High Perm with Low Saturation Material

[Razillian]

I'm sure this has probably been answered already, but the search is less than agreeable at the moment. I've been looking through the datasheets of a wide variety of alloys but am hoping someone here can help speed up my search. I need a material with a high magnetic permeability but very low saturation level.

The more permeabile and quicker the material saturates, the better. Currently I am using Nickel, but there has to be something better out there.

As always, any help is greatly appreciated.

-Andrew

 

[BobM3]

Silicone Steels. Check out Tempel Steel Company.

 

[sreid]

Take a look at mu-metal

http://www.magnetic-shield.com/index.html

 

[MagMike]

I think BobM3 meant Silicon Steels, not Silicone...

Razillian: It would be helpful if you could quantify your requirements a little more. You mentioned you want something better than nickel, but that is still rather vague.

However, I will make one suggestion: Try iron powder mixed with an epoxy binder. The iron will have high permeability, but because it is "diluted" with the epoxy binder, the magnetization output will be reduced.

 

[EdStainless]

Ni is the classic for high perm/moderate saturation. Either Fe powder or a ferrite may be you best option that won't break the bank.

= = = = = = = = = = = = = = = = = = = =
Still trying to help you stop corrosion.
formerly Trent Tube, now Plymouth Tube
eblessman@plymouth.com
or edstainless@earthlink.net

 

[hacksaw]

when did iron powder acquire high perm!

is this for switching, shielding, or a small signal application

why are you using nickle?