Effects of the time sequence of the cold rolling on the processing time of Ag-alloy sheathed (Bi,Pb)2Sr2Ca2Cu3Ox tapes

Penny, M.; Beduz, C.; Yang, Yi; Al-Mosawi, M.K.; Scurlock, R.G.; Wroe, R.

doi:10.1016/0921-4534(96)00198-0

Cited by 9 publications

(1 citation statement)

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“…Remarkable progress has been made in the fabrication of mono-and multilayered Ag/Bi(Pb)-2223 tapes during the last few years [1][2][3][4][5][6][7][8][9][10][11][12]. In view of the enormous effort made in this field, the critical current densities (J c ) of short and long tapes are continuously increasing and have currently reached values required for practical applications [13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Superconducting properties of multilayered Ag/Bi(Pb)-2223 tapes prepared using pretextured monolayered tapes

Syamaprasad

Sarma

Guruswamy

et al. 1997

Supercond. Sci. Technol.

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Multilayered Ag/Bi(Pb)-2223 tapes with high critical current densities have been fabricated using partially heat treated, textured monolayered tapes. Cut sections of the monolayered tapes have been stacked one over the other and folded together using high-purity silver foil and further rolled and heat treated to obtain multilayered tapes of different thickness with an HTS layer thickness varying from 9 to . A comparison of the superconducting properties of the multilayered tapes with those of monolayered tapes prepared under identical heat treatment conditions shows that the ratio at 77 K is as high as 0.57. The ratio is found to decrease with a decrease in the HTS core thickness of the multilayered tapes. XRD studies of `banana peeled' samples show that the monolayered tapes at the folding stage acquire a good degree of texturing. The relatively high value of the ratio obtained in the present case compared with those reported by the existing techniques is attributed to the use of pretextured monolayered tapes.

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