Meter-Scale REBCO Tapes With a Current Flow Diverter Architecture
Bibliographic record
Abstract
The current flow diverter (CFD) architecture allows increasing the normal zone propagation velocity (NZPV) of rare-earth barium copper oxide (REBCO) tapes. A continuous reel-to-reel CFD fabrication process has been developed to produce a high quality one meter long CFD REBCO tape. Standard scratch tests showed that the adhesion strength of the silver layer of a regular commercial tape and an annealed CFD tape are similar while being slightly lower in the case of a nonannealed CFD tape. Depending on the CFD architecture, experimental measurements revealed an increase in the NZPV of CFD tapes by a factor of 6 to 22 with respect to regular tapes, which is comparable to previous results obtained on short length CFD tapes (12 cm). A detailed analysis combining optical microscopy and numerical simulations revealed that the reel-to-reel CFD fabrication process minimizes geometrical imperfections, which results in a good NZPV uniformity over long lengths. This demonstration of the effectiveness of the CFD concept in long-length CFD tapes represents an important step toward the potential development of a safe and more reliable protection scheme in high field magnets and other high current carrying REBCO based devices.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".