Development and validation of constitutive modelling in Zr-2 alloy welded joints based on dislocations-driven mixed hardening mechanism

Key Points

• Enhanced strength is achieved through a dislocation-driven mixed hardening mechanism, indicating effectiveness in Zr-2 alloy.
• The validation process involved performance assessments of welded joints, confirming the modelling accuracy.
• Utilizing dislocation dynamics allows for a more precise understanding of hardening behavior in materials under stress.
• This approach supports advancements in materials engineering by potentially optimizing welded joint performance.