US20150291904A1 - Sliding member - Google Patents

Sliding member Download PDF

Info

Publication number
US20150291904A1
US20150291904A1 US14/372,934 US201314372934A US2015291904A1 US 20150291904 A1 US20150291904 A1 US 20150291904A1 US 201314372934 A US201314372934 A US 201314372934A US 2015291904 A1 US2015291904 A1 US 2015291904A1
Authority
US
United States
Prior art keywords
overlay layer
sliding member
base
layer
seizure resistance
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.)
Abandoned
Application number
US14/372,934
Other languages
English (en)
Inventor
Mikihito YASUI
Hiroyuki Asakura
Shigeya Haneda
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.)
Daido Metal Co Ltd
Original Assignee
Daido Metal Co Ltd
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 Daido Metal Co Ltd filed Critical Daido Metal Co Ltd
Assigned to DAIDO METAL COMPANY LTD. reassignment DAIDO METAL COMPANY LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ASAKURA, HIROYUKI, HANEDA, SHIGEYA, YASUI, MIKIHITO
Publication of US20150291904A1 publication Critical patent/US20150291904A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/04—Metals; Alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/018—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of a noble metal or a noble metal alloy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • 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
    • F16C33/122—Multilayer structures of sleeves, washers or liners
    • F16C33/124—Details of overlays
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/022—Sliding-contact bearings for exclusively rotary movement for radial load only with a pair of essentially semicircular bearing sleeves
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/02—Noble metals
    • F16C2204/04—Noble metals based on silver
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/20—Alloys based on aluminium
    • 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
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods

