Combinatorial approaches as effective tools in the study of phase diagrams and composition-structure-property relationships

摘要: Abstract This article will provide an overview of state-of-the-art combinatorial/high-throughput methodologies and tools for accelerated materials research discovery. Combinatorial thin films with discrete composition libraries or continuous gradients (spreads) have been widely used to study composition–structure–property relationships discover new functional materials. A diffusion-multiple approach—the creation intermetallic phases by long-term annealing junctions three more phases/alloys—enables effective studies phase diagrams, kinetics, bulk alloys. Such are made possible localized property measurements using micro-scale probes/measurement tools. Micro-scale probes several properties such as elastic modulus, hardness, thermal conductivity, dielectric properties, optical crystal structures relatively well developed be discussed in detail. The electrical magnetic compressive yield strength need further improvement benchmark studies. All these very useful research. For instance, a conductivity probe can order–disorder transformation, site preference compounds, solid-solution effects on compositional point defect propensity. Several combined accelerate the development structural obtain diffusion coefficients, precipitation solution-strengthening effects, precipitation-strengthening effects. yet that would significant impact include ones lattice parameter at micron-scale resolution, melting measurements, ductility, expansion thermodynamic properties. goes beyond combinatorial since most them applied non-combinatorial metallographic film samples well. Examples show addition improved efficiency, systematic nature approaches reveal complex phenomena interactions otherwise difficult aware find conventional one-composition-at-a-time practice, especially when multiple probes.