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Yuan, Y.S., Wong, M.S. and Wang, S.S. (1996) solid-state processing and phase development of bulk(MgO) w/BPSCCO high-temperature superconducting composite. Journal of Materials Research, 11, 8-17.

has been cited by the following article:

  • TITLE: Mechanical and superconducting properties of nanosize MgO added dip-coated Bi2Sr2CaCu2O8 superconducting tape

    AUTHORS: Nasri A Hamid, Mohd Yusri Abd Rahman, Noor Fairuz Shamsudin

    KEYWORDS: Bi-2212 Superconductor; Electrical Properties; Mechanical Properties; High Current Density; Cryogenic Temperature

    JOURNAL NAME: Natural Science, Vol.3 No.6, June 22, 2011

    ABSTRACT: In this work, 3% to 8% (in weight) of nanosize MgO particles was added to Bi2Sr2CaCu2O8 (Bi- 2212) high-temperature superconductor to fab-ricate Bi-2212 superconducting material with superior mechanical properties. The mechanical strength of the samples was studied by con-ducting the compression test at room tempera-ture, and the addition of 5% nanosize MgO par-ticles produced the highest strength when com- pared with other samples. The sample with 5% MgO addition also exhibited superior super-conducting properties. The Bi-2212 powder with 5% nanosize MgO addition was used to fabricate Bi-2212 tapes through the dip-coating-then- stacking method. The fully processed tapes were investigated via dc electrical resistance measurements, XRD patterns, SEM micrographs, transport critical current density and tensile tests. The tensile tests were conducted at room and cryogenic (77 K) temperatures. Results of tensile tests and Young’s modulus for the tapes showed that the Bi-2212 tapes with nanosize MgO addition recorded better mechanical prop-erty compared to the non-added samples both at room and cryogenic temperatures. The double- core tape with 5% MgO addition recorded the highest failure point at 160 MPa. In addition to the strengthening effect that was observed in the nanosize MgO added Bi-2212 superconduc-tor tapes, the superconducting properties re-mained intact in the tapes.