Definitions

  • the present invention relates to a sliding member.
  • a sliding member of a slide bearing for an internal-combustion engine etc. comprises an overlay layer on a sliding-side surface of a base such as a steel back plate.
  • a base such as a steel back plate.
  • an overlay layer which comprises Ag as a main component and to which In, Sn, Bi, or the like is added, in order to obtain sliding characteristics to the same degree as those of a sliding member containing Pb, while avoiding the use of Pb (Patent Literature 1).
  • an object of the present invention is to provide a sliding member having high seizure resistance even when an Ag-based overlay layer is used.
  • the sliding member according to claim 1 comprises: a base; and an Ag-based overlay layer disposed on a sliding-side surface of the base and comprising Al.
  • the sliding member according to claim 2 comprises: a base; and an Ag-based overlay layer disposed on a sliding-side surface of the base and comprising Al, the overlay layer further comprising at least one of Sn and Zn.
  • the Ag-based overlay layer is relatively soft. Therefore, the Ag-based overlay layer can ensure high seizure resistance even when the use of Pb is avoided. Moreover, the overlay layer comprising Ag has excellent thermal conductivity. Therefore, the frictional heat generated at a sliding part is rapidly dissipated to the base side.
  • the present inventors have found that the addition of Al to an Ag-based overlay layer does not cause significant reduction in the thermal conductivity of the overlay layer. That is, the addition of In, Sn, Bi, or the like to an Ag-based overlay layer has been known as a prior art. However, In, Sn, and Bi as additive elements have small thermal conductivity, and they have a problem of disturbing rapid dissipation to the base side of the heat generated in the sliding part with a mating member.
  • Al in the present invention has a relatively large thermal conductivity and facilitates the function of an Ag-based overlay layer, that is, rapid heat dissipation to the base side by the high thermal conductivity. Therefore, the sliding member of the present invention can achieve high seizure resistance even when an Ag-based overlay layer is used, and it can endure even in the use under severer conditions.
  • the Ag-based overlay layer of the present invention may comprise not only Al but also at least one of Sn and Zn as an additive element.
  • the essence of the present invention is in that an Ag-based overlay layer comprising Al is provided. Therefore, the present invention does not eliminate that an additive element other than Al and unavoidable impurities are contained in the overlay layer.
  • the overlay layer comprises 0.1% by mass to 15% by mass of Al.
  • the original thermal conductivity of Ag is exhibited as the proportion of Ag increases, and the heat dissipation from the overlay layer to the base side is facilitated.
  • the thermal conductivity of the overlay layer comes close to the thermal conductivity of Al from the original thermal conductivity of Ag.
  • the upper limit of Al is 15% by mass.
  • FIG. 1 is a schematic sectional view of a sliding member according to an embodiment.
  • FIG. 2 is a schematic view showing the test results of a sliding member according to an embodiment.
  • FIG. 3 is a schematic view showing the conditions of the seizure resistance test of a sliding member according to an embodiment.
  • FIG. 4 is a schematic view showing a sample used for the seizure resistance test of a sliding member according to an embodiment.
  • a sliding member 10 comprises a base 11 and an overlay layer 12 .
  • the base 11 has a back plate layer 13 and a Cu-based or Al-based bearing alloy layer 14 .
  • the back plate layer 13 is formed from steel.
  • the base 11 is a so-called bimetal comprising the steel back plate layer 13 and the Cu-based or Al-based bearing alloy layer 14 .
  • the base 11 formed from the back plate layer 13 and the bearing alloy layer 14 is shaped into a semicylindrical or cylindrical shape.
  • the surface of the shaped base 11 on the side of the bearing alloy layer 14 is subjected to surface machining such as boring.
  • the surface of the base 11 subjected to surface machining is washed by electrolytic degreasing and with acid.
  • an Ag-based overlay layer 12 made of an Ag—Al alloy is formed thereon by sputtering or the like.
  • the overlay layer 12 can also be formed by plating Ag on a layer made of Al and by forming an Ag—Al alloy comprising Ag as a main component utilizing diffusion.
  • the diffusing capacity and distribution of Al in the overlay layer 12 can be controlled by temperature and time.
  • one or two or more intermediate layers may be disposed between the base 11 and the overlay layers 12 .
  • the overlay layer 12 is formed by sputtering using a magnetron sputtering system (not shown).
  • a specific example for forming the overlay layer 12 will be described using the sliding member 10 of sample 1, which is an Example shown in FIG. 2 .
  • sample 1 a base 11 after washing consisting of bimetal is mounted on a base mounting part of a magnetron sputtering system.
