DE69710485T2 - Superplastisches verformen mit direkter elektrischer heizung - Google Patents

Superplastisches verformen mit direkter elektrischer heizung

Info

Publication number
DE69710485T2
DE69710485T2 DE69710485T DE69710485T DE69710485T2 DE 69710485 T2 DE69710485 T2 DE 69710485T2 DE 69710485 T DE69710485 T DE 69710485T DE 69710485 T DE69710485 T DE 69710485T DE 69710485 T2 DE69710485 T2 DE 69710485T2
Authority
DE
Germany
Prior art keywords
electric heating
direct electric
superplastic forming
superplastic
direct
Prior art date
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 - Lifetime
Application number
DE69710485T
Other languages
English (en)
Other versions
DE69710485D1 (de
Inventor
K Yasui
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.)
McDonnell Douglas Corp
Original Assignee
McDonnell Douglas 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.)
Filing date
Publication date
Application filed by McDonnell Douglas Corp filed Critical McDonnell Douglas Corp
Publication of DE69710485D1 publication Critical patent/DE69710485D1/de
Application granted granted Critical
Publication of DE69710485T2 publication Critical patent/DE69710485T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/709—Superplastic material

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
DE69710485T 1996-11-15 1997-10-08 Superplastisches verformen mit direkter elektrischer heizung Expired - Lifetime DE69710485T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/749,904 US5737954A (en) 1996-11-15 1996-11-15 Superplastic forming with direct electrical heating
PCT/US1997/018171 WO1998020991A1 (en) 1996-11-15 1997-10-08 Superplastic forming with direct electrical heating

Publications (2)

Publication Number Publication Date
DE69710485D1 DE69710485D1 (de) 2002-03-21
DE69710485T2 true DE69710485T2 (de) 2003-03-27

Family

ID=25015704

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710485T Expired - Lifetime DE69710485T2 (de) 1996-11-15 1997-10-08 Superplastisches verformen mit direkter elektrischer heizung

Country Status (5)

Country Link
US (1) US5737954A (de)
EP (1) EP0938392B1 (de)
AU (1) AU5145698A (de)
DE (1) DE69710485T2 (de)
WO (1) WO1998020991A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027045A2 (en) * 1996-01-12 1997-07-31 The Boeing Company Metal sandwich structure with integral hardpoint
GB2331722B (en) * 1997-11-28 2002-01-09 Mc Donnell Douglas Corp Controlling superplastic forming with a gas mass flow meter
AU3854400A (en) * 1999-06-01 2000-12-18 Mehmet Terziakin Instant heating process with electric current application to the workpiece for high strength metal forming
RU2170636C2 (ru) * 1999-06-28 2001-07-20 Институт проблем сверхпластичности металлов РАН Способ изготовления многослойной ячеистой конструкции
US6510601B1 (en) 2000-03-20 2003-01-28 The Boeing Company Invar forming method for making tooling
DE10016206C1 (de) * 2000-03-31 2001-10-04 Schuler Hydroforming Gmbh & Co Formwerkzeug für nach dem Innenhochdruck-Umformen herzustellende hohle Bauteile aus zwei Blechplatinen
JP4082070B2 (ja) * 2001-05-10 2008-04-30 住友金属工業株式会社 金属板の液圧バルジ成形方法、金型および成形品
GB2376910B (en) * 2001-06-30 2004-06-30 Rolls Royce Plc A method and apparatus for superplastically forming a workpiece
US6884966B2 (en) * 2002-10-22 2005-04-26 The Boeing Company Method and apparatus for forming and heat treating structural assemblies
US6884976B2 (en) * 2002-11-27 2005-04-26 The Boeing Company Induction heating for localized joining of structural members
US6747253B1 (en) 2003-05-07 2004-06-08 The Boeing Company Method and apparatus for induction heat treatment of structural members
US6914225B2 (en) * 2003-06-18 2005-07-05 The Boeing Company Apparatus and methods for single sheet forming using induction heating
US7112249B2 (en) * 2003-09-30 2006-09-26 General Motors Corporation Hot blow forming control method
US7086268B2 (en) * 2004-03-16 2006-08-08 Ford Global Technologies, Llc Apparatus and method for removing and cooling a part from a forming tool
EP1621267B1 (de) * 2004-07-28 2008-07-16 Nissan Motor Co., Ltd. Vorformling, Hydro-Umformverfahren und durch Hydro-Umformen geformtes Produkt
US7429711B2 (en) * 2004-09-17 2008-09-30 Noble Advanced Technologies, Inc. Metal forming apparatus and process with resistance heating
DE102005018240B4 (de) * 2005-04-19 2010-11-18 Benteler Automobiltechnik Gmbh Vorrichtung zum Umformen von Metallblechen
CN112719081B (zh) * 2020-12-25 2022-11-08 南阳师范学院 一种电流辅助spf/db一体化成形工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606778A (en) * 1968-06-17 1971-09-21 Reactive Metals Inc Method and apparatus for warm-rolling metal strip
US3567524A (en) * 1968-12-13 1971-03-02 Ibm Method of producing moldings and the products of this method
US4117970A (en) * 1976-11-16 1978-10-03 Rockwell International Corporation Method for fabrication of honeycomb structures
US4217397A (en) * 1978-04-18 1980-08-12 Mcdonnell Douglas Corporation Metallic sandwich structure and method of fabrication
US4233829A (en) * 1978-10-10 1980-11-18 Rockwell International Corporation Apparatus for superplastic forming
US4331284A (en) * 1980-03-14 1982-05-25 Rockwell International Corporation Method of making diffusion bonded and superplastically formed structures
DE3325820A1 (de) * 1982-09-27 1984-03-29 Kraftwerk Union AG, 4330 Mülheim Verfahren zum tiefziehen von blech und vorrichtung zur durchfuehrung dieses verfahrens
US5205470A (en) * 1988-10-31 1993-04-27 Rohr, Inc. Method and apparatus for superplastic forming of hollow parts
GB8912025D0 (en) * 1989-05-25 1989-07-12 British Aerospace Diffusion bonding
US5129248A (en) * 1991-01-02 1992-07-14 Mcdonnell Douglas Corporation Gas mass superplastic forming
US5277045A (en) * 1992-05-08 1994-01-11 Rockwell International Corp. Superplastic forming of metals at temperatures greater than 1000 degree C
SE503417C2 (sv) * 1994-09-21 1996-06-10 Electrolux Ab Sätt och anordning att forma föremål medelst superplastisk formning

Also Published As

Publication number Publication date
EP0938392A1 (de) 1999-09-01
DE69710485D1 (de) 2002-03-21
US5737954A (en) 1998-04-14
EP0938392B1 (de) 2002-02-13
WO1998020991A1 (en) 1998-05-22
AU5145698A (en) 1998-06-03

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition