A method of forming a machining spray for treating a surface of a substrate during a machining process includes providing a first component containing solid carbon dioxide particles. A second provided component is derived from an inert gas having a temperature range from 305 K to about 477 K prior t
A method of forming a machining spray for treating a surface of a substrate during a machining process includes providing a first component containing solid carbon dioxide particles. A second provided component is derived from an inert gas having a temperature range from 305 K to about 477 K prior to being mixed with the solid carbon dioxide particles. The first component and the second component are combined to form the cryogenic fluid composition prior to contacting the substrate. An optional additive may be mixed with the solid carbon dioxide particles or the inert gas. The cryogenic fluid composition exhibits synergistically enhanced physicochemical properties of each component not observed prior to the combination thereof, wherein the fluid imparts enhanced cooling, heating or lubrication effects.
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1. A method of forming a composite fluid for treating a surface during a machining process, the method comprising: providing a first stream containing carbon dioxide;providing a stepped capillary condenser for at least partially solidifying the carbon dioxide, wherein the stepped capillary condenser
1. A method of forming a composite fluid for treating a surface during a machining process, the method comprising: providing a first stream containing carbon dioxide;providing a stepped capillary condenser for at least partially solidifying the carbon dioxide, wherein the stepped capillary condenser comprises a first flexible capillary segment connected to a second flexible capillary segment, the second capillary segment having a greater inner diameter than the first capillary segment;at least partially solidifying the carbon dioxide contained in the first stream, wherein the first stream enters the first capillary segment and progresses toward the second segment, whereupon entering the second segment, at least a portion of the carbon dioxide condenses into solid particles;providing a second stream containing inert gas at a temperature between 305 K to about 477 K; andcombining the first stream and the second stream to form the composite fluid. 2. The method of claim 1 wherein the inert gas comprises nitrogen, argon, clean dry air, compressed air or carbon dioxide. 3. The method of claim 1 and further comprising providing a third stream containing an additive to physicochemically modify the first stream, the second stream or both to enhance the lubricity or cooling properties of the composite fluid. 4. The method of claim 3 wherein the additive is admixed into the first stream before at least partially solidifying the carbon dioxide. 5. The method of claim 3 wherein the additive comprises rapeseed oil, ethyl lactate, a soy methyl ester, a petroleum oil, a biological based oil, a ketone, a polyglycol, a phosphate ester, a phosphateether, a synthetic hydrocarbon, diethylene glycol monobutyl ether, a silicone, chlorinated paraffinic oil, PolyTetraFluroEthylene, boron nitride, a pour point additive, a detergent, a foam inhibitor, hydrogen peroxide, percarbonic acid, water, acetone, methyl ethyl ketone, carbon dioxide, HydroFluoroCarbon 134a or butane. 6. A method of forming a cryogenic composite fluid for treating a surface of a substrate during a machining process, the method of forming the cryogenic composite fluid comprising: providing a stepped capillary condenser, the stepped capillary condenser comprising a first flexible capillary segment attached to a second flexible capillary segment, the second capillary segment having a greater inner diameter than the first capillary segment, wherein liquid carbon dioxide entering the first capillary segment progresses toward the second segment, whereupon entering the second segment, at least a portion of the liquid carbon dioxide condenses into solid carbon dioxide particles;supplying the capillary condenser with liquid carbon dioxide to form a sublimable coolant containing solid carbon dioxide particles;providing a diluent derived from an inert gas; andintimately combining the coolant and the diluent prior to contacting the surface of the substrate, wherein the resultant cryogenic composite fluid exhibits synergistically enhanced physicochemical properties to impart cooling, heating, or lubrication effects to the substrate when applied to the substrate surface during the machining process. 7. The method of claim 6 wherein the diluent is provided at a temperature range from 305 K to about 477 K prior to being combined with the sublimable coolant. 8. The method of claim 6 wherein the diluent derived from the inert gas excludes carbon dioxide. 9. The method of claim 6 wherein the coolant and the diluent are combined within a nozzle. 10. The method of claim 6 and further comprising providing an additive to provide lubricity or to physicochemically modify the coolant or the diluent to enhance cooling, heating or lubrication effects of either the coolant or the diluent. 11. The method of claim 10 wherein the additive comprises an organic liquid or an organic gas. 12. A method of forming a machining spray for treating a surface of a substrate during a machining process, the method comprising: providing a first component containing solid carbon dioxide particles formed within a stepped capillary condenser, the stepped capillary condenser comprising a first flexible capillary segment attached to a second flexible capillary segment, the second capillary segment having a greater inner diameter than the first capillary segment, wherein liquid carbon dioxide entering the first capillary segment progresses toward the second capillary segment, whereupon entering the second segment, at least a portion of the liquid carbon dioxide condenses into solid carbon dioxide particles;providing a second component derived from an inert gas, the inert gas having a temperature range from 305 K to about 477 K prior to being mixed with the solid carbon dioxide particles; andcombining the first component and the second component prior to contacting the substrate, the resultant machining spray exhibiting synergistically enhanced physicochemical properties of each component not observed prior to the combination thereof, wherein the machining spray imparts enhanced cooling, heating or lubrication effects. 13. The method of forming the machining spray of claim 12 wherein the inert gas comprises nitrogen, argon, clean dry air or compressed air. 14. The method of claim 12 and further comprising: providing a third component derived from an additive; andcombining the additive with the first component and the second component prior to contacting the substrate to provide lubricity or to physicochemically modify the first component or the second component to enhance cooling, heating or lubrication effects of either the first component, the second component or both. 15. The method of forming the machining spray of claim 14 wherein the additive comprises an organic liquid or an organic gas. 16. The method of claim 1 wherein the first flexible capillary segment terminates at the connection to the second flexible capillary segment. 17. The method of claim 6 wherein the first flexible capillary segment terminates at the attachment to the second flexible capillary segment. 18. The method of claim 12 wherein the first flexible capillary segment terminates at the attachment to the second flexible capillary segment.
Fong Calvin C. (Beverly Hills CA) Altizer John W. (Simi Valley CA) Arnold Vernon E. (Fillmore CA) Lawson John K. (Granada Hills CA), Blasting machine utilizing sublimable particles.
Dudley George M. (69 N. Boxwood St. Hampton VA 23369), Machine tool having internally routed cryogenic fluid for cooling interface between cutting edge of tool and workpiece.
Cotte, John M.; Ivers, Catherine; McCullough, Kenneth J.; Moreau, Wayne M.; Purtell, Robert J.; Simons, John P.; Syverson, William A.; Taft, Charles J., Solid CO2 cleaning.
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