Split-pass open-die forging for hard-to-forge, strain-path sensitive titanium-base and nickel-base alloys
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B21D-037/16
B21J-001/06
B21J-001/02
C22F-001/10
C22F-001/18
C21D-007/13
출원번호
US-0844545
(2013-03-15)
등록번호
US-9050647
(2015-06-09)
발명자
/ 주소
Thomas, Jean-Phillipe A.
Minisandram, Ramesh S.
Floder, Jason P.
Smith, Jr., George J.
출원인 / 주소
ATI Properties, Inc.
대리인 / 주소
K & L Gates LLP
인용정보
피인용 횟수 :
5인용 특허 :
148
초록▼
Split pass forging a workpiece to initiate microstructure refinement comprises press forging a metallic material workpiece in a first forging direction one or more times up to a reduction ductility limit of the metallic material to impart a total strain in the first forging direction sufficient to i
Split pass forging a workpiece to initiate microstructure refinement comprises press forging a metallic material workpiece in a first forging direction one or more times up to a reduction ductility limit of the metallic material to impart a total strain in the first forging direction sufficient to initiate microstructure refinement; rotating the workpiece; open die press forging the workpiece in a second forging direction one or more times up to the reduction ductility limit to impart a total strain in the second forging direction to initiate microstructure refinement; and repeating rotating and open die press forging in a third and, optionally, one or more additional directions until a total amount of strain to initiate microstructure refinement is imparted in an entire volume of the workpiece.
대표청구항▼
1. A method of forging a metallic material workpiece to initiate microstructure refinement, the method comprising: open die press forging the workpiece at a forging temperature in a first forging direction up to a reduction ductility limit of the metallic material;repeating open die press forging th
1. A method of forging a metallic material workpiece to initiate microstructure refinement, the method comprising: open die press forging the workpiece at a forging temperature in a first forging direction up to a reduction ductility limit of the metallic material;repeating open die press forging the workpiece in the first forging direction up to the reduction ductility limit one or more times at the forging temperature until a total amount of strain imparted in the first forging direction is sufficient to initiate microstructure refinement;rotating the workpiece a desired degree of rotation;open die press forging the workpiece at the forging temperature in a second forging direction up to the reduction ductility limit of the metallic material;repeating open die press forging the workpiece in the second forging direction up to the reduction ductility limit one or more times at the forging temperature until a total amount of strain imparted in the second forging direction is sufficient to initiate microstructure refinement; andrepeating the rotating step, the open die press forging step, and the repeating open die press forging step in a third and, optionally, one or more additional forging directions until a total amount of strain that is sufficient to initiate microstructure refinement is imparted in an entire volume of the workpiece, wherein the workpiece is not rotated until a total amount of strain that is sufficient to initiate microstructure refinement is imparted in the third direction and any one or more additional directions. 2. The method according to claim 1, wherein the metallic material comprises one of a titanium alloy and a nickel alloy. 3. The method according to claim 1, wherein the metallic material comprises a titanium alloy. 4. The method according to claim 3, wherein the titanium alloy comprises one of a Ti-6Al-4V alloy (UNS R56400), a Ti-6Al-4V ELI alloy (UNS R56401), a Ti-6Al-2Sn-4Zr-6Mo alloy (UNS R56260), a Ti-6Al-2Sn-4Zr-2Mo alloy (UNS R54620), a Ti-10V-2Fe-3Al alloy (AMS 4986) and a Ti-4Al-2.5V-1.5Fe alloy (UNS 54250). 5. The method according to claim 3, wherein the metallic material comprises one of an alpha-beta titanium alloy and a metastable-beta titanium alloy. 6. The method according to claim 3, wherein the metallic material comprises an alpha-beta titanium alloy. 7. The method according to claim 6, wherein the alpha-beta titanium alloy comprises a Ti-4Al-2.5V-1.5Fe alloy (UNS 54250). 8. The method according to claim 2, wherein the metallic material comprises one of a of Waspaloy® (UNS N07001), ATI 718Plus® alloy (UNS N07818), and Alloy 720 (UNS N07720). 