Turbine rotor

Details Turbine rotor Turbine rotor

1988-06-03

1989-11-07

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

F01D 528

Patent

active

048788120

ABSTRACT:
A turbine rotor having a ceramic turbine wheel having an improved resistance to cracking and breaking. The turbine wheel is made of a ceramic material having pores formed therein with a maximum diameter of 20 .mu.m distributed in the blade portion of the wheel at a porosity of 2 to 10 vol. %. Preferably, the volume porosity of the pores is gradually decreased from the blade surface to the interior of the blade portions.

REFERENCES:
patent: 3905723 (1975-09-01), Torti, Jr.
patent: 4571414 (1986-02-01), Renlund et al.
patent: 4693986 (1987-09-01), Vit et al.
patent: 4696777 (1987-09-01), Ito

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