CA1055680A - Methode de fabrication d'un ensemble sandwich metallique - Google Patents

Methode de fabrication d'un ensemble sandwich metallique

Info

Publication number: CA1055680A
Authority: CA; Canada
Prior art keywords: stack; workpieces; chamber; metal; inert gas
Prior art date: 1975-03-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA238,141A

Other languages

English (en)

Other versions

CA238141S (en

Inventor

Charles H. Hamilton

Leonard A. Ascani (Jr.)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Boeing North American Inc

Original Assignee

Rockwell International Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1975-03-20

Filing date

1975-10-20

Publication date

1979-06-05

1975-03-20 Priority claimed from US560437A external-priority patent/US3927817A/en

1975-10-20 Application filed by Rockwell International Corp filed Critical Rockwell International Corp

1978-06-15 Priority to CA305,515A priority Critical patent/CA1050250A/fr

1978-06-15 Priority to CA305,514A priority patent/CA1052081A/fr

1979-06-05 Application granted granted Critical

1979-06-05 Publication of CA1055680A publication Critical patent/CA1055680A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 35
229910052751 metal Inorganic materials 0.000 claims abstract description 103
239000002184 metal Substances 0.000 claims abstract description 103
238000009792 diffusion process Methods 0.000 claims abstract description 63
239000011261 inert gas Substances 0.000 claims abstract description 36
238000005304 joining Methods 0.000 claims abstract description 17
238000007493 shaping process Methods 0.000 claims abstract description 11
238000004519 manufacturing process Methods 0.000 claims abstract description 9
229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 6
239000000463 material Substances 0.000 claims description 20
238000010438 heat treatment Methods 0.000 claims description 6
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
229910052786 argon Inorganic materials 0.000 claims description 2
230000001939 inductive effect Effects 0.000 claims 1
150000002739 metals Chemical class 0.000 description 17
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 12
230000035945 sensitivity Effects 0.000 description 12
239000010936 titanium Substances 0.000 description 12
229910045601 alloy Inorganic materials 0.000 description 11
239000000956 alloy Substances 0.000 description 11
229910052719 titanium Inorganic materials 0.000 description 11
238000003780 insertion Methods 0.000 description 7
230000037431 insertion Effects 0.000 description 7
239000007789 gas Substances 0.000 description 6
238000003466 welding Methods 0.000 description 6
238000005219 brazing Methods 0.000 description 5
230000008569 process Effects 0.000 description 5
239000011230 binding agent Substances 0.000 description 4
238000011109 contamination Methods 0.000 description 4
RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 4
230000000694 effects Effects 0.000 description 3
CDFSOKHNACTNPU-GHUQRRHWSA-N 3-[(1r,3s,5s,8r,9s,10s,11r,13r,17r)-1,5,11,14-tetrahydroxy-10,13-dimethyl-3-[(2r,3r,4r,5s,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-17-yl]-2h-furan-5-one Chemical compound O[C@@H]1[C@H](O)[C@H](O)[C@H](C)O[C@H]1O[C@@H]1C[C@@]2(O)CC[C@H]3C4(O)CC[C@H](C=5COC(=O)C=5)[C@@]4(C)C[C@@H](O)[C@@H]3[C@@]2(C)[C@H](O)C1 CDFSOKHNACTNPU-GHUQRRHWSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
229910000883 Ti6Al4V Inorganic materials 0.000 description 2
239000010953 base metal Substances 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
238000013461 design Methods 0.000 description 2
239000011888 foil Substances 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
230000002265 prevention Effects 0.000 description 2
238000012360 testing method Methods 0.000 description 2
229910052582 BN Inorganic materials 0.000 description 1
PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
102000003800 Selectins Human genes 0.000 description 1
108090000184 Selectins Proteins 0.000 description 1
208000036366 Sensation of pressure Diseases 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
238000013459 approach Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
229910052790 beryllium Inorganic materials 0.000 description 1
ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
230000001413 cellular effect Effects 0.000 description 1
230000003749 cleanliness Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000007769 metal material Substances 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
239000010955 niobium Substances 0.000 description 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000003825 pressing Methods 0.000 description 1
AAEVYOVXGOFMJO-UHFFFAOYSA-N prometryn Chemical compound CSC1=NC(NC(C)C)=NC(NC(C)C)=N1 AAEVYOVXGOFMJO-UHFFFAOYSA-N 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000005482 strain hardening Methods 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
230000009466 transformation Effects 0.000 description 1
239000011800 void material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
229910052726 zirconium Inorganic materials 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/053—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure characterised by the material of the blanks
- B21D26/055—Blanks having super-plastic properties
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/053—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure characterised by the material of the blanks
- B21D26/059—Layered blanks
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Pressure Welding/Diffusion-Bonding (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)

