ToddB64
Sr. Member
- Jan 7, 2007
- 418
- 73
- Detector(s) used
-
Teknetics Gamma 6000,
Tesoro Bandido II µMax and
Compadre, White's Classic II,
Garrett Ace 250
- Primary Interest:
- Metal Detecting
Do coin & jewelry core materials affect target analysis ?
Hi everyone ! I'm fairly new to MD'ing and this forum. Just got my first metal dtector, the Garrett Ace 250, about a year ago.
I was wondering, do the core materials typically used for clad coins and plated jewelry have any affect on target analysis and identification ?
For example, in the case of five cent nickel having a highly conductive copper core, but clad with low conductivity nickel, would the radio waves from the coil cause a response signal from the core material, and if so, how much influence does this have on target analysis and identification? Or does the nickel cladding, having the much lower conductivity, provide the
dominate response signal ?
If I understand correctly, radio signals in the frequency range normally employed for metal detectors can pass through most, if not all, materials. Therefore, it would seem that core materials would contribute to the data analysed for target identification.
Assuming two nickels, both having a high conductivity copper core, but one clad with low conductivity nickel and the other clad with high conductivity silver (i.e. a Standard IH/Buff nickel versus Wartime), I would guess that the dominating influence on target identification would come from the higher conductivity metal, regardless if it is the core or the clad material.
To those who reply........Thanks a lot !.........Todd
Hi everyone ! I'm fairly new to MD'ing and this forum. Just got my first metal dtector, the Garrett Ace 250, about a year ago.
I was wondering, do the core materials typically used for clad coins and plated jewelry have any affect on target analysis and identification ?
For example, in the case of five cent nickel having a highly conductive copper core, but clad with low conductivity nickel, would the radio waves from the coil cause a response signal from the core material, and if so, how much influence does this have on target analysis and identification? Or does the nickel cladding, having the much lower conductivity, provide the
dominate response signal ?
If I understand correctly, radio signals in the frequency range normally employed for metal detectors can pass through most, if not all, materials. Therefore, it would seem that core materials would contribute to the data analysed for target identification.
Assuming two nickels, both having a high conductivity copper core, but one clad with low conductivity nickel and the other clad with high conductivity silver (i.e. a Standard IH/Buff nickel versus Wartime), I would guess that the dominating influence on target identification would come from the higher conductivity metal, regardless if it is the core or the clad material.
To those who reply........Thanks a lot !.........Todd
