:

Key Engineering Materials (Volume 923)

Pages:

107-112

DOI:

https://doi.org/10.4028/p-tej9vh

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Online since:

June 2022

Authors:

Pavel Mareš*, Jana Veselá, Zbyněk Špirit

Keywords:

Creep, Metallography, Non-Destructive Testing, Phased Array, Ultrasonic Testing

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* - Corresponding Author

References

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