2D-p02

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Copper sheath MgB2 wires and coils fabricated by an in-situ PIT method

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$BD6EEF39)8&(J^A, $BB, $BEl5~%o%$%d!<(J^C

Mg$B$H(JB$B$r85AGHf$GG[9g$7$?$b$N$K;THN$N(JMgB2$BJ4Kv$r2C$(!$99$K(JTiH2$B!$$b$7$/$O(JC$B$r(J3$B!A(J10%atm$BE:2C$7$?$b$N$r86NAJ4Kv$H$7!$(Jin-situ PIT$BK!$rMQ$$$F!$F<%7!<%9$N(JMgB2$B@~:`&U(J1.0mm$B$r(J40m$B:n@=$7$?!%(J 4$BC<;RK!$K$h$kNW3&EEN.FC@-$NI>2A$r9T$$!$29EY(J4.2K$B!$<+8J<'>l$K$*$$$F!$C;<\;nNA$G$O!$(JIc=419A$B!$(JJc=460kA/cm2$B$KC#$7$?!%$^$?!$(J $B>rD9(J5m$B$N%3%$%k$O!$(JIc=100A$B!$(JJc=110kA/cm2$B$KC#$7$?!%(J

MgB2,wire,coil,in-situ PIT,Cu,carbon