CA2041682A1 - Procede de moulage a mousse perdue et sous basse pression de pieces en alliage d'aluminium - Google Patents

Procede de moulage a mousse perdue et sous basse pression de pieces en alliage d'aluminium

Info

Publication number
CA2041682A1
CA2041682A1 CA2041682A CA2041682A CA2041682A1 CA 2041682 A1 CA2041682 A1 CA 2041682A1 CA 2041682 A CA2041682 A CA 2041682A CA 2041682 A CA2041682 A CA 2041682A CA 2041682 A1 CA2041682 A1 CA 2041682A1
Authority
CA
Canada
Prior art keywords
mold
aluminum alloy
parts
lost foam
low pressure
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.)
Granted
Application number
CA2041682A
Other languages
English (en)
Other versions
CA2041682C (fr
Inventor
Michel Garat
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.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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
Priority claimed from FR909007736A external-priority patent/FR2662961B2/fr
Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of CA2041682A1 publication Critical patent/CA2041682A1/fr
Application granted granted Critical
Publication of CA2041682C publication Critical patent/CA2041682C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/09—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure
    • B22D27/13—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure making use of gas pressure

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Mold Materials And Core Materials (AREA)
  • Powder Metallurgy (AREA)
  • Forging (AREA)
  • Exhaust Silencers (AREA)
  • Saccharide Compounds (AREA)
  • Vending Machines For Individual Products (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Continuous Casting (AREA)

Abstract

Un procédé de moulage à mousse perdue de pièces métalliques notamment en alliage d'aluminium dans lequel on plonge un modèle du produit à obtenir fait d'une mousse en matière organique dans un moule constitué par un bain de sable sec ne contenant aucun agent de liaison, puis après avoir rempli le moule avec le métal fondu et avant que la fraction solidifiée de métal ne dépasse 40% en poids on applique une pression gazeuse isostatique sur le moule. On l'utilise essentiellement au moulage de pièces en alliage d'aluminium ayant un intervalle de solidification supérieur à 30°C et dont la géométrie est telle que le rapport R de la longueur qui sépare la masselotte de la ou les zone(s) critique sur la moitié de l'épaisseur moyenne de la pièce sur cette longueur est supérieur à 10 et que la pression relative appliquée est comprise entre 0,1 et 0,5 MPa.
L'invention permet la réalisation notamment de culasses de voitures d'automobiles ne présentant ni piqûres de gazage, ni retassure spongieuse et de toutes pièces à hautes caractéristiques mécaniques.
CA002041682A 1990-06-07 1991-05-02 Procede de moulage a mousse perdue et sous basse pression de pieces en alliage d'aluminium Expired - Lifetime CA2041682C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR909007736A FR2662961B2 (fr) 1986-11-17 1990-06-07 Procede de moulage a mousse perdue et sous basse pression de pieces en alliage d'aluminium.
FR9007736 1990-06-07

Publications (2)

Publication Number Publication Date
CA2041682A1 true CA2041682A1 (fr) 1991-12-08
CA2041682C CA2041682C (fr) 1996-01-16

Family

ID=9397836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002041682A Expired - Lifetime CA2041682C (fr) 1990-06-07 1991-05-02 Procede de moulage a mousse perdue et sous basse pression de pieces en alliage d'aluminium

Country Status (22)

