AC Transport Current Loss Characteristics of REBCO Coated Conductors Subjected to Bending Strains

Kataoka, A..; Tsukamoto, O.; Sekizawa, Shin‐ichi; Kawano, Y..; Kashima, N.; Nagaya, S.; Iijima, Y.; Saitoh, Takashi

doi:10.1109/tasc.2005.869698

Cited by 7 publications

(6 citation statements)

References 10 publications

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“…These results are the evidence that the damages in the superconductor layer were local. The similar results obtained for the HoBCO CCs when the severely dropped [3]. After all, for practical applications, CCs should be used in Reg.1 where the reduction of the critical currents due to the bending strain is within about 4% of the no-strain critical currents, regardless of the directions of the strains and manufacturing processes of CCs.…”

Section: Discussionsupporting

confidence: 74%

“…Generally, deteriorations can be classified into three regions, Reg.1, Reg.2 and Reg. 3 curve but becomes obvious from the AC loss characteristics as mentioned later. at transition points between Regs.1, 2 and 3 dependent on the samples and directions of strains.…”

Section: A Critical-currents Vs Bending Radiimentioning

confidence: 80%

“…curves also fall into one curve in the stress range where recovered after the release of the strain [3]. In Reg.2 there are two cases in which the lateral distributions of of the superconductor are changed and unchanged.…”

Section: Discussionmentioning

confidence: 95%

“…1. The measurement arrangement was the same as was explained in the reference [3]. The U-shape sample holders consisted of straight and half-cylindrical parts made of GFRP.…”

Section: Measurement Methodsmentioning

confidence: 99%

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AC Transport Current Loss Characteristics of YBCO Coated Conductors Subjected to Bending Strains

Kataoka

Tsukamoto

Sekizawa

et al. 2007

IEEE Trans. Appl. Supercond.

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Dependence of AC transport current losses on bending strains of two kinds of YBCO coated conductors (CCs) manufactured by IBAD/MOCVD and IBAD/PLD processes were investigated. The bending strains were applied to CCs samples by mounting the samples on U-shape sample holders consisted of straight and half-cylindrical sections. The bending strains to the superconductor layer were in tensile and compressive directions. The experimental results showed that the bending dependence of the AC transport current loss could be characterized by the amount of the deteriorations of the conductor critical currents dependent on structure changes of the superconductor layers due to the bending strains, regardless of the CCs manufacturing processes and the directions of the strains.

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Section: Discussionsupporting

confidence: 74%

Section: A Critical-currents Vs Bending Radiimentioning

confidence: 80%

Section: Discussionmentioning

confidence: 95%

“…1. The measurement arrangement was the same as was explained in the reference [3]. The U-shape sample holders consisted of straight and half-cylindrical parts made of GFRP.…”

Section: Measurement Methodsmentioning

confidence: 99%

See 2 more Smart Citations

AC Transport Current Loss Characteristics of YBCO Coated Conductors Subjected to Bending Strains

Kataoka

Tsukamoto

Sekizawa

et al. 2007

IEEE Trans. Appl. Supercond.

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“…A schematic arrangement of the sample for the bending experiment is illustrated in FIGURE 2. The measurement arrangement was the same as was explained in the reference [2]. A sample holder consists of straight and half-cylindrical parts made of GFRP.…”

Section: Introductionmentioning

confidence: 99%

Ac Loss Characteristics of HTS Coated Conductors With Copper Stabilization Layers Subjected to Bending Strain

Tsukamoto

Kawano

et al. 2008

AIP Conference Proceedings

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Influence of copper layers on AC transport current losses in copper stabilized YBCO coated conductors subjected to bending strains was investigated. The bending strains were applied to conductor samples by mounting the samples on sample holders consisted of straight and half-cylindrical sections. The directions of the bending were that the copper layer was subjected to tensile strain (the outward bending) or compressive strain (inward bending). The thickness of the copper layer was 100 m. Experimental results showed that there is no apparent influence of copper layer on the AC transport loss characteristics. There were dependences of the losses on the bending strains. However, when the loss characteristics are normalized by the strain dependent critical currents, the losses vs. AC transport characteristics dependent on bending strains can be expressed by one curve in both cases of the outward and inward bendings.

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Numerical analysis of magnetization AC losses in high-temperature superconducting slabs subjected to uniform strains

Xia

Zhou

2014

Sci. China Technol. Sci.

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AC Transport Current Loss Characteristics of REBCO Coated Conductors Subjected to Bending Strains

Cited by 7 publications

References 10 publications

AC Transport Current Loss Characteristics of YBCO Coated Conductors Subjected to Bending Strains

AC Transport Current Loss Characteristics of YBCO Coated Conductors Subjected to Bending Strains

Ac Loss Characteristics of HTS Coated Conductors With Copper Stabilization Layers Subjected to Bending Strain

Numerical analysis of magnetization AC losses in high-temperature superconducting slabs subjected to uniform strains

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