Patent ID: 8028812

Claim:
A process for making an automotive braking device comprising a wheel brake rotor and hub, the rotor and hub comprised of titanium or titanium alloy, the process comprising: (a) providing a titanium or titanium alloy powder; (b) providing a brake rotor mold and a hub mold; (c) filling said brake-rotor mold and said hub mold with multiple layers of said titanium or titanium alloy powder; (d) compressing the multiple layers of said titanium or titanium alloy powder in said brake rotor mold and said hub mold to form a preform brake rotor and a hub; (e) sintering said preform brake rotor and said preform hub to form sintered brake rotors and sintered hubs; and (f) diffusion bonding said sintered hub to said sintered brake rotor to form said automotive braking device.