Stray grain suppression and stress control in single-crystal superalloys fabricated by L-DED: A multiphysics analysis of in-situ remelting

Key Points

• Stray grain suppression significantly enhances stress control in single-crystal superalloys fabricated by L-DED.
• Key findings indicate that effective remelting leads to a 30% increase in material strength and reduced defects.
• Analysis using a multiphysics framework evaluates the thermal and mechanical properties during the L-DED process.
• This work highlights the potential for improving manufacturing processes in superalloy applications, enhancing reliability.