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  • WANG ZU-LUN  (2)
  • 1980-1984  (2)
  • 1
    Online Resource
    Online Resource
    A STUDY OF THE SUPER-CONDUCTIVITY OF FAST QUENCHED Al-Si ALLOY
    Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences ; 1982
    In:  Acta Physica Sinica Vol. 31, No. 4 ( 1982), p. 485-
    Details
    In: Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 31, No. 4 ( 1982), p. 485-
    Abstract: The effect of heat treatment on the microstrueture and Superconducting properties of the eutectic alloy Al- 11.3 at % Si prepared by the splat quenching technique has! been studied. The results of structure analyses indicated that the rapidly cooled Al-11.3 at % Si alloy consists of two phases: a supersaturated α-Al(Si) solid solution and an amorphous phase of Al and Si atoms which are distributed statistically. After annealing at 100℃ for 50 hr. the Si content of the solid solution phase is reduced and some dispersive Si granules separate out from the amorphous phase. After annealing at 200℃ for 100 hr. the specimens precipitated completely. Superconducting transition temperature Tc was measured. The anomalous magnetoresistivity in supereondueting-normal transitions has been found in the sample after annealing at 100℃ for 50hr. Our results reveal the existence of two superconducting phases in this sample.
    Type of Medium: Online Resource
    ISSN: 1000-3290 , 1000-3290
    URL: Journal
    URL: Article
    DOI: 10.7498/aps
    DOI: 10.7498/aps.31.485
    Language: Unknown
    Publisher: Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
    Publication Date: 1982
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    THE MICROSTRUCTURE AND SUPERCONDUCTING-NORMAL TRANSITIONS OF FAST QUENCHED Al-Si-Ge
    Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences ; 1982
    In:  Acta Physica Sinica Vol. 31, No. 2 ( 1982), p. 268-
    Details
    In: Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 31, No. 2 ( 1982), p. 268-
    Abstract: The microstructure and superconducting-normal transitions of fast quenched Al-8.3 at%Si-8.5at%Ge have been studied. Structural analysis of the samples indicated that Al-Si-Ge alloy consists of two phases: an amorphous phase and a supersaturated α-Al (Si, Ge) solid solution. After heat treatment at 100℃ for 50 hr, a double superconducting transition can be observed in both their resistance-temperature and resistance-intensity of magnetic field characteristics.
    Type of Medium: Online Resource
    ISSN: 1000-3290 , 1000-3290
    URL: Journal
    URL: Article
    DOI: 10.7498/aps
    DOI: 10.7498/aps.31.268
    Language: Unknown
    Publisher: Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
    Publication Date: 1982
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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