Country Link
US (1) US5161595A (fr)
EP (1) EP0461052B1 (fr)
JP (1) JPH0732947B2 (fr)
KR (1) KR920000413A (fr)
CN (1) CN1021304C (fr)
AT (1) ATE109046T1 (fr)
AU (1) AU632935B2 (fr)
BG (1) BG94584A (fr)
BR (1) BR9102233A (fr)
CA (1) CA2041682C (fr)
CS (1) CS173091A3 (fr)
DE (1) DE69103095T2 (fr)
ES (1) ES2056608T3 (fr)
FI (1) FI912724A (fr)
HU (1) HU208270B (fr)
IE (1) IE911935A1 (fr)
MX (1) MX171021B (fr)
NO (1) NO911985L (fr)
PL (1) PL290532A1 (fr)
PT (1) PT97874A (fr)
RU (1) RU1838042C (fr)
YU (1) YU47535B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896912A (en) * 1995-04-27 1999-04-27 Hayes Wheels International, Inc. Method and apparatus for casting a vehicle wheel in a pressurized mold
DE19945547A1 (de) * 1999-09-23 2001-04-05 Albert Handtmann Metallguswerk Verfahren zum Vollformgießen mit nachfolgender Gasdruckbeaufschlagung
DE10104339A1 (de) * 2001-02-01 2002-08-08 Goldschmidt Ag Th Verfahren zur Herstellung von Metallschaum und danach hergestellter Metallkörper
DE10104340A1 (de) * 2001-02-01 2002-08-08 Goldschmidt Ag Th Verfahren zur Herstellung von Mettalschaum und danach hergestellter Metallkörper
US6915834B2 (en) 2001-02-01 2005-07-12 Goldschmidt Ag Process for producing metal foam and metal body produced using this process
US6763876B1 (en) 2001-04-26 2004-07-20 Brunswick Corporation Method and apparatus for casting of metal articles using external pressure
DE10127716A1 (de) 2001-06-07 2002-12-12 Goldschmidt Ag Th Verfahren zur Herstellung von Metall/Metallschaum-Verbundbauteilen
US6883580B1 (en) 2003-01-27 2005-04-26 Brunswick Corporation Apparatus and improved method for lost foam casting of metal articles using external pressure
US7100669B1 (en) 2003-04-09 2006-09-05 Brunswick Corporation Aluminum-silicon casting alloy having refined primary silicon due to pressure
US7494554B1 (en) 2003-05-07 2009-02-24 Brunswick Corporation Method for continuous manufacturing of cast articles utilizing one or more fluidized beds for heat treating and aging purposes
US6957685B1 (en) * 2003-05-07 2005-10-25 Brunswick Corporation Method of cleaning and of heat treating lost foam castings
KR200445972Y1 (ko) * 2009-01-30 2009-09-14 서미수 손잡이 부착 종이컵
CN102380608A (zh) * 2010-08-30 2012-03-21 江苏金鑫电器有限公司 一种铝合金铸造方法
US11047032B2 (en) 2013-03-05 2021-06-29 Brunswick Corporation Method for solution heat treating with pressure
KR102324582B1 (ko) * 2020-08-12 2021-11-09 이홍석 굴 양식용 패각

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR887120A (fr) * 1941-11-19 1943-11-04 Silumin Ges M B H Procédé de moulage
DE2622552C3 (de) * 1976-05-20 1979-04-12 Vki-Rheinhold & Mahla Ag, 6800 Mannheim Formkasten zur Herstellung von Gußstücken
FR2606688B1 (fr) * 1986-11-17 1989-09-08 Pechiney Aluminium Procede de moulage a mousse perdue de pieces metalliques

Also Published As

Publication number Publication date
EP0461052B1 (fr) 1994-07-27
HU208270B (en) 1993-09-28
BG94584A (bg) 1993-12-24
MX171021B (es) 1993-09-24
RU1838042C (ru) 1993-08-30
JPH04251633A (ja) 1992-09-08
KR920000413A (ko) 1992-01-29
EP0461052A1 (fr) 1991-12-11
CA2041682C (fr) 1996-01-16
YU47535B (sh) 1995-10-03
CS173091A3 (en) 1992-02-19
HUT57108A (en) 1991-11-28
ES2056608T3 (es) 1994-10-01
FI912724A (fi) 1991-12-08
YU99691A (sh) 1994-06-10
FI912724A0 (fi) 1991-06-06
BR9102233A (pt) 1992-01-07
CN1057981A (zh) 1992-01-22
CN1021304C (zh) 1993-06-23
AU7607391A (en) 1991-12-12
PL290532A1 (en) 1991-12-16
PT97874A (pt) 1993-08-31
NO911985L (no) 1991-12-09
NO911985D0 (no) 1991-05-23
DE69103095T2 (de) 1994-11-17
AU632935B2 (en) 1993-01-14
US5161595A (en) 1992-11-10
IE911935A1 (en) 1991-12-18
ATE109046T1 (de) 1994-08-15
DE69103095D1 (de) 1994-09-01
JPH0732947B2 (ja) 1995-04-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202