CN1045466C - Nanometer metal micropowder wear-resistant lubricant - Google Patents
Nanometer metal micropowder wear-resistant lubricant Download PDFInfo
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- CN1045466C CN1045466C CN98102795A CN98102795A CN1045466C CN 1045466 C CN1045466 C CN 1045466C CN 98102795 A CN98102795 A CN 98102795A CN 98102795 A CN98102795 A CN 98102795A CN 1045466 C CN1045466 C CN 1045466C
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- micropowder
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Abstract
The present invention relates to an abrasion resistant lubricant of nanometer metal micropowder, which is prepared from nanometer metal micropowder and a solvent by certain technological conditions and production steps. Due to the fact that the nanometer metal micropowder has nanometer particles only containing scores to scores of thousands of atoms, the nanometer particles have the characteristics of low melting point and strong sintering performance in the state. The nanometer particles can have pressure bearing framework functions in lubrication oil. When friction is carried out, the nanometer particles of the nanometer metal micropowder can be partially penetrated into a metal surface, and a metal structure on a friction surface is directly improved. The abrasion resistant lubricant not only can improve lubrication performance, but also can lower a friction coefficient. The pressure bearing capability of a liquid film is increased. The abrasion resistant lubricant is also an application precedent of a nanometer metal material.
Description
The present invention relates to the material application class, particularly a kind of antifriction lubricant of nanometer metal micropowder.
As everyone knows, the most important task of lubricant, prevent that exactly sliding part from the contact of coarse micro-bulge taking place when moving mutually, under higher sliding velocity, be by the lubricating fluid molecular adsorption on the metallic surface, form one deck liquid membrane, deaden the contact of the coarse micro-bulge of friction surface with this, because the physico-chemical property of liquid, the temperature that produces when being subjected to surface of friction when motion or environmental change, the influence of factors vary such as pressure is bigger, be difficult to keep for a long time the bearing capacity of liquid film on the moving parts surface, deaden the contact of coarse micro-bulge, the frictional coefficient of surface of friction is increased, the metallic surface cracks, metal weares and teares, thereby as can be known, lubricant is very important, in existing lubrication technology, in order to remedy the shortcoming of pure liquid lubrication, main terms of settlement is that adding is various organic in lubricating fluid, mineral compound, to improve the physicochemical property of lubricating fluid, improve the bearing capacity of liquid film, reduce the frictional coefficient of surface of friction, these compounds join in the lubricating fluid, though can play certain rubbing effect that improves,, also bring certain side effect, as some compounds, unstable chemcial property, meet water and can generate acid, produce corrosion, its range of application is limited at surface of friction; In case the environment and the condition of friction exceed specific allowed band, the additive of these organic and inorganic things is just powerless, and may produce chemical transformation in addition, generates to be unfavorable for making the material that lubricates lubricated destroyed.
Purpose of the present invention is exactly all shortcomings that exist at above-mentioned lubricating fluid, a kind of antifriction lubricant of nanometer metal micropowder is provided, this antifriction lubricant is a kind of solid, liquid mixture that contains nanometer metal micropowder, the solid, liquid mixture of the nanometer metal micropowder of its 3-5% is joined in the lubricating fluid, can obviously improve the lubricity of lubricating fluid, its key is solid-state nanometer metal micropowder, it in lubricating fluid with its distinctive physico-chemical property, make lubricating fluid reduce frictional coefficient in a variety of forms, increase the liquid film bearing capacity at surface of friction.
Technical conceive of the present invention:
Liquid lubrication is a kind of lubricating system that is most widely used at present; its advantage is a lot; therefore lubrication technology is perfect day by day; but its inherent shortcoming also thoroughly solves; the physico-chemical property of Here it is liquid is subjected to temperature; the pressure change influence is very big; though in liquid, add various organic; inorganic additives; can be at the specific permission temperature end; under the pressure condition; improve the shortcoming of liquid lubrication; but when the environment of friction and condition when exceeding specific allowed band; these additives are just powerless in liquid; and might produce chemical transformation; generation is unfavorable for the material that lubricates; make lubricated destroyed; at this shortcoming; we understand solid material in identical temperature; under the pressure change condition; its physicochemical property is than stable many of fluent material; principle of the present invention is exactly to be that the solid metal particulate of 40 nanometers evenly joins in the lubricating fluid with diameter; make its in lubricating fluid with peculiar physicochemical property itself; give full play to the effect of its uniqueness; even make lubricating fluid under condition than higher temperature and pressure change; also can reduce frictional coefficient; increase bearing capacity; surface of friction is protected; diameter is the metallics material of 40 nanometers; be exactly relatively more popular at present metal nano material, nano material is the product that nanoscale science and technology combines with Materials science, and nanometer claims millimicron again; be a kind of unit of length, a nanometer equals 10
