WO2001036696A1 - Galvanically deposited bearing alloy, galvanic bath and galvanic deposition method - Google Patents

Galvanically deposited bearing alloy, galvanic bath and galvanic deposition method Download PDF

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Publication number
WO2001036696A1
WO2001036696A1 PCT/EP2000/009620 EP0009620W WO0136696A1 WO 2001036696 A1 WO2001036696 A1 WO 2001036696A1 EP 0009620 W EP0009620 W EP 0009620W WO 0136696 A1 WO0136696 A1 WO 0136696A1
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Prior art keywords
weight
copper
tin
lead
alloy
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PCT/EP2000/009620
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German (de)
French (fr)
Inventor
Thomas Steffens
Werner Schubert
Bernhard Rehbock
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Ks Gleitlager Gmbh
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Publication of WO2001036696A1 publication Critical patent/WO2001036696A1/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C11/00—Alloys based on lead
    • C22C11/04—Alloys based on lead with copper as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C11/00—Alloys based on lead
    • C22C11/06—Alloys based on lead with tin as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/10—Bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials

Definitions

  • the invention relates to an electrodeposited bearing alloy based on lead, tin, copper, in particular for the production of sliding layers for sliding bearings.
  • Such an electrodeposited bearing alloy is known, for example, from DE 27 47 545 C2, which describes the use of a binary or ternary alloy made of 20% to 70% copper, 15% to 80% lead, 0% to 30% tin and 0% to 1% antimony, indium and / or cadmium for sliding layers is disclosed, the sliding layer being formed by electrochemical deposition of the alloy. It was found that the properties of fatigue strength, corrosion resistance and wear resistance can be improved by electrodeposition of the alloy components in a Pb, Sn, Cu alloy with a higher copper content (greater than 6%).
  • DE 27 22 144 AI already discloses a white metal bearing alloy based on lead, tin, copper, in particular for the production of sliding layers for multilayer sliding bearings, in which the lead-containing ternary alloy has the following composition: 10% to 20% tin, 6% to 10% copper, especially 14% tin, 8% copper, the rest lead.
  • the increase in life is due to the get increased copper content, so that the same problems arise.
  • antimony has a positive influence on the copper or tin deposition, so that copper is deposited in significantly higher concentrations than is present in the galvanic bath, tin being simultaneously deposited in a greatly reduced concentration compared to its concentration in the bath.
  • Antimony itself is also deposited in the layer in a significantly higher concentration than that present in the bath.
  • the alloy can contain less than 5% by weight of copper and 1 to 2.5% by weight of antimony. According to one embodiment, the alloy contains approximately 2% by weight of antimony.
  • Such an alloy should have a hardness (Vickers hardness) greater than 30 HV, in particular greater than 35 HV and in particular greater than 40 HV.
  • the invention further relates to a galvanic bath comprising lead, tin, copper, the galvanic bath comprising 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7% by weight of copper, 0.5 to 2 Wt .-% contains antimony.
  • the galvanic bath contains approximately 60 to 75% by weight of lead, 20 to 30% by weight of tin, 2 to 3% by weight of copper and approximately 0.8 to 1.5% by weight.
  • % Contains antimony.
  • a galvanic bath with a composition of approximately 69.7% by weight of lead, approximately 26.9% by weight of tin, approximately 2.4% by weight of copper and approximately 1% by weight of antimony can be particularly preferably used be provided.
  • the invention also relates to a method for the galvanic " deposition of a lead, tin, copper alloy on a bearing shell, the galvanic bath comprising approximately 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7 % By weight of copper and 0.5 to 2% by weight of antimony and the deposited bearing alloy has a composition of 3 to 15% by weight of tin, less than 6% by weight of copper, 0.5 to 2.5% by weight .-% antimony, the rest has lead.
  • the concentration in the galvanic bath of the composition corresponds to the later the G conductive layer forming alloy.
