This study aims at the formation of superconducting Nb₃Sn phase by the bronze method in multifilamentary wires, and to observe the changes in the microstructure of the wires upon heattreatments for various times at 600℃∼800℃. SEM-EDX analysis ...

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https://www.riss.kr/link?id=A2008973
이세종 (경성대학교 공과대학 재료공학과)
1997
Korean
530.04
학술저널
87-94(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
This study aims at the formation of superconducting Nb₃Sn phase by the bronze method in multifilamentary wires, and to observe the changes in the microstructure of the wires upon heattreatments for various times at 600℃∼800℃. SEM-EDX analysis ...
This study aims at the formation of superconducting Nb₃Sn phase by the bronze method in multifilamentary wires, and to observe the changes in the microstructure of the wires upon heattreatments for various times at 600℃∼800℃. SEM-EDX analysis are conducted to see the changes in the compositions of the elements of Nb, Sn and Cu in the microstructure of the wires. The formation of Nb₃Sn in the growing Nb₃Sn layer is very active at the beginning of heattreatment, but the growth of Nb₃Sn phase becomes slow in the later. It is revealed that the formation of Nb₃Sn layer is greatly influenced by the heattreating period and temperature. The ?? of the superconducting wire is measured to be around 15K after the heat-treatment.
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