It is demonstrated that quantitative site occupancy of dilute constituents, 2 at. %, in polycrystalline materials of typical grain size 0.3 μm can be obtained by using the channeling effect in electron induced x-ray emission. The important alloying elements Ti and Ta which improve the superconducting properties of Nb3Sn made by the bronze process were both found to occupy the Nb sites.
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Taftø et al. (1984) studied this question.
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