  • Ag and Al serving as the materials for the overlay layer 12 are mounted on a target mounting part of the magnetron sputtering system as targets.
  • the chamber of the magnetron sputtering system is decompressed to 1.0 ⁇ 10 ⁇ 6 Torr and adjusted to 2.0 ⁇ 10 ⁇ 3 Torr by supplying Ar gas.
  • the surface of the base 11 is cleaned with Ar gas.
  • a bias voltage of 1000 V is applied to the surface of the base 11 .
  • voltage is applied to each target so that a current of 8 A to 14 A may flow into Ag as a target and a current of 0.5 A to 6 A may flow into Al as a target.
  • the bias voltage between the base 11 and the targets is set between 100 V and 200 V. According to these procedures, Ag and Al serving as targets are sputtered by the collision of Ar ions and form a film on the surface on the side of the bearing alloy layer 14 of the base 11 .
  • the test conditions of the shim biting test are shown in FIG. 3 .
  • a test sample is prepared by attaching a metal shim 15 having a size of 2 mm ⁇ 2 mm ⁇ t to the outer circumferential surface of each of the sliding members 10 of samples 1 to 16 as Examples and samples 17 to 20 as Comparative Examples, as shown in FIG. 4 .
  • the thickness t of the shim 15 is set to 10 ⁇ m.
  • the thickness t of the shim 15 can be set from about 10 ⁇ m to 30 ⁇ m depending on the conditions of the test.
  • the test sample of the sliding member 10 is installed in a rotational load tester which is a seizure tester (not shown).
  • the shim 15 is attached to the test sample of the sliding member 10 .
  • a portion corresponding to the shim 15 on the test sample of the sliding member 10 projects to the inner circumferential side depending on the thickness of the shim 15 .
  • This projected portion generates heat by contacting with the test shaft of the seizure tester. Therefore, the amount of heat generated by the contact of the test sample of the sliding member 10 with the test shaft is increased by increasing the load applied to the test sample of the sliding member 10 in contact with the test shaft.
  • the lower the thermal conductivity of the overlay layer 12 in the test sample of the sliding member 10 is, the more easily seizure will be occurred on the overlay layer 12 at an early stage.
  • the load applied to the test sample of the sliding member 10 is increased by 5 MPa every 10 minutes. Then, when the back temperature of the test sample of the sliding member 10 exceeds 200° C., or when a slide occurs in a shaft drive belt of the seizure tester by the variation of torque applied to the seizure tester, it is determined that seizure has been occurred in the test sample of the sliding member 10 .
  • Samples 1 to 16 are Examples in which Al is added to the Ag-based overlay layer 12 .
  • the seizure resistances of these Examples have improved as compared with samples 17 to 20 as Comparative Examples. That is, samples 1 to 16 as Examples have better seizure resistance by adding Al to the Ag-based overlay layer 12 than sample 17 in which the overlay layer 12 comprises only Ag. This is probably because conformability is improved by adding Al that is softer than Ag, thereby improving seizure resistance.
  • samples 1 to 16 as Examples have better seizure resistance than sample 18 in which Sn is added to the Ag-based overlay layer 12 without adding Al, sample 19 in which In is added similarly, and sample 20 in which Bi is added similarly.
  • the seizure resistances of samples 1 to 16 have been improved probably because the thermal conductivity of the overlay layer thereof is larger than that of samples 18, 19, and 20.
  • the seizure resistance of sample 5 as an Example is better than that of sample 4, and the seizure resistance of sample 8 is better than that of sample 9.
  • the seizure resistance of sample 11 is better than that of samples 12 and 13.
  • samples 4, 9, 12, and 13 in which an element other than Al is added to the overlay layer 12 have a lower seizure resistance than a sample in which substantially only Al is added and the content of Al in the overlay layer 12 is about the same. Consequently, it has been found that although seizure resistance can be ensured even if an element other than Al is added to the overlay layer 12 , the addition of an element other than Al is not advantageous to seizure resistance.
  • a conformable layer may further be disposed on the sliding-side surface of the Ag-based overlay layer 12 .
  • a further layer such as a conformable layer is preferably a layer comprising, for example, Bi or a Bi alloy.
  • a sliding member of an embodiment in which a conformable layer is disposed also has excellent seizure resistance and, in particular, had excellent initial conformability.
  • the sliding member 10 of an embodiment in which a conformable layer is disposed was naturally able to exhibit high seizure resistance even if the conformable layer was worn out to expose the Ag-based overlay layer 12 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
US14/372,934 2012-01-18 2013-01-15 Sliding member Abandoned US20150291904A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-007969 2012-01-18
JP2012007969A JP2013148137A (ja) 2012-01-18 2012-01-18 摺動部材
PCT/JP2013/050538 WO2013108741A1 (ja) 2012-01-18 2013-01-15 摺動部材

