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Hard Disk Drive Permanent Magnets Assembly

/Hard Disk Drive Permanent Magnets Assembly
  • Hard Disk Drive Permanent Magnets Assembly

Hard Disk Drive Permanent Magnets, Hard Disk Actuator Magnet, Hard Drive Neodymium Magnets Assembly, HDD Magnets Assembly, Hard Disk Drive Ferrite Magnet Assembly, Neodymium permanent magnets from hard disk drives (HDDs)

We can supply any size and shape hard drive magnets assembly (neodymium or ferrite) for customer’s design drawing. Please send your products design to us, we can the best magnetic solution for your plan.

Typically there are a few neodymium magnets in the hard drive (drive and linear head motors) along with multiple electromagnets. Data are stored in hard disk drives on the basis of magnetism. The surface of the disk is coated with magnetic material that consists of billions or even trillions of tiny magnets.

As a way to manage neodymium-iron-boron (NdFeB) magnets wasted in end-of-life hard disk drives (HDDs), a waste characterization is needed prior to a recycling process. Due to their magnetic properties, NdFeB magnets are essential in technological applications nowadays, thus causing an increase in the industrial demand for rare earth metals. However, these metals have a short supply, since they are difficult to obtain from ores, creating a critical market. In this work, a study of the characterization of sintered neodymium-iron-boron magnets was undertaken by qualitatively and quantitatively uncovering the neodymium recovery potential from this type of electronic waste. From the collection and disassembly of hard disk drives, in which the magnet represents less than 3% of the total weight, an efficient demagnetization process was proceeded at 320°C. Then, the magnet was ground and screened for an X-ray diffraction (XRD) analysis, which showed the Nd2Fe14B tetragonal phase as the dominant constituent of the sample. An analysis was also carried out in a scanning electron microscope (SEM) and an inductively coupled plasma optical emission spectrometer (ICP-OES), where the magnet composition showed 21.5wt% of neodymium and 65.1wt% of iron, among other chemicals. This Nd content is higher than the one found in Nd ores, enhancing the recyclability and the importance of waste management. Hard Drive Magnet Assembly

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Iron-Neodymium-Magnet-HARD-DRIVE-ACTUATOR

Iron-Neodymium-Magnet-HARD-DRIVE-ACTUATOR

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