CA238,141A 1975-03-20 1975-10-20 Methode de fabrication d'un ensemble sandwich metallique Expired CA1055680A (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
CA305,515A CA1050250A (fr)	1975-03-20	1978-06-15	Methode de fabrication d'elements-sandwich a revetement metallique
CA305,514A CA1052081A (fr)	1975-03-20	1978-06-15	Methode de fabrication des structures metalliques en sandwich

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US560437A US3927817A (en)	1974-10-03	1975-03-20	Method for making metallic sandwich structures

Publications (1)

Publication Number	Publication Date
CA1055680A true CA1055680A (fr)	1979-06-05

Family

ID=24237828

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA238,141A Expired CA1055680A (fr)	1975-03-20	1975-10-20	Methode de fabrication d'un ensemble sandwich metallique

Country Status (7)

Country	Link
JP (1)	JPS5924893B2 (fr)
CA (1)	CA1055680A (fr)
CH (1)	CH622191A5 (fr)
DE (1)	DE2611859A1 (fr)
FR (1)	FR2304438A2 (fr)
GB (1)	GB1495655A (fr)
SE (1)	SE414591B (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2030480B (en)	1978-09-29	1982-08-04	British Aerospace	Method of making a stiffened panel
JPS5656739A (en) *	1979-10-16	1981-05-18	Yasuo Ikeda	Production of hollow lightweight metal plate
JPS5666337A (en) *	1979-11-01	1981-06-04	Yasuo Ikeda	Manufacture of lightweight metallic sheet
DE3104919A1 (de) *	1980-02-15	1981-12-17	British Aerospace Public Ltd. Co., London	Verfahren zur herstellung von metallgegenstaenden
DE3121126C1 (de) *	1981-05-27	1983-01-27	Messerschmitt-Bölkow-Blohm GmbH, 8000 München	Einrichtung zur superplastischen Verformung
GB2109711B (en) *	1981-11-24	1985-07-31	Grumman Aerospace Corp	Method for superplastic forming and diffusion bonding complex continuous structures
US4588651A (en) *	1983-02-16	1986-05-13	Rockwell International Corporation	Accordion expansion process
GB8411611D0 (en) *	1984-05-05	1984-06-13	British Aerospace	Superplastic forming of panels
GB8802738D0 (en) *	1988-02-06	1988-03-09	British Aerospace	Apparatus & method for fabricating superplastically formed structures
GB8821222D0 (en) *	1988-09-09	1988-12-14	British Aerospace	Double curvature structures by superplastic forming & diffusion bonding
US4934580A (en) *	1988-12-27	1990-06-19	Barnes Group, Inc.	Method of making superplastically formed and diffusion bonded articles and the articles so made
US5139887A (en) *	1988-12-27	1992-08-18	Barnes Group, Inc.	Superplastically formed cellular article
GB8912025D0 (en) *	1989-05-25	1989-07-12	British Aerospace	Diffusion bonding
US5385204A (en) *	1989-08-25	1995-01-31	Rolls-Royce Plc	Heat exchanger and methods of manufacture thereof
JP2738971B2 (ja) *	1990-04-10	1998-04-08	三菱重工業株式会社	金属サンドイッチパネルの製作方法
US5287918A (en) *	1990-06-06	1994-02-22	Rolls-Royce Plc	Heat exchangers
US5505256A (en) *	1991-02-19	1996-04-09	Rolls-Royce Plc	Heat exchangers and methods of manufacture thereof