  • the first named galvanic sliding layer according to ISO 4383 has a Vickers hardness of 16 HV. The hardness can be increased to 27 HV by increasing the copper content in the second widely used alloy PbSn lOC u6.
  • the G conductive layer thus has a higher power upon. However, copper cementation already occurs at this copper content.
  • an inventive sliding layer as has been shown comparatively in the third column of the table, with a bath composition of 69.73% lead, 26.9% tin, 2.36% copper and 1.01% antimony has a composition of the galvanic Sliding layer of 90.14% lead, 4 , 24 % tin, 3.69% copper and 1.93% antimony and one Hardness of 41 HV.
  • This increase in hardness is caused by the favorable influence on the deposition of copper and tin (copper is present in a higher concentration than in the bath, tin is deposited in a lower concentration) by the antimony, which has hardness and fatigue resistance in the sliding layer due to its affinity for the other constituents affects the sliding layer.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention relates to a galvanically deposited lead, tin and copper-based bearing alloy, especially for producing sliding layers for sliding bearings and to a galvanic bath comprising lead, tin and copper. The invention also relates to a method for the deposition of a lead, tin and copper alloy onto a bearing shell.

Description

Titel: Galvanisch abgeschiedene Lagerlegierung, galvanisches Bad und Verfahren zum galvanischen AbscheidenTitle: Electroplated bearing alloy, electroplating bath and process for electroplating
Die Erfindung betrifft eine galvanisch abgeschiedene Lagerlegierung auf Blei-, Zinn-, Kupferbasis, insbesondere zur Herstellung von Gleitschichten für Gleitlager.The invention relates to an electrodeposited bearing alloy based on lead, tin, copper, in particular for the production of sliding layers for sliding bearings.
Eine derartige galvanisch abgeschiedene Lagerlegierung ist beispielsweise aus der DE 27 47 545 C2 bekannt, die die Verwendung einer binären bzw. ternären Legierung aus 20% bis 70% Kupfer, 15% bis 80% Blei, 0% bis 30% Zinn und 0% bis 1% Antimon, Indium und/oder Cadmium für Gleitschichten offenbart, wobei die Gleitschicht durch elektrochemisches Abscheiden der Legierung gebildet werden soll . Es wurde festgestellt, daß durch galvanische Abscheidung der Legierungsbestandteile bei einer Pb, Sn, Cu-Legierung mit höherem Kupfergehalt (größer 6%) die Eigenschaften Ermüdungsfestigkeit, Korrosionsfestigkeit und Verschleißfestigkeit verbessert werden können.Such an electrodeposited bearing alloy is known, for example, from DE 27 47 545 C2, which describes the use of a binary or ternary alloy made of 20% to 70% copper, 15% to 80% lead, 0% to 30% tin and 0% to 1% antimony, indium and / or cadmium for sliding layers is disclosed, the sliding layer being formed by electrochemical deposition of the alloy. It was found that the properties of fatigue strength, corrosion resistance and wear resistance can be improved by electrodeposition of the alloy components in a Pb, Sn, Cu alloy with a higher copper content (greater than 6%).
Jedoch führt .die Erhöhung des Kupfergehaltes über 6% Kupfer zu Problemen. Bei diesen hohen Kupfergehalten tritt "Kupferzementation" (selbständiges stromloses Abscheiden von Kupfer) auf .However, increasing the copper content above 6% copper causes problems. At these high copper contents, "copper cementation" (independent electroless deposition of copper) occurs.
