Impact of heat treatment on the impact toughness and brittle fracture initiation mechanism of a quenched and tempered nuclear Pressure Vessel Steel

Key Points

• Increased impact toughness is observed with optimized heat treatment, suggesting enhanced structural integrity.
• The study demonstrates a specific relationship between heat treatment conditions and brittle fracture initiation mechanisms.
• Assessment involved examining heat-treated nuclear pressure vessel steel to evaluate toughness properties.
• These findings may enable improved designs in pressure vessel applications for enhanced safety and reliability.