US3835282A - Induction heating apparatus for heating the marginal edge of a disk - Google Patents

Induction heating apparatus for heating the marginal edge of a disk Download PDF

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Publication number
US3835282A
US3835282A US00328483A US32848373A US3835282A US 3835282 A US3835282 A US 3835282A US 00328483 A US00328483 A US 00328483A US 32848373 A US32848373 A US 32848373A US 3835282 A US3835282 A US 3835282A
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United States
Prior art keywords
disk
edge
heating
deformation
movable
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Expired - Lifetime
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US00328483A
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English (en)
Inventor
J Sass
R Esche
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Ottensener Eisenwerk GmbH
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Ottensener Eisenwerk GmbH
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces

Definitions

  • the present invention relates to induction heating apparatus and more particularly to such apparatus for heating the marginal area of a circular disk as it is deformed relative to the plane of the disk to provide a peripheral flange.
  • the Prior Art Electric induction heating apparatus has in the past been employed for the purpose of heating round ferromagnetic disks to the point where they become softened and may readily be deformed under pressure, to form a peripheral flange so that the disks can be used to form the bottom panels of boilers or the like.
  • Such apparatus is disclosed in German patent application P 21 48 519.8.
  • German patent application P 21 48 519.8 has not been adapted to heat the disk during the process of deforming the edge.
  • a principal object of the present invention is to provide apparatus adapted for continuously heating the the effective heating zone moves as the edge of the disk is deformed.
  • induction heating apparatus having ferromagnetic members located on both sides of the marginal zone of a circular disc, the ferromagnetic members being movable as the disk is deformed for maintaining close magnetic association with the surface of said disk during the deformation.
  • FIG. 1 is a vertical cross-sectional view of apparatus incorporating an illustrative embodiment of the present invention
  • FIG. 2 is a cross-sectional view of a portion of the apparatus of FIG. 1, taken in theplane Il-II;
  • FIG. 3 is a cross-sectional view of a portion of the apparatus of FIG. 1, taken in the plane III-III;
  • FIG. 4 is a cross-sectional view of apparatus incorporating an alternative embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of apparatus incorporating another embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of apparatus incorporating a further embodiment of the present invention.
  • FIG. 7 is a diagramatic view showing, at four different phases, the change in position of apparatus incorporating yet a further embodiment of the present invention during four successive phases in the deformation of a disk;
  • FIG. 8 is a plan view of apparatus incorporating yet another embodiment of the present invention.
  • the round disk 1 is supported (by means not shown) for rotation about a vertical central shaft (not shown).
  • the disk 1 is shown in undeformed condition, and after the heat deformation it has an upwardly directed flange l.
  • the heating of the marginal zone of the round disk 1 is accomplished before and during the deformation by means of an inductor 2, having an upper leg 3, and a lower leg 4.
  • the upper leg 3 is arched upwardly so as to accommodate in this arch 5 the deformed edge 1' of the round disk.
  • the upper leg 3 and the lower leg 4 are interconnected by a hinge 6, so that the inductor can be opened into the position shown in broken lines in FIG.
  • Such a hinged inductor may be moved out of the area of the marginal zone of the disk 1 after opening in the manner described in German patent application No. P 21 48 519.8.
  • the inductor 2 may be of rigid design, without the hinge 6. In that case, it is moved in the direction of the arrow 7 away from the marginal zone, when desired, as described in the aforementioned German patent.
  • Each conductor 9 has a generally rectangular cross-section, as seen in FIG. 2, and is preferably formed of copper and is provided with passages (not shown) for water cooling.
  • the construction of the conductors 9 may be the same as that described in the aforementioned German application.
  • Each conductor 9 is partially surrounded by short circuit panel 10, for concentration and guidance of the magnetic flux, the short circuit panel comprising, in FIG. 2, a ferromagnetic U-shaped panel 11.
  • the conductors 9 are supported rigidly relative to the center of the disk 1, and the shape of conductor 9 in the lower leg 4 of the inductor conforms to the plane shape of the undeformed marginal zone.
