EP2697405B1 - ALLIAGE POUR ELECTRODE DE BOUGIE D'ALLUMAGE
ET BOUGIE D'ALLUMAGE - Google Patents

ALLIAGE POUR ELECTRODE DE BOUGIE D'ALLUMAGE
ET BOUGIE D'ALLUMAGE Download PDF

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Publication number
EP2697405B1
EP2697405B1 EP12707053.0A EP12707053A EP2697405B1 EP 2697405 B1 EP2697405 B1 EP 2697405B1 EP 12707053 A EP12707053 A EP 12707053A EP 2697405 B1 EP2697405 B1 EP 2697405B1
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EP
European Patent Office
Prior art keywords
weight
electrode material
spark plug
silicon
material according
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
EP12707053.0A
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German (de)
English (en)
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EP2697405A1 (fr
Inventor
Simone Baus
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of EP2697405A1 publication Critical patent/EP2697405A1/fr
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
    • H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs

Claims (16)

  1. Matériau d'électrode de bougie d'allumage constitué par du nickel, du silicium et du cuivre, ainsi qu'éventuellement de l'yttrium et des impuretés métalliques et non métalliques inévitables, telles que du fer, du chrome, du titane, du manganèse, du soufre, des composés de soufre, du carbone, des composés de carbone et de l'oxygène, caractérisé en ce que le matériau d'électrode forme sur au moins une partie de sa surface lors d'une utilisation conforme une couche d'oxyde de nickel constituée par des grains d'oxyde de nickel, la phase intergranulaire des grains d'oxyde de nickel comprenant du silicium ou de l'oxyde de silicium ; avant l'utilisation conforme du matériau d'électrode de bougie d'allumage, la teneur en silicium étant de 0,7 à 1,3 % en poids, la teneur en cuivre étant de 0,5 à 1,0 % en poids, et la teneur en nickel étant de 97,5 à 98,5 % en poids, et éventuellement 0,07 à 0,13 % en poids d'yttrium, et la proportion d'impuretés métalliques étant au total inférieure à 0,2 % en poids, la teneur en fer et/ou en chrome et/ou en titane étant inférieure à 0,05 % en poids, et la teneur en soufre et/ou en composés de soufre et/ou en carbone et/ou en composés de carbone étant inférieure à 0,01 % en poids, et la teneur en oxygène étant inférieure à 0,003 % en poids.
  2. Matériau d'électrode de bougie d'allumage selon la revendication 1, caractérisé en ce que la phase intergranulaire des grains d'oxyde de nickel comprend en outre du cuivre et/ou de l'oxyde de cuivre.
  3. Matériau d'électrode de bougie d'allumage selon la revendication 1 ou 2, caractérisé en ce que la teneur en silicium et/ou en oxyde de silicium dans la couche d'oxyde de nickel est de 1 à 5 % en poids, notamment de 2 à 4 % en poids et notamment de 3 % en poids, par rapport au poids total de la couche d'oxyde.
  4. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'environ 90 % des grains d'oxyde de nickel et notamment environ 95 % des grains d'oxyde de nickel présentent une taille de grain inférieure à 15 µm.
  5. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'avant l'utilisation conforme du matériau d'électrode de bougie d'allumage, la teneur en silicium est de 0,9 à 1,1 % en poids, notamment de 1 % en poids, et la teneur en cuivre est de 0,6 à 0,85 % en poids, notamment de 0,75 % en poids.
  6. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'épaisseur de couche de la phase intergranulaire est inférieure à 0,3 µm, notamment inférieure à 0,2 µm et notamment inférieure à 0,1 µm.
  7. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau d'électrode contient en outre 0,09 à 0,11 % en poids, et notamment 0,10 % en poids, d'yttrium.
  8. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que la proportion d'impuretés métalliques est au total inférieure à 0,1 % en poids.
  9. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que les grains d'oxyde de nickel ne contiennent pas de silicium et/ou d'oxyde de silicium.
  10. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau d'électrode est exempt d'aluminium et/ou de composés d'aluminium et/ou de phases intermétalliques, à l'exception des impuretés techniques inévitables.
  11. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que la teneur en fer et/ou en chrome et/ou en titane est inférieure à 0,01 % en poids, et/ou en ce que la teneur en soufre et/ou en composés de soufre et/ou en carbone et/ou en composés de carbone est inférieure à 0,005 % en poids et notamment inférieure à 0,001 % en poids.
  12. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, caractérisé en ce que la teneur en oxygène est inférieure à 0,002 % en poids.
  13. Matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications précédentes, constitué par, à l'exception des impuretés techniques inévitables :
    a) 98,15 % en poids de nickel,
    b) 1 % en poids de silicium,
    c) 0,75 % en poids de cuivre et
    d) 0,1 % en poids d'yttrium.
  14. Procédé de fabrication d'un matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications 1 à 13, comprenant les étapes suivantes :
    - la fabrication d'un alliage à base de nickel,
    - l'incorporation d'éléments supplémentaires.
  15. Bougie d'allumage comprenant une électrode en un matériau d'électrode de bougie d'allumage selon l'une quelconque des revendications 1 à 13.
  16. Bougie d'allumage selon la revendication 15, caractérisée en ce que l'électrode est une électrode centrale et/ou une électrode de masse, et celle-ci peut être utilisée aussi bien avec que sans noyau en cuivre dans l'électrode centrale et/ou de masse.
EP12707053.0A 2011-04-15 2012-02-15 ALLIAGE POUR ELECTRODE DE BOUGIE D'ALLUMAGE
ET BOUGIE D'ALLUMAGE Active EP2697405B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011007532A DE102011007532A1 (de) 2011-04-15 2011-04-15 Zündkerzenelektrodenmaterial und Zündkerze, sowie Verfahren zur Herstellung des Zündkerzenelektrodenmaterials
PCT/EP2012/052563 WO2012139791A1 (fr) 2011-04-15 2012-02-15 Matériau d'électrode de bougie d'allumage et bougie d'allumage

