Impact toughness, crack initiation and propagation mechanism of Ti6422 alloy with multi-level lamellar microstructure

Key Points

• Increased impact toughness indicates improved resistance to crack propagation in the Ti6422 alloy.
• Key improvements in toughness were noted with a multi-level lamellar microstructure, enhancing overall structural integrity.
• Observational analysis focused on microstructural characteristics and their influence on mechanical properties of the alloy.
• Improved understanding of crack initiation mechanisms can lead to better design principles in materials science.