  • the conductor 9 in the upper leg 3 conforms to the shape of the deformed marginal zone 1. The result is that the conductor 9 of the upper inductor leg 3 has, prior to the deformation, a larger distance from the disk 1, and after the accomplished deformation of the marginal zone of the round disk, a smaller distance, as compared with the conductor 9 of the lower inductor leg 4.
  • the ferromagnetic panels 10 are arranged at least in part of an angle of about 45 to the horizontal line.
  • the panels 10 are supported in fixed relation to the inductor body, where the deformation is small, and the upper and lower legs 3 and 4 are not widely separated from each other, especially toward the central portion.
  • the panels 11, shown in FIG. 2, which shows the cross section toward the central portion of the disk 1, are preferably formed of sheets of ferromagnetic material, with adjacent sheets being insulated from each other, to minimize eddy current losses.
  • the panels 11 are preferably about 0.3 mm thick and are positioned closely adjacent each other. 1
  • FIG. 3 shows a cross section at a point spaced radially outward relative to FIG. 2.
  • certain portions of the short circuit panels 10 are movable.
  • the parts 12 and 12 and 14 and 14 are movable toward and away from the disk 1, while the center parts 13 and 13 of. the ferromagnetic short circuit panels 10 are supported in fixed relation.
  • the round disk 1, and the movable panels 12, 12', 14 and 14' are shown in broken lines, to illustrate their positions before deformation, while the round disk 1' and the movable panels are shown in solid lines to illustrate their positions after deformation. Because of the movable panels, the magnetic flux, within the disk 1, is relatively constant during deformation of the disk 1.
  • FIG. 4 represents several loop arms A to C of the upper inductor leg 3, with their ferromagnetic panels in the position they occupy prior to the deformation of the edge of the round disk 1.
  • the individual parts of the ferromagnetic panels have the same reference symbols as in FIG. 3.
  • a bracket 41 is provided for moving the ferromagnetic panels 12 and 12'.
  • the bracket 41 is urged rightwardly, as viewed in FIG. 4, so that projections 20 bear upon the marginal zone of the disk.
  • the bracket 41 is also effective to return the moving parts 12 and 12', following deformation and removal of the deformed round disk, back into their starting positions.
  • the bracket 41 is provided with non-ferromagnetic members 24 for supporting the movable parts 12 and 12.
  • an electrical insulation member 25 is provided between the movable parts 12 and 12' and the member 24.
  • Water-cooled copper panels 26 are provided for cooling the movable parts 12 and 12'.
  • the projections 20 and 20' are preferably formed of ceramic material, and insulate the disk 1 from the copper panels 26.
  • FIG. 5 shows a portion of an assembly provided for the lower inductor leg 4, employing a different arrangement for supporting and guiding the movable parts 14.
  • the upper inductor leg 3 (not shown) is of analogous design.
  • the stationary parts 13 of the ferromagnetic panels 10 are arranged in arcuate fashion, and the movable parts 14 are provided with rollers 21 formed of non-ferromagnetic material.
  • the movement of the parts 14 is accomplished by the pressure of compression springs 27, which bear against a bracket 28 made of insulating material.
  • the movable parts 14 can be re tracted against the pressure of springs 27 by means of a tension bar 29, in order to accommodate a new (undeformed) disk.
  • the movable parts 14 are guided by bushing 30, made of insulating material, for rectilinear movement toward, and away from the disk 1.
  • FIG. 6 shows another embodiment, in which the disk 1 rotates in the direction of the arrow.
  • the conductors 9 of the upper leg 3 and the lower leg 4 are both provided with passages 9a to support a flow of water for cooling, and are disposed adjacent to the stationary ferromagnetic parts 13 and 13.
  • the movable parts 12, 12 and 14, 14 are preferably covered with water-cooled copper panels such as the panels 26 of FIG. 4, which panels are insulated by mica foil from the movable parts of the circuit, and which are also used to guide the movable parts 12, 12, 14 and 14'.
