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Techtalk • View topic - µ-Metall-Fetischbilder
Page 2 of 2

PostPosted: Fri Oct 19, 2012 9:44 pm
by kubi

Re: µ-Metall-Fetischbilder

PostPosted: Sat May 16, 2015 8:59 pm
by mch
Bei R*chelt gibts jetzt das ultimative Geschenkpapier fuer den µ-Metall-Fetischisten im Endstadium:

http://www.reichelt.de/Oszilloskope-Spe ... OFFSET=16&

oder selbstklebend:

http://www.reichelt.de/Oszilloskope-Spe ... OFFSET=16&

;-)

Schoenen Sonntag,
Michael

Re: µ-Metall-Fetischbilder

PostPosted: Sun May 17, 2015 9:14 am
by jensenmann
Guter Tip!
Das Material ist in einer lustigen Kategorie eingestellt worden. Für den Gegenwert von 7 Rollen MuMetall bekommt man schon einen EMV-Spektrumanalyzer :shock:

Re: µ-Metall-Fetischbilder

PostPosted: Tue May 19, 2015 1:16 am
by MarkusKrippner
Mu Metall auch mal bei ebay eintippen...da hats auch was....auch kleinere Mengen.

Andererseits schreibt Wikipedia:
"Wenn Mu-Metall gebogen, verformt oder mechanisch bearbeitet wird, bricht die hohe Permeabilität drastisch ein. Werte herunter bis \mu_r=150 sind möglich. Deswegen sollte Mu-Metall nach mechanischer Beanspruchung unbedingt erneut geglüht werden, um durch Ausheilen von Gitterfehlern die hohe Permeabilität wiederherzustellen."

Insofern weiß ich nicht, ob ein Selbstbau (Selbstbiegen) von Trafogehäusen ratsam ist.

...markus :-)

Re: µ-Metall-Fetischbilder

PostPosted: Tue May 19, 2015 3:40 pm
by mch
Markus, darueber habe ich mich auch gewundert.
Aber im Prospekt steht ja explizit drin, dass man seine Trafos nach dem Einwicklen eben nicht mehr unter Schutzgas
ausgluehen muss. Wie das geht ... ? Vielleicht funktioniert es wegen der geringen Dicke einigermassen. Es geht ja
um Gitterstrukturen, in die dann wieder Fehlstellen kommen, die bei hoher Temperatur wieder ausheilen.
100µ sind aber im Vergleich zu einem atomaren Gitter immer noch recht gross...

Eigentlich[tm] sollte ich das zumindest mal gewusst haben... :oops:

Gruesse
Michael
(Buerklin hat solche Folien uebrigens auch)

Re: µ-Metall-Fetischbilder

PostPosted: Tue May 19, 2015 7:15 pm
by bernbrue
Kurze Frage: sind die Dannerkassetten eigentlich auch aus Mu Metall?
LG
Bernd

Re: µ-Metall-Fetischbilder

PostPosted: Tue May 19, 2015 9:23 pm
by [silent:arts]

Re: µ-Metall-Fetischbilder

PostPosted: Wed May 20, 2015 2:39 pm
by mch