Science of entropy-stabilized ultra-high temperature materials: predictive and multi-physics modelling
September 17-20, 2017
Our team is exploring a new concept in the development of ultra-high temperature materials - engineering the configurational entropy contribution to the free energy. We are doing this by using compositions with multiple refractory elements in near equi-molar concentrations. The work has focused primarily on unique refractory alloys that combine multi- and single-component sublattices; these are di-borides with layered sublattices, as well as nitrides, carbides, and carbo-nitrides with interpenetrating multi-and single-component face-centered-cubic sublattices.
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Donald Brenner, Jon-Paul Maria, Elizabeth Opila, Patrick Hopkins, Stefano Curtarolo, Kenneth Vecchio, and Jian Luo, "Science of entropy-stabilized ultra-high temperature materials: predictive and multi-physics modelling" in "Ultra-High Temperature Ceramics: Materials for Extreme Environment Applications IV", Jon Binner, The University of Birmingham, Edgbaston, United Kingdom Bill Lee, Imperial College, London, United Kingdom Eds, ECI Symposium Series, (2017). http://dc.engconfintl.org/uhtc_iv/33