The Al-Li alloy powder was prepared by argon atomization.It was canned in an aluminum containerand then the compact powder billet and I/M Al-Li ingot were extruded into Φ17 mm at 450°C with anarea red
Ag-sheathed(Bi,Pb)<sub>2</sub>Sr<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>x</sub> tapes were fabricated by a powder-in-tube method.A high criticalcurrent dens