Patents by Inventor Paul E. Magnusen
Paul E. Magnusen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210262065Abstract: New 2xxx aluminum alloys are disclosed. The new 2xxx aluminum alloys generally include from 0.08 to 0.20 wt. % Ti. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance, for instance.Type: ApplicationFiled: May 7, 2021Publication date: August 26, 2021Inventors: Paul E. Magnusen, Lynette M. Karabin, Francine S. Bovard, Julien Boselli
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Patent number: 10161020Abstract: A recrystallized aluminum alloy having brass texture and Goss texture, wherein the amount of brass texture exceeds the amount of Goss texture, and wherein the recrystallized aluminum alloy exhibits at least about the same tensile yield strength and fracture toughness as a compositionally equivalent unrecrystallized alloy of the same product form and of similar thickness and temper.Type: GrantFiled: October 1, 2007Date of Patent: December 25, 2018Assignee: ARCONIC INC.Inventors: Soonwuk Cheong, Roberto J. Rioja, Paul E. Magnusen, Cagatay Yanar, Dirk C. Mooy, Gregory B. Venema, Edward Llewellyn
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Publication number: 20180363103Abstract: A recrystallized aluminum alloy having brass texture and Goss texture, wherein the amount of brass texture exceeds the amount of Goss texture, and wherein the recrystallized aluminum alloy exhibits at least about the same tensile yield strength and fracture toughness as a compositionally equivalent unrecrystallized alloy of the same product form and of similar thickness and temper.Type: ApplicationFiled: August 24, 2018Publication date: December 20, 2018Inventors: Soonwuk Cheong, Roberto J. Rioja, Paul E. Magnusen, Cagatay Yanar, Dirk C. Mooy, Gregory B. Venema, Edward Llewellyn
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Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same
Patent number: 9297394Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: GrantFiled: November 11, 2013Date of Patent: March 29, 2016Assignee: Alcoa Inc.Inventors: Ming Li, James M. Marinelli, Jiantao Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Patent number: 9234266Abstract: Aluminum alloys having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours.Type: GrantFiled: September 5, 2012Date of Patent: January 12, 2016Assignee: ALCOA INC.Inventors: Cindie Giummarra, Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES AND METHODS OF MANUFACTURING SAME
Publication number: 20140248453Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: ApplicationFiled: November 11, 2013Publication date: September 4, 2014Applicant: Alcoa Inc.Inventors: Ming Li, James M. Marinelli, Jiantao Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Publication number: 20140050936Abstract: Wrought 2xxx aluminum lithium alloy products having a thickness of from 0.040 inch to 0.500 inch are disclosed. The wrought aluminum alloy products contain from 3.00 to 3.80 wt. % Cu, from 0.05 to 0.35 wt. % Mg, from 0.975 to 1.385 wt. % Li, wherein ?0.3*Mg?0.15Cu+1.65?Li??0.3*Mg?0.15Cu+1.85, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 1.0 wt. % Zn, up to 1.0 wt. % Mn, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.15 wt. % Ti, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum.Type: ApplicationFiled: March 5, 2013Publication date: February 20, 2014Applicant: ALCOA INC.Inventors: Julien Boselli, Roberto J. Rioja, Gregory B. Venema, Ralph R. Sawtell, Paul E. Magnusen
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Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same
Patent number: 8578747Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: GrantFiled: March 20, 2012Date of Patent: November 12, 2013Assignee: Alcoa Inc.Inventors: Ming Li, James M. Marinelli, Jiantao Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same
Patent number: 8444092Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: GrantFiled: August 5, 2009Date of Patent: May 21, 2013Assignee: Alcoa Inc.Inventors: Ming Li, James M. Marinelli, Jiantao Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Publication number: 20120325382Abstract: Aluminum alloys having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours.Type: ApplicationFiled: September 5, 2012Publication date: December 27, 2012Applicant: Alcoa Inc.Inventors: Cindie Giummarra, Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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Patent number: 8333853Abstract: Aluminum alloy having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours. These aluminum alloys realize an improved combination of properties, including improved strength with at least equivalent fatigue crack growth resistance.Type: GrantFiled: January 16, 2009Date of Patent: December 18, 2012Assignee: Alcoa Inc.Inventors: Cindie Giummarra, Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES AND METHODS OF MANUFACTURING SAME
Publication number: 20120227453Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: ApplicationFiled: March 20, 2012Publication date: September 13, 2012Applicant: Alcoa Inc.Inventors: Ming Li, James M. Marinelli, Jianto Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Publication number: 20100180992Abstract: Aluminum alloy having an improved combination of properties are provided. In one aspect, a method for producing the alloy includes preparing an aluminum alloy for artificial aging and artificially aging the alloy. In one embodiment, the artificially aging step includes aging the aluminum alloy at a temperature of at least about 250° F., and final aging the aluminum alloy at a temperature of not greater than about 225° F. and for at least about 20 hours. These aluminum alloys realize an improved combination of properties, including improved strength with at least equivalent fatigue crack growth resistance.Type: ApplicationFiled: January 16, 2009Publication date: July 22, 2010Applicant: Alcoa Inc.Inventors: Cindie Giummarra, Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES AND METHODS OF MANUFACTURING SAME
