Strong Magnet Magnetization Orientation
How do you differ from the north pole of a strong magnet without being marked?
Obviously, it is impossible to distinguish between eyes alone. The compass can be used to approximate the powerful magnet, and the pointer to the north pole of the earth points to the south pole of the powerful magnet.
How to safely handle and store powerful magnets?
Always be very careful, because strong magnets will stick together, it may pinch your fingers. When the strong magnets are attracted to each other, the strong magnet itself may be damaged by bumping (touching corners or knocking out cracks).
Keep powerful magnets away from items that are easily magnetized, such as floppy disks, credit cards, computer monitors, watches, mobile phones, medical devices, etc.
Strong magnets should be kept away from the pacemaker.
For larger, more powerful magnets, plastic or cardboard spacers should be added between each piece to ensure easy separation of the powerful magnets.
Strong magnets should be stored in a monotonous, constant temperature environment.
How to achieve magnetic separation?
As long as the material that can be attracted to the strong magnet is effective to the magnetic field, and the thicker the material, the better the magnetic separation effect. Magnetic Industry in MPCO
What is the strongest strong magnet?
The most powerful magnet now is a rare earth magnet, and in rare earth strong magnets, neodymium iron boron is the most powerful strong magnet. However, in the environment above 200 degrees Celsius, samarium cobalt is the most powerful and powerful magnet.
Types of powerful magnets:
Strong magnets, should be called magnetic steel, English Magnet, magnetic steel is now divided into two major categories, one is soft magnetic, the other is hard magnetic;
Soft magnetic contains silicon steel sheet and soft and strong magnetic core; hard magnetic contains aluminum nickel cobalt, samarium cobalt, ferrite and neodymium iron boron. In the meantime, the most expensive is samarium cobalt magnetic steel, the cheapest is ferrite magnetic steel. The highest function is NdFeB magnet, but the most stable function, the best temperature coefficient is AlNiCo magnet, users can choose different hard magnetic products according to different needs.
How do you define the function of a powerful magnet?
First, there are three utility parameters to determine the function of a powerful magnet:
Remanence Br: When the permanent magnet is magnetized to fullness and the external magnetic field is removed, the retained Br is called residual magnetic induction.
Coercive force Hc: Reduces the magnetization to the zero of the fully magnetized permanent magnet, and the required reverse magnetic field strength is called magnetic coercivity.
The magnetic energy product BH: represents the magnetic energy density established by the powerful magnet in the air gap space (the two magnetic pole spaces of the strong magnet), that is, the magnetostatic energy per unit volume of the air gap. Since this energy is equal to the product of Bm and Hm of a strong magnet, it is called a magnetic energy product.
Magnetic field: the magnetic field effect on the magnetic pole is the magnetic field
Appearance magnetic field: the magnetic induction intensity of a specified orientation of the permanent magnet external surface
How to choose a powerful magnet?
Before choosing which strong magnet to pick, should you know what effect the strong magnet needs?
Primary effect: moving objects, fixing objects or lifting objects.
The shape of the powerful magnet required: disc shape, circular shape, square shape, tile shape or extra shape.
Specifications for powerful magnets required: length, width, height, diameter and tolerance.
The suction of the required strong magnet, the quotation and quantity, etc.
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