Effect of heat input on the microstructural and mechanical response of a Ni-Co-Fe-based superalloy joining by GTAW process

Key Points

• The mechanical response is significantly influenced by heat input, affecting overall performance.
• Key evidence indicates a notable increase in tensile strength with optimal heat input settings.
• Analysis involves a systematic evaluation of microstructural changes due to the GTAW process, examining various heat inputs.
• Findings highlight the importance of controlled heat input in joint performance, indicating potential for improved manufacturing processes.