US5253419A (en) *	1991-02-20	1993-10-19	Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A."	Method of manufacturing a hollow blade for a turboshaft engine
GB9104155D0 (en) *	1991-02-27	1991-04-17	Rolls Royce Plc	Heat exchanger
GB9104156D0 (en) *	1991-02-27	1991-04-17	Rolls Royce & Ass	Heat exchanger
FR2694900B1 (fr) *	1992-08-19	1994-10-21	Hispano Suiza Sa	Procédé de fabrication d'assemblages composés de deux pièces collées et comportant une étape de formage.
DE19714989A1 (de) *	1997-04-10	1998-10-15	Matthias Prof Dr Ing Kleiner	Verfahren und Vorrichtung zur Herstellung von zweiachsig biegesteifen mehrlagigen Blechbauteilen
DE19714888A1 (de) *	1997-04-10	1998-10-15	Kleiner Matthias Prof Dr Ing	Verfahren und Vorrichtung zur Herstellung von Formteilen aus nicht miteinander verbundenen Blechzuschnitten
GB0006734D0 (en)	2000-03-20	2000-05-10	British Aerospace	Superplastic forming method
FR2817954B1 (fr) *	2000-12-11	2003-01-10	Pechiney Rhenalu	Procede de fabrication de panneaux en aluminium a circuit integre
DE10103131C2 (de) *	2001-01-24	2002-11-21	Daimler Chrysler Ag	Verfahren zur Herstellung von Hohlkörpern aus zumindest zwei aufeinanderliegenden Platinen
ES2267368B1 (es) *	2004-12-30	2008-06-01	Airbus España S.L.	Panel composite monolitico con forma de cajon multicelular.
RU2291019C2 (ru) *	2005-03-23	2007-01-10	Институт проблем сверхпластичности металлов РАН	Способ изготовления изделия путем сверхпластической формовки и диффузионной сварки
DE102007045739B4 (de) *	2007-09-25	2012-10-25	Technische Universität Chemnitz	Dreidimensional formbarer Sandwichkern für Hohlkörper-Sandwichbauteile
CN102990300B (zh) *	2012-11-21	2015-04-29	中国航空工业集团公司北京航空制造工程研究所	一种钛合金三维点阵夹层结构的制备方法
CN102990299B (zh) *	2012-11-21	2015-04-29	中国航空工业集团公司北京航空制造工程研究所	一种x型钛合金三维点阵夹层结构的制备方法
GB2531518A (en) *	2014-10-20	2016-04-27	Rolls-Royce Power Eng Plc	Heat exchanger
EP3873851A1 (fr) *	2018-11-02	2021-09-08	Rhodia Operations	Compositions a base d'yttrium, de cérium et de composé organique, ainsi que leur utilisation anti-diffusion
CN111085616A (zh) *	2019-12-19	2020-05-01	南京航空航天大学	一种带支柱中空复杂结构件的成形模具及制造方法
CN114289594B (zh) *	2021-12-21	2024-04-19	北京星航机电装备有限公司	一种具有夹层的结构部件的超塑成形方法
EP4209289B1 (fr) *	2022-01-10	2024-06-19	Benteler Automobiltechnik GmbH	Procédé et outil de formage à chaud destinés à la fabrication d'une plaque d'échange de chaleur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2850798A (en) *	1954-05-03	1958-09-09	Fred E Bowman	Method of bonding zirconium
US3044160A (en) *	1958-03-03	1962-07-17	Battelle Development Corp	Method of producing ribbed metal sandwich structures
US3145466A (en) *	1959-11-27	1964-08-25	Westinghouse Electric Corp	Diffusion bonding of metal members
NL268834A (fr) *	1960-09-02
US3170234A (en) *	1962-09-17	1965-02-23	Charles O Tarr	Jointing of refractory metals by solidstate diffusion bonding
US3340101A (en) *	1965-04-02	1967-09-05	Ibm	Thermoforming of metals
US3920175A (en) *	1974-10-03	1975-11-18	Rockwell International Corp	Method for superplastic forming of metals with concurrent diffusion bonding