Publications (2)

Publication Number Publication Date
EP2697405A1 EP2697405A1 (fr) 2014-02-19
EP2697405B1 true EP2697405B1 (fr) 2019-07-31

Family

ID=45808776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12707053.0A Active EP2697405B1 (fr) 2011-04-15 2012-02-15 ALLIAGE POUR ELECTRODE DE BOUGIE D'ALLUMAGE
ET BOUGIE D'ALLUMAGE

Country Status (9)

Country Link
US (1) US9166380B2 (fr)
EP (1) EP2697405B1 (fr)
JP (1) JP5732589B2 (fr)
KR (1) KR20140018921A (fr)
CN (1) CN103492595B (fr)
BR (1) BR112013026476A2 (fr)
DE (1) DE102011007532A1 (fr)
RU (1) RU2640699C1 (fr)
WO (1) WO2012139791A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007496A1 (de) * 2011-04-15 2012-10-18 Robert Bosch Gmbh Zündkerzenelektrodenmaterial und Zündkerze, sowie Verfahren zur Herstellung des Zündkerzenelektrodenmaterials und einer Elektrode für die Zündkerze
US9634327B2 (en) * 2013-03-30 2017-04-25 Tohoku University Negative electrode active material for lithium ion secondary battery, method for producing the same, negative electrode, and battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR858196A (fr) * 1939-07-24 1940-11-19 Mélange composé de plusieurs métaux et autres matières fondus ensemble applicable aux machines électriques automatiques et autres appareils magnétiques, magnétos,bougies, t. s. f., accumulateurs, etc.
US2958598A (en) * 1957-01-18 1960-11-01 Int Nickel Co Sparking plug electrodes
DE102010024488A1 (de) * 2010-06-21 2011-12-22 Thyssenkrupp Vdm Gmbh Nickelbasislegierung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04370686A (ja) * 1991-06-19 1992-12-24 Furukawa Special Metal Coated Co Ltd スパークプラグ用電極材料
RU2040092C1 (ru) * 1993-06-07 1995-07-20 Вячеслав Борисович Мельников Свеча зажигания
JP2007214136A (ja) * 2000-09-18 2007-08-23 Ngk Spark Plug Co Ltd スパークプラグ
US7671521B2 (en) * 2005-11-18 2010-03-02 Federal Mogul World Wide, Inc. Spark plug with multi-layer firing tip
DE102006035111B4 (de) * 2006-07-29 2010-01-14 Thyssenkrupp Vdm Gmbh Nickelbasislegierung
US20080308057A1 (en) 2007-06-18 2008-12-18 Lykowski James D Electrode for an Ignition Device
DE102009046005A1 (de) * 2009-10-26 2011-04-28 Robert Bosch Gmbh Zündkerzenelektrode, hergestellt aus verbessertem Elektrodenmaterial

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR858196A (fr) * 1939-07-24 1940-11-19 Mélange composé de plusieurs métaux et autres matières fondus ensemble applicable aux machines électriques automatiques et autres appareils magnétiques, magnétos,bougies, t. s. f., accumulateurs, etc.
US2958598A (en) * 1957-01-18 1960-11-01 Int Nickel Co Sparking plug electrodes
DE102010024488A1 (de) * 2010-06-21 2011-12-22 Thyssenkrupp Vdm Gmbh Nickelbasislegierung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN, DE, 1 January 1993 (1993-01-01), pages 178 - 190, XP000961882, ISSN: 0026-6884 *

Also Published As

Publication number Publication date
DE102011007532A1 (de) 2012-10-18
CN103492595B (zh) 2017-02-15
US9166380B2 (en) 2015-10-20
RU2640699C1 (ru) 2018-01-11
CN103492595A (zh) 2014-01-01
KR20140018921A (ko) 2014-02-13
EP2697405A1 (fr) 2014-02-19
JP2014516385A (ja) 2014-07-10
JP5732589B2 (ja) 2015-06-10
BR112013026476A2 (pt) 2016-12-20
WO2012139791A1 (fr) 2012-10-18
US20140125214A1 (en) 2014-05-08

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