Laves phase-induced failure and synergistic strength mechanism via in situ deformation for high-deposition-rate laser directed energy deposited Inconel 718 alloy

Key Points

• Failure mechanisms in Inconel 718 were primarily influenced by the laves phase and its interactions during deformation, highlighting the alloy's complexity.
• The study identifies a synergistic strength mechanism that emerges at high-deposition rates, showcasing improved material performance under stress.
• Analysis employed in situ deformation techniques during laser directed energy deposition, revealing significant insights into manufacturing impacts on alloy properties.
• These findings support the development of advanced materials for aerospace applications, emphasizing the need for tailored manufacturing processes.