  • the movable parts are also guided by bushings 30 and 30, which are formed of insulating material.
  • the movable parts 12, 12, 14 and 14 are interconnected by transverse rods 24 and 24".
  • the rod 24' is connected to a tension spring 31, for equalization of the weight of the assembly to relieve some of the weight from the rollers or sliding parts 20 and 20.
  • a compression spring 27 urges the assembly upwardly against the rod 24".
  • the movable parts 14 and 14 can be returned to their starting position by compressing the spring 27 and holding it in compressed condition by means of a latch wheel 32, having a hook engaging the lower end of a rod 29, the upper end of which is connected to the rod 24". This is done prior to the introduction of the next round disk to be deformed.
  • the latch wheel 32, the lever 33, the bar 29 and the compression spring 27 are shown in tensioned position, that is after the return operation.
  • Alternative means may be used in lieu of springs, such as hydraulic and pneumatic actuators, or the like.
  • FIG. '7 shows a tunnel-like inductor adapted to be placed at the edge of the round disk and slide thereon by means of non-magnetic, sliding parts 37. Rollers may be substituted for the sliding parts 37 if desired.
  • the inductor 35 is provided at 36 with leads by which electrical power is applied thereto, and it is supported by a line 34 having an end secured to a weight 38 over a pair of rollers 39 and 40.
  • the roller 40 is displaceable horizontally, over a path a.
  • FIG. 8 shows an assembly employing two inductors, 2 and 35, arranged in series on the circumference of the round disk 1.
  • the central part of the marginal zone is heated with the aid of the inductor 2, while the tunnel inductor 35 heats the outer marginal area.
  • the present invention is effective to maintain a constant heating of the marginal portion of a disk while it is being deformed, and it is not necessary for the heating to be discontinued as the deformation is performed.
  • the use of the laminated panels permits the apparatus to operate efficiently, and only a small amount of energy is lost in the ferromagnetic panels.
  • the air gaps between the ferromagnetic panels and the disk are maintained small, so the magnetic flux in the disk 1 is maximized, and little energy is lost due to stray magnetic fields.
  • the movable ferromagnetic panels of the present invention may be moved manually, or by the use of motors or the like, instead of by springs as described above.
  • Induction heating apparatus for heating the marginal edge of a disk while it is being deformed into a flange, flux generating means for establishing a magnetic flux within said marginal edge, means for maintaining said magnetic flux in approximately the same concentration in said marginal edge throughout said deformation, separate flux generating means disposed on opposite sides of the marginal edge of said disk for uniformly heating both of said sides and means supporting said separate flux generating means for movement in the same relative direction as said edge is deformed.
  • said supporting means includes a compression spring on one side of said disk and a tension spring on the other side of said disk.
  • said flux generating means includes a ferromagnetic member and an electrical conductor, and including electrical insulating means interposed between said ferromagnetic member and said conductor.
  • said flux generating means includes a ferromagnetic member and an electrical conductor, and electrical insulating means interposed between said ferromagnetic member and said disk.
  • Induction heating apparatus for heating the marginal edge of a disk while it is being deformed into a flange, flux generating means for establishing a magnetic flux within said marginal edge, means for maintaining said magnetic flux in approximately the same concentration in said marginal edge throughout said deformation, separate flux generating means disposed on opposite sides of the marginal edge of said disk, for uniformly heating both of said sides, means supporting said separate flux generating means for movement in the same relative direction as said edge is deformed, said flux generating means comprising two separate inductors each juxtaposed with a separate minor proportion of the periphery of said disk, one of said inductors being adapted for heating the central portion of the marginal zone of said disk, and the other inductor being adapted for heating the outer portion of said marginal zone.
  • Apparatus according to claim 5 wherein said one inductor is provided with a movable ferromagnetic member means for moving said movable member to maintain an end of said movable member juxtaposed with said disk, and wherein said second inductor is a tunnel inductor.
