Ceramic Magnet Grades

Grade 8 is the strongest ceramic magnet material available refer to properties chart below.

Ceramic magnet grades.

Ceramic magnets also known as ferrite magnets were developed in the 1960 s as a low cost alternative to metallic magnets. Ceramic discs view a small sampling of our stock ceramic disc magnets in grades 1 5 or 8. The surface field is the strength of the magnetic field measured right at the surface of the magnet. Neodymium magnets samarium cobalt smco magnets ceramic magnets alnico magnets bonded magnets and injection molded magnets all have various options and choosing the correct grade for your application is critical.

They are composed of iron oxide and strontium carbonate. While their hard brittle quality and low energy exclude them from some applications ceramic magnets have won wide acceptance due to their corrosion and demagnetization resistance and low price per pound. Ferrite magnets also known as ceramic magnets are a type of magnet that is made out of a mixture of metals that is called ferrite. Understanding magnet grades magnet tables by.

Temperature considerations for ceramic magnets. Low cost light weight a relatively high energy product and good resistance to demagnetization account for the widespread use of ceramic magnets. In terms of the magnetic properties ferrites are often classified as soft and hard which refers to their low or high coercivity of their magnetism respectively. Grades 5 and 8 are oriented ceramic material.

Ceramic grades 5 most commonly used through 8 are available in disc block rectangle square and ring shapes and can be custom manufactured to meet your specialty requirements. This range allows for optimizing the cost performance and operational temperature resistance for a wide range of applications. Our stock ceramic ring magnets are grade 5 magnetized through the thickness. The range of ceramic magnet alloy grades available from dura magnetics typically extends from 1 05 3 8 mgoe.

Grade n42 magnets have a br of 13 200 gauss while n52 magnets can be as high as 14 800 gauss. The weakest grade of ceramic material is grade 1 which is typically non oriented. Ferrite is made up mostly of a chemical element called iron oxide. Ceramic also known as ferrite magnets are made of a composite of iron oxide and barium strontium carbonate by ceramic processing technology.

Michael brand president coo each day we get asked questions about the differences in magnetic materials. Ceramic magnet grades shapes. Ceramic magnets can be used at fairly high temperatures although their magnetic properties drop with temperature. Ferrites are like most other ceramics hard and brittle.

See our specs page for more br values for various neodymium magnet grades. More specifically ferrite magnets are made up of 90 percent iron oxide along with traces of other types of metals and elements to make up the remaining 10 percent.