The fixings of neodymium magnets are Neodymium, Iron and Boron,which are short for neodymium or Nd-Fe-B. these metals are effectively oxidated.when the magnets are presented to air.The Iron in neodymium magnets can be rusted rapidly and the magnets will be ruined.so in what manner would we be able to secure magnets from erosion? Nickel, Zinc, Epoxy, Gold and Silver are utilized to cover the surface of the neodymium magnets. 

The covering does not influence the execution of magnets. what sort of covering is utilized to cover the magnets, everything relies on upon the clients' application.nickel has a gleaming silver and have great quality to secure the magnets.epoxy is a well known plastic covering which is 100% erosion sesistant. it is utilized to cover the magnets which are made for toys. Gold plating is connected over nickel. however the expense is much higher than nickel. 

 

♦ Do neodymium magnets represent a wellbeing peril? 

In the event that handle magnets in wrong way and reckless, neodymium magnets will be not sheltered great, a few articles in http://www.rscmagnet.com news segment says about this. 

 

♦ What are evaluations for neodymium magnets? 

When you see neodymium magnets named N35~n52, N33h~n50h,...n28uh~n38uh, Have you ever consider the meaing of these? The number after N speaks to the evaluation of magnets. the greater the number is, the stronger attraction the magnets have. On the off chance that the magnet's evaluation is N38uh, the 38 portrays the quality of the magnet, and UH demonstrates the highes working temprature the magnets can stand. 

 

♦ How are neodymium magnets made? 

The fixings: Neodymium, Iron, Boron are powerded and blended then pressed into molds under an extremely extraordinary weight. the material then experiences the sintering methodology to hotness in a vacuum. when it is cooled and afterward cut into shapes, and if the covering is essential, they will be secured with uncommon coating.