Publication number: 20100127125Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.Type: ApplicationFiled: August 5, 2009Publication date: May 27, 2010Inventors: Ming Li, James M. Marinelli, Jianto Liu, Paul E. Magnusen, Simon Sheu, Markus B. Heinimann, John Liu, Luis Fanor Vega -
Patent number: 7547366Abstract: The invention provides a 2000 series aluminum alloy having enhanced damage tolerance, the alloy consisting essentially of about 3.0-4.0 wt % copper; about 0.4-1.1 wt % magnesium; up to about 0.8 wt % silver; up to about 1.0 wt % Zn; up to about 0.25 wt % Zr; up to about 0.9 wt % Mn; up to about 0.5 wt % Fe; and up to about 0.5 wt % Si, the balance substantially aluminum, incidental impurities and elements, said copper and magnesium present in a ratio of about 3.6-5 parts copper to about 1 part magnesium. The alloy is suitable for use in wrought or cast products including those used in aerospace applications, particularly sheet or plate structural members, extrusions and forgings, and provides an improved combination of strength and damage tolerance.Type: GrantFiled: July 15, 2004Date of Patent: June 16, 2009Assignee: Alcoa Inc.Inventors: Jen C. Lin, John M. Newman, Paul E. Magnusen, Gary H. Bray
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Publication number: 20090084474Abstract: A recrystallized aluminum alloy having brass texture and Goss texture, wherein the amount of brass texture exceeds the amount of Goss texture, and wherein the recrystallized aluminum alloy exhibits at least about the same tensile yield strength and fracture toughness as a compositionally equivalent unrecrystallized alloy of the same product form and of similar thickness and temper.Type: ApplicationFiled: October 1, 2007Publication date: April 2, 2009Applicant: Alcoa Inc.Inventors: Soonwuk Cheong, Roberto J. Rioja, Paul E. Magnusen, Cagatay Yanar, Dirk C. Mooy, Gregory B. Venema, Edward Llewellyn
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Publication number: 20090010798Abstract: An aluminum-copper-magnesium alloy having ancillary additions of lithium. The alloy composition includes from about 3 to about 5 weight percent Cu, from about 0.5 to about 2 weight percent Mg, and from about 0.01 to about 0.9 weight percent Li. The combined amount of Cu and Mg is maintained below a solubility limit of the aluminum alloy. The alloys possess improved combinations of fracture toughness and strength, and also exhibit good fatigue crack growth resistance.Type: ApplicationFiled: September 16, 2008Publication date: January 8, 2009Applicant: Alcoa Inc.Inventors: Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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Patent number: 7449073Abstract: The invention provides a 2000 series aluminum alloy having enhanced damage tolerance, the alloy consisting essentially of about 3.0-4.0 wt % copper; about 0.4-1.1 wt % magnesium; up to about 0.8 wt % silver; up to about 1.0 wt % Zn; up to about 0.25 wt % Zr; up to about 0.9 wt % Mn; up to about 0.5 wt % Fe; and up to about 0.5 wt % Si, the balance substantially aluminum, incidental impurities and elements, said copper and magnesium present in a ratio of about 3.6-5 parts copper to about 1 part magnesium. The alloy is suitable for use in wrought or cast products including those used in aerospace applications, particularly sheet or plate structural members, extrusions and forgings, and provides an improved combination of strength and damage tolerance.Type: GrantFiled: September 7, 2005Date of Patent: November 11, 2008Assignee: Alcoa Inc.Inventors: Jen C. Lin, John M. Newman, Paul E. Magnusen, Gary H. Bray
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Patent number: 7438772Abstract: An aluminum-copper-magnesium alloy having ancillary additions of lithium. The alloy composition includes from about 3 to about 5 weight percent Cu, from about 0.5 to about 2 weight percent Mg, and from about 0.01 to about 0.9 weight percent Li. The combined amount of Cu and Mg is maintained below a solubility limit of the aluminum alloy. The alloys possess improved combinations of fracture toughness and strength, and also exhibit good fatigue crack growth resistance.Type: GrantFiled: October 3, 2003Date of Patent: October 21, 2008Assignee: Alcoa Inc.Inventors: Roberto J. Rioja, Gary H. Bray, Paul E. Magnusen
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Publication number: 20080029187Abstract: The invention provides a 2000 series aluminum alloy having enhanced damage tolerance, the alloy consisting essentially of about 3.0-4.0 wt % copper; about 0.4-1.1 wt % magnesium; up to about 0.8 wt % silver; up to about 1.0 wt % Zn; up to about 0.25 wt % Zr; up to about 0.9 wt % Mn; up to about 0.5 wt % Fe; and up to about 0.5 wt % Si, the balance substantially aluminum, incidental impurities and elements, said copper and magnesium present in a ratio of about 3.6-5 parts copper to about 1 part magnesium. The alloy is suitable for use in wrought or cast products including those used in aerospace applications, particularly sheet or plate structural members, extrusions and forgings, and provides an improved combination of strength and damage tolerance.Type: ApplicationFiled: September 7, 2005Publication date: February 7, 2008Inventors: Jen C. Lin, John M. Newman, Paul E. Magnusen, Gary H. Bray