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New Method For The Fabrication Of Al-Stabilized Fe/Mgb2 Wires, A. Shcherbakov, A. V. Pan, S X. Dou, E. W. Collings
New Method For The Fabrication Of Al-Stabilized Fe/Mgb2 Wires, A. Shcherbakov, A. V. Pan, S X. Dou, E. W. Collings
Shi Xue Dou
To employ Al stabilizer on Fe sheathed MgB2 wire the hot aluminizing technique was used. The present technique allows us to form MgB2 superconductor by an in-situ reaction technique and apply Al stabilizer simultaneously, because the processing temperature of MgB2 is similar to the melting temperature of Al. Two types of Fe sheathed MgB2 wires—“reacted” and “green” (unreacted)— were immersed in an Al bath to produce a layer of Al stabilizer on the surface of the superconductor. The magnetic and transport ( ) curves for both “reacted” and “green” Al/Fesheathed wires have been measured at 10 and 20 K and …