Short answer: Only if contaminated with flavored juice. Many of you may have noticed that the winds of old gunky coils removed from tanks or drippers seem to be stuck together. Gently pulling on the legs reveals that they are indeed stuck together. Firmly adhered at that. But lesser so if the coil was recently dryburned. Raised my curiosity so I started some experiments a while ago.
Ran tests for adhesion on a dozen coils on a dripper where coils could be removed for testing without bending them. Some were pulsed only to achieving micro, some fired longer to achieve redish/yellow temps and some fired to bright yellow. Removed the coils after cooling and gently pulled on the legs. No aparent adhesion, sticking or fusing. All the winds(turns) just uniformly separated with similar effort for all 12 coils. (All 30awg).
Ran another test identical to the first but vaped them with unflavored 50/50 pg/vg 6mg nic base. Some for 1ml, some for 2ml etc and finally the last coil for 30ml. Same results as in the first test. No apparent adhesion, sticking or fusing together of the winds.
BUT WHY? It's a logical conclusion to believe they would. We're raising the coil temp (firing red/yellow) at or near the melting point (fusing temp) of the aluminum in the wire. And what about all those alumina crystals that are forming while the wires are touching? Surely they would grow together (adhere). Right? It's logical.
So I wonder. Could they still be adhering but at such a small level that I couldn't detect it? A possible conclusion without the scientific knowledge. But alas folks, it's not happening. The science prevents it from occuring.
For the answer why, and it will be slightly techie, see part 2.
cig
Ran tests for adhesion on a dozen coils on a dripper where coils could be removed for testing without bending them. Some were pulsed only to achieving micro, some fired longer to achieve redish/yellow temps and some fired to bright yellow. Removed the coils after cooling and gently pulled on the legs. No aparent adhesion, sticking or fusing. All the winds(turns) just uniformly separated with similar effort for all 12 coils. (All 30awg).
Ran another test identical to the first but vaped them with unflavored 50/50 pg/vg 6mg nic base. Some for 1ml, some for 2ml etc and finally the last coil for 30ml. Same results as in the first test. No apparent adhesion, sticking or fusing together of the winds.
BUT WHY? It's a logical conclusion to believe they would. We're raising the coil temp (firing red/yellow) at or near the melting point (fusing temp) of the aluminum in the wire. And what about all those alumina crystals that are forming while the wires are touching? Surely they would grow together (adhere). Right? It's logical.
So I wonder. Could they still be adhering but at such a small level that I couldn't detect it? A possible conclusion without the scientific knowledge. But alas folks, it's not happening. The science prevents it from occuring.
For the answer why, and it will be slightly techie, see part 2.
cig
