Won't work. Top workable temperature for aluminum is 500 F.
Paul Lamar
Paul, it seems like aluminum is used in situations where it sees much
more than 500 degrees. A piston crown for instance. Aluminum might
not be tough enough at the apex seal area but titanium would be.
Direct metal laser sintering has been used to make turbine blades, so
it is plenty tough.
Bill Jepson
The piston crown gets cooled by the incoming charge every other
revolution.
400F is the absolute limit for aircraft cylinder heads. The apex
seal slot is high stress and wear area on the rotor. Not to mention
the phasing gear fixing.
Aluminum losses half it's strength at 500 F and melts about 1100 F.
Sintered metal is hard but brittle. It can be fractured with a
hammer blow.
Paul Lamar
Hi
I'm not expert or manufacturer of 3d printer, yet but I'm 16 years
experienced top class 3d software engineer was. And now I'm preparing 3d
printing software and hardware. About titanium or other printed
material. You can just easily order at online. It's not expensive just
1000$ Or something more. You can do it via imaterize.com with simple cad
drawing.
But about just rotor. 3d printing and titanium is not best option. You
can use simply inconel series. Price is very same via volume. And
working temporture is over 600c 900C. And. I think if you access cutting
machine you can easily make it.
Of course inconel 3d printer is no that much expensive million usd is
enough for that.so if use can access to that printer you can use it via
titanium or inconel. But I think you don't need 3d printer. It can be
done by traditional cnc machine.
3d printers miracle is not about titanium. It's about complex shape. CNC
machine 's motion limited by axis but 3d printer don't have limit so
rocket engine is ideal for for that. But rotor is too simple so we can
easily make via just cheap CNC machine.
If anyone curious about 3d printer technology i will help you at best
P_Bear
The Rotary Engine News Letter. Powered by Linux.
ACRE NL web site.
http://www.rotaryeng.net.
You Tube
http://tinyurl.com/beqqxas.
Copyright 1998-2013 All world wide rights reserved.