Abstract
Thin films of annealed or deformed pure iron have been oxidised in air at 200−300°. No relationship has been observed between nuclei and dislocations. However nucleation was easier for deformed specimens than for annealed. Oriented oxide diffraction patterns were obtained even when only a mottled surface layer with no Obvious nuclei was seen. It is possible that a faulted prenucleation surface layer forms, on which subsequent nucleation sites are not directly related to the structure of the metal.
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