A two-stage approach for material parameters identification in spark plasma sintering

• DOI: 10.1016/j.mechmat.2023.104834
• Publication Date: 2023-10-20T15:25:42Z
• Authors: A. Kumar; M. Bernet; L. Deillon; M. Afrasiabi; M. Bambach
• Keywords: Multiphysics; Spark Plasma Sintering; SPARK (programming language)

A fully coupled electrical-thermo-mechanical model is essential to an in-depth understanding of the spark plasma sintering (SPS) process, where mechanical modeling heavily dependent on constitutive equations and their material parameters. This paper proposes a two-stage approach that integrates direct experimental measurements with numerical simulations, providing more comprehensive reliable basis for identifying parameters in SPS. We develop finite element-based process COMSOL Multiphysics® validate it experimentally. The parameter identification procedure achieves average prediction error below 1.5% when applied copper nickel SPS at different heating rates from 25 100 K/min. robust numerical-experimental establishes transferable technique can be used other materials commonly