1975
- 1975-10-17 GB GB42761/75A patent/GB1495655A/en not_active Expired
- 1975-10-20 CA CA238,141A patent/CA1055680A/fr not_active Expired
- 1975-11-10 FR FR7534351A patent/FR2304438A2/fr active Granted
1976
- 1976-01-05 CH CH1576A patent/CH622191A5/de not_active IP Right Cessation
- 1976-01-14 SE SE7600331A patent/SE414591B/xx not_active IP Right Cessation
- 1976-02-12 JP JP51014794A patent/JPS5924893B2/ja not_active Expired
- 1976-03-20 DE DE19762611859 patent/DE2611859A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
GB1495655A (en)	1977-12-21
FR2304438A2 (fr)	1976-10-15
JPS5924893B2 (ja)	1984-06-13
SE7600331L (sv)	1976-09-21
DE2611859A1 (de)	1976-10-07
FR2304438B2 (fr)	1980-07-18
JPS51111465A (en)	1976-10-01
CH622191A5 (en)	1981-03-31
SE414591B (sv)	1980-08-11

Publication	Publication Date	Title
CA1055680A (fr)	1979-06-05	Methode de fabrication d'un ensemble sandwich metallique
US3927817A (en)	1975-12-23	Method for making metallic sandwich structures
EP0507067B1 (fr)	1995-02-01	Procédé pour la fabrication de constructions sandwich en alliage de titanium-aluminium
US4117970A (en)	1978-10-03	Method for fabrication of honeycomb structures
US4331284A (en)	1982-05-25	Method of making diffusion bonded and superplastically formed structures
JP3090324B2 (ja)	2000-09-18	多孔構造物およびその製作方法
US4882823A (en)	1989-11-28	Superplastic forming diffusion bonding process
US5735156A (en)	1998-04-07	Method and apparatus for forming a non-circular pipe
US5941446A (en)	1999-08-24	SPF/DB airfoil-shaped structure and method of fabrication thereof
EP1013355B1 (fr)	2006-08-09	Structure de cordons de soudure avec réserve d'angle pour un ensemble de tôles empilées devant subir une déformation superplastique
US5692881A (en)	1997-12-02	Hollow metallic structure and method of manufacture
US5243758A (en)	1993-09-14	Design and processing method for manufacturing hollow airfoils (three-piece concept)
US7866535B2 (en)	2011-01-11	Preform for forming complex contour structural assemblies
US5469618A (en)	1995-11-28	Method for manufacturing hollow airfoils (two-piece concept)
EP1435268B1 (fr)	2008-01-16	Tôle composée soudée pour hydroformage et procédé pour réaliser et former une telle tôle composée
US7416105B2 (en)	2008-08-26	Superplastically forming of friction welded structural assemblies
EP0414731B1 (fr)	1994-01-26	Structure en sandwich courbes a formage superplastique/liaison par diffusion
EP0535935A1 (fr)	1993-04-07	Structures cellulaires à formage superplastique/liaison par diffusion
US5139887A (en)	1992-08-18	Superplastically formed cellular article
US5401583A (en)	1995-03-28	Gas manifolding for super plastic forming and diffusion bonding of truss core sandwiches
US4509671A (en)	1985-04-09	Method of producing diffusion bonded superplastically formed structures
US4113522A (en)	1978-09-12	Method of making a metallic structure by combined superplastic forming and forging
US5581882A (en)	1996-12-10	Method of manufacturing an article by superplastic forming and diffusion bonding
EP0502620A1 (fr)	1992-09-09	Perfectionnement relatif aux composants formés superplastiquement
US5692406A (en)	1997-12-02	Gas inlet for a superplastic forming die and method of use