CN114213941A - High-performance antifriction and wear-resistant coating for piston skirt and preparation method thereof - Google Patents
High-performance antifriction and wear-resistant coating for piston skirt and preparation method thereof Download PDFInfo
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- CN114213941A CN114213941A CN202111125162.4A CN202111125162A CN114213941A CN 114213941 A CN114213941 A CN 114213941A CN 202111125162 A CN202111125162 A CN 202111125162A CN 114213941 A CN114213941 A CN 114213941A
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- 238000000576 coating method Methods 0.000 title claims abstract description 37
- 239000011248 coating agent Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 42
- 239000011812 mixed powder Substances 0.000 claims description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 239000004593 Epoxy Substances 0.000 claims description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 14
- 239000002134 carbon nanofiber Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 12
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 9
- 239000004917 carbon fiber Substances 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000011858 nanopowder Substances 0.000 claims description 3
- 230000003606 oligomerizing effect Effects 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 238000009775 high-speed stirring Methods 0.000 claims description 2
- 230000033444 hydroxylation Effects 0.000 claims description 2
- 238000005805 hydroxylation reaction Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910021392 nanocarbon Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 238000006011 modification reaction Methods 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052961 molybdenite Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000001170 unmyelinated nerve fiber Anatomy 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a high-performance antifriction wear-resistant coating for a piston skirt and a preparation method thereof, which are suitable for wear-resistant antifriction coatings of piston skirts of various internal combustion engines, can effectively improve the wear-resistant antifriction performance of the surface of the piston skirt, reduce the loss caused by friction between the piston skirt and a cylinder body under normal working conditions, prolong the service life of the coating for the piston, and save the maintenance cost.
Description
Technical Field
The invention belongs to the technical field of pistons, and relates to a high-performance antifriction wear-resistant coating for a piston skirt and a preparation method thereof, which are suitable for wear-resistant antifriction coatings of piston skirts of various internal combustion engines, can effectively improve the wear-resistant antifriction performance of the surface of the piston skirt, reduce the loss caused by friction between the piston skirt and a cylinder body under normal working conditions, prolong the service life of the coating for the piston, and save the maintenance cost.
Background
The materials generally used for the wear-resistant and anti-friction coating of the skirt part of the piston at present are mainly mixtures of self-lubricating materials such as graphite and the like and some high polymer materials, and are only simply mixed together, and do not relate to surface modification of the self-lubricating materials again, and a special material is not adopted to enhance the overall wear resistance of the coating, so certain defects exist.
In the wear-resistant antifriction coating, a powder modifier is selected to modify the surface of the powder so that the powder can react with a high molecular polymer, so that the surface of the mixed powder is organized, the powder can uniformly and stably exist in the coating, and the wear resistance of the coating can be improved to a certain extent; on the other hand, the nano carbon fiber is added into the coating, the nano carbon fiber can achieve the same reinforcing effect as continuous carbon fiber, the physical and chemical connection with a resin matrix is improved, the performance of pure resin including strength and modulus can be improved through the nano carbon fiber subjected to surface treatment, and the nano carbon fiber can just react with a high molecular polymer containing modified powder, so that the wear resistance of the coating is enhanced on the other hand.
The nano functional paint is a new paint capable of providing several special functions. Due to the special performance of the nano material, after the inorganic nano particles are added into the coating, the transparency of the coating is ensured, the wear resistance of the coating can be greatly improved, the temperature resistance, the oxidation resistance and other performances of the material can be obviously improved, and the application prospect is very wide.