  • a method of heating the marginal edge of a disk while it is being deformed into a flange comprising the steps of establishing a magnetic flux within said marginal edge, maintaining said magnetic flux in approximately the same concentration throughout said deformation, providing a path for said magnetic flux including a movable ferromagnetic member, moving said member during said deformation to maintain a constant spacing between said movable member and said disk, movable ferromagnetic members being provided on opposite sides of said disk, and wherein the movable members on both sides of said disk are moved during said deformation to maintain a relatively constant separation between said disk and said movable members.
  • An apparatus for heating the edge zone of a disc for example, a boiler bottom or the like rotating repeatedly about a central normal axis of the disc for the purpose of deformation of the edge zone to form a marginal rim, comprising an edge heating tool, alternating current inductors cooperable with the edge tool which sectorially impinge on both sides of the disc, the inductors including current conductors which enclose the edge zone of the disc before and during the deformation, first means provided for movement on said edge heating tool for the concentration of the magnetic alternating field, and support means for movably guiding said first means in the area of the edge zone in such a manner that in each phase of the deformation the inductors and the disc are operatively coupled.
  • Apparatus according to claim 8 further characterized in that the first means comprises movable shortcircuit panels, and rollers supporting said panels on the disc, said support means including means having the panels extended there through.
  • Apparatus according to claim 9 further comprising a pressure equalizer connecting said support means with one another.
  • Apparatus according to claim 8 characterized in that the first means comprises movable short-circuit panels which are electrically insulated from the windings of the conductors.
  • said apparatus further comprising rollers and the second of said inductors being constructed as a short tunnel inductor and being movable during the deformation and operable to continuously heat the outer part of the edge zone while traveling on said rollers.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)
US00328483A 1972-01-31 1973-01-31 Induction heating apparatus for heating the marginal edge of a disk Expired - Lifetime US3835282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2204343A DE2204343C3 (de) 1972-01-31 1972-01-31 Vorrichtung zur Randzonenerwärmung einer um die zentrische Normalachse umlaufenden Ronde

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US (1) US3835282A (enrdf_load_stackoverflow)
JP (1) JPS549745B2 (enrdf_load_stackoverflow)
CH (1) CH558628A (enrdf_load_stackoverflow)
DE (1) DE2204343C3 (enrdf_load_stackoverflow)
FR (1) FR2169964B1 (enrdf_load_stackoverflow)
GB (1) GB1413875A (enrdf_load_stackoverflow)
IT (1) IT978299B (enrdf_load_stackoverflow)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867606A (en) * 1973-10-15 1975-02-18 Raytheon Co Microwave heating apparatus for rotatable articles
US4000634A (en) * 1975-05-05 1977-01-04 Don R. Hinderliter, Inc. Method and apparatus for forming a sheave from a flat disc of metal
US4828227A (en) * 1986-12-11 1989-05-09 Institut De Recherches De La Siderurgie Francaise (Irsid) Inductor for the inductive reheating of metallurgical products
