Simulation of thermal and electric field evolution during spark plasma sintering
Source abstract
Abstract
Abstract Finite element simulations have been conducted to determine the temperature distribution (both in radial and axial direction), heat and electric flux-field in the powder compact/die/punch assembly during the spark plasma sintering (SPS) process. A thermal–electrical coupled model with temperature dependent thermal and electrical properties is implemented. The simulation studies were conducted using both ABAQUS and MATLAB and a range of power input, varying thermal conductivity of powder compact were considered. Also, the effect of time variation on both thermal and electric field evolution was assessed. During SPS, the heat transmission pattern and the temperature difference between the specimen center and the die surface depend on thermal conductivity of the powder compact, time of sintering and power input. The simulation results also revealed that the temperature gradient across the powder compact/graphite die wall is higher for conditions of higher power input and/or powder compact with lower thermal conductivity.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Thermal properties of materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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