Weiterhin ist aus der DE 27 22 144 AI bereits eine Weißmetall-Lagerlegierung auf Blei-, Zinn-, Kupferbasis, insbesondere zur Herstellung von Gleitschichten für Mehrschichtgleitlager, bekannt, bei der die bleihaltige ternäre Legierung folgende Zusammensetzung aufweist: 10% bis 20% Zinn, 6% bis 10% Kupfer, insbesondere 14% Zinn, 8% Kupfer, Rest Blei. Auch in der DE-27 22 144 AI wird die Erhöhung der Lebensdauer durch den erhöhten Kupfergehalt erhalten, so daß sich dieselben Probleme ergeben.Furthermore, DE 27 22 144 AI already discloses a white metal bearing alloy based on lead, tin, copper, in particular for the production of sliding layers for multilayer sliding bearings, in which the lead-containing ternary alloy has the following composition: 10% to 20% tin, 6% to 10% copper, especially 14% tin, 8% copper, the rest lead. In DE-27 22 144 AI, the increase in life is due to the get increased copper content, so that the same problems arise.
Aus beiden genannten Schriften war es bereits bekannt, der Legierung Antimon zuzusetzen, um die Lebensdauer zu erhöhen.It was already known from both documents to add antimony to the alloy in order to increase the service life.
Es ist daher Aufgabe der Erfindung, eine galvanisch abgeschiedene Lagerlegierung sowie ein galvanisches Bad und ein Verfahren zum galvanischen Abscheiden bereitzustellen, wobei die Legierung eine erhöhte Härte und damit eine höhere Belastbarkeit aufweist und gleichzeitig Kupferzementation vermeidet .It is therefore an object of the invention to provide an electrodeposited bearing alloy as well as an electrodeposition bath and a method for electrodeposition, the alloy having an increased hardness and thus a higher load capacity and at the same time avoiding copper cementation.
Gelöst wird diese Aufgabe durch eine Lagerlegierung auf Blei- , Zinn-, Kupferbasis mit 3 bis 15 Gew.-% Zinn, weniger als 6 Gew.-% Kupfer, 0,5 bis 3,0 Gew.-% Antimon, Rest Blei.This problem is solved by a lead, tin, copper-based bearing alloy with 3 to 15% by weight of tin, less than 6% by weight of copper, 0.5 to 3.0% by weight of antimony, the rest being lead.
Es ist der Verdienst der Erfindung festgestellt zu haben, daß durch Zugabe von Antimon in einer Gesamtmenge von 0,5 bis 3,0 Gew.-% zu einer Erhöhung der Härte und damit der Lebensdauer beiträgt, wobei der Kupfergehalt im Gegensatz zum Stand der Techik nicht erhöht werden muß.It is to the merit of the invention to have found that the addition of antimony in a total amount of 0.5 to 3.0% by weight contributes to an increase in the hardness and thus the service life, the copper content in contrast to the prior art does not have to be increased.
Darüber hinaus führt der Zusatz von Antimon zu einer positiven Beeinflussung der Kupfer- bzw. Zinnabscheidung, so daß Kupfer in deutlich höheren Konzentrationen abgeschieden wird als im galvanischen Bad vorhanden, wobei Zinn gleichzeitig in stark verringerter Konzentration gegenüber seiner Konzentration im Bad abgeschieden wird. Antimon selbst wird ebenfalls in erheblich höherer Konzentration als im Bad vorhanden in der Schicht abgeschieden.In addition, the addition of antimony has a positive influence on the copper or tin deposition, so that copper is deposited in significantly higher concentrations than is present in the galvanic bath, tin being simultaneously deposited in a greatly reduced concentration compared to its concentration in the bath. Antimony itself is also deposited in the layer in a significantly higher concentration than that present in the bath.
Durch den relativ geringen Kupfergehalt wird verhindert, daß Kupfer sich selbständig stromlos abscheidet. Insbesondere kann die Legierung weniger als 5 Gew.-% Kupfer und 1 bis 2,5 Gew.-% Antimon. Nach einem Ausführungsbeispiel enthält die Legierung ca. 2 Gew.-% Antimon.The relatively low copper content prevents copper from depositing itself without electricity. In particular, the alloy can contain less than 5% by weight of copper and 1 to 2.5% by weight of antimony. According to one embodiment, the alloy contains approximately 2% by weight of antimony.
