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| Divided he ad:
Good bit of info there John :thumbup: You rarely fail to make me chuckle with your posts :lol: Back to the more serious stuff.... Anodising, same as aluminium? Are there some special tricks you might recall? Just wondering for future ref' I may have to make a mock up of the torch body and then take Lyn (Kayz1) up on his visit offer and maybe test his anodising set up :) Ralph. |
| John Stevenson:
Presumably the same setup, don't really know as we used to send it out and just tell them it was magnesium. |
| raynerd:
Andy, we do indeed still demo Thermite and it is by far the most exciting experiment! That said, I`ve been doing it for 6 years now and each year I check the list to check it hasn`t been "banned" - no doubt in the near future it will be! Ralph - regarding the anodizing. I`ve googled it and no doubt it can be done but I don`t see how. It surely can`t be as straight forward as aluminium which I have managed to do and posted my results on here. Aluminium oxide readily sticks to the surface of aluminium but magnesium oxide is more like a powder that can be wiped off! Just from observing the two, I`m sure they must do something extra to give it a higher affinity to the surface. Interested to learn more and I`m also with John that if you don`t do something to it, your nice finish will very soon dull! Chris |
| Divided he ad:
John, Thanks for the reply.... It will take a little research! Chris, I'll look into it someday... If I find out anything I'll post it. One good thing about these torches is that they are always in and out of pockets.... Tends to keep them a little polished.... and a little scuffed :) Ralph. |
| andyf:
This might work: http://www.ehow.com/how_7395352_anodize-magnesium.html Doesn't tell you what the cathode should be, but I'd guess lead should be OK. I don't understand why it goes darker the longer you do it. As Chris says, the oxide is white, and I think the hydroxide is, too - isn't that the main constituent of the milk of magnesia that was poured down the younger me if I ever complained of stomach-ache? Andy |
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