| Budget Amount *help |
¥110,240,000 (Direct Cost: ¥84,800,000、Indirect Cost: ¥25,440,000)
Fiscal Year 2009: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2008: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2007: ¥37,960,000 (Direct Cost: ¥29,200,000、Indirect Cost: ¥8,760,000)
Fiscal Year 2006: ¥54,470,000 (Direct Cost: ¥41,900,000、Indirect Cost: ¥12,570,000)
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| Research Abstract |
The present work aimed to construct a quantitative estimation method of correlation of thermal- and externally applied strains to superconducting property of superconducting composite tape by developing in-situ strain measurement method with X ray diffraction method and modeling based on the experimental results. The residual strain accumulation process, tensile/bending strain dependence of critical current and n-value, distribution of critical current under applied strain, which is different from specimen to specimen due to the difference in extent of damage, and its statistical feature, sample length-dependence of critical current and n-value under applied strain and effect of lamination of high modulus material to composite tape on strain tolerance of critical current in Bi2223 composite tapes were quantitatively elucidated.
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