People first became acquainted with the magnet in ancient times. However, very quickly this natural stone has ceased to meet the needs of the people. It was then developed the technology of manufacturing magnets. Of course, since then much time has passed. Technology has changed considerably and it is now possible to make a magnet at home. It does not need to possess special skills and knowledge. It is sufficient to have at hand all necessary materials and tools. So, making magnet are as follows.
All materials capable of magnetization, can be divided into soft magnetic and hard magnetic. Between them there is a significant difference. Thus, soft magnetic materials retain magnetic properties for long.
You Can do an experiment: spend a few times on a strong magnet iron wedges. As a result, the material will acquire the properties to attract other metal objects. However, the production of a magnet, constantly have these abilities, in this case is impossible.
These materials are the result of magnetization normal piece of iron. In this case, the properties remain much longer. However, they completely disappear upon impact of the subject on a fairly hard surface. Also magnetic properties are destroyed if you heat the material to 60 degrees.
Production of magnets with their hands will not take much time and does not require much cost. This requires:
This method is the most simple. Enough to hold in one direction several times magnetized the subject of permanent strong magnet. That's all. Note, however, that magnets manufactured by a similar method to keep the magnetic field for long and very quickly lose their properties. These products are only suitable for simple manipulations. For example, such a magnet can help remove the rubble from the slit the needle and draw the bolts, but no more. Therefore, this method seriously consider not worth it.
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The Manufacture of permanent magnets can be realized in another way. This will require a battery. You can use it to magnetize any suitable material. It is quite simple and requires no special tools. Metal object magnetic properties attached to the electromagnet.
Let's consider an example with a screwdriver. To start the tool should be wrapped by insulator and then wound about 300 turns of wire. It is better to use the one that is used for the manufacture of transformers. After this wire must be connected to the battery or the battery, preferably on 5-12 volts. As a result of such manipulation of the electromagnetic field will magnetize the screwdriver.
Magnet Manufacturer can seem difficult. Since the above method does not guarantee that the properties will be stored for a long time. A stronger magnet can be created using field coils. The metal blank should be small, as it will need to be placed inside the coil. After that, you should perform the exact procedure as described in the previous method. The only difference is that the turns of wire have to do twice, that is, 600. Only in this case it might be good for a magnet.
The Manufacturer of the magnet in this case involves the use of current drawn from the mains. This method is quite dangerous, so all manipulations should be performed carefully. We will need a fuse, without which nothing happens. It must be connected with the inductor coil, which is located inside a metal blank.
Of Course, the inclusion of a similar construction to the network will burn the fuse. However, during this short period of time the metal blank will have charged, as in this case created a sufficiently strong electromagnetic field. Here it is worth considering one nuance: the higher the amperage, the stronger get a magnet. For coil winding should be used only copper wire.
The Manufacture of permanent magnets at home — the process is fairly simple. However, when you use certain diagrams should be neat.
The Most powerful permanent neodymium magnets is considered. Make it at home, but this requires the procurement of rare earth metal — neodymium. In addition, to apply the alloy of boron and iron. Such a workpiece is magnetized in a magnetic field. It should be noted that this product has tremendous power and loses only 1 percent of their properties for a hundred years.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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