The magnetic materials industry continues to evolve, with significant advancements and emerging trends. The following summary highlights recent developments, primarily focusing on the elevator traction machine and small-scale wind power generation markets.

Market Growth and Innovation:

• The global market for elevator traction machines is steadily growing, driven by urbanization and the increasing demand for efficient vertical transportation in mid- to high-rise buildings. Gearless traction elevators, which utilize permanent magnet synchronous motors, are becoming increasingly popular due to their efficiency and reduced maintenance needs. These systems eliminate the need for a dedicated machine room, offering significant space and cost savings.

Recent Developments:

• Innovations include the use of amorphous magnetic materials (AMM) and high-performance ferrite magnets to enhance efficiency and reduce costs. These materials contribute to higher torque density and lower energy losses.

• Companies like Hitachi are developing modernization packages to upgrade existing elevator systems with newer, more efficient traction machines, offering adaptable solutions to meet diverse customer needs.

• Hitachi Metals, now known as Proterial, has developed the NMF 15 high-performance ferrite magnet and validated its application in electric vehicle traction motors. These magnets do not use rare earth elements like neodymium, dysprosium, or terbium, mitigating resource risks. Simulation results indicate that by optimizing motor design, ferrite magnet motors can achieve the same output levels as those using neodymium magnets under certain conditions.

Market Dynamics:

• The small-scale wind power generation sector is expanding as global attention to renewable energy increases. Magnetic materials play a crucial role in the efficiency and performance of wind turbines, particularly in power generation.

Technological Advances:

• Research focuses on improving the performance of permanent magnets used in wind turbines. Advances in soft magnetic materials reduce eddy current losses and improve magnetic flux, which are essential for enhancing the efficiency of small-scale wind systems. Advanced ferrite magnets and amorphous magnetic materials have shown excellent performance in increasing power density and reliability in wind turbines.

INTERMAG 2024:

• The IEEE International Magnetics Conference (INTERMAG), held in May 2024 in Rio de Janeiro, showcased numerous recent advancements in magnetic materials research. Topics included spintronics, magnetization dynamics, and developments in both hard and soft magnetic materials. This conference is a key event for staying updated on the latest frontiers in magnetism and its applications.

This summary aims to provide insights into the current trends and innovations in the magnetic materials industry. For more detailed reports and tailored advice, feel free to contact us..

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