Material Composition | FeCuNbSiB |
---|---|
Thickness (um) | 28~35 |
Saturation Induction Bs (T) | 1.25 |
Curie Temperature (oC) | 570 |
Hardness Hv | 880 |
Crystalline Temperature Tc (oC) | 500 |
Saturation Magnetostriction | 2×10^-6 |
Initial Permeability μi | >80000 |
Maximum Permeability um | >500000 |
Density (g/cm³) | 7.2 |
Electrical Resistivity (μΩ.cm) | 130 |
Lamination Factor | >0.8 |
Operating Temperature Range | -50~120℃ |
Part No. | Core Dimension | Finished Dimension | Note |
---|---|---|---|
JJ8001 | 8050 | 8555 | |
JJ7501 | 7560 | 8055 | |
JJ8002 | 8060 | 8550 |
The production of Fe-based nanocrystalline ribbons commonly involves rapid solidification techniques, such as melt spinning. In melt spinning, a molten alloy is ejected onto a rapidly rotating cold wheel, causing it to cool and solidify at an exceptionally fast rate. This rapid cooling process prevents the atoms from arranging into a typical crystalline structure, resulting in an amorphous or glassy metal initially. Subsequent heat treatment can then induce the formation of a nanocrystalline structure from the amorphous precursor. This process results in a thin, ribbon-like material that can be further processed or used as is.
Fe-based nanocrystalline ribbons find applications in a variety of fields, including transformers, inductors, magnetic sensors, and electrical motors. Their low core losses and high magnetic permeability make them ideal for use in transformers, which can operate more efficiently and with reduced energy losses. These materials are also used in inductors, especially in high-frequency applications such as power supplies and electronic circuits. Their precise magnetic properties make them suitable for high-sensitivity magnetic sensors used in various measuring and control systems. Additionally, Fe-based nanocrystalline materials are employed in the cores of high-efficiency motors to enhance performance and reduce energy consumption.
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A1: Fe-Based Nanocrystalline Ribbons are primarily used in transformers, inductors, magnetic sensors, and electrical motors due to their superior magnetic properties.
A2: The main advantages include high saturation magnetization, low coercivity, low core loss, and high permeability, making them ideal for high-efficiency applications.
Using Fe-Based Nanocrystalline Ribbons in power transformers significantly improves efficiency due to their low core losses and high permeability. This material allows for the design of transformers that are not only more efficient but also smaller in size, which is crucial for modern electronic devices. The high saturation magnetization and low coercivity further enhance performance, making these transformers ideal for a wide range of applications, from medical equipment to renewable energy systems.
The use of Fe-Based Nanocrystalline Ribbons in high-frequency inductors has revolutionized the industry. These ribbons offer superior magnetic properties that result in reduced core losses and improved energy efficiency. This is particularly important in applications such as power supplies and electronic circuits, where high-frequency operation is essential. The ability to achieve high inductance with smaller cores and fewer coils further enhances their attractiveness for these applications.
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