EP2318560A2 - Procédé de fabrication d'un piston pour un moteur à combustion interne composé d'un alliage d'aluminium-silicium évolué - Google Patents

Procédé de fabrication d'un piston pour un moteur à combustion interne composé d'un alliage d'aluminium-silicium évolué

Info

Publication number
EP2318560A2
EP2318560A2 EP09778312A EP09778312A EP2318560A2 EP 2318560 A2 EP2318560 A2 EP 2318560A2 EP 09778312 A EP09778312 A EP 09778312A EP 09778312 A EP09778312 A EP 09778312A EP 2318560 A2 EP2318560 A2 EP 2318560A2
Authority
EP
European Patent Office
Prior art keywords
piston
silicon alloy
aluminum
internal combustion
combustion engine
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.)
Withdrawn
Application number
EP09778312A
Other languages
German (de)
English (en)
Inventor
Udo Buschkamp
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.)
KS Kolbenschmidt GmbH
Original Assignee
KS Kolbenschmidt GmbH
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 KS Kolbenschmidt GmbH filed Critical KS Kolbenschmidt GmbH
Publication of EP2318560A2 publication Critical patent/EP2318560A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C22C21/04—Modified aluminium-silicon alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0084—Pistons  the pistons being constructed from specific materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/01—Pistons; Trunk pistons; Plungers characterised by the use of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/90—Alloys not otherwise provided for
    • F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37

Definitions

  • the invention relates to a method for producing a piston of an internal combustion engine, wherein a piston blank made of an aluminum-silicon alloy is poured with the addition of copper fractions and then finished, according to the features of the preamble of claim 1.
  • the other possibility for producing a piston, with which the desired complex designs can be achieved is the casting method, wherein for the production of pistons made of light metal materials preferably an aluminum-silicon alloy is used, which is entered as cast melt in a mold, there solidifies, after which a piston blank of the
  • Casting mold can be removed and finished. Finishing is usually to be seen in that by machining, such. Turning or milling, the piston blank is made to measure and other elements (such as annular grooves, bolt holes, inlet and outlet openings for a cooling channel in the piston) and the like are introduced. Thereafter, the finished piston is available and can be installed in the internal combustion engine.
  • Finishing is usually to be seen in that by machining, such. Turning or milling, the piston blank is made to measure and other elements (such as annular grooves, bolt holes, inlet and outlet openings for a cooling channel in the piston) and the like are introduced. Thereafter, the finished piston is available and can be installed in the internal combustion engine.
  • the invention thus relates to a method for producing a piston in which a piston blank made of an aluminum-silicon alloy is cast.
  • a piston blank made of an aluminum-silicon alloy is cast.
  • copper shares this alloy the strength of the finished piston under consideration of the conditions during its operation in the cylinder chamber of the internal combustion engine are not yet satisfactory.
  • a motorized sliding combination of an aluminum-based alloy is known from DE 10 2005 047 037 A1.
  • the invention is therefore based on the object to provide an improved method for producing a piston of an internal combustion engine, wherein a piston produced by this method significantly improved
  • the copper content amounts to a maximum of 5.5% of the aluminum-silicon alloy and that proportions of titanium, zirconium, chromium or vanadium are added to the aluminum-silicon alloy and the sum of all components (including possible impurities) is 100%.
  • the use of such a piston alloy has the advantage that thus high vibration strengths of the finished piston in the cylinder chamber of the internal combustion engine at high temperatures, i. under full load, as well as at medium temperatures, i. at partial load of the internal combustion engine, let achieve.
  • Another advantage is the fact that the components of the piston alloy can be assembled easily, which is a key advantage in the mass production of pistons.
  • the aluminum-silicon alloy phosphorus is added. This has the advantage that the Kornfeinungs bin is improved and adjusts a better flowability. These properties in particular show their optimum effect in interaction with the other proportions in the piston alloy when the phosphorus content is 40-80 ppm.
  • beryllium vanadium is added to the piston alloy. This addition of beryllium vanadium advantageously reduces the formation of oxides, especially on the surface of the piston blank or of the finished piston.
  • the cobalt alloy TitanBor is added. Also this addition of TitanBor improves the grain refining effect (ie by substance entry the number of germs in the casting melt is increased) KS Kolbenschmidt GmbH, 74172 Neckarsulm
  • the finished piston is alfiniert, wherein the material for Alfinieren BerylliumVanadium is added.
  • the addition of beryllium vanadium in the alfin material improves its adhesion to the surface of the piston and moreover advantageously reduces the slurry history.
  • the inventive method for producing the piston using the claimed piston alloy offers a comparison with known casting process piston higher vibration resistance, which is increased by at least 15% over the previously known fatigue strength, measured at room temperature and at 350 0 C. This results in a higher load capacity of the piston during operation of the internal combustion engine, accompanied by a significant reduction in weight. Also, higher material hardness can be achieved, which advantageously eliminates the elimination of the previously performed heat treatment (solution annealing) of the cast piston blank or the finished machined piston.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un piston pour un moteur à combustion interne. Le procédé consiste à couler une ébauche de piston composée d'un alliage d'aluminium-silicium, en ajoutant du cuivre, puis à réaliser la finition. Selon l'invention, la fraction de cuivre maximale est de 5,5% de l'alliage d'aluminium-silicium et des fractions de titane (Ti), de zirconium (Zr), de chrome (Cr) ou de vanadium (V) sont ajoutées à l'alliage d'aluminium-silicium.
EP09778312A 2008-09-05 2009-09-03 Procédé de fabrication d'un piston pour un moteur à combustion interne composé d'un alliage d'aluminium-silicium évolué Withdrawn EP2318560A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008045800 2008-09-05
PCT/EP2009/006393 WO2010025919A2 (fr) 2008-09-05 2009-09-03 Procédé de fabrication d'un piston pour un moteur à combustion interne composé d'un alliage d'aluminium-silicium évolué

