Ceramic Magnet Strength Rating

Ceramic magnets also known as ferrite magnets are part of the permanent magnet family and the lowest cost hard magnets available today. Ceramic ferrite magnets are composed of barium or strontium ferrite and the most widely used lowest cost magnet material available today. The magnetic field strength is a measurement of the magnetic field s strength and direction at a particular point near the magnet.

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Magnet Grades

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Temperature And Neodymium Magnets

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It is expressed in gauss or tesla 1 tesla 10 000 gauss.

Ceramic magnet strength rating.

As with all magnet alloys ceramic magnets should not be used as structural elements. Ceramic magnets have the lowest energy density of the commercially viable alloys but are by far the most cost effective. Relatively high in magnetic strength and exhibiting good resistance to demagnetization ceramic magnets are popular for many consumer applications. Composed of strontium carbonate and iron oxide ceramic ferrite magnets are medium in magnetic strength and can be used at fairly high temperatures.

Neodymium magnets will lose about 1 of their magnetic strength every 10 years due to self demagnetization. If a magnet has a grade of n 42 it has a maximum energy product of 42 mgoe. Often sacrificing space and using more ceramic ferrite magnet alloy is a very good trade off for the low cost. In general the number indicates the strength of the magnet measured in megagauss oersted mgoe.

For example an n 42 magnet is about 2 stronger than an n 40 magnet. They are very. It depends on the size shape and grade of the magnet where the measurement is performed and the presence of any other magnets or ferromagnetic materials nearby. Bhmax mgoe maximum energy product measured in mega gauss oersteds this is a direct measurement of a materials maximum magnetic strength after the magnet is fully saturated charged by an external magnetic field.

For every increase of 1 the magnet s strength increases by about 1.