[Lowfer] Repairing Ferrites

[Zack Widup]

>From my experiences, I would say "Yes, but ..." The "but" is that the
repaired (glued) ferrite won't have exactly the same characteristics
of an unbroken one. You'll probably need a slightly different number
of turns for the desired inductance.

Someone used to make a "ferrite glue." When I worked in an electronics
repair shop we had a bottle of it. It was a sticky mess but seemed to
do fairly well at gluing ferrite bar antennas. It had some ferrite
powder mixed in with the glue. I did note that, after gluing a ferrite
bar with it, the radio had to be realigned.

I don't know if this stuff is still available or not. I think it was
made by GC Electronics.

73, Zack W9SZ

On 4/9/12, Stan, W1LE <stanw1le at verizon.net> wrote:
> Hello The Net:  Good Morning,
>
> If I have a broken toroid, can I fit the pieces back together and glue
> them together ?
>
> I think I can, using a epoxy, and being sure to exactly fitting the
> pieces together.
> Also being sure the joints are as small and as close as possible,
>   ie. minimum thickness of the glue.
>
> Now, If I have ferrite rods and I want to stack them up axially, for
> greater length,
> and I am sure the mating surfaces have maximum contact area, just glue
> them together.
>
> Ferrite rods assembled radially would have to be insulated from one another.
> Using a minimum thickness insulator like electrical tape applied axially.
>
> Is my logic poor ?  What is the collective wisdom ?
>
> Stan, W1LE    Cape Cod   FN41sr
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