What is a Neodymium Magnet? Neodymium magnets, also known as NdFeB magnets, are composed of chemical elements such as neodymium, iron and boron, and are an artificial permanent magnet. As the most commonly used rare earth magnet, neodymium magnets are widely used in electronic products, such as hard drives, earphones, mobile phones and so on….
Permanent samarium cobalt magnets (SmCo) are composed of samarium, cobalt, and iron. These rare earth magnets are small, metallic in appearance, and have simple shapes such as rings, blocks, and disks, making them extremely strong. What Are the Properties of Samarium Cobalt? 1. High resistance to demagnetization 2. High energy 3. Good temperature stability 4. Expensive…
People often ask how can strong magnets be carried on the plane? What measures need to be taken? What are the requirements for packaging? Why Are There Restrictions on Bringing Magnets on the Plane? Since the weak stray magnetic field interferes with the aircraft’s navigation system and control signals, the International Air Transport Association (IATA)…
Due to the name permanent magnet, many people think that the magnetism of permanent magnets, including NdFeB magnets, is permanent and will not degrade. But is it really so? In practice, the magnetism of the NdFeB magnet will gradually degrade or even disappear. Below we will analyze the reasons for the magnetic degradation of the NdFeB…
Customers often ask, how much iron can a magnet of a certain specification draw and what affects the attraction? This question is difficult to answer, and it is also related to your specific use. Now we have collated some measured attraction data of NdFeB strong magnet specifications for your reference. 1. Mini Small Size Powerful Magnet…
This article will compare the differences between rubidium iron boron magnet and samarium cobalt magnet from the aspects of appearance, composition, structure, performance, price, surface treatment, application, etc. 1. Appearance difference between neodymium iron boron magnet and samarium cobalt magnet The appearance of the semifinished product is basically indistinguishable. In the case of finished products:…
In this paper, five common surface treatment methods for Neodymium magnets will be introduced. 1. NdFeB Oil Removal The oil stain on the surface of NdFeB is brought from the processing of materials, such as antirust grease used for antirust during storage and transportation, cutting fluid contacted by parts during cutting, etc. Before further surface…
Magnets work becuase of magnetism, Could you know the principle of magnetism produced by magnets? We’ll discuss this theme in the aritcle. Why Most Substances Don’t Have Magnetism Most substances do not appear magnetic under normal conditions. Reason: Most substances are composed of molecules, molecules are composed of atoms, and atoms are composed of atomic nuclei…
The chemical stability of NdFeB materials is poor, and is easily corroded in a humid and hot environment, which will weaken the magnetic properties and directly affect the service life of the permanent magnet. There are two min ways to alleviate the easy corrosion of NdFeB magnets. 1. Improve the Corrosion Resistance of the NdFeB Magnets…
Rare earth neodymium magnets (NdFeB) are the strongest permanent magnets available. Neodymium magnets are mainly made of an alloy of neodymium (Nd), iron (Fe) and boron (B). Small amounts of additional elements such as praseodymium (Pr), dysprosium (Dy), aluminum (AI), and niobium (Nb) are also added to it. These elements can be added to enhance…
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