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powerful magnets

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Classification and performance of magnetic materials

Classification and performance of magnetic materials Classification and performance of magnetic materials - Magnetic materials can be divided into permanent magnetic materials, soft magnetic materials and functional magnetic materials according to their functions. The indicators to measure the performance of magnetic materials mainly include three series: stability, demagnetization resistance, and temperature resistance. Permanent magnets, also [...]

New energy vehicles are the key downstream of magnetic materials

New energy vehicles are the key downstream of magnetic materials The vigorous development of new energy vehicles has brought huge development space for magnetic materials. The sales volume of new energy vehicles in my country has increased from 507,000 in 2016 to 3.521 million in 2021, with an average annual growth rate of 47.34%. From [...]

Competition in the low-end market of magnetic materials will be more intense

In the future, the competition in the low-end market of magnetic materials will be more intense With the development of my country's industry and changes in consumer electronics products, magnetic materials will have a long development period of 10-20 years, and the product structure will develop towards digitalization, flat panelization, integration and energy saving. The [...]

Magnetic materials are expected to become the next innovation hotspot

Magnetic materials are expected to become the next innovation hotspot As an important functional material, magnetic materials are becoming more and more important in the information age, and have become one of the pillar industries of my country's national economy. It is estimated that the market size of my country's magnetic materials will reach 325 [...]

High-quality development of magnetic material industry

High-quality development of magnetic material industry "2022 China Magnetic Material Market Status Survey and Future Development Prospect Trend Report" believes that my country's magnetic material industry is in the process of "from big to strong" development, but as an emerging developing country, due to fierce competition in the magnetic material industry , the development of [...]

How can it be regarded as a valuable strong magnet, and how to distinguish

How can it be regarded as a valuable strong magnet, and how to distinguish Now many people know that strong magnet is more valuable, but they are not very clear about what kind of strong magnet is, because there are many kinds of magnets, and some people ask whether it is strong magnet if the [...]

If a magnet keeps doing work, will its magnetism be weakened or even disappear?

If a magnet keeps doing work, will its magnetism be weakened or even disappear? There are many misconceptions about magnets and how they are magnetic. Since the magnetism of a magnet is invisible and intangible, it will be more abstract in the eyes of many people, and it is difficult to reflect it intuitively. First [...]

Magnetic Domains

Magnetic Domains In ferromagnetic materials, smaller groups of atoms band together into areas called domains, in which all the electrons have the same magnetic orientation. That's why you can magnetize them. See how it works in this tutorial. Electrons are teeny tiny magnets. They have a north and a south pole and spin around an [...]

How are magnets made?

How are magnets made? More than 20 years of doubts have finally been solved Magnets, we remember deeply when we were young, it is a magical thing. After class, I played a magnet fight in the classroom. Two magnetic fighters each took a magnet and placed it on both sides of the center line at [...]

A girl swallowed toy magnet by mistake, and the doctor took it out smoothly

A girl swallowed toy magnet by mistake, and the doctor took it out smoothly 10 days ago, a 7-year-old girl Jiajia (pseudonym) accidentally put 2 toy magnets into her esophagus while playing with her classmates, and then she vomited and cried uneasy. , and then went to the Second Department of General Surgery of our [...]

How Magnets Work

How Magnets Work You probably know that magnets attract specific metals and they have north and south poles. Opposite poles attract each other while like poles repel each other. Magnetic and electrical fields are related, and magnetism, along with gravity and strong and weak atomic forces, is one of the four fundamental forces in the [...]

Doctor, the child eat magnet, what should I do?

Doctor, the child eat magnet, what should I do? "Doctor, the child has eaten the magnet, what should I do?" On the morning of May 18, a mother and child came to the Hengjie Town Health Center in Haishu District of Ningbo City. The 7-year-old child accidentally swallowed the magnet. It turned out that the [...]

What to do if you swallow a magnet

What to do if you swallow a magnet If the magnet is swallowed in the stomach, if the general condition is good and there are no related symptoms, it can be temporarily observed; if it cannot be discharged, cathartics can be taken orally, or the foreign body can be removed directly under the endoscope. 1. [...]

Why can’t small magnets be put together with big magnets?

