Carbonyl iron modified with nano cobalt and its magnetorheological effect
Why this work is in the frame
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Bibliographic record
Abstract
The properties of magnetorheological fluid(MRF),such as magnetorheological effect,chemical stability and sedimentation rate are greatly affected by the surface characteristics of carbonyl iron powder as a main magnetic material of MRF.It is essential to modify the surface of magnetic particles with surfactant in the preparation of MRF.In the present paper,micron carbonyl iron particles were firstly modified with nano cobalt by electroless plating,then coated with surfactant.The investigation attempted to improve surface characteristics of magnetic particles and to enhance effect of magnetorheological fluid.In the presence of pH10 borax buffer,cobaltous ions were reduced to deposit in the surface of carbonyl iron by sodium hypophosphite.The optimum conditions of plating were obtained by experimental.The carbonyl iron coated with nano cobalt was characterized by XRD,TG analysis,ICP-AES,XPS and SEM.The magnetorheological fluid which was prepared using iron coated cobalt exhibit better properties than one without cobalt coated.
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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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it