9. The method according to claim 1, wherein the forging temperature is within a temperature range spanning 1100° F. up to a temperature 50° F. below a beta-transus temperature of the alpha-beta titanium alloy. 10. The method according to claim 1, further comprising reheating the workpiece intermediate any open die press forging steps. 11. The method according to claim 1, further comprising annealing the workpiece intermediate any open die press forging steps. 12. A method of split pass open die forging a metallic material workpiece to initiate microstructure refinement, comprising: providing a hybrid octagon-RCS workpiece comprising a metallic material;open die upset forging the workpiece;rotating the workpiece for open die drawing on a first diagonal face in an X′ direction of the hybrid octagon-RCS workpiece;multiple pass draw forging the workpiece in the X′ direction to the strain threshold for microstructure refinement initiation; wherein each multiple pass draw forging step comprises at least two open press draw forging steps with reductions up to the reduction ductility limit of the metallic material;rotating the workpiece for open die drawing on a second diagonal face in an Y′ direction of the hybrid octagon-RCS workpiece;multiple pass draw forging the workpiece in the Y′ direction to the strain threshold for microstructure refinement initiation; wherein each multiple pass draw forging step comprises at least two open press draw forging steps with reductions up to the reduction ductility limit of the metallic material;rotating the workpiece for open die drawing on a first RCS face in an Y direction of the hybrid octagon-RCS workpiece;multiple pass draw forging the workpiece in the Y direction to the strain threshold for microstructure refinement initiation; wherein each multiple pass draw forging step comprises at least two open press draw forging steps with reductions up to the reduction ductility limit of the metallic material;rotating the workpiece for open die drawing on a second RCS face in an X direction of the hybrid octagon-RCS workpiece;multiple pass draw forging the workpiece in the X direction to the strain threshold for microstructure refinement initiation; wherein each multiple pass draw forging step comprises at least two open press draw forging steps with reductions up to the reduction ductility limit of the metallic material;repeating the upset and multiple draw cycles as desired. 13. The method according to claim 12, wherein the metallic material comprises one of a titanium alloy and a nickel alloy. 14. The method according to claim 12, wherein the metallic material comprises a titanium alloy. 15. The method according to claim 14, wherein the titanium alloy comprises one of a Ti-6Al-4V alloy (UNS R56400), a Ti-6Al-4V ELI alloy (UNS R56401), a Ti-6Al-2Sn-4Zr-6Mo alloy (UNS R56260), a Ti-6Al-2Sn-4Zr-2Mo alloy (UNS R54620), a Ti-10V-2Fe-3Al alloy (AMS 4986) and a Ti-4Al-2.5V-1.5Fe alloy (UNS 54250). 16. The method according to claim 14, wherein the metallic material comprises one of an alpha-beta titanium alloy and a metastable-beta titanium alloy. 17. The method according to claim 14, wherein the metallic material comprises an alpha-beta titanium alloy. 18. The method according to claim 17, wherein the alpha-beta titanium alloy comprises a Ti-4Al-2.5V-1.5Fe alloy (UNS 54250). 19. The method according to claim 13, wherein the metallic material comprises one of a of Waspaloy® (UNS N07001), ATI 718Plus® alloy (UNS N07818), and Alloy 720 (UNS N07720). 20. The method according to claim 12, wherein the forging temperature is within a temperature range spanning 1100° F. up to a temperature 50° F. below a beta-transus temperature of the alpha-beta titanium alloy. 21. The method according to claim 12, further comprising reheating the workpiece intermediate any open die press forging steps. 22. The method according to claim 12, further comprising annealing the workpiece intermediate any open die press forging steps.
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Davidson James A. (2573 Windy Oaks Rd. Germantown TN 38138) Kovacs Paul (3227 S. Mendenhall Rd. Memphis TN 38115), Biocompatible low modulus titanium alloy for medical implants.
Wang Kathy K. (Suffern NY) Gustavson Larry J. (Dover NJ) Dumbleton John H. (Ridgewood NJ), Dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization.
