The above two photographs are of Headjoints made from Titanium by Jonathon A Landell
The lower photo is of a titanium flute headjoint which is "powder coated" involving a process using a two part resin in powder form. In a chamber the part is charged with an electrical charge which attracts the particles to the surface and when they combine they bond to the metal.
The upper photograph shows a titanium headjoint which has been annodized with a rainbow of colours as a demonstration of the range of colouurs available from this process. This does not add any material to the metal, but rather changes the chemical composition of the top layer of the metal using an electrical charge and a variety of chemicals in a bath. The anodized head can be made in any of those colours, or all of them if you like.
Titatium is an exceptionally light and strong metal.
Jonathon Landell has made one whole flute of titanium - with the keywork being of Silver as a prototype and in the future plans to make a whole flute in titanium, keys and all.
It should be said that he also makes beautiful conventional flutes.
Thanks are to Jonathon for help with the above notes.
The above photograph and notes are as accurate as my knowledge on the subject permits.