Disclosure of Invention
1. The utility model provides a piston skirt portion high performance antifriction wear-resisting coating which characterized in that: mixing nano carbon fiber, nano molybdenum disulfide powder and nano tungsten disulfide powder according to a certain proportion to obtain mixed powder, carrying out hydroxylation treatment on the mixed powder, then carrying out surface modification on the mixed powder by using an epoxy silane coupling agent to obtain modified powder, mixing the modified powder with a binding agent and an organic solvent, and finally carrying out high-speed stirring to obtain the high-performance antifriction wear-resistant coating for the skirt part of the piston; wherein the carbon nanofiber has an outer diameter of 7-15nm and a length of 5-15 μm, the nano molybdenum disulfide powder has a diameter of 25-40nm, and the nano tungsten disulfide powder has a diameter of 20-45 nm; the epoxy silane coupling agent is one or two of 3-glycidoxypropyltrimethoxysilane (KH560), gamma-methacryloxypropyltrimethoxysilane (KH570) and aminopropyltriethoxysilane (KH 550); the binding agent is epoxy resin E-20 and polyamide-imide, and the volume ratio is 5: 2, the organic solvent is acetone, N-methyl pyrrolidone and methacrylic acid in a volume ratio of 2: 1: 1 in proportion; the carbon fiber in the coating can form a wear-resistant layer with a binding agent, the film forming integrity in the coating process of the coating is enhanced, the nano molybdenum disulfide powder and the nano tungsten disulfide powder play a role in reducing friction in the coating, the binding agent can enhance the binding strength with the skirt part of the aluminum alloy piston, and the dynamic viscosity range of the coating is 24000-32000mPa & s.
2. A preparation method of a piston skirt high-performance antifriction wear-resistant coating is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) placing carbon nanofibers, nano molybdenum disulfide powder and nano tungsten disulfide powder in a powder mixer for sufficient mixing to obtain mixed powder, wherein the content of the nano molybdenum disulfide powder is as follows: 55-60%, and the content of the nano tungsten disulfide is as follows: 30-35 percent of carbon nanofiber, and the balance of carbon nanofiber;
(2) adding the mixed powder into a mixed solution prepared by water and ethanol in a volume ratio of 2: 1, and performing ultrasonic dispersion for 30min to hydroxylate the surface of the powder to obtain a solution containing hydroxylated mixed powder;
(3) hydrolyzing an epoxy silane coupling agent, mixing the epoxy silane coupling agent, ethanol and deionized water according to the volume ratio of 3:2:5, adjusting the pH value of the solution to 3.5-4.5 by using 1% nitric acid, and reacting for 30min at 35 ℃ to obtain a hydrolyzed epoxy silane coupling agent solution;
(4) mixing the solution containing the hydroxylated mixed powder with the hydrolyzed epoxy silane coupling agent solution, placing the mixture in a water bath kettle at 70 ℃ for stirring, and reacting silanol in the epoxy silane coupling agent with hydroxyl on the surface of the hydroxylated mixed powder to form hydrogen bonds and condense the hydrogen bonds into-SiO-M covalent bonds, wherein M represents any one of the mixed powders; simultaneously, mutually associating and oligomerizing silanol in the epoxy silane coupling agent to form a film with a network structure to cover the surface of the mixed powder, organizing the surface of the mixed powder, placing the solution in an evaporation pan after reacting for 2 hours, drying at high temperature, grinding and sieving to obtain modified powder;
(5) adding the modified powder into a binding agent and an organic solvent according to a volume ratio of 2: 3, wherein each liter of the mixed solution contains 100g of modified powder; stirring at the speed of 600-.
Drawings
FIG. 1 is a drawing of a paint and its components in the present invention, wherein a is a drawing of a finished paint; b. paint composition diagram
FIG. 2 is a diagram of modified powder of the present invention, wherein a, modified nano-WS2Structure of the powder; b. modified nano MoS2Structure of the powder; c. structure of modified nano C fiber powder
FIG. 3 is a reaction scheme showing hydrolysis and powder modification of epoxy silane coupling agent in the present invention, wherein, a, modified nanometer WS2A powder modification reaction formula; b. modified nano MoS2Powder modification reaction formula; c. modified nano carbon fiber powder modification reaction type
FIG. 4 is a view showing the internal structure of the coating layer in the present invention
Detailed Description
The embodiments of the invention are described in further detail below with reference to the following figures and specific examples: high-performance antifriction and wear-resistant coating for certain type of piston skirt
(1) Placing carbon nanofibers, molybdenum disulfide nanopowder and tungsten disulfide nanopowder in a powder mixer for thorough mixing, wherein the carbon nanofibers have an outer diameter of 10nm and a length of 8 μm, and the other two powder diameters are respectively 25nm and 30nm, to obtain mixed powder, wherein the content of the molybdenum disulfide nanopowder is as follows: 55-60%, and the content of the nano tungsten disulfide is as follows: 30-35 percent of carbon nanofiber, and the balance of carbon nanofiber;
(2) adding the mixed powder into a mixed solution prepared by water and ethanol in a volume ratio of 2: 1, and performing ultrasonic dispersion for 30min to hydroxylate the surface of the powder to obtain a solution containing hydroxylated mixed powder;
(3) selecting 3-glycidoxypropyltrimethoxysilane (KH560) to modify the mixed powder, hydrolyzing KH560 with ethanol and water as mixed solvent, wherein KH560, ethanol and deionized water are mixed at volume ratio of 3:2:5, and 1% by weight is usedHNO3Adjusting the pH value of the solution to 4, and reacting at 35 ℃ for 30min to obtain the hydrolyzed KH560 solution.
(4) Mixing the solution containing the hydroxylated mixed powder with the hydrolyzed KH560 solution, and stirring the mixture in a water bath at 70 ℃, wherein silanol in KH560 reacts with hydroxyl on the surface of the hydroxylated mixed powder to form hydrogen bonds and condense into-SiO-M covalent bonds, wherein M represents any one of the mixed powders; simultaneously, mutually associating and oligomerizing silanol in the epoxy silane coupling agent to form a film with a network structure to cover the surface of the mixed powder, organizing the surface of the mixed powder, placing the solution in an evaporating dish after reacting for 2 hours, drying at high temperature, grinding and sieving to obtain modified powder;
(5) adding the modified powder into a mixed solution prepared by a bonding agent and an organic solvent according to the volume ratio of 2: 3, wherein the bonding agent is epoxy resin E-20, polyamide-imide according to the volume ratio of 5: 2, the organic solvent is acetone, N-methyl pyrrolidone and methacrylic acid in a volume ratio of 2: 1: 1, each liter of mixed solution contains 100g of modified powder; and finally obtaining the piston skirt high-performance antifriction wear-resistant coating by adopting a high-speed stirrer at the speed of 800r/min for more than 3 hours at the temperature of 30 ℃.
Claims (2)
1. The utility model provides a piston skirt portion high performance antifriction wear-resisting coating which characterized in that: mixing carbon nanofibers, molybdenum disulfide nanopowder and tungsten disulfide nanopowder according to a certain proportion to obtain mixed powder, carrying out hydroxylation treatment on the mixed powder, then carrying out surface modification on the mixed powder by using an epoxy silane coupling agent to obtain modified powder, mixing the modified powder with a binding agent and an organic solvent, and finally carrying out high-speed stirring to obtain the high-performance antifriction wear-resistant coating for the skirt part of the piston; wherein the carbon nanofiber has an outer diameter of 7-15nm and a length of 5-15 μm, the nano molybdenum disulfide powder has a diameter of 25-40nm, and the nano tungsten disulfide powder has a diameter of 20-45 nm; the epoxy silane coupling agent is one or two of 3-glycidoxypropyltrimethoxysilane (KH560), gamma-methacryloxypropyltrimethoxysilane (KH570) and aminopropyltriethoxysilane (KH 550); the binding agent is epoxy resin E-20 and polyamide-imide, and the volume ratio is 5: 2, the organic solvent is acetone, N-methyl pyrrolidone and methacrylic acid in a volume ratio of 2: 1: 1 in proportion; the carbon fiber in the coating can form a wear-resistant layer with a binding agent, the film forming integrity in the coating process of the coating is enhanced, the nano molybdenum disulfide powder and the nano tungsten disulfide powder play a role in reducing friction in the coating, the binding agent can enhance the binding strength with the skirt part of the aluminum alloy piston, and the dynamic viscosity range of the coating is 24000-plus-32000 mPa & s.
2. A preparation method of a piston skirt high-performance antifriction wear-resistant coating is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) placing carbon nanofibers, nano molybdenum disulfide powder and nano tungsten disulfide powder in a powder mixer for fully mixing to obtain mixed powder, wherein the content of the nano molybdenum disulfide powder is as follows: 55-60%, and the content of the nano tungsten disulfide is as follows: 30-35 percent of carbon nanofiber, and the balance of carbon nanofiber;
(2) adding the mixed powder into a mixed solution prepared by water and ethanol in a volume ratio of 2: 1, and performing ultrasonic dispersion for 30min to hydroxylate the surface of the powder to obtain a solution containing hydroxylated mixed powder;
(3) hydrolyzing an epoxy silane coupling agent, mixing the epoxy silane coupling agent, ethanol and deionized water according to the volume ratio of 3:2:5, adjusting the pH value of the solution to 3.5-4.5 by using 1% nitric acid, and reacting for 30min at 35 ℃ to obtain a hydrolyzed epoxy silane coupling agent solution;
(4) mixing the solution containing the hydroxylated mixed powder with the hydrolyzed epoxy silane coupling agent solution, placing the mixture in a water bath kettle at 70 ℃ for stirring, and reacting silanol in the epoxy silane coupling agent with hydroxyl on the surface of the hydroxylated mixed powder to form hydrogen bonds and condense the hydrogen bonds into-SiO-M covalent bonds, wherein M represents any one of the mixed powders; simultaneously, mutually associating and oligomerizing silanol in the epoxy silane coupling agent to form a film with a network structure to cover the surface of the mixed powder, organizing the surface of the mixed powder, placing the solution in an evaporating dish after reacting for 2 hours, drying at high temperature, grinding and sieving to obtain modified powder;
(5) adding the modified powder into a binding agent and an organic solvent according to a volume ratio of 2: 3, wherein each liter of the mixed solution contains 100g of modified powder; stirring for more than 3 hours at the temperature of 30 ℃ by adopting a high-speed stirrer at the speed of 600-1200r/min to finally obtain the piston skirt high-performance antifriction wear-resistant coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111125162.4A CN114213941A (en) | 2021-09-24 | 2021-09-24 | High-performance antifriction and wear-resistant coating for piston skirt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111125162.4A CN114213941A (en) | 2021-09-24 | 2021-09-24 | High-performance antifriction and wear-resistant coating for piston skirt and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816518A (en) * | 2012-09-06 | 2012-12-12 | 山东滨州渤海活塞股份有限公司 | Carbon-carbon composite nano-base wear-resistant coating material |
| JP2013209960A (en) * | 2012-03-30 | 2013-10-10 | Sumico Lubricant Co Ltd | Resin composition for forming lubricating coating |
| CN106336778A (en) * | 2016-09-01 | 2017-01-18 | 宁波群力紧固件制造有限公司 | Wear-resisting blade stud |
| CN110066595A (en) * | 2019-03-22 | 2019-07-30 | 嘉兴科联信新材料有限公司 | A kind of modified polyimide lubrication application composition, solid lubricant coating and its application |
| CN112143541A (en) * | 2020-10-12 | 2020-12-29 | 湘潭大学 | Molybdenum disulfide and tungsten disulfide mixed nano lubricating oil additive and application thereof |
-
2021
- 2021-09-24 CN CN202111125162.4A patent/CN114213941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013209960A (en) * | 2012-03-30 | 2013-10-10 | Sumico Lubricant Co Ltd | Resin composition for forming lubricating coating |
| CN102816518A (en) * | 2012-09-06 | 2012-12-12 | 山东滨州渤海活塞股份有限公司 | Carbon-carbon composite nano-base wear-resistant coating material |
| CN106336778A (en) * | 2016-09-01 | 2017-01-18 | 宁波群力紧固件制造有限公司 | Wear-resisting blade stud |
| CN110066595A (en) * | 2019-03-22 | 2019-07-30 | 嘉兴科联信新材料有限公司 | A kind of modified polyimide lubrication application composition, solid lubricant coating and its application |
| CN112143541A (en) * | 2020-10-12 | 2020-12-29 | 湘潭大学 | Molybdenum disulfide and tungsten disulfide mixed nano lubricating oil additive and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 艾光华，冶金工业出版社 * |
| 薛茹君 等: "《无机纳米材料的表面修饰改性与物性研究》", 31 October 2009, 合肥工业大学出版社 * |
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