DE3719121A1 - Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines - Google Patents

Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines

Info

Publication number
DE3719121A1
DE3719121A1 DE19873719121 DE3719121A DE3719121A1 DE 3719121 A1 DE3719121 A1 DE 3719121A1 DE 19873719121 DE19873719121 DE 19873719121 DE 3719121 A DE3719121 A DE 3719121A DE 3719121 A1 DE3719121 A1 DE 3719121A1
Authority
DE
Germany
Prior art keywords
fibre
piston
preform
aluminium
reinforced
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Withdrawn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
DE19873719121
Other languages
German (de)
Inventor
Hans-Juergen Koehnert
Frank Dr Jaehn
Karlheinz Bing
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.)
Mahle GmbH
Original Assignee
Mahle 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 Mahle GmbH filed Critical Mahle GmbH
Priority to DE19873719121 priority Critical patent/DE3719121A1/en
Publication of DE3719121A1 publication Critical patent/DE3719121A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0009—Cylinders, pistons
    • B22D19/0027—Cylinders, pistons pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
    • 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 
    • F02F3/0015—Multi-part pistons
    • F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/04—Forging of engine parts
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/06—Casting
    • 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
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • 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
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/04—Composite, e.g. fibre-reinforced
    • 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
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/16—Fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

Fibre-reinforced areas in aluminium pistons are known. Local reinforcements are achieved by inserting previously prepared fibre bundles in a defined position in a casting mould and pouring an aluminium melt over them. The aluminium melt is then forced under pressure into the cavities of the fibre bundle. In the case of reinforced areas produced in this way, the fibre material does not extend quite as far as the outer surface but is covered at the outer surface at least by a thin film of aluminium. The disadvantage of the fibre-free covering layer at the surface is that it is possible for cracks that penetrate into the workpiece to start there. In order to avoid such fibre-free covering layers, a fibre-reinforced preform (1) is produced in which the fibre material is exposed to the outside at one surface (2). The preform is then converted by subsequent forging to the shape of a piston (4) in which the superficial fibre area (2) comes to lie at the inner wall of the piston (4), between the boss and the head. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines Aluminiumkolbens mit durch Fasern in der Länge zwischen 0,01 und 0,5 mm verstärkten Bereichen für Verbrennungsmotoren.The invention relates to a method for manufacturing an aluminum piston with fibers in length between 0.01 and 0.5 mm reinforced areas for Internal combustion engines.

Es ist bekannt, lediglich Teilbereiche eines Alumini­ umkolbens mit Fasern zu verstärken.It is known that only partial areas of an aluminum to reinforce the piston with fibers.

Beispiele hierfür zeigen u.a. DE-PS 79 73 202, DE-OS 20 18 653, DE-PS 27 01 421 oder EP 01 78 046 A1.Examples include: DE-PS 79 73 202, DE-OS 20 18 653, DE-PS 27 01 421 or EP 01 78 046 A1.

Bei diesem bekannten Stand der Technik werden die Kolben jeweils durch Gießen oder Flüssigpressen er­ zeugt, wobei die Faserverstärkungen jeweils in der Gießform direkt an derjenigen Stelle einbracht sind, an der sie in dem fertigen Kolben zu liegen kommen sollen. Bezüglich der meisten an einem Kolben in der Regel zu verstärkenden Bereiche, wie z.B. Verstärkun­ gen im Boden- bzw. Brennraummuldenbereich oder im Ringnutenbereich lassen sich auf diese Weise auch hervorragende Ergebnisse erzielen. In this known prior art Pistons each by pouring or liquid pressing testifies, the fiber reinforcements in each case Casting mold is inserted directly at that point, where they come to rest in the finished piston should. Regarding most on a piston in the Areas to be reinforced, e.g. Reinforcement conditions in the floor or combustion chamber trough area or in Ring groove areas can also be in this way achieve excellent results.  

