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Sensitivity estimation for calculated phase equilibria
2021
Journal of Materials Research
AbstractThe development of a consistent framework for Calphad model sensitivity is necessary for the rational reduction of uncertainty via new models and experiments. In the present work, a sensitivity theory for Calphad was developed, and a closed‐form expression for the log‐likelihood gradient and Hessian of a multi‐phase equilibrium measurement was presented. The inherent locality of the defined sensitivity metric was mitigated through the use of Monte Carlo averaging. A case study of the
doi:10.1557/s43578-020-00073-6
fatcat:ef75jo2eebd3dfcyalxcc5ah2e