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| Present for dad - ally fountain pen. |
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| raynerd:
I have just had a go at anodising earlier today on a test piece of aluminium and I am very impressed with the results. The method I got off the internet, I used 1.5M sulphuric acid in an electrolysis bath with a lead cathode and the aluminium “job” at the anode running at 12V, drawing about 3-4A for 45 minutes. I also placed the electrolysis bath in a large tub of iced water to keep the electrolysis bath cool. I know I know. … pictures! I haven`t got my camera with me here at work so when I do the real piece either tomorrow or Friday I take some. After 45 minutes I removed the aluminium from the electrolysis cell and there was clearly a harder layer on the surface which was much more resistant to scratching (with a pair of scissors!) than the non-anodised section at the top. I also took it a step further since I read at this stage you can get the fancy colours and stain the aluminum at this point! I needed an organic dye so I had a good selection to choose from, I used indigo carmine in the end as it is a deep blue colour, I made up a pretty strong solution and dippied the piece into the dye for 3 minutes then washed it off. It stopped washing off after a few minutes and then I placed the piece in water at 100 deg for 5 minutes to seal the layer and finish the work. It looks very good, a great blue colour and a decent hard layer! Thanks for the suggestion and idea of anodizing it, this is another skill I`ve learnt. I`ll post more details in this thread later but also may start a new thread with my method in the “polishing and anodizing forum” Cheers guys |
| NickG:
Chris, I would be interested to see your anodising. We do it here at work but I wouldn't know how to go about it on a small scale. I wasn't being awkward, I just wondered if you'd tried the little lathe out yet! :thumbup: Soldering the ring sounds a good idea if you can get the joint small enough. |
| Bernd:
Nice looking pen Chris. Better hurry up with those mods that have been sugested. Only 8 more days till X-mas. But who's counting. :lol: Bernd |
| tinkerer:
--- Quote from: craynerd on December 16, 2009, 03:34:54 AM ---I have the time to do it but I don`t know where you would sorce the gold. That methods sounds easier and neater to me than the brass inlay and soldering the joint. --- End quote --- Here is a link to a place in Coventry for future reference. I would think any jeweler would have the gold wire. I bet this won't be the last pen you make. :ddb: :ddb: :ddb: http://www.palmermetals.co.uk/category/Wire.aspx |
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