Simultaneous Addition of B<formula><tex>$_{4}$</tex> </formula>C<formula><tex>$+$</tex></formula>SiC to MgB<formula formulatype="inline"> <tex>$_{2}$</tex></formula> Wires and Consequences for <formula formulatype="inline"> <tex>${\rm J}_{\rm c}$</tex></formula> and <formula formulatype="inline"> <tex>${\rm B}_{\rm irr}$</tex></formula>


The simultaneous addition of various carbon based additives (in the present case B<sub>4</sub>C + SiC) to Mg and B powders has been introduced as a new concept in view of enhancing the superconducting parameters B<sub>c2</sub>, B<sub>irr</sub> and J<sub>c</sub> values of in situ Fe/MgB<sub>2</sub> wires. A series of Fe sheathed monofilamentary wires of 1.1… (More)


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