Nicht der Fall ist dies jedoch, wenn der Verstär­ kungsbereich den Innenwandbereich des Kolbens zwi­ schen Nabenbohrung und Boden des Kolbens erfassen soll und zwar in der Art, daß er ohne werkstoffabtra­ gende Bearbeitung homogen bis in die Oberfläche des Bereiches hineinragen soll.However, this is not the case if the amplifier kungsbereich the inner wall area of the piston between the hub bore and the bottom of the piston should be in such a way that he without material processing homogeneously down to the surface of the Area should protrude.

Dann besteht insbesondere in den Fällen, in denen das Faserverstärkungsmaterial in Form eines vorgepreßten porösen Teiles an der zu verstärkenden Stelle in die Gießform eingelegt und anschließend mit dem Kolben­ grundmaterial ausgefüllt wird, das Problem, daß das die Poren ausfüllende Grundmaterial an der den Innen­ wandbereich des Kolbens bildenden Fläche eine - wenn auch meist recht dünne - faserfreie Deckschicht bil­ det. Dies liegt daran, daß eine absolut dichte Anlage des Fasereinlageteils an die Gießform in der Praxis zumindest mit wirtschaftlich vertretbarem Aufwand in der Regel nicht möglich ist. Die faserfreie Deck­ schicht führt jedoch dazu, daß an dieser nicht ver­ stärkten Oberfläche Risse entstehen können, die sich dann aufgrund der von ihnen ausgehenden Kerbwirkung auch relativ leicht in den verstärkten Bereich aus­ dehnen können.Then there is especially in cases where the Fiber reinforcement material in the form of a pre-pressed porous part at the point to be reinforced in the Mold inserted and then with the piston basic material is filled in, the problem that the the pore-filling base material on the inside wall area of the piston forming surface - if usually also quite thin - fiber-free top layer bil det. This is because an absolutely dense plant of the fiber insert part to the mold in practice at least with economically justifiable effort in usually not possible. The fiber-free deck However, layer leads to this not ver strengthened surface cracks that can develop then due to the notch effect they emanate also relatively easily in the reinforced area can stretch.

Hiervon ausgehend liegt der Erfindung die Aufgabe zu­ grunde, ein Verfahren zu schaffen, mit dem es möglich ist, bereichsweise Faserverstärkungen durch Einlegen von porösen Faserformteilen in die Kolbengießform und anschließendes Ausfüllen der Poren während eines Flüssigpreßvorganges zu realisieren ohne eine werk­ stoffabtragende Nachbearbeitung durchführen zu müs­ sen.Proceeding from this, the object of the invention reasons to create a process that makes it possible is, fiber reinforcements by inserting in some areas of porous fiber molded parts in the piston mold and subsequent filling of the pores during a Realize liquid pressing process without a plant  to carry out material-removing postprocessing sen.

Gelöst wird diese Aufgabe durch das Verfahren nach den kennzeichnenden Merkmalen des Anspruchs 1.This task is solved by the procedure the characterizing features of claim 1.

Nähere Einzelheiten dieses Verfahrens sind anhand des in der Zeichnung dargestellten Ausführungsbeispieles erläutert.Further details of this procedure are based on the embodiment shown in the drawing explained.

Es zeigenShow it

Fig. 1 einen Schnitt durch den bearbeiteten Kolben-Vorformling, Fig. 1 shows a section through the processed piston preform,

Fig. 2 einen Schnitt durch den Vorformling eingelegt in das die Kolbenfertigform erzeugende Preßwerkzeug, Fig. 2 is inserted a section through the preform in the blow mold producing the piston pressing tool,

Fig. 3 eine erste Umformphase des Vorformlings in dem Preßwerkzeug, Fig. 3 shows a first forming phase of the preform in the press tool,

Fig. 4 den fertigen Kolben im Schnitt in per­ spektivischer Darstellung Fig. 4 shows the finished piston in section in a perspective view

