Microstructure-informed modelling of the fracture toughness of alloys representing macro-segregated zones in 16MND5 heavy forgings

Key Points

• Fracture toughness is influenced by the specific microstructure of alloys, indicating a complex relationship.
• The study identifies key characteristics of macro-segregated zones that impact performance metrics, emphasizing their significance.
• Analysis of alloy microstructures reveals essential insights into fracture mechanisms, leading to better predictive modelling.
• Findings suggest that improved models could enhance the safety and reliability of heavy forgings used in engineering applications.