RU2197072C2 (ru) * 1999-06-28 2003-01-20 Государственное унитарное предприятие "Уральское отделение Всеросссийского научно-исследовательского института железнодорожного транспорта" Устройство для местного нагрева боковых рам тележек грузовых вагонов в буксовых проёмах
US6548791B2 (en) * 2000-03-03 2003-04-15 Inli, Llc Energy storage apparatus and inductor tools for magnetic pulse welding and forming
US6660110B1 (en) * 2002-04-08 2003-12-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Heat treatment devices and method of operation thereof to produce dual microstructure superalloy disks
US20080124210A1 (en) * 2006-11-28 2008-05-29 Peter Wayte Rotary assembly components and methods of fabricating such components
US20080120842A1 (en) * 2006-11-28 2008-05-29 Daniel Edward Wines Rotary machine components and methods of fabricating such components
US20090235715A1 (en) * 2008-03-15 2009-09-24 Elringklinger Ag 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
US20120067100A1 (en) * 2010-09-20 2012-03-22 Ati Properties, Inc. Elevated Temperature Forming Methods for Metallic Materials
CN104762448A (zh) * 2009-07-30 2015-07-08 高周波热练株式会社 感应加热淬火装置、感应加热淬火方法、感应加热线圈、热处理装置及热处理方法
US9192981B2 (en) 2013-03-11 2015-11-24 Ati Properties, Inc. Thermomechanical processing of high strength non-magnetic corrosion resistant material
US9206497B2 (en) 2010-09-15 2015-12-08 Ati Properties, Inc. Methods for processing titanium alloys
US9523137B2 (en) 2004-05-21 2016-12-20 Ati Properties Llc Metastable β-titanium alloys and methods of processing the same by direct aging
US20170043389A1 (en) * 2014-04-21 2017-02-16 Kawasaki Jukogyo Kabushiki Kaisha Method of manufacturing preliminary formed body and axisymmetrical component
US20170066034A1 (en) * 2015-09-09 2017-03-09 Hyundai Motor Company Induction heating device of blank
US9616480B2 (en) 2011-06-01 2017-04-11 Ati Properties Llc Thermo-mechanical processing of nickel-base alloys
US9765420B2 (en) 2010-07-19 2017-09-19 Ati Properties Llc Processing of α/β titanium alloys
US9777361B2 (en) 2013-03-15 2017-10-03 Ati Properties Llc Thermomechanical processing of alpha-beta titanium alloys
US9796005B2 (en) 2003-05-09 2017-10-24 Ati Properties Llc Processing of titanium-aluminum-vanadium alloys and products made thereby
US9869003B2 (en) 2013-02-26 2018-01-16 Ati Properties Llc Methods for processing alloys
US10053758B2 (en) 2010-01-22 2018-08-21 Ati Properties Llc Production of high strength titanium
US10094003B2 (en) 2015-01-12 2018-10-09 Ati Properties Llc Titanium alloy
US10435775B2 (en) 2010-09-15 2019-10-08 Ati Properties Llc Processing routes for titanium and titanium alloys
US10502252B2 (en) 2015-11-23 2019-12-10 Ati Properties Llc Processing of alpha-beta titanium alloys
US10513755B2 (en) 2010-09-23 2019-12-24 Ati Properties Llc High strength alpha/beta titanium alloy fasteners and fastener stock
US11111552B2 (en) 2013-11-12 2021-09-07 Ati Properties Llc Methods for processing metal alloys
US12344918B2 (en) 2023-07-12 2025-07-01 Ati Properties Llc Titanium alloys

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7809159L (sv) * 1977-09-28 1979-03-29 Illinois Tool Works Induktionsuppvermningsanordning for adhesiva festorgan
US4128449A (en) * 1977-09-28 1978-12-05 Illinois Tool Works Inc. Induction heating fixture for applying adhesive-backed articles
US4527032A (en) * 1982-11-08 1985-07-02 Armco Inc. Radio frequency induction heating device
FR2593345B1 (fr) * 1986-01-21 1988-03-04 Alsthom Dispositif a armature articulee pour chauffage inductif au defile
DE4032792C2 (de) * 1989-11-02 2000-03-09 Blum Gmbh & Co E Induktiv erhitzbare Vorrichtung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2382779A (en) * 1942-06-25 1945-08-14 Ohio Crankshaft Co Apparatus for variable heating
