Substitutional solid solutions

Substitutional solid solutions

Substitutional solid solutions

04/01/17

“What happens when an element that follows the Hume-Rothery rules dissolves into another element?”
Given the right set of conditions, elements can dissolve into others elements. This means that the solute will lose its own pre-defined structure and are fused into the solvent. However, how does the solute merge into the solvent on a microscopic level? Well, let’s do as scientists do and observe. If an element follows the Hume-Rothery rules, then it probably has a similar size atomic size, packing structure, electronegativity, and affinity, and it probably looks and acts much like the solvent atoms. And if we observe closer, wouldn’t it be logical that an element so similar could pass itself off as the solvent atom and substitute itself into the original structure? Well, it turns out that such phenomena exist, and solutions of this type are known as substitutional solid solutions, and can be used to strengthen a material through impurities

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