Stress Relaxation Cracking (Reheat Cracking) in the Failure of a Coke Gasifier Vessel
Horizontal cracks on the exterior of the gasifier shell wall Photo Credit https://link.springer.com/

Stress Relaxation Cracking (Reheat Cracking) in the Failure of a Coke Gasifier Vessel

Announcement

?? New Technical Post Alert: Stress Relaxation Cracking (Reheat Cracking) in the Failure of a Coke Gasifier Vessel ??

We are excited to share our latest technical post on a critical issue affecting high-temperature pressure vessels: Stress Relaxation Cracking (SRC), also known as reheat cracking.

Why This Matters: SRC is a significant failure mechanism that can compromise the structural integrity of pressure vessels operating under high temperatures. In a recent incident at a refinery power plant, SRC led to the catastrophic failure of a coke gasifier. This post provides an in-depth exploration of SRC, distinguishing it from other high-temperature deformation processes like creep, and offers insights into prevention and mitigation strategies.

In This Post:

  • Mechanism Description: Learn about SRC and its causes.
  • Distinguishing SRC from Creep Cracking: Understand the differences and similarities between SRC and creep, both of which involve high-temperature stress-related deformation.
  • Incident Overview: A detailed case study of the gasifier failure incident.
  • Prevention & Mitigation Strategies: Practical recommendations to enhance the safety and reliability of high-temperature pressure vessels.


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?? Read the full post in below link:

https://matintegrity.wixsite.com/inspection-corrosion/group/corrosion-and-damage-mechanisms/discussion


Feel free to share your thoughts and experiences in the comments. Let's discuss how we can better protect our industrial assets from such critical failures!


#Engineering #Safety #Metallurgy #PressureVessels #Refinery #Gasification #StressRelaxationCracking #CreepCracking #HighTemperatureMaterials #IndustrialSafety #TechnicalInsights


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Warm Regards,

Mat Integrity Team

Thanks for sharing

Mohamed Ferid Herelli

-Expert Senior -Consultant en Développement industriel- Mecano-soudage-CND -Constructions métalliques-Energies renouvelables -Management Qualité -Arbitrage et Médiation- Ex DG CETIME Tunisie.

5 个月

Good to know!

Edward Heaver

Materials Engineering Consultant at Real Life Metallurgy

5 个月

Did this used to be thermal fatigue?

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