US2578889A (en) * 1944-06-28 1951-12-18 American Viscose Corp Method and apparatus for stiffening fabric edges
US2743345A (en) * 1953-07-17 1956-04-24 Deutsche Edelstahlwerke Ag Induction heating apparatus
US3188440A (en) * 1962-12-26 1965-06-08 Int Harvester Co High frequency inductor assembly
US3219786A (en) * 1962-08-06 1965-11-23 Robert H Wenzel Induction heating device construction
US3444346A (en) * 1966-12-19 1969-05-13 Texas Instruments Inc Inductive heating of strip material
US3525842A (en) * 1967-09-23 1970-08-25 Fritz Steinhoff Apparatus for the heat-treatment of round bodies
US3608877A (en) * 1970-11-09 1971-09-28 United States Steel Corp Apparatus for treating circular saw blades

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2382779A (en) * 1942-06-25 1945-08-14 Ohio Crankshaft Co Apparatus for variable heating
US2578889A (en) * 1944-06-28 1951-12-18 American Viscose Corp Method and apparatus for stiffening fabric edges
US2743345A (en) * 1953-07-17 1956-04-24 Deutsche Edelstahlwerke Ag Induction heating apparatus
US3219786A (en) * 1962-08-06 1965-11-23 Robert H Wenzel Induction heating device construction
US3188440A (en) * 1962-12-26 1965-06-08 Int Harvester Co High frequency inductor assembly
US3444346A (en) * 1966-12-19 1969-05-13 Texas Instruments Inc Inductive heating of strip material
US3525842A (en) * 1967-09-23 1970-08-25 Fritz Steinhoff Apparatus for the heat-treatment of round bodies
US3608877A (en) * 1970-11-09 1971-09-28 United States Steel Corp Apparatus for treating circular saw blades

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867606A (en) * 1973-10-15 1975-02-18 Raytheon Co Microwave heating apparatus for rotatable articles
US4000634A (en) * 1975-05-05 1977-01-04 Don R. Hinderliter, Inc. Method and apparatus for forming a sheave from a flat disc of metal
US4828227A (en) * 1986-12-11 1989-05-09 Institut De Recherches De La Siderurgie Francaise (Irsid) Inductor for the inductive reheating of metallurgical products
RU2197072C2 (ru) * 1999-06-28 2003-01-20 Государственное унитарное предприятие "Уральское отделение Всеросссийского научно-исследовательского института железнодорожного транспорта" Устройство для местного нагрева боковых рам тележек грузовых вагонов в буксовых проёмах
US6548791B2 (en) * 2000-03-03 2003-04-15 Inli, Llc Energy storage apparatus and inductor tools for magnetic pulse welding and forming
US6660110B1 (en) * 2002-04-08 2003-12-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Heat treatment devices and method of operation thereof to produce dual microstructure superalloy disks
US9796005B2 (en) 2003-05-09 2017-10-24 Ati Properties Llc Processing of titanium-aluminum-vanadium alloys and products made thereby
US10422027B2 (en) 2004-05-21 2019-09-24 Ati Properties Llc Metastable beta-titanium alloys and methods of processing the same by direct aging
US9523137B2 (en) 2004-05-21 2016-12-20 Ati Properties Llc Metastable β-titanium alloys and methods of processing the same by direct aging
US20080124210A1 (en) * 2006-11-28 2008-05-29 Peter Wayte Rotary assembly components and methods of fabricating such components
US20080120842A1 (en) * 2006-11-28 2008-05-29 Daniel Edward Wines Rotary machine components and methods of fabricating such components
US7891952B2 (en) 2006-11-28 2011-02-22 General Electric Company Rotary machine components and methods of fabricating such components
US20090235715A1 (en) * 2008-03-15 2009-09-24 Elringklinger Ag 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
US8336359B2 (en) 2008-03-15 2012-12-25 Elringklinger Ag 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
CN104762448A (zh) * 2009-07-30 2015-07-08 高周波热练株式会社 感应加热淬火装置、感应加热淬火方法、感应加热线圈、热处理装置及热处理方法