Mae Yoshiharu (Urawa JPX) Oka Tsutomu (Omiya JPX) Hirano Atsushi (Kitamoto JPX), High strength Ti alloy material having improved workability and process for producing the same.
Wang Kathy K. (Suffern NY) Gustavson Larry J. (Dover NJ) Dumbleton John H. (Ridgewood NJ), High strength, low modulus, ductile, biopcompatible titanium alloy.
Smith, Michael P.; Stanley, Janet; Murphy, David S.; Baumgarten, Robert W.; DeMichael, Thomas; Mayers, Stephen L., Integrally bladed rotor airfoil fabrication and repair techniques.
Nishida Yoshinori,JPX ; Kume Shoichi,JPX ; Imai Tsunemichi,JPX, Large deformation apparatus, the deformation method and the deformed metallic materials.
Marquardt, Brian; Wood, John Randolph; Freese, Howard L.; Jablokov, Victor R., Metastable beta-titanium alloys and methods of processing the same by direct aging.
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Amato Richard A. (Cincinnati OH) Woodfield Andrew P. (Fairfield OH) Gigliotti ; Jr. Michael F. X. (Scotia NY) Hughes John R. (Scotia NY) Perocchi Lee C. (Schenectady NY), Method for developing enhanced texture in titanium alloys, and articles made thereby.
Henricks Robert Jacobi (Farmington CT) Ruckle Duane Louis (Enfield CT) Slack Raymond Bender (South Windsor CT), Method for improving fatigue properties of titanium alloy articles.
Eylon Daniel (Dayton OH) Froes Francis H. (Xenia OH), Method for making an integral titanium alloy article having at least two distinct microstructural regions.
Zhu Yuntian T. ; Lowe Terry C. ; Jiang Honggang ; Huang Jianyu, Method for producing ultrafine-grained materials using repetitive corrugation and straightening.
Eylon Daniel (Dayton OH) Froes Francis H. (Moscow ID), Method for refining the microstructure of beta processed ingot metallurgy titanium alloy articles.
Werz, Ulrich, Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method.
Semiatin Sheldon L. (Dayton OH) El Soudani Sami M. (Cerritos CA) Vollmer Donald C. (Columbus OH) Thompson Clarence R. (Worthington OH), Method for thermomechanical processing of ingot metallurgy near gamma titanium aluminides to refine grain size and optim.
Champin Bernard (Saint Jorioz both of FRX) Prandi Bernard (Seythenex both of FRX), Method involving modified hot working for the production of a titanium alloy part.
Segal Vladimir (1831-A Wild Oak Cir. Bryan TX 77802) Segal Leonid (1831-A Wild Oak Cir. Bryan TX 77802), Method of and apparatus for processing tungsten heavy alloys for kinetic energy penetrators.
Gerald D. Anderson ; John M. Khoury ; Michael W. Mattice CA; Thomas M. Drouillard CA; Kermit G. Rowe, III ; David Ian Fretwell GB; Alistair Bruce Christian Lovatt GB, Method of enhancing the bending process of a stabilizer bar.
Eylon Daniel (Dayton OH) Froes Francis H. (Xenia OH), Method of making titanium alloy articles having distinct microstructural regions corresponding to high creep and fatigue.
Hardee Kenneth L. (Middlefield OH) Ernes Lynne M. (Willoughby OH) Carlson Richard C. (Euclid OH) Thomas David E. (Northbridge MA), Method of preparing a metal substrate of improved surface morphology.
Miracle, Daniel B.; Tamirisakandala, Seshacharyulu; Bhat, Radhakrishna B.; McEldowney, Dale J.; Fields, Jerry L.; Hanusiak, William M.; Grabow, Rob L.; Yolton, C. Fred; Bono, Eric S., Method of producing high strength, high stiffness and high ductility titanium alloys.
Horita, Zenji; Nakamura, Katsuaki; Neishi, Koji; Nakagaki, Michihiko; Kaneko, Kenji, Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method.
