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在激光辅助条件下对NdFeB磁铁进行商业规模的修改

Natalia Radwan-Pragłowska1, Julia Radwan-Pragłowska2, Karol Łysiak3

  • 1Faculty of Electrical and Computer Engineering, Cracow University of Technology, Warszawska 24 St., 31-155 Cracow, Poland.

Nanomaterials (Basel, Switzerland)
|March 12, 2024
PubMed
概括

激光覆盖提供了一种有前途的方法来增强稀土元素 (REE) 磁铁,如NdFeB. 这种技术提高了磁铁的耐用性和阻力,这对于面临 REE 枯竭的绿色能源应用至关重要.

关键词:
激光表面修改的激光表面修改磁铁保护表面的保护.纳米结构涂料的涂层.永久磁铁 (PM) 是一种永久磁铁.

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Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...