Method of making a high temperature - low temperature rotor for

Details Method of making a high temperature - low temperature rotor for Method of making a high temperature - low temperature rotor for

1989-11-29

1990-10-16

Echols, P. W.

Metal working

Method of mechanical manufacture

Impeller making

29458, 22826315, 228208, B21K 304

Patent

active

049625861

ABSTRACT:
A turbine rotor is formed from two rotor segments that are composed of different low alloy steels, one a high temperature alloy and the other a low temperature alloy. The rotor segments have cavities in confronting faces that form an annular flange at the outer surface, with the segments welded together across the flange. A clad layer is first welded on one of the flanges and a filler material welds the clad layer to the other flange to form a composite turbine rotor.

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