TheGreenSmith

I recently been designing a brass part that I would like titanium coated. I chose titanium for its scratch resistance, non-toxicity (can anyone verify?), and its resistance to corrosion. Since the part I am plating is a mouthpiece for an instrument, these qualities are desirable. Side note: for all brass players out there, I will attempt to coat the rim and inside in silver if I can since I know titanium isnt the softest of metals. But back to the original question: can i titanium plate brass and if so how?

Thanks for all the input, it has been really helpful. However, since I don't have a forge or space for one, casting is out of the question. Also, for those of you who are wondering, the curved sides are very important to ensure the correct air flow and to help with the pitch. They can vary according to a players mouthpiece preferences. With this project however, I don't intend to make anything too custom, I just want something playable (as sort of a trial project). I actually chose the french horn mouthpiece despite the fact that I play trombone because I don't have to worry about too much material being wasted if/when I mess up. Thanks again for the help and I hope I added some clarity.

I am going to make a french horn mouthpiece out of brass. For those of you who don't know the shape, images are attached. My question: how do I make a funnel with curved walls on the inside as shown on the diagram? Can I use a lathe for this, and if so what bit?

Thank you for your replies. I just realized that I accidentally posted this in the wrong topic. I meant to post it in Problem Solving. Can it be moved? its about chemistry so it was moved here

I have been making a decorative knife out of 1018 cold roll steel. Because my mill is currently unusable, I cannot make the crossbar out of steel (the design is too complicated for other tools). I decided that casting it out of aluminium would be the next best option. However, steel and aluminium together create a risk of galvanic corrosion. After some research, it seems the best solution would be to use aluminium 2017, 2024, or 2117, since it is very close to 1018 on the galvanic series. I also plan to insulate the two metals with rubber. My question: Will this stop the corrosion?