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Advancements in Amorphous Metal Core Technology for Next-Generation Power Conversion

by:Transmart     2023-08-27

Advancements in Amorphous Metal Core Technology for Next-Generation Power Conversion


Amorphous metal core technology has been gaining significant attention in the field of power conversion due to its superior magnetic properties and thermal stability. This innovative technology has the potential to revolutionize the design and performance of power transformers, inductors, and other power conversion devices. In this article, we will delve into the advancements made in amorphous metal core technology, its benefits, and its applications in next-generation power conversion systems.

Understanding Amorphous Metal Core Technology:

Amorphous metals, also known as metallic glasses, are novel materials that exhibit a disordered atomic structure similar to that of conventional glasses. They are created by rapidly cooling a molten metal alloy, preventing the formation of a crystalline structure. The amorphous structure gives these metals unique electromagnetic properties, including high magnetic permeability, low coercivity, and low core losses, making them ideal for use in power conversion applications.

Advancement 1: Enhanced Magnetic Properties

One of the key advancements in amorphous metal core technology is the development of alloys with enhanced magnetic properties. Researchers have been able to tailor the composition and microstructure of amorphous alloys to achieve higher magnetic saturation levels, enabling compact and efficient power conversion devices. These improved magnetic properties result in reduced energy losses and increased power density.

Advancement 2: Improved Temperature Stability

Traditionally, the performance of magnetic materials degrades at elevated temperatures, making them unsuitable for demanding power conversion applications. However, recent advancements in amorphous metal core technology have addressed this limitation. By optimizing the alloy composition and carefully controlling the cooling rate during fabrication, researchers have achieved remarkable thermal stability in amorphous metal cores. This allows power conversion devices to operate reliably at higher temperatures without experiencing significant degradation in performance.

Advancement 3: Miniaturization and Increased Efficiency

Amorphous metal core technology has enabled the design and manufacturing of smaller, more efficient power conversion devices. With higher magnetic saturation levels and lower core losses, amorphous metal cores can be made smaller and lighter while maintaining excellent power handling capabilities. This miniaturization not only reduces the physical footprint of power conversion systems but also improves their overall energy efficiency.

Advancement 4: Wide Frequency Response

Another remarkable advancement in amorphous metal core technology is its ability to handle a wide range of operating frequencies. Traditional magnetic materials exhibit limitations in their frequency response, resulting in significant energy losses and decreased converter efficiency at high frequencies. Amorphous metal cores, on the other hand, exhibit minimal effects of frequency and maintain their excellent magnetic properties across a wide range of operating frequencies. This flexibility makes them highly suitable for applications that require higher switching frequencies, such as renewable energy systems, electric vehicles, and data centers.

Advancement 5: Potential for Integration with Wide Bandgap Semiconductors

As the power electronics industry progresses towards higher power densities and increased efficiency, the integration of wide bandgap semiconductor devices, such as silicon carbide (SiC) and gallium nitride (GaN), has become a key focus. Amorphous metal core technology complements this trend by offering magnetic components with excellent performance characteristics that can be easily integrated into power modules alongside wide bandgap semiconductors. This integration maximizes efficiency and reduces the size and weight of power conversion systems even further.


The advancements in amorphous metal core technology have revolutionized the field of power conversion. With enhanced magnetic properties, improved temperature stability, miniaturization capabilities, wide frequency response, and compatibility with wide bandgap semiconductors, amorphous metal cores have proven to be a game-changer in next-generation power conversion systems. As research and development in this technology continue to progress, we can expect even more efficient and compact power conversion devices, paving the way for a sustainable and energy-efficient future.

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