Al addition effect on structure and magnetic properties in high BS Fe-Cu-Si-B alloys
| Autor: | Zhi Wang, Yurong Jia, Hongjun Duan |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Materials science
Mechanical Engineering Kinetics Alloy Analytical chemistry 02 engineering and technology Coercivity engineering.material 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Microstructure 01 natural sciences Grain size 0104 chemical sciences law.invention Mechanics of Materials law engineering Curie temperature General Materials Science Crystallization 0210 nano-technology Refining (metallurgy) |
| Zdroj: | Materials Research Bulletin. 111:289-293 |
| ISSN: | 0025-5408 |
| DOI: | 10.1016/j.materresbull.2018.11.036 |
| Popis: | The effect of Al addition on the soft magnetic properties, microstructure and nanocrystallization characteristics for Fe-Cu-Si-B alloy system was investigated from the viewpoint of the kinetics of Cu clustering. The excellent magnetic softness is found in Fe 80.5Cu1.5Si4B14-xAlx (x = 0, 1, 2, 3) alloy system. A lower coercivity of 10.2 A/m and a higher saturation magnetic flux density of 1.84 T are obtained in 370 °C-annealed Fe80.5Cu1.5Si4B13Al1 alloy. Different from other Al-containing alloys, the Fe80.5Cu1.5Si4B11Al3 alloy exhibits a different crystallization behavior and a significantly deteriorated coercivity. Although an increase of Al results in a small decline in saturation magnetic flux density and Curie temperature of amorphous phase, the 1 at. % Al addition is found to be effective in decreasing the onset temperature of primary crystallization Tx1 and refining the grain size, therefore helps in reducing the coercivity. |
| Databáze: | OpenAIRE |
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