Why can't small magnets be put together with big magnets? There is no such requirement, that is to say, this statement is wrong. Farewell and small magnets can be stored together. During their storage, the magnetic attraction force of the large magnet will not be separated from that of the small magnet. The weakening of [...]

Magnet Myths

Magnet Myths Every time you use a computer, you're using magnets. If your home has a doorbell, it probably uses an electromagnet to drive a noisemaker. Magnets are also vital components in CRT televisions, speakers, microphones, generators, transformers, electric motors, burglar alarms, cassette tapes, compasses and car speedometers. In addition to their practical uses, magnets [...]

Why Magnets Stick

Why Magnets Stick If you've read How Electromagnets Work, you know that an electrical current moving through a wire creates a magnetic field. Moving electrical charges are responsible for the magnetic field in permanent magnets as well. But a magnet's field doesn't come from a large current traveling through a wire — it comes from [...]

The Details of Making Magnets

The Details of Making Magnets To make a permanent magnet, all you have to do is encourage the magnetic domains in a piece of metal to point in the same direction. That's what happens when you rub a needle with a magnet — the exposure to the magnetic field encourages the domains to align. Other [...]

“Bite hand” magnet ring jams student’s finger

"Bite hand" magnet ring jams student's finger The "biting hand" magnet ring stuck the student's finger, and Hubei Xianning fire department quickly removed it in 2 minutes On December 3, the left middle finger of a student of Chibi No. 1 Junior High School in Xianning City, Hubei Province was caught by a magnet ring. [...]

Researchers Develop New Method to 3D Print Magnets

Researchers Develop New Method to 3D Print Magnets Teams from the Jean Lamour Institute (IJL), the Materials Science research laboratory of the University of Lorraine, have developed a method for producing magnets with a desktop FDM 3D printer. The researchers claim to have succeeded in integrating magnetic properties into various 3D printed parts, all without [...]

3D-printed magnets help create more efficient electric motors

3D-printed magnets help create more efficient electric motors Upscaling the production of new 3D-printed rare earth permanent magnets VTT Technical Research Centre of Finland is leading a European consortium 3DREMAG which is developing a new material suitable for 3D printing of permanent magnets, which can be utilised in electric and hybrid vehicle motors. 3DREMAG is [...]

3D-printed permanent magnets outperform conventional versions

3D-printed permanent magnets outperform conventional versions conserve rare materials Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated that permanent magnets produced by additive manufacturing can outperform bonded magnets made using traditional techniques while conserving critical materials. Scientists fabricated isotropic, near-net-shape, neodymium-iron-boron (NdFeB) bonded magnets at DOE's Manufacturing Demonstration Facility at ORNL [...]

Some Background Information About Neodymium Magnets

Some Background Information About Neodymium Magnets Rare Earth “Neodymium magnets are a member of the Rare Earth magnet family and are the most powerful permanent magnets in the world. They are also referred to as NdFeB magnets, or NIB, because they are composed mainly of Neodymium (Nd), Iron (Fe) and Boron (B). They are a [...]

Meteorites, Magnets, and Metal Detecting

Meteorites, Magnets, and Metal Detecting I’ve probably been watching too much “Meteorite Men” on the Science Channel. I’m starting to see little rusty rocks everywhere I go, and since I visit a lot of gravel bars in the course of rockhounding and gold prospecting, I’m getting nervous that I’ve passed over a valuable piece of [...]

SCIENTISTS PLAN A MAGNETIC FISHING TRIP TO FIND A METEOR

SCIENTISTS PLAN A MAGNETIC FISHING TRIP TO FIND A METEOR In 2014, the first known meteor from outside of our Solar System crashed into the ocean near Papua New Guinea. It was one and a half feet wide, but broke up into smaller fragments. Scientists will attempt to bring pieces about 0.1 millimeter (about the [...]

Astronomers want to use magnets to salvage underwater meteorites

Astronomers want to use magnets to salvage underwater meteorites Astronomers plan to use a mattress-sized magnet to salvage meteorites from the ocean, according to a report on the website of Popular Mechanics on August 18. On January 8, 2014, a meteor exploded over the Pacific Ocean north of Papua New Guinea at a speed of [...]

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