One question we often ask ourselves is, how do some things stick without glue or tape? It's all because of magnets! Magnets are materials that can pull certain metals toward it. One kind of magnet that scientists study is made from powdered iron oxide. You wont believe the things this powder does when it turns into a magnet!
Iron oxide powder consists of very small particles, which can only be seen under lense. These particles possess the ability to attract some metals such as iron and steel. Aligned in a specific way, they generate a magnetic field around them. This is the magnetic field that causes the iron oxide powder to stick to the magnets.
Scientists and engineers have made many useful tools and devices using magnets made from iron oxide powder. One common use of these magnets is in compasses, which always help people find their way when they explore. Some motors and generators, which generate electricity, also use iron oxide powder magnets. You’ll even find magnets like these in some medical devices — such as MRI machines, which let doctors peer into your body.
Iron oxide powder magnets can be found in many things in our day-to-day life. Case and point the refrigerator magnets which stick to the metal door where we post-it notes to remind us of important things. These magnets are also present in computer hard drives, and write information on our devices. Iron oxide powder magnets are in some speakers, which allow us to listen to music and watch videos on our phones and computers.
Iron oxide powder magnets can have very high magnetic fields. Such strong fields can hoist heavy objects and help propel electric cars. Some researchers are studying the use of iron oxide powder magnets to create levitating trains traveling at hyper velocities!
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annual capacity of KPT Company's production 200000 tonnes, and it has atomized powder sponge iron production iron oxide powder magnetic. It is the current largest company, with most complete most technologically advanced powder production company in China.
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