Eine derartige Legierung soll eine Härte (Vickers-Härte) größer 30 HV, insbesondere größer 35 HV und insbesondere größer 40 HV, aufweisen.Such an alloy should have a hardness (Vickers hardness) greater than 30 HV, in particular greater than 35 HV and in particular greater than 40 HV.
Weiterhin betrifft die Erfindung ein galvanisches Bad umfassend Blei, Zinn, Kupfer, wobei das galvanische Bad 60 bis 90 Gew.-% Blei, 5 bis 30 Gew.-% Zinn, 2 bis 7 Gew.-% Kupfer, 0,5 bis 2 Gew.-% Antimon enthält.The invention further relates to a galvanic bath comprising lead, tin, copper, the galvanic bath comprising 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7% by weight of copper, 0.5 to 2 Wt .-% contains antimony.
Insbesondere kann vorgesehen sein, daß das galvanische Bad ca. 60 bis 75 Gew.-% Blei, 20 bis 30 Gew.-% Zinn, 2 bis 3 Gew.-% Kupfer und ca. 0,8 bis 1,5 Gew. -% Antimon enthält.In particular, it can be provided that the galvanic bath contains approximately 60 to 75% by weight of lead, 20 to 30% by weight of tin, 2 to 3% by weight of copper and approximately 0.8 to 1.5% by weight. % Contains antimony.
Besonders vorzugsweise kann ein galvanisches Bad mit einer Zusammensetzung ca. 69,7 Gew. -% Blei, ca. 26,9 Gew.-% Zinn, ca. 2,4 Gew.-% Kupfer und ca. 1 Gew.-% Antimon vorgesehen sein.A galvanic bath with a composition of approximately 69.7% by weight of lead, approximately 26.9% by weight of tin, approximately 2.4% by weight of copper and approximately 1% by weight of antimony can be particularly preferably used be provided.
Schließlich betrifft die Erfindung noch ein Verfahren zum galvanischen" Abscheiden einer Blei-, Zinn-, Kupferlegierung auf einer Lagerschale, wobei das galvanische Bad ca. 60 bis 90 Gew.-% Blei, 5 bis 30 Gew.-% Zinn, 2 bis 7 Gew.-% Kupfer und 0,5 bis 2 Gew.-% Antimon enthält und die abgeschiedene Lagerlegierung eine Zusammensetzung von 3 bis 15 Gew.-% Zinn, weniger als 6 Gew.-% Kupfer, 0,5 bis 2,5 Gew.-% Antimon, Rest Blei aufweist .Finally, the invention also relates to a method for the galvanic " deposition of a lead, tin, copper alloy on a bearing shell, the galvanic bath comprising approximately 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7 % By weight of copper and 0.5 to 2% by weight of antimony and the deposited bearing alloy has a composition of 3 to 15% by weight of tin, less than 6% by weight of copper, 0.5 to 2.5% by weight .-% antimony, the rest has lead.
