Study of TIG Weld Microstructure Formation in Inconel 718 Alloy Using ICME Approach
Source abstract
Abstract
The detrimental phase formation in Inconel 718 weld microstructure depends on welding conditions. This study uses the FEM simulation of the welding process to establish the variation of temperature gradient and cooling rate in the weld pool boundary as a function of welding current and speed. The microstructure evolution in the weld pool was established using phase field simulation as a function of temperature gradient and cooling rate variation. Thermal simulations ensured experimental validation of the macro and micro-scale simulations. The elemental segregation in the interdendritic region is analyzed, and a phase map was proposed to identify the safe domain for the welding process. The micro-segregation maps guide the selection of optimum welding process parameters. The current study develops and verifies an ICME framework for welding process optimization.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Solidification and crystal growth phenomena · Additive Manufacturing Materials and Processes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (30)
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