FR3115220B1 - Moule carapace de fonderie pour pièces métalliques - Google Patents

Moule carapace de fonderie pour pièces métalliques Download PDF

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Publication number
FR3115220B1
FR3115220B1 FR2010557A FR2010557A FR3115220B1 FR 3115220 B1 FR3115220 B1 FR 3115220B1 FR 2010557 A FR2010557 A FR 2010557A FR 2010557 A FR2010557 A FR 2010557A FR 3115220 B1 FR3115220 B1 FR 3115220B1
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FR
France
Prior art keywords
shell mold
metal parts
stucco
molten metal
foundry
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.)
Active
Application number
FR2010557A
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English (en)
Other versions
FR3115220A1 (fr
Inventor
Wen Zhang
Mora Aliz Pinto
Nicolas Tessier-Doyen
Elsa Thune
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.)
Centre National de la Recherche Scientifique CNRS
Universite de Limoges
Safran SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
Universite de Limoges
Safran 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
Application filed by Centre National de la Recherche Scientifique CNRS, Universite de Limoges, Safran SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR2010557A priority Critical patent/FR3115220B1/fr
Publication of FR3115220A1 publication Critical patent/FR3115220A1/fr
Application granted granted Critical
Publication of FR3115220B1 publication Critical patent/FR3115220B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
    • B22C1/08—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for decreasing shrinkage of the mould, e.g. for investment casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B22C9/24—Moulds for peculiarly-shaped castings for hollow articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

Moule carapace de fonderie pour pièces métalliques L’invention concerne un moule carapace 10 pour métal fondu définissant une cavité 11 destinée à recevoir le métal fondu, ledit moule carapace étant composé d’un corps de moule carapace 13 recouvert d’une paroi interne 12 destinée à être en contact avec le métal fondu, caractérisé en ce que le corps de moule carapace comprend un premier stucco et un deuxième stucco, le deuxième stucco ayant un coefficient de retrait supérieur au coefficient de retrait du premier stucco. Figure pour l’abrégé : Fig. 2
FR2010557A 2020-10-15 2020-10-15 Moule carapace de fonderie pour pièces métalliques Active FR3115220B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2010557A FR3115220B1 (fr) 2020-10-15 2020-10-15 Moule carapace de fonderie pour pièces métalliques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2010557A FR3115220B1 (fr) 2020-10-15 2020-10-15 Moule carapace de fonderie pour pièces métalliques
FR2010557 2020-10-15

Publications (2)

Publication Number Publication Date
FR3115220A1 FR3115220A1 (fr) 2022-04-22
FR3115220B1 true FR3115220B1 (fr) 2023-12-15

Family

ID=74553923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2010557A Active FR3115220B1 (fr) 2020-10-15 2020-10-15 Moule carapace de fonderie pour pièces métalliques

Country Status (1)

Country Link
FR (1) FR3115220B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3144930A1 (fr) * 2023-01-12 2024-07-19 Safran Procédé de fabrication d'un moule comprenant des particules fissurantes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961751A (en) * 1958-01-13 1960-11-29 Misco P C Inc Ceramic metal casting process
GB987768A (en) * 1962-05-01 1965-03-31 Union Carbide Corp Improvements in and relating to moulds
JP3238166B2 (ja) * 1991-08-01 2001-12-10 三菱重工業株式会社 精密鋳造用鋳型の製造方法
FR3071422B1 (fr) * 2017-09-28 2022-09-02 Safran Moule carapace en ceramique pour fonderie a la cire perdue

Also Published As

Publication number Publication date
FR3115220A1 (fr) 2022-04-22

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