Es wird zunächst ein Vorformling 1 in einer Gesenk­ form hergestellt, indem ein vorgefertigtes Faserpaket in die Gesenkform eingelegt und mit flüssigem Alumi­ nium übergossen und mit diesem durchtränkt wird, in­ dem ein in die Gesenkform einfahrender Stempel auf das Metall bis zur vollendeten Erstarrung einen Druck von mindestens 30 MPa aufbringt. Der so entstandene Vorformling ist poren- und lunkerfrei.First, a preform 1 is produced in a die form by inserting a prefabricated fiber package into the die form and pouring liquid aluminum over it and soaking it, in which a stamp entering the die form exerts a pressure on the metal until solidification is complete applies at least 30 MPa. The resulting preform is free of pores and voids.

Anschließend wird auf einer Seite bei dem Vorformling 1 oberflächlich so viel Material abgetragen, daß in einem Oberflächenbereich 2 Fasern des Faserpaktes nach außen frei liegen.Subsequently, so much material is superficially removed on one side of the preform 1 that 2 fibers of the fiber pact are exposed to the outside in a surface area.

Dieser so vorbereitete Vorformling 1 wird nunmehr ei­ nem Schmiedeprozeß unterzogen. In diesem Schmiedepro­ zeß drückt ein Preßstempel 3 auf den Oberflächenbe­ reich 2, in dem die Fasern bis in die Oberfläche des Vorformlings hinein reichen und formt den Vorformling 1 zu einem Kolben 4 derart um, daß durch den ständi­ gen Kontakt des Preßstempels 3 mit dem faserverstärk­ ten Materialbereich die Bildung einer faserfreien Deckschicht im Innenwandbereich des Kolbens 4 vermie­ den wird. Die Lage und die Form des Faserpaketes 5 im Vorformling bestimmen im fertig geschmiedeten Kolben 4 die Verstärkungsbereiche.This preform 1 thus prepared is now subjected to a forging process. In this Schmiedepro presses a press ram 3 on the surface area 2 , in which the fibers reach into the surface of the preform and forms the preform 1 into a piston 4 in such a way that through the constant contact of the ram 3 with the fiber reinforcement th material area the formation of a fiber-free cover layer in the inner wall area of the piston 4 is avoided. The position and the shape of the fiber bundle 5 in the preform determine the reinforcement areas in the forged piston 4 .

Während in dem Ausführungsbeispiel der Kolben 4 aus­ schließlich in dem Bereich 6 zwischen Nabe und Boden verstärkt ist, können weitere Verstärkungsbereiche im Bereich der Ringnuten oder an der dem Brennraum zuge­ wandten Bodenfläche des Kolbens angebracht sein. Wichtig ist nur, daß der Kolben in seinem Schaftbe­ reich und im Bereich der Nabenbohrungsinnenfläche kein Fasermaterial enthält.While in the exemplary embodiment the piston 4 is finally reinforced in the region 6 between the hub and the base, further reinforcement regions can be attached in the region of the annular grooves or on the bottom surface of the piston facing the combustion chamber. It is only important that the piston is rich in its shaft and contains no fiber material in the area of the inner hub bore.

Das paketartig vorgeformte Fasermaterial können anor­ ganische, keramische bzw. mineralische Fasern oder Whisker aus Aluminiumoxid, Siliziumcarbid oder -ni­ tride mit einem Faserdurchmesser zwischen 0,1 bis 0,5 Mymeter und einer Faserlänge von 10 bis 500 Mymeter bei einem Durchmesser/Längenverhältnis 1:10 bis 1:100 sein.The preformed fiber material can be anor  ganic, ceramic or mineral fibers or Whiskers made of aluminum oxide, silicon carbide or ni tride with a fiber diameter between 0.1 to 0.5 Mymeter and a fiber length of 10 to 500 Mymeter with a diameter / length ratio of 1:10 to 1: 100 be.