Kuhlman G. William (Shaker Heights OH) Beaumont Richard A. (Avon Lake OH) Carbaugh Daniel F. (Macedonia OH) Anderson David (Brecksville OH) Chakrabarti Amiya K. (Monroeville PA) Kinnear Kenneth P. (M, Nickel base alloy forged parts.
Sabol George P. (Murrysville Boro PA) Barry Robert F. (Monroeville PA), Process for forming seamless tubing of zirconium or titanium alloys from welded precursors.
Wirth Gnter (Rosrath DEX) Grundhoff Karl-Josef (Troisdorf DEX) Schurmann Hartmut (Seelscheid DEX), Process for improving the static and dynamic mechanical properties of (ab<.
Alheritiere Edouard (Ugine FRX) Prandi Bernard (Faverges FRX), Process for treating titanium alloy parts for use as compressor disks in aircraft propulsion systems.
Chakrabarti Amiya K. (Monroeville PA) Kuhlman ; Jr. George W. (Pepper Pike PA) Pishko Robert (Murrysville PA), Processing alpha-beta titanium alloys by beta as well as alpha plus beta forging.
Lee, Barry Andrew; Schrank, Timothy L., Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith.
Wang Kathy K. (Suffern NY) Gustavson Larry J. (Dover NJ) Dumbleton John H. (Ridgewood NJ), Prosthesis formed from dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization.
Raymond, Edward Lee; Menzies, Richard Gordon; Dyer, Terrence Owen; Link, Barbara Ann; Halter, Richard Frederick; Mechley, Mike Eugene; Visalli, Francis Mario; Srivatsa, Shesh Krishna, Quasi-isothermal forging of a nickel-base superalloy.
Durney,Max W.; Pendley,Alan D.; Rappaport,Irving S., Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor.
Durney,Max W.; Pendley,Alan D.; Rappaport,Irving S., Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor.
Barbier,Blandine; Gallois,Philippe; Mons,Claude; Venard,Agathe; Vignolles,Pascal, Thin parts made of β or quasi-β titanium alloys; manufacture by forging.
Kuramoto,Shigeru; Furuta,Tadahiko; Hwang,Junghwan; Chen,Rong; Suzuki,Nobuaki; Nishino,Kazuaki; Saito,Takashi, Titanium alloy and process for producing the same.
Chakrabarti Amiya K. (Monroeville PA) Kuhlman ; Jr. George W. (Pepper Pike OH) Pishko Robert (Pittsburgh PA), Titanium alpha-beta alloy fabricated material and process for preparation.
Paxson Allen J. (Cincinnati OH) Shamblen Clifford E. (Cincinnati OH), Titanium article having improved response to ultrasonic inspection, and method therefor.
Bernard Patrick Bewlay ; Michael Francis Xavier Gigliotti, Jr. ; David Ulrich Furrer ; Gangshu Shen ; Jacek Marian Franczak, Titanium processing methods for ultrasonic noise reduction.
Fujii, Hideki; Takayama, Isamu; Yamashita, Yoshito; Ishii, Mitsuo; Takahashi, Kazuhiro, Titanium sheet, plate, bar or wire having high ductility and low material anisotropy and method of producing the same.
Tetyukhin,Vladislav Valentinovich; Zakharov,Jury Ivanovich; Levin,Igor Vasilievich, Titanium-based alloy and method of heat treatment of large-sized semifinished items of this alloy.
Yuntian T. Zhu ; Terry C. Lowe ; Ruslan Z. Valiev RU; Vladimir V. Stolyarov RU; Vladimir V. Latysh RU; Georgy J. Raab RU, Ultrafine-grained titanium for medical implants.
Oyama, Hideto; Kida, Takayuki; Furutani, Kazumi; Fujii, Masamitsu, α+ß type titanium alloy, process for producing titanium alloy, process for coil rolling, and process for producing cold-rolled coil of titanium alloy.
Thomas, Jean-Phillippe A.; Minisandram, Ramesh S.; Forbes Jones, Robin M.; Mantione, John V.; Bryan, David J., Thermomechanical processing of alpha-beta titanium alloys.
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