EP2204246A3 - Noyaux de fonderie dotés de propriétés de dénoyautage I améliorées - Google Patents

Noyaux de fonderie dotés de propriétés de dénoyautage I améliorées Download PDF

Info

Publication number
EP2204246A3
EP2204246A3 EP09175206A EP09175206A EP2204246A3 EP 2204246 A3 EP2204246 A3 EP 2204246A3 EP 09175206 A EP09175206 A EP 09175206A EP 09175206 A EP09175206 A EP 09175206A EP 2204246 A3 EP2204246 A3 EP 2204246A3
Authority
EP
European Patent Office
Prior art keywords
gutting
properties
improved
foundry core
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.)
Granted
Application number
EP09175206A
Other languages
German (de)
English (en)
Other versions
EP2204246B1 (fr
EP2204246A2 (fr
Inventor
Lorenz Ratke
Barbara Milow
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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 Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Publication of EP2204246A2 publication Critical patent/EP2204246A2/fr
Publication of EP2204246A3 publication Critical patent/EP2204246A3/fr
Application granted granted Critical
Publication of EP2204246B1 publication Critical patent/EP2204246B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
    • B22C1/183—Sols, colloids or hydroxide gels
    • 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
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2246—Condensation polymers of aldehydes and ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mold Materials And Core Materials (AREA)
EP09175206.3A 2008-11-12 2009-11-06 Noyaux de fonderie dotés de propriétés de dénoyautage I améliorées Active EP2204246B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008056856A DE102008056856A1 (de) 2008-11-12 2008-11-12 Gießereikerne mit verbesserten Entkernungseigenschaften I

Publications (3)

Publication Number Publication Date
EP2204246A2 EP2204246A2 (fr) 2010-07-07
EP2204246A3 true EP2204246A3 (fr) 2012-01-04
EP2204246B1 EP2204246B1 (fr) 2018-10-03

Family

ID=42104954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09175206.3A Active EP2204246B1 (fr) 2008-11-12 2009-11-06 Noyaux de fonderie dotés de propriétés de dénoyautage I améliorées

Country Status (2)

Country Link
EP (1) EP2204246B1 (fr)
DE (1) DE102008056856A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108367337A (zh) * 2015-12-15 2018-08-03 罗伯特·博世有限公司 在三维打印工艺下制造铸造砂型、尤其是铸造砂芯的方法以及在该方法中使用的砂混合物
DE102022132848A1 (de) 2022-12-09 2024-06-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aerogelgranulat für die Verwendung in der Gießerei

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036610A1 (fr) * 1999-03-17 2000-09-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Moulage de précision et en châssis dans des aérogels organiques ou en carbone
EP1077097A1 (fr) * 1999-08-18 2001-02-21 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Utilisation d'aérogels en plastique et/ou en carbone comme matériau de noyeau
EP1236525A2 (fr) * 2001-02-15 2002-09-04 Alcan Technology & Management AG Moule de coulée
WO2005056643A2 (fr) * 2003-12-10 2005-06-23 Deutsches Zentrum für Luft- und Raumfahrt e.V. Production d'aerogels contenant une charge
EP1820582A1 (fr) * 2006-01-24 2007-08-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aérogel dans noyaux de la fonte de précision et/ou de la fonte de métal léger
EP1852197A1 (fr) * 2006-05-06 2007-11-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Matériau pour la confection de noyaux de fonderie à base d'aérogel de silice contenant une argile gonflante
DE102006056093A1 (de) * 2006-11-17 2008-05-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aerosand-Additive

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036610A1 (fr) * 1999-03-17 2000-09-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Moulage de précision et en châssis dans des aérogels organiques ou en carbone
EP1077097A1 (fr) * 1999-08-18 2001-02-21 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Utilisation d'aérogels en plastique et/ou en carbone comme matériau de noyeau
EP1236525A2 (fr) * 2001-02-15 2002-09-04 Alcan Technology & Management AG Moule de coulée
WO2005056643A2 (fr) * 2003-12-10 2005-06-23 Deutsches Zentrum für Luft- und Raumfahrt e.V. Production d'aerogels contenant une charge
EP1820582A1 (fr) * 2006-01-24 2007-08-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aérogel dans noyaux de la fonte de précision et/ou de la fonte de métal léger
EP1852197A1 (fr) * 2006-05-06 2007-11-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Matériau pour la confection de noyaux de fonderie à base d'aérogel de silice contenant une argile gonflante
DE102006056093A1 (de) * 2006-11-17 2008-05-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aerosand-Additive

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LORENZ RATKE ET AL: "Mechanical properties of aerogel composites for casting purposes", JOURNAL OF MATERIALS SCIENCE, KLUWER ACADEMIC PUBLISHERS, BO LNKD- DOI:10.1007/S10853-005-3152-8, vol. 41, no. 4, 1 February 2006 (2006-02-01), pages 1019 - 1024, XP019211565, ISSN: 1573-4803 *

Also Published As

Publication number Publication date
DE102008056856A1 (de) 2010-05-20
EP2204246B1 (fr) 2018-10-03
EP2204246A2 (fr) 2010-07-07

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