Der Anteil der Fasern, die willkürlich in dem Faser­ paket angeordnet sind, liegt zwischen größer 0 und 50 Vol-%.The percentage of fibers that are arbitrary in the fiber arranged in a package is between greater than 0 and 50 Vol%.

Claims (1)

Verfahren zur Herstellung eines Aluminiumkolbens mit durch Fasern in der Länge zwischen 70 und 500 Mymeter und einem Durchmesser zwischen 0,7 bis 5 Mymeter ver­ stärkten Bereichen, gekennzeichnet durch die Merkmale:
  • a) es wird ein Vorformling (1) hergestellt, bei dem mindestens ein Teilbereich faserver­ stärkt ist,
  • b) von dem Vorformling (1) wird derart Material abgetragen, daß zumindest in einem Oberflä­ chenbereich (2) Fasermaterial nach außen frei liegt,
  • c) beim Umformen des Vorformlings (1) in die Fertigform kommt der Oberflächenbereich (2) bzw. kommen die Oberflächenbereiche (2), in dem bzw. in denen das Fasermaterial nach au­ ßen frei liegt, zumindest an der Oberfläche des Innenwandbereiches (6) des Kolbens (4) zwischen Nabenbohrung und Boden des Kolbens zu liegen,
  • d) außerhalb jenes Innenwandbereiches (6) be­ finden sich zumindest an der Schaftaußenflä­ che sowie in der Nabenbohrungsmantelfläche von Verstärkungsfasern freie Bereiche.
Process for producing an aluminum piston with areas reinforced by fibers with a length of between 70 and 500 mm and a diameter between 0.7 and 5 mm, characterized by the features:
  • a) a preform ( 1 ) is produced in which at least a portion is fiber-reinforced,
  • b) material is removed from the preform ( 1 ) such that fiber material is exposed to the outside at least in a surface area ( 2 ),
  • c) when the preform ( 1 ) is formed into the finished form, the surface area ( 2 ) or the surface areas ( 2 ) in which or in which the fiber material is exposed to the outside come, at least on the surface of the inner wall area ( 6 ) of the piston ( 4 ) to lie between the hub bore and the bottom of the piston,
  • d) outside of that inner wall area ( 6 ) be at least on the outer surface Schaf as well as in the hub bore outer surface of reinforcing fibers free areas.
DE19873719121 1987-06-06 1987-06-06 Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines Withdrawn DE3719121A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873719121 DE3719121A1 (en) 1987-06-06 1987-06-06 Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873719121 DE3719121A1 (en) 1987-06-06 1987-06-06 Method for the production of an aluminium piston with fibre-reinforced areas for internal combustion engines

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DE3719121A1 true DE3719121A1 (en) 1988-12-15

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011948A1 (en) * 1990-04-12 1991-10-17 Alcan Gmbh COMPOSITE CASTING PROCESS
DE4112693A1 (en) * 1990-04-27 1991-11-07 Tokai Carbon Kk Mfr. of locally reinforced aluminium alloy composite material - by mixing silicon carbide whiskers with alloy powder, sintering then partially coating with thin aluminium film etc.
EP0796687A2 (en) * 1996-03-20 1997-09-24 Perkins Limited A method for producing a piston for an internal combustion engine and a piston produced by the method
EP0809050A1 (en) * 1996-05-20 1997-11-26 Yamaha Hatsudoki Kabushiki Kaisha Piston for an internal combustion engine and method of making a piston
US5972071A (en) * 1997-07-17 1999-10-26 Yamaha Hatsudoki Kabushiki Kaisha Aluminum alloy for piston and method for producing piston
US6032570A (en) * 1998-04-10 2000-03-07 Yamaha Hatsudoki Kabushiki Kaisha Composite piston for machine
US6205836B1 (en) 1998-07-09 2001-03-27 Yamaha Hatsudoki Kabushiki Kaisha Method for manufacturing piston by forging and forging die
US6240827B1 (en) 1997-04-10 2001-06-05 Yamaha Hatsudoki Kabushiki Kaisha Composite piston for reciprocating machine
US6363608B1 (en) 1997-04-10 2002-04-02 Yamaha Hatsudoki Kabushiki Kaisha Method of manufacturing piston
WO2002049790A1 (en) * 2000-12-21 2002-06-27 Jury Alexandrovich Tsyrulnik Method for producing pistons for internal combustion engines
DE102005029103B3 (en) * 2005-06-23 2007-01-04 Federal-Mogul Nürnberg GmbH Piston for combustion engine and method for its production, comprise reinforcing fibers created by drawing
DE102007052498A1 (en) * 2007-11-02 2009-05-07 Mahle International Gmbh Manufacturing forged piston for internal combustion engine with piston shaft and piston head, comprises inserting holder for insert parts into a casting mold, fixing the insert part in the holder by retaining means, and casting a cast part

