Metal deforming – With temperature modification of tool or of specified... – Cooling
Patent
1990-03-15
1991-10-22
Spruill, Robert L.
Metal deforming
With temperature modification of tool or of specified...
Cooling
723425, 723427, B21D 3716
Patent
active
050584111
ABSTRACT:
A method for controlling the dimension of a reinforced metal matrix composite structure is taught. The structure is annular and the method is to render the structure non-round where the initial structure is essentially round. The cure of the essentially round condition is accomplished by forming a solid mandril very slightly smaller in dimensions than the final dimensions sought for the structure. The essentially round composite ring is forced onto the non-round mandril and heated to the relaxation temperature of the matrix. Because the mandril has a higher thermal coefficient of expansion than the matrix, the method is effective in forming an essentially round structure into a non-round configuration.
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Rutkowski Stephen F.
Siemers Paul A.
Davis Jr. James C.
General Electric Company
Magee Jr. James
Rochford Paul E.
Spruill Robert L.
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