Influence of hydrogen on crack growth resistance of steels for energy infrastructure applications

Key Points

• The aim is to understand how hydrogen exposure impacts the crack growth resistance of steels used in energy infrastructure.
• Conducted experiments on various steel samples
• Exposed samples to hydrogen environments
• Measured crack growth rates under different conditions
• Hydrogen exposure significantly increased crack growth rates in certain steel compositions
• Certain alloys showed improved resistance to crack growth under hydrogen exposure
• Identified specific microstructural changes linked to hydrogen's effects