TY - JOUR AU - Milne, John E. AB - Liquid Tin Infiltration Doubles Strain Tolerance Collier N. Smith National Bureau of Standards Niobium-tantalum/tin filamentary su- 220 MPa to form a porous rod, sintered barrier and copper stabilizer tube. In perconductors prepared by liquid tin in- at 2250°C for an hour under vacuum other tests, starting billets of 13 mm di- filtration have a damage strain tolerance (1.3 x 10 Pal, and then immersed in ameter have been swaged and drawn nearly double that of commercial bronze- liquid tin to form the infiltrated compos- to 0.13 mm without intermediate an- process Nb Sn superconductors, and ite. The immersion was at 350°C for 3 nealing. about 15 minutes, under a positive he- have a critical current density for fields A relatively high critical temperature above 13 tesla higher than any other lium pressure of 35 MPa. of 1S.2K was determined inductively at The niobium-tantalum/tin matrix and 5 Nb/Sn-based superconductor yet re- 100 Hz in an applied field of 4 x 10- the continuous three-dimensional net- ported. tesla, and showed a narrow transition These are the principal findings of work of infiltrated tin are intimately and width of less than 0.3K. thoroughly intermingled in the rod, which studies performed at the TI - Molybdenum Disilicide as an Appliance Heating Element JF - JOM DO - 10.1007/BF03259482 DA - 1987-02-01 UR - https://www.deepdyve.com/lp/springer-journals/molybdenum-disilicide-as-an-appliance-heating-element-hqWox1PGhT SP - 62 EP - 62 VL - 39 IS - 2 DP - DeepDyve ER -