Re: [EVGRAY] Dotto Ring

Body

In a resonant "tank" you have three factors. Impedance, Capacitance & 
Resistance.   When at absolute "peak" (lossless region) highest possible 
"Q", X-L & X-C totally cancel out leaving only "resistance", consider if 
your resistance is "lowest possible"!      This is where you wan to be!


On 3/24/2018 12:01 PM, Mick [email protected] [EVGRAY] wrote:
>
> 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.
>>>>>
>>>>
>>>
>>
>
>