I've heard tales of ovens filled with hydrogen (in part to exclude O2 which is reputed to be an enemy in the annealing process) "cooled" slowly down through the range of 700 degress C. Live a long and together life ;-) Cheers Ed Thelen CapAAVSO@....... wrote: > > In a message dated 6/12/00 7:01:55 PM Eastern Daylight Time, > ChrisAtUpw@....... writes: > > << When you bend > Mu-Metal, the permeability does decrease a bit. >> > > ------------------------------------------------------------------------------ > ----------- > High Chris, > I want to cut and bend some mu-metal to make a core for a flux gate. I > have been told the core will need to be annealed to restore its permeability > or the flux gate won't work very well. Can anyone tell me how to anneal a > toroidal core about 5 cm in diameter? > Many thanks, > Cap > __________________________________________________________ > > Public Seismic Network Mailing List (PSN-L) > > To leave this list email PSN-L-REQUEST@.............. with > the body of the message (first line only): unsubscribe > See http://www.seismicnet.com/maillist.html for more information. __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>