Re: [EVGRAY] Dotto Ring

Body

Norm,

Too bad it will burn all the insulation off magnet wire...  I would love
to anneal all my coils and raise the Q


On 3/24/2018 8:41 AM, Norman Wootan [email protected] [EVGRAY] wrote:
>  
>
> https://www.copper.org/publications/pub_list/pdf/a1360.pdf     Please
> refer to this "most excellent" publication on "Copper"!   After
> reading all about the research of others on this site, I would venture
> to guess that 90% of you folks do not realize the "improved
> performance" of coils etc. if you would just  "anneal" to get the
> maximum "conductivity"!  Pure 99.99 copper in a full "dead soft"
> annealed condition (after forming your device) will yield almost
> "super conductivity" at room temperatures!  Materials handbook
> (Metallurgy) shows what happens to copper molecular structure after
> annealing!  They call it "puffing up" the copper by loosening the
> atomic bonds.  Warren! works great on those copper head gaskets!  Lol 
> http://materialseducation.org/educators/matedu-modules/docs/Work_Hardening_and_Annealing_of_Copper.pdf          
> "Best of luck"!  Norm
>
>
> On 3/23/2018 10:46 PM, Mick [email protected] [EVGRAY] wrote:
>>  
>>
>> Warren,
>>
>> What is the procedure then in order to anneal copper in the way Norm
>> mentions in order that it become within one percent of a perfect
>> conductor?
>>
>> Would this be simply to bring it within so many degrees of
>> incandescence for so long and slowly cool it?
>>
>> My only experience is oil quenching steel to harden it in a machine
>> shop I worked at.
>>
>>
>> On 3/23/2018 7:46 PM, Warren Keillor [email protected]
>> [EVGRAY] wrote:
>>>  
>>> Mick
>>> Heat treating metals is a whole branch of metalurgy science.
>>> Copper work hardens. Heat softens it and wuenching does very little
>>> except cool it so you don't burn your fingers.
>>> Cheers Warren
>>> Sent from Yahoo Mail on Android
>>> <https://overview.mail.yahoo.com/mobile/?.src=Android>mick
>>>
>>>     On Fri, Mar 23, 2018 at 8:25 PM, Mick [email protected] [EVGRAY]
>>>     <[email protected]> wrote:
>>>      
>>>
>>>     Darrell,
>>>
>>>     Isn't quenching for hardening or is it also used in anealing?
>>>
>>>
>>>     On 3/23/2018 1:28 PM, [email protected]
>>>     <mailto:[email protected]> [EVGRAY] wrote:
>>>>      
>>>>
>>>>     Hi Norman my friend, It's been my experience in the past when I
>>>>     was into heat treating metals, that you really don't need to go
>>>>     cherry red, just heat it up ( propane torch) until it turns a
>>>>     nice solid gray color. Then quench it, No need to cool it
>>>>     slowly either. Worked for me.
>>>>
>>>
>>
>
>