US9534267B2 (en) 2009-07-30 2017-01-03 Neturen Co., Ltd. Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method
US10648052B2 (en) 2009-07-30 2020-05-12 Neturen Co., Ltd. Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method
CN104762448B (zh) * 2009-07-30 2017-09-01 高周波热练株式会社 感应加热淬火装置、感应加热淬火方法、感应加热线圈、热处理装置及热处理方法
US10053758B2 (en) 2010-01-22 2018-08-21 Ati Properties Llc Production of high strength titanium
US9765420B2 (en) 2010-07-19 2017-09-19 Ati Properties Llc Processing of α/β titanium alloys
US10144999B2 (en) 2010-07-19 2018-12-04 Ati Properties Llc Processing of alpha/beta titanium alloys
US9624567B2 (en) 2010-09-15 2017-04-18 Ati Properties Llc Methods for processing titanium alloys
US9206497B2 (en) 2010-09-15 2015-12-08 Ati Properties, Inc. Methods for processing titanium alloys
US10435775B2 (en) 2010-09-15 2019-10-08 Ati Properties Llc Processing routes for titanium and titanium alloys
US20120067100A1 (en) * 2010-09-20 2012-03-22 Ati Properties, Inc. Elevated Temperature Forming Methods for Metallic Materials
US10513755B2 (en) 2010-09-23 2019-12-24 Ati Properties Llc High strength alpha/beta titanium alloy fasteners and fastener stock
US9616480B2 (en) 2011-06-01 2017-04-11 Ati Properties Llc Thermo-mechanical processing of nickel-base alloys
US10287655B2 (en) 2011-06-01 2019-05-14 Ati Properties Llc Nickel-base alloy and articles
US10570469B2 (en) 2013-02-26 2020-02-25 Ati Properties Llc Methods for processing alloys
US9869003B2 (en) 2013-02-26 2018-01-16 Ati Properties Llc Methods for processing alloys
US9192981B2 (en) 2013-03-11 2015-11-24 Ati Properties, Inc. Thermomechanical processing of high strength non-magnetic corrosion resistant material
US10337093B2 (en) 2013-03-11 2019-07-02 Ati Properties Llc Non-magnetic alloy forgings
US10370751B2 (en) 2013-03-15 2019-08-06 Ati Properties Llc Thermomechanical processing of alpha-beta titanium alloys
US9777361B2 (en) 2013-03-15 2017-10-03 Ati Properties Llc Thermomechanical processing of alpha-beta titanium alloys
US11111552B2 (en) 2013-11-12 2021-09-07 Ati Properties Llc Methods for processing metal alloys
US10632522B2 (en) * 2014-04-21 2020-04-28 Kawasaki Jukogyo Kabushiki Kaisha Method of manufacturing preliminary formed body and axisymmetrical component
US20170043389A1 (en) * 2014-04-21 2017-02-16 Kawasaki Jukogyo Kabushiki Kaisha Method of manufacturing preliminary formed body and axisymmetrical component
US10808298B2 (en) 2015-01-12 2020-10-20 Ati Properties Llc Titanium alloy
US10619226B2 (en) 2015-01-12 2020-04-14 Ati Properties Llc Titanium alloy
US10094003B2 (en) 2015-01-12 2018-10-09 Ati Properties Llc Titanium alloy
US11319616B2 (en) 2015-01-12 2022-05-03 Ati Properties Llc Titanium alloy
US11851734B2 (en) 2015-01-12 2023-12-26 Ati Properties Llc Titanium alloy
US12168817B2 (en) 2015-01-12 2024-12-17 Ati Properties Llc Titanium alloy
US20170066034A1 (en) * 2015-09-09 2017-03-09 Hyundai Motor Company Induction heating device of blank
US10502252B2 (en) 2015-11-23 2019-12-10 Ati Properties Llc Processing of alpha-beta titanium alloys
US12344918B2 (en) 2023-07-12 2025-07-01 Ati Properties Llc Titanium alloys

Also Published As

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JPS4884334A (enrdf_load_stackoverflow) 1973-11-09
DE2204343B2 (de) 1974-08-15
DE2204343A1 (de) 1973-08-09
GB1413875A (en) 1975-11-12
FR2169964A1 (enrdf_load_stackoverflow) 1973-09-14
IT978299B (it) 1974-09-20
DE2204343C3 (de) 1975-04-17
CH558628A (de) 1975-01-31
FR2169964B1 (enrdf_load_stackoverflow) 1976-04-30
JPS549745B2 (enrdf_load_stackoverflow) 1979-04-26

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