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209408B (en) * 1958-06-09 1966-01-20 Alusuisse Process for the production of composite workpieces consisting of compact aluminum and sintered aluminum
DE2018653A1 (en) * 1970-04-18 1971-11-04 Karl Schmidt Gmbh, 7107 Neckarsulm Light alloy pistons
DE1913202C3 (en) * 1968-03-15 1974-03-07 Associated Engineering Ltd., Leamington Spa, Warwickshire (Grossbritannien) Piston and process for its manufacture
DE2701421C2 (en) * 1976-01-16 1982-12-02 Honda Giken Kogyo K.K., Tokyo Process for the production of fiber-reinforced components
EP0108281A2 (en) * 1982-10-13 1984-05-16 Toyota Jidosha Kabushiki Kaisha Silicon carbide whisker composite material with low non whisker particle content and method of manufacture thereof
GB2149057A (en) * 1983-10-26 1985-06-05 Ae Plc Non-uniform reinforced cast pistons
US4548126A (en) * 1981-11-30 1985-10-22 Toyota Jidosha Kabushiki Kaisha Piston with local inorganic fiber reinforcement and method of making the same
DE3430056C1 (en) * 1984-08-16 1986-01-16 Mahle Gmbh, 7000 Stuttgart Plunger with fiber-reinforced combustion chamber bowl for internal combustion engines
EP0178046A1 (en) * 1984-08-13 1986-04-16 Ae Plc Aluminium or aluminium alloy reinforced by zirconia and process for the manufacture of this material
GB2173570A (en) * 1985-04-04 1986-10-15 Ae Plc Fibre-reinforced metal pistons
US4679493A (en) * 1984-05-01 1987-07-14 Ae Plc Reinforced pistons

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209408B (en) * 1958-06-09 1966-01-20 Alusuisse Process for the production of composite workpieces consisting of compact aluminum and sintered aluminum
DE1913202C3 (en) * 1968-03-15 1974-03-07 Associated Engineering Ltd., Leamington Spa, Warwickshire (Grossbritannien) Piston and process for its manufacture
DE2018653A1 (en) * 1970-04-18 1971-11-04 Karl Schmidt Gmbh, 7107 Neckarsulm Light alloy pistons
DE2701421C2 (en) * 1976-01-16 1982-12-02 Honda Giken Kogyo K.K., Tokyo Process for the production of fiber-reinforced components
US4548126A (en) * 1981-11-30 1985-10-22 Toyota Jidosha Kabushiki Kaisha Piston with local inorganic fiber reinforcement and method of making the same
EP0108281A2 (en) * 1982-10-13 1984-05-16 Toyota Jidosha Kabushiki Kaisha Silicon carbide whisker composite material with low non whisker particle content and method of manufacture thereof
GB2149057A (en) * 1983-10-26 1985-06-05 Ae Plc Non-uniform reinforced cast pistons
US4679493A (en) * 1984-05-01 1987-07-14 Ae Plc Reinforced pistons
EP0178046A1 (en) * 1984-08-13 1986-04-16 Ae Plc Aluminium or aluminium alloy reinforced by zirconia and process for the manufacture of this material
DE3430056C1 (en) * 1984-08-16 1986-01-16 Mahle Gmbh, 7000 Stuttgart Plunger with fiber-reinforced combustion chamber bowl for internal combustion engines
GB2173570A (en) * 1985-04-04 1986-10-15 Ae Plc Fibre-reinforced metal pistons

