Patent ID: 7390240

Claim:
A method of processing a workpiece comprising (a) providing a tool and a workpiece, wherein the workpiece has an initial shape; (b) placing the workpiece and the tool in contact to form an interface, applying force to the tool and/or the workpiece, and moving the tool and/or the workpiece to effect a change in the initial shape of the workpiece; (c) applying a lubricant to any area on a surface of the tool and/or to any area on a surface of the workpiece while the workpiece and the tool are in contact; and (d) applying a cryogenic fluid in any area on the surface of the tool and/or to any area on the surface of the workpiece while the workpiece and the tool are in contact, wherein any area to which the lubricant is applied is not contiguous with or overlapping with any area to which the cryogenic fluid is applied.