Edgar Bain was an American materials scientist who studied transformations in steel. His 1924 paper The Nature of Martensite by Edgar Bain examined how the structure of martensite relates to its parent austenite, connecting the mechanical behaviour of hardened steel with changes in crystal structure.[ref]
The Nature of Martensite by Edgar Bain. Opening discussion of austenite, martensite and the face-centred and body-centred iron structures
The Bain path expresses a geometric connection between face-centered cubic and body-centred cubic structures through a tetragonal deformation. It helps make a structural transformation concrete: changing the relative lengths along different axes can map one lattice geometry to another. Such a geometric path by itself does not specify the complete chemical kinetics or every observed feature of a transformation in real steel; those also depend on chemical composition and microstructural constraints.
As of my last knowledge update in October 2021, there isn't a widely recognized figure, concept, or term specifically known as "Edgar Bain." It's possible that it could refer to a lesser-known person or entity, or it might have emerged more recently. If you have more context or details about what you’re referring to, I could help clarify or provide more relevant information. Please provide additional context!
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