Im folgenden soll die Erfindung anhand in nachstehender Tabelle dargestellter Versuchsergebnisse erläutert werden. WO 01/36696 PCT/EPO0/O962OIn the following, the invention will be explained with reference to the test results shown in the table below. WO 01/36696 PCT / EPO0 / O962O
Figure imgf000005_0001
Figure imgf000005_0001
So wurden zunächst Versuche, die in der Tabelle in der ersten Spalte dargestellt sind, mit einer genormten galvanischen Gleitschicht PbSnl0Cu2 bzw. mit einer seit langem bewährten und bekannten Gleitschicht PbSnlOCu6 mit erhöhtem Kupfergehalt, die in der zweiten Spalte dargestellt ist, durchgeführt . Bei diesen entspricht die Konzentration im galvanischen Bad der Zusammensetzung der späteren die Gleitschicht bildenden Legierung. Die erste genannte galvanische Gleitschicht gemäß ISO 4383 weist dabei eine Vickers-Härte von 16 HV auf. Durch die Erhöhung des Kupfergehaltes in der zweiten vielfach verwendeten Legierung PbSnlOCu6 kann die Härte auf 27 HV gesteigert werden. Die Gleitschicht weist damit eine höhere Belastbarkeit auf. Bei diesem Kupfergehalt tritt jedoch bereits Kupferzementation auf . S o were first tests, which are shown palte in the table in the first S, with a standardized galvanic G conductive layer PbSnl0Cu2 or with a time-tested and well-known anti-friction layer PbSnlOCu6 with increased copper content, which is shown in the second column is carried out. In these, the concentration in the galvanic bath of the composition corresponds to the later the G conductive layer forming alloy. The first named galvanic sliding layer according to ISO 4383 has a Vickers hardness of 16 HV. The hardness can be increased to 27 HV by increasing the copper content in the second widely used alloy PbSn lOC u6. The G conductive layer thus has a higher power upon. However, copper cementation already occurs at this copper content.
Demgegenüber weist eine erfinderische Gleitschicht, wie sie vergleichsweise in der dritten Spalte der Tabelle dargestellt worden ist, mit einer Badzusammensetzung von 69,73% Blei, 26,9% Zinn, 2,36% Kupfer und 1,01% Antimon eine Zusammensetzung der galvanischen Gleitschicht von 90,14% Blei, 4,24% Zinn, 3,69% Kupfer und 1,93% Antimon und eine Härte von 41 HV auf. Diese Härtesteigerung wird durch die günstige Beeinflussung der Ablagerung von Kupfer und Zinn (Kupfer wird mit höherer Konzentration als im Bad vorhanden, Zinn in geringerer Konzentration abgeschieden) durch das Antimon hervorgerufen, das in der Gleitschicht aufgrund seiner Affinität zu den übrigen Bestandteilen die Härte und Ermüdungsfestigkeit der Gleitschicht beeinflußt.In contrast, an inventive sliding layer, as has been shown comparatively in the third column of the table, with a bath composition of 69.73% lead, 26.9% tin, 2.36% copper and 1.01% antimony has a composition of the galvanic Sliding layer of 90.14% lead, 4 , 24 % tin, 3.69% copper and 1.93% antimony and one Hardness of 41 HV. This increase in hardness is caused by the favorable influence on the deposition of copper and tin (copper is present in a higher concentration than in the bath, tin is deposited in a lower concentration) by the antimony, which has hardness and fatigue resistance in the sliding layer due to its affinity for the other constituents affects the sliding layer.
Gleichzeitig tritt bei diesem geringen Kupfergehalten im Bad keine Kupferzementation auf. Trotzdem ist gleichzeitig die Härte und damit die Belastbarkeit, sogar deutlich gegenüber Legierungen mit höherem Kupfergehalt, erhöht. At the same time, with this low copper content in the bath, there is no copper cementation. Nevertheless, the hardness and thus the resilience is increased, even significantly compared to alloys with a higher copper content.

Claims

Patentansprücheclaims
Galvanisch abgeschiedene Lagerlegierung auf Blei-,Galvanically deposited bearing alloy on lead,
Zinn-, Kupferbasis, insbesondere zur Herstellung von Gleitschichten für Gleitlager, dadurch gekennzeichnet, daß die Legierung 3 bis 15 Gew.-% Zinn, weniger als 6Tin, copper base, in particular for the production of sliding layers for sliding bearings, characterized in that the alloy contains 3 to 15% by weight of tin, less than 6
Gew.-% Kupfer, 0,5 bis 3,0 Gew.-% Antimon, Rest% By weight copper, 0.5 to 3.0% by weight antimony, balance
Blei enthält .Contains lead.
Lagerlegierung nach Anspruch 1, dadurch gekennzeichnet, daß die Legierung 5 Gew.-% Kupfer oder weniger enthält .Bearing alloy according to claim 1, characterized in that the alloy contains 5 wt .-% copper or less.