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
DE-Z: ATZ Automobiltechnische Zeitschrift 84, 198212, S.624 *
DE-Z: MTZ Motoren Zeitschrift 47, 1986, 3, S.88 *
JP 60 2 22 664 A. In: Patents Abstracts of Japan, Sect.M, vol.10 (1986) No.83, (M-466) *
JP 61 1 44 468 A. In: Patents Abstracts of Japan, Sect.M, Vol.10 (1986) Nr.346, (M-537) *
US-Z: Machine Design, Okt. 1986, H.23, S.34-35 *
US-Z: Manufacturing Engineering, Mai 1987, H.5, S.61-62 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011948A1 (en) * 1990-04-12 1991-10-17 Alcan Gmbh COMPOSITE CASTING PROCESS
DE4112693A1 (en) * 1990-04-27 1991-11-07 Tokai Carbon Kk Mfr. of locally reinforced aluminium alloy composite material - by mixing silicon carbide whiskers with alloy powder, sintering then partially coating with thin aluminium film etc.
EP0796687A2 (en) * 1996-03-20 1997-09-24 Perkins Limited A method for producing a piston for an internal combustion engine and a piston produced by the method
EP0796687A3 (en) * 1996-03-20 1998-11-11 Perkins Limited A method for producing a piston for an internal combustion engine and a piston produced by the method
CN1076995C (en) * 1996-03-20 2002-01-02 珀金斯发动机有限公司 Method for producing piston for internal combustion engine and piston produced by method
US6209446B1 (en) 1996-05-20 2001-04-03 Yamaha Hatsudoki Kabushiki Kaisha Piston for internal combustion engine and process of making same
EP0809050A1 (en) * 1996-05-20 1997-11-26 Yamaha Hatsudoki Kabushiki Kaisha Piston for an internal combustion engine and method of making a piston
US5992015A (en) * 1996-05-20 1999-11-30 Yamaha Hatsudoki Kabushiki Kaisha Process for forming composite piston
US6363608B1 (en) 1997-04-10 2002-04-02 Yamaha Hatsudoki Kabushiki Kaisha Method of manufacturing piston
US6240827B1 (en) 1997-04-10 2001-06-05 Yamaha Hatsudoki Kabushiki Kaisha Composite piston for reciprocating machine
US5972071A (en) * 1997-07-17 1999-10-26 Yamaha Hatsudoki Kabushiki Kaisha Aluminum alloy for piston and method for producing piston
US6032570A (en) * 1998-04-10 2000-03-07 Yamaha Hatsudoki Kabushiki Kaisha Composite piston for machine
US6205836B1 (en) 1998-07-09 2001-03-27 Yamaha Hatsudoki Kabushiki Kaisha Method for manufacturing piston by forging and forging die
WO2002049790A1 (en) * 2000-12-21 2002-06-27 Jury Alexandrovich Tsyrulnik Method for producing pistons for internal combustion engines
DE102005029103B3 (en) * 2005-06-23 2007-01-04 Federal-Mogul Nürnberg GmbH Piston for combustion engine and method for its production, comprise reinforcing fibers created by drawing
DE102007052498A1 (en) * 2007-11-02 2009-05-07 Mahle International Gmbh Manufacturing forged piston for internal combustion engine with piston shaft and piston head, comprises inserting holder for insert parts into a casting mold, fixing the insert part in the holder by retaining means, and casting a cast part

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