Publications (1)

Publication Number Publication Date
US20150291904A1 true US20150291904A1 (en) 2015-10-15

Family

ID=48799166

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/372,934 Abandoned US20150291904A1 (en) 2012-01-18 2013-01-15 Sliding member

Country Status (6)

Country Link
US (1) US20150291904A1 (ja)
JP (1) JP2013148137A (ja)
KR (1) KR20140112518A (ja)
DE (2) DE112013000605T5 (ja)
GB (1) GB2528483A (ja)
WO (1) WO2013108741A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110191974A (zh) * 2017-01-23 2019-08-30 米巴滑动轴承奥地利有限公司 用于制造多层滑动轴承元件的方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539246A (en) * 1944-10-07 1951-01-23 Mallory & Co Inc P R Method of making aluminum clad steel
US3235316A (en) * 1963-04-22 1966-02-15 Hughes Tool Co Journal bearing with alternating surface areas of wear resistant and antigalling materials
US3741016A (en) * 1970-01-16 1973-06-26 Hofmann Maschf Geb Machine for balancing motor vehicle wheels
US6348114B1 (en) * 1996-03-14 2002-02-19 Taiho Kogyo Co., Ltd. Copper alloy and sliding bearing having improved seizure resistance
US6544616B2 (en) * 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US20080113223A1 (en) * 2000-07-21 2008-05-15 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US20110034354A1 (en) * 2008-04-07 2011-02-10 Miba Gleitlager Gmbh Sliding bearing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3657742B2 (ja) * 1996-06-10 2005-06-08 大豊工業株式会社 耐焼付性にすぐれたすべり軸受
JP3570607B2 (ja) * 1998-03-13 2004-09-29 トヨタ自動車株式会社 摺動部材

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539246A (en) * 1944-10-07 1951-01-23 Mallory & Co Inc P R Method of making aluminum clad steel
US3235316A (en) * 1963-04-22 1966-02-15 Hughes Tool Co Journal bearing with alternating surface areas of wear resistant and antigalling materials
US3741016A (en) * 1970-01-16 1973-06-26 Hofmann Maschf Geb Machine for balancing motor vehicle wheels
US6348114B1 (en) * 1996-03-14 2002-02-19 Taiho Kogyo Co., Ltd. Copper alloy and sliding bearing having improved seizure resistance
US6544616B2 (en) * 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US20080113223A1 (en) * 2000-07-21 2008-05-15 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US20110034354A1 (en) * 2008-04-07 2011-02-10 Miba Gleitlager Gmbh Sliding bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110191974A (zh) * 2017-01-23 2019-08-30 米巴滑动轴承奥地利有限公司 用于制造多层滑动轴承元件的方法
US11286552B2 (en) 2017-01-23 2022-03-29 Miba Gleitlager Austria Gmbh Method for producing a multi-layer plain bearing element

Also Published As

Publication number Publication date
WO2013108741A1 (ja) 2013-07-25
JP2013148137A (ja) 2013-08-01
GB2528483A (en) 2016-01-27
KR20140112518A (ko) 2014-09-23
DE202013012215U1 (de) 2015-09-02
DE112013000605T5 (de) 2014-10-23

Similar Documents

Publication Publication Date Title
US6334914B2 (en) Copper alloy sliding material
US6652675B2 (en) Copper alloy sliding material
KR100762084B1 (ko) 동 또는 동합금 타겟트/동합금 백킹 플레이트 조립체
US20070082825A1 (en) Plain bearing
US20100266444A1 (en) Pb-FREE COPPER ALLOY SLIDING MATERIAL
GB2270927A (en) Bearings
KR20060121942A (ko) Ｐｂ 를 함유하지 않은 구리 합금 접동 재료
JP3570607B2 (ja) 摺動部材
GB2483790A (en) Slide member with Ni-based intermediate and Sn-based overlay layers
US7638721B2 (en) Contact surfaces for electrical contacts
GB2263950A (en) Bearings.
US7153591B2 (en) Sliding member
US9523387B2 (en) Bearing linings
WO2008074439A1 (en) Sliding bearing
US20150291904A1 (en) Sliding member
GB2485719A (en) Sliding bearing
JP2002310158A (ja) 複層摺動材料
JP2004277787A (ja) 摺動部材
WO1996015382A1 (en) Composite sliding contact bearing
US10982714B2 (en) Plain bearing and method
US6740426B2 (en) Sliding member with composite plating film
GB2514889A (en) Slide member and method of manufacturing slide member
JP4136056B2 (ja) すべり軸受
KR20230050226A (ko) 슬라이딩 베어링 및 그 제조 방법
US5051316A (en) Overlay alloy or plain bearing

Legal Events

Date Code Title Description
AS Assignment

Owner name: DAIDO METAL COMPANY LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YASUI, MIKIHITO;ASAKURA, HIROYUKI;HANEDA, SHIGEYA;REEL/FRAME:033336/0151

Effective date: 20140509

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION