JP6821790B2 - 複層摺動部材及びその製造方法 - Google Patents
複層摺動部材及びその製造方法 Download PDFInfo
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- JP6821790B2 JP6821790B2 JP2019506240A JP2019506240A JP6821790B2 JP 6821790 B2 JP6821790 B2 JP 6821790B2 JP 2019506240 A JP2019506240 A JP 2019506240A JP 2019506240 A JP2019506240 A JP 2019506240A JP 6821790 B2 JP6821790 B2 JP 6821790B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims description 90
- 229910052751 metal Inorganic materials 0.000 claims description 81
- 239000002184 metal Substances 0.000 claims description 81
- 239000011247 coating layer Substances 0.000 claims description 62
- 239000011159 matrix material Substances 0.000 claims description 48
- 229920001721 polyimide Polymers 0.000 claims description 45
- 239000009719 polyimide resin Substances 0.000 claims description 44
- 229920001187 thermosetting polymer Polymers 0.000 claims description 35
- 239000011812 mixed powder Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 31
- 239000002904 solvent Substances 0.000 claims description 30
- 239000003208 petroleum Substances 0.000 claims description 25
- 239000000654 additive Substances 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 229910019142 PO4 Inorganic materials 0.000 claims description 14
- 239000010452 phosphate Substances 0.000 claims description 14
- 239000010419 fine particle Substances 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010304 firing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 claims 2
- 239000004642 Polyimide Substances 0.000 claims 1
- 238000004898 kneading Methods 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 69
- 239000004810 polytetrafluoroethylene Substances 0.000 description 69
- 239000000463 material Substances 0.000 description 21
- 230000013011 mating Effects 0.000 description 18
- 239000002245 particle Substances 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000000945 filler Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000003746 surface roughness Effects 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 7
- 238000011049 filling Methods 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- JUNWLZAGQLJVLR-UHFFFAOYSA-J calcium diphosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])([O-])=O JUNWLZAGQLJVLR-UHFFFAOYSA-J 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical group OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920006361 Polyflon Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 2
- 229940043256 calcium pyrophosphate Drugs 0.000 description 2
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical group OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- RHJYKEDKMHDZBL-UHFFFAOYSA-L metaphosphoric acid (hpo3), magnesium salt Chemical compound [Mg+2].[O-]P(=O)=O.[O-]P(=O)=O RHJYKEDKMHDZBL-UHFFFAOYSA-L 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229940005657 pyrophosphoric acid Drugs 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000790 scattering method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- ROPDWRCJTIRLTR-UHFFFAOYSA-L calcium metaphosphate Chemical compound [Ca+2].[O-]P(=O)=O.[O-]P(=O)=O ROPDWRCJTIRLTR-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- MHJAJDCZWVHCPF-UHFFFAOYSA-L dimagnesium phosphate Chemical compound [Mg+2].OP([O-])([O-])=O MHJAJDCZWVHCPF-UHFFFAOYSA-L 0.000 description 1
- 229910000395 dimagnesium phosphate Inorganic materials 0.000 description 1
- XZTWHWHGBBCSMX-UHFFFAOYSA-J dimagnesium;phosphonato phosphate Chemical compound [Mg+2].[Mg+2].[O-]P([O-])(=O)OP([O-])([O-])=O XZTWHWHGBBCSMX-UHFFFAOYSA-J 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- MRVHOJHOBHYHQL-UHFFFAOYSA-M lithium metaphosphate Chemical compound [Li+].[O-]P(=O)=O MRVHOJHOBHYHQL-UHFFFAOYSA-M 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- MVGWWCXDTHXKTR-UHFFFAOYSA-J tetralithium;phosphonato phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])([O-])=O MVGWWCXDTHXKTR-UHFFFAOYSA-J 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F3/26—Impregnating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
-
- 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
- C10M125/24—Compounds containing phosphorus, arsenic or antimony
-
- 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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/12—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/14—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds a condensation reaction being involved
- C10M149/18—Polyamides
-
- 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
-
- 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
- F16C33/20—Sliding surface consisting mainly of plastics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
- Laminated Bodies (AREA)
- Powder Metallurgy (AREA)
Description
試験方法:表1に記載の条件下で、図3に示すように、一辺が30mmの方形状の軸受試験片(複層摺動部材)21を試験台に固定し、相手材となる円筒体22から軸受試験片21の一方の面23に、当該面23に直交する方向Xの所定の荷重をかけながら、円筒体22を当該円筒体22の軸心24の周りで方向Yに回転させ、軸受試験片21と円筒体22の間の摩擦係数及び試験後の軸受試験片21の面23の摩耗量を測定した。摩擦係数については、試験を開始してから1時間経過以降、試験終了までの安定時の摩擦係数を示し、また摩耗量については、試験時間20時間後の摺動面の寸法変化量で示した。
滑り速度 3m/min
荷重 29.4MPa(300kgf/cm2)
試験時間 20時間
潤滑 無潤滑
相手材 機械構造用炭素鋼(S45C)
相手材表面粗さ Ra0.05、Ra0.15、Ra0.30、Ra0.50
<PTFE>
ダイキン工業社製の「ポリフロンF201(商品名)」
<付加型熱硬化性ポリイミド樹脂:平均粒径20μm>
(1)BANI−M 丸善石油化学社製のN,N’−4,4’−ジフェニルメタンビスアリルナジイミド
(2)BANI−X 丸善石油化学社製のN,N’−m−キシレンビスアリルナジイミド
<リン酸塩>
(1)ピロリン酸カルシウム
(2)メタリン酸マグネシウム
<黒鉛>
CB150 日本黒鉛社製の平均粒径40μmの天然黒鉛粉末
<裏金>
厚さ0.70mmの鋼板と、該鋼板の一方の表面に一体的に接合された厚さ0.25mmの青銅合金からなる多孔質金属焼結層とを含む裏金
PTFEの粉末と表2ないし表8に示される充填材とをヘンシェルミキサー内に供給して攪拌混合し、得られた混合粉末100質量部に対し石油系溶剤25質量部を配合してPTFEの室温転移点以下の温度(15℃)で混合し、湿潤性を付与した湿潤性付与混合粉末を得た。
PTFEの粉末と表8に示される充填材とをヘンシェルミキサー内に供給して攪拌混合し、得られた混合粉末100質量部に対し石油系溶剤25質量部を配合し、PTFEの室温転移点以下の温度(15℃)で混合し、湿潤性を付与した湿潤性付与混合粉末を得た。
2 裏金
3 表面
4 多孔質金属焼結層
5 孔隙
6 表面
7 被覆層
Claims (8)
- 裏金と、該裏金の一方の表面に一体的に接合された多孔質金属焼結層と、該多孔質金属焼結層の孔隙及び表面に充填被覆された被覆層とを含む複層摺動部材であって、被覆層は、四フッ化エチレン樹脂のマトリックス相と、1〜30質量%をもって四フッ化エチレン樹脂のマトリックス相に分散含有されたビスアリルナジイミド化合物からなる付加型熱硬化性ポリイミド樹脂とを含んでおり、
前記付加型熱硬化性ポリイミド樹脂は、0.2〜1.0μmの大きさの微粒子である複層摺動部材。 - ビスアリルナジイミド化合物は、N,N’−4,4’−ジフェニルメタンビスアリルナジイミドからなる請求項1に記載の複層摺動部材。
- ビスアリルナジイミド化合物は、N,N’−m−キシレンビスアリルナジイミドからなる請求項1に記載の複層摺動部材。
- 被覆層は、追加成分として、リン酸塩を1〜15質量%の割合で含有する請求項1から3のいずれか一項に記載の複層摺動部材。
- (1)裏金の一方の表面に多孔質金属焼結層を一体的に接合する工程と、
(2)ビスアリルナジイミド化合物からなる付加型熱硬化性ポリイミド樹脂の粉末1〜30質量%とマトリックス相となる残部四フッ化エチレン樹脂の粉末とを混合して得た混合粉末100質量部に対し石油系溶剤15〜30質量部を配合し、混練して湿潤性を付与した湿潤性付与混合粉末を作製する工程と、
(3)多孔質金属焼結層に当該湿潤性付与混合粉末を散布供給し、当該湿潤性付与混合粉末をローラで圧延して多孔質金属焼結層の孔隙に該湿潤性付与混合粉末を充填すると共に多孔質金属焼結層の表面に一様な厚さの該湿潤性付与混合粉末からなる被覆層を形成する工程と、
(4)前記(3)工程で得た多孔質金属焼結層の表面に該被覆層を備えた裏金を予め少なくとも250℃の温度に加熱された炉内で2〜3分間の短時間で急速に乾燥させて該被覆層から石油系溶剤を完全に揮発逸散させ、この石油系溶剤の完全な揮発逸散により、石油系溶剤の存在下で該マトリックス相中に拡散した付加型熱硬化性ポリイミド樹脂をマトリックス相中に残存させる工程と、
(5)当該付加型熱硬化性ポリイミド樹脂がマトリックス相中に分散含有されてなる被覆層を備えた裏金を所定の厚さになるように加圧下でローラ処理する工程と、
(6)前記(5)工程で処理された裏金を加熱焼成炉に導入して該被覆層を加熱焼成する工程とを具備している複層摺動部材の製造方法。 - ビスアリルナジイミド化合物は、N,N’−4,4’−ジフェニルメタンビスアリルナジイミドからなる請求項5に記載の複層摺動部材の製造方法。
- ビスアリルナジイミド化合物は、N,N’−m−キシレンビスアリルナジイミドからなる請求項5に記載の複層摺動部材の製造方法。
- 混合粉末は、追加成分として、リン酸塩粉末を1〜15質量%の割合で含有する請求項5から7のいずれか一項に記載の複層摺動部材の製造方法。
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