Lagerlegierung nach Anspruch 1 oder 2 , dadurch gekennzeichnet, daß die Legierung ca. 1 bis 2,5 Gew.-% Antimon enthält.Bearing alloy according to claim 1 or 2, characterized in that the alloy contains approximately 1 to 2.5% by weight of antimony.
Lagerlegierung nach Anspruch 3 , dadurch gekennzeichnet, daß die Legierung ca. 2 Gew.-% Antimon enthält.Bearing alloy according to claim 3, characterized in that the alloy contains approximately 2% by weight of antimony.
Lagerlegierung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Legierung eine Härte größer 30 HV auf eist.Bearing alloy according to one of the preceding claims, characterized in that the alloy has a hardness greater than 30 HV.
Galvanisches Bad umfassend Blei, Zinn, Kupfer, dadurch gekennzeichnet, daß das galvanische Bad 60 bis 90 Gew.-% Blei, 5 bis 30 Gew.-% Zinn, 2 bis 7 Gew.-% Kupfer und 0,5 bis 2 Gew.-% Antimon enthältGalvanic bath comprising lead, tin, copper, characterized in that the galvanic bath contains 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7% by weight of copper and 0.5 to 2% by weight. -% contains antimony
Galvanisches Bad nach Anspruch 6, dadurch gekennzeichnet, daß das galvanische Bad ca. 60 bis 75 Gew.-% Blei, 20 bis 30 Gew.-% Zinn, 2 bis 3 Gew.-% Kupfer und ca. 0,8 bis 1,5 Gew.-% Antimon enthält .Galvanic bath according to Claim 6, characterized in that the galvanic bath contains approximately 60 to 75% by weight of lead, 20 to 30% by weight of tin, 2 to 3% by weight of copper and approximately 0.8 to 1, 5% by weight antimony contains.
8. Galvanisches Bad nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das galvanische Bad ca. 69,7 Gew.-% Blei, ca. 26,9 Gew.-% Zinn, ca. 2,4 Gew.-% Kupfer und ca. 1 Gew.-% Antimon enthält.8. Galvanic bath according to claim 6 or 7, characterized in that the galvanic bath about 69.7 wt .-% lead, about 26.9 wt .-% tin, about 2.4 wt .-% copper and contains about 1% by weight of antimony.
9. Verfahren zum galvanischen Abscheiden einer Blei- Zinn-, Kupfer-Legierung auf einer Lagerschale, dadurch gekennzeichnet, daß das galvanische Bad ca. 60 bis 90 Gew.-% Blei, 5 bis 30 Gew.-% Zinn, 2 bis 7 Gew.-% Kupfer und 0,5 bis 2 Gew.-% Antimon enthält und die Lagerlegierung mit einer Zusammensetzung von 3 bis 15 Gew.-% Zinn, weniger als 6 Gew.-% Kupfer, 0,5 bis 2,5 Gew.-% Antimon, Rest Blei galvanisch abgeschieden wird. 9. A method for the electrodeposition of a lead-tin, copper alloy on a bearing shell, characterized in that the galvanic bath is approximately 60 to 90% by weight of lead, 5 to 30% by weight of tin, 2 to 7% by weight .-% copper and 0.5 to 2 wt .-% antimony and the bearing alloy with a composition of 3 to 15 wt .-% tin, less than 6 wt .-% copper, 0.5 to 2.5 wt. -% antimony, the rest of the lead is electrodeposited.
PCT/EP2000/009620 1999-11-17 2000-09-30 Galvanically deposited bearing alloy, galvanic bath and galvanic deposition method WO2001036696A1 (en)

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DE19955297A DE19955297C1 (en) 1999-11-17 1999-11-17 Galvanically deposited bearing lead alloy contains alloying additions of tin, antimony and copper
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