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Article | REF: M35 V1

Metallic state - Atomic properties

Authors: Charles-Henri de NOVION, Daniel LESUEUR

Publication date: July 10, 1979, Review date: December 17, 2019

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3. Atomic diffusion

Note :

The laws and mechanisms of diffusion are discussed in greater detail in the article Diffusion in metals. . In what follows, we will focus on the physical and microscopic origins of diffusion phenomena, drawing on the data in the previous paragraphs.

3.1 General

If a solid solution A 1 – c B c , separated by a surface S into two areas of different concentrations, is heated for a sufficiently long time, progressive homogenization is observed: c decreases in the initially B-rich area and...

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