Tailoring the microstructure and mechanical properties of laser directed energy deposited IN738LC through post heat treatment

Key Points

• Mechanical properties improved significantly after post heat treatment, enhancing material performance.
• The study reported a notable increase in tensile strength and ductility of the IN738LC alloy.
• Analysis using laser directed energy deposition assessed different heat treatment conditions on IN738LC.
• Highlights the potential for optimizing mechanical properties in aerospace materials, which is critical for safety.