Publications (1)

Publication Number Publication Date
EP2318560A2 true EP2318560A2 (fr) 2011-05-11

Family

ID=41435264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09778312A Withdrawn EP2318560A2 (fr) 2008-09-05 2009-09-03 Procédé de fabrication d'un piston pour un moteur à combustion interne composé d'un alliage d'aluminium-silicium évolué

Country Status (5)

Country Link
EP (1) EP2318560A2 (fr)
JP (1) JP2012502176A (fr)
CN (1) CN102177266A (fr)
DE (1) DE102009039838A1 (fr)
WO (1) WO2010025919A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5288112B2 (ja) * 2008-09-30 2013-09-11 スズキ株式会社 内燃機関用アルミニウム合金製ピストン
US20130000482A1 (en) * 2010-10-22 2013-01-03 GM Global Technology Operations LLC Sand Casting An Aluminum Diesel Piston With An As-Cast, Reentrant Combustion Bowl For Light Or Medium Duty Diesel Engines
CN102212726A (zh) * 2011-04-29 2011-10-12 于建华 高性能活塞制造材料
WO2012171552A1 (fr) * 2011-06-14 2012-12-20 Federal-Mogul Nürnberg GmbH Piston pour moteur à combustion interne, procédé de fabrication d'un piston et utilisation d'un alliage pour la coulée d'un piston
CN102181758B (zh) * 2011-06-17 2013-05-15 重庆协成汽车零部件有限公司 铸造铝合金及其制备方法
CN102676889B (zh) * 2012-05-17 2014-01-08 天津立中合金集团有限公司 一种高性能车用发动机共晶铝硅合金活塞材料
DE102012220765A1 (de) 2012-11-14 2014-05-15 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils, Motorbauteil und Verwendung einer Aluminiumlegierung
CN102974775B (zh) * 2012-12-18 2014-11-26 贵州航天风华精密设备有限公司 一种铝合金轴承环的浇铸方法
DE102014209102A1 (de) 2014-05-14 2015-11-19 Federal-Mogul Nürnberg GmbH Verfahren zur Herstellung eines Motorbauteils, Motorbauteil und Verwendung einer Aluminiumlegierung
CN109735748B (zh) * 2019-01-31 2021-04-16 中国兵器科学研究院宁波分院 一种耐热铸造铝合金活塞材料及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3378342B2 (ja) * 1994-03-16 2003-02-17 日本軽金属株式会社 耐摩耗性に優れたアルミニウム鋳造合金及びその製造方法
JPH1112674A (ja) * 1997-06-30 1999-01-19 Aisin Seiki Co Ltd 内燃機関ピストン用アルミニウム合金およびアルミニウム合金製ピストン
US6127046A (en) * 1997-12-04 2000-10-03 Cummins Engine Company, Inc. Formation of a graphite-free surface in a ferrous material to produce an improved intermetallic bond
US7682469B2 (en) * 2002-07-22 2010-03-23 Kabushiki Kaisha Toyota Chuo Kenkyusho Piston made of aluminum cast alloy and method of manufacturing the same
DE10315232A1 (de) * 2003-04-03 2004-10-28 Federal-Mogul Nürnberg GmbH Kolben für einen Verbrennungsmotor und Verfahren zur Herstellung eines Kolbens
JP4341438B2 (ja) * 2004-03-23 2009-10-07 日本軽金属株式会社 耐摩耗性に優れたアルミニウム合金及び同合金を用いた摺動部材
DE102005047037A1 (de) 2005-09-30 2007-04-19 BAM Bundesanstalt für Materialforschung und -prüfung Motorische Gleitpaarung aus einer Aluminiumbasislegierung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010025919A2 *

Also Published As

Publication number Publication date
DE102009039838A1 (de) 2010-04-29
WO2010025919A3 (fr) 2010-06-17
WO2010025919A2 (fr) 2010-03-11
JP2012502176A (ja) 2012-01-26
CN102177266A (zh) 2011-09-07

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