Minor yttrium nitrate addition effect on FeSiCr alloy powder core electromagnetic properties
| Autor: | Liang Fang Fan, Hsing I. Hsiang, Kuan Ting Ho |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
musculoskeletal diseases
Materials science Annealing (metallurgy) Alloy Oxide chemistry.chemical_element Crystal growth 02 engineering and technology engineering.material 01 natural sciences Chemical reaction chemistry.chemical_compound Magnetization Nitrate 0103 physical sciences Composite material 010302 applied physics technology industry and agriculture Yttrium equipment and supplies 021001 nanoscience & nanotechnology Condensed Matter Physics Electronic Optical and Magnetic Materials chemistry engineering 0210 nano-technology human activities |
| Zdroj: | Journal of Magnetism and Magnetic Materials. 444:1-6 |
| ISSN: | 0304-8853 |
| DOI: | 10.1016/j.jmmm.2017.07.099 |
| Popis: | The yttrium nitrate effect on FeSiCr alloy insulating layer thickness and magnetic properties after annealing treatment is investigated in this study. The results showed that a continuous chromium oxide layer was observed on the FeSiCr alloy powder surface after annealing at 800 °C. The addition of a minor amount of yttrium nitrate can significantly slow the FeSiCr alloy powder oxidation rate. However, excessive yttrium nitrate addition accelerated the oxide layer growth. The FeSiCr alloy sample magnetic properties depend strongly on the chromium oxide layer thickness. The saturation magnetization and initial permeability increased with increasing yttrium nitrate and reached the maximum at 0.02 wt% and then decreased as the addition amount was increased to 0.5 wt%. The addition of 0.02 wt% yttrium nitrate into FeSiCr alloy powder can effectively improve the saturation magnetization, initial permeability, quality factor and magnetic loss, which provides a promising candidate for power chip inductor applications. |
| Databáze: | OpenAIRE |
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