Metal deforming – By extruding through orifice
Reexamination Certificate
2007-11-20
2007-11-20
Tolan, Ed (Department: 3725)
Metal deforming
By extruding through orifice
C072S363000
Reexamination Certificate
active
11285853
ABSTRACT:
A method of making nano/sub-micron sized grains in a work piece material having a lateral side has the steps of providing a die. The die has an entrance channel with a longitudinal axis and an exit channel. The entrance channel and the exit channel are connected to one another to form an angle. The method has the step of providing a first sacrificial material with a complementary size to the work piece and placing the sacrificial first material and the work piece in an entrance channel. The first sacrificial material and the work piece are aligned with the longitudinal axis. The method has the step of extruding the combination of the first sacrificial material, and the work piece through the intersection of the entrance and the exit channels. The resulting shear deformation forms the nano/sub-micron sized grains in the work piece. This configuration reduces frictional effects thereby producing homogenous nano grain structure. This configuration reduces applied load and enables equal channel angular extrusion of thin sheets.
REFERENCES:
patent: 1948242 (1934-02-01), Schubarth
patent: 3335589 (1967-08-01), Buffet
patent: 3564566 (1971-02-01), Heitman
patent: 3580019 (1971-05-01), Beresnev et al.
patent: 3791183 (1974-02-01), Creuzet
patent: 3837066 (1974-09-01), Mori et al.
patent: 4116030 (1978-09-01), Kobayashi et al.
patent: 5400633 (1995-03-01), Segal et al.
patent: 6865920 (2005-03-01), Kondo et al.
patent: 2003/0118445 (2003-06-01), Lee et al.
S. L., Semiatin et al., “Equal Channel Angular Extrusion of Difficult-To-Work Alloys”, Materials and Design, vol. 21, pp. 311-322, 2000.
Marte Judson Sloan
Oruganti Ramkumar Kashyap
Subramanian Pazhayannur Ramanathan
DiConza Paul J.
General Electric Company
Powell, III William E.
Tolan Ed
LandOfFree
Method of forming a structural component having a nano... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of forming a structural component having a nano..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of forming a structural component having a nano... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3842587