-9Rice, nanosecond science and technology are science and technology of in the 0.1-100 nanometer range material and life being studied and being used, nanosecond science and technology have made the mankind directly utilize atom and molecule to produce at present, can produce super cell pellets---the nanoparticle that only contains tens to several ten thousand atoms, and with it as the basic comprising unit, be arranged in the nano-solid material, nano material mainly includes the nanoparticle of metal, metallic compound, inorganics, polymkeric substance at present, through mixing compacting, water knot or sputter and form unconventional solid material with property.The characteristic that the present invention utilizes nanometer metal micropowder to have, the one, the geometrical dimension of nanometer metal micropowder is small, be actually the cluster of tens to several ten thousand atoms, the 2nd, it is especially big that nanometer metal micropowder physical property and the physical property of original metal are compared difference, as the pure nickel metal fine powder about 40 nanometers, its melt temperature only can 80 ℃, and the fusing point of pure nickel metal is 1450 ℃, geometrical dimension is little of nano level metallics, in fact be exactly the group of hundreds of to several thousand these metallic molecules, the crystalline network of it and former pure metal has a great difference, say with respect to nonmetal nano material, metal nano material can be subjected to environment easily, temperature, pressure, the variation of conditions such as shearing, its geometrical dimension, particle ultimate compression strength, external form, fusing point, physicochemical properties such as chemical reactivity also change thereupon, the purpose that in lubricating fluid, adds metal nano material, to utilize the characteristic of nano metal material exactly, improve the lubricity of lubricating fluid, the geometrical dimension that the nanometer metal micropowder particle is smaller, can in lubricating fluid, play the pressure-bearing skeleton function, when friction is carried out, the nanometer metal micropowder particle can partly infiltrate the metallic surface, directly change the metal construction on the friction surface, its hardness is changed, anti-oxidant, anticorrosive, anti-wear can improving, the nanometer metal micropowder particle that does not infiltrate the metallic surface can be filled in the depression of friction surface, to improve the loaded area on the surface of friction, also can be under the shearing of coarse micro-bulge or temperature, pressure change under with environment in the synthetic good solid lubricant of other materializations with layer-lattice structure, part nanometer metal micropowder particle can be at surface of friction with its agglomerate shape, be mixed in the material of laminate structure, make and have the part rolling resistance in the sliding friction, under the above-mentioned comprehensive use of nanometer metal micropowder particle, the frictional coefficient of liquid lubrication is reduced, bearing capacity improves, the nanometer metal micropowder description of materials is a lot, but through test of many times, the four kinds of nanometer metal micropowders of selection that have preferable effect at present are molybdenum, tantalum, nickel, copper, pass through test of many times, these four kinds of nanometer metal micropowders can be diffused in the metal surface of surface of friction, make the surface hardness of steel, lattice generation noticeable change, molybdenum, tantalum nanometer metal micropowder particle can be respectively with environment in oxygen, sulphur is combined into the solid lubricant with layer-lattice structure, make it to have good oxidative stability, nickel, copper then can increase the loaded area of surface of friction, and exist on the surface of friction with its trickle agglomerate profile, make and have the part rolling resistance in the sliding friction, these four kinds of antifriction lubricants that nanometer metal micropowder is made improve the effect of liquid lubrication greatly.
Particular content of the present invention
The present invention adopts nanometer metal micropowder and solvent through certain processing condition and step, makes a kind of antifriction lubricant of nanometer metal micropowder.
1, prescription of the present invention
Material name specification weight percent %
Nanometer metal micropowder 20-100nm 30-25
Solvent d
4 20=0.85-0.88 70-75
2, optimum formula of the present invention
Material name specification weight percent %
Molybdenum powder ≯ 40nm 7
Tantalum powder ≯ 40nm 3
Nickel powder ≯ 40nm 7
Copper powder ≯ 100nm 3
Solvent d
4 20=0.85-0.87 80
Under the manufacturing condition of the present invention:
1, all are manufactured process and should carry out indoor, and indoor dust should be controlled ≯ 5mg/m
3
2, the temperature of manufacturing, relative temperature ≯ 65 ℃, solvent temperature ≯ 50 ℃.
Pressure when 3, manufacturing is normal pressure.
4, various nanometer metal micropowders should be preserved under vacuum condition, should carry out in vacuum tank during weighing, and the intact micro mist of weighing should immerse in the solvent at once to be preserved.
Making method of the present invention:
1, the main equipment of manufacturing
Manufacture 500 liters of calculating with per tour, need one of two of 1000 liters of enamel chuck stirring tanks, one of colloidal mill, balance (weighing precision 0.1g, range 500g), one of an electronic platform balance, 1 of vacuum tank, one in vacuum pump, 2 in oil pump, solvent storage cylinder one (band metering), little molten amount filling machine.
2, manufacture step
(1) treat standby according to the weight of prescription intact various nano powders of weighing in vacuum tank.
(2) start vacuum pump, air in 1 still of finding time charges into nitrogen then.
(3) in 1 still, pump into certain amount of solvent by the prescription requirement, start stirring.
(4) by prescription the standby nanometer metal micropowder that weighing finishes in vacuum tank is dropped in 1 still successively and stir.
(5) wait to stir 1 hour after, with pump the mixture in 1 still is sent into colloidal mill and grinds, the material after the grinding enters in 2 stills.
(6) after material all changes 2 stills over to, restir 1 hour.
(7) stir after 1 hour, begin to use the filling machine can, stirring does not stop during can.
The item that should note when (8) manufacturing.
Nanometer metal micropowder can not contact with air, otherwise can go bad, and spontaneous combustion can take place weight person, and solvent also should keep fire away in keeping is used.
In conjunction with manufacturing condition and manufacture step explanation embodiments of the invention:
According to manufacturing condition with manufacture the antifriction lubricant that step and following prescription are manufactured nanometer metal micropowder:
Embodiment 1
Material name specification weight percent %
Molybdenum powder ≯ 20nm 5
Tantalum powder ≯ 40nm 5
Nickel powder ≯ 20nm 7
Copper powder ≯ 100nm 3
Solvent d
4 20=0.85-0.88 80
Embodiment 2
Material name specification weight percent %
Molybdenum powder ≯ 40nm 7
Tantalum powder ≯ 40nm 3
Nickel powder ≯ 40nm 7
Copper powder ≯ 100nm 3
Solvent d
4 20=0.85-0.87 80
Embodiment 3
Material name specification weight percent %
Molybdenum powder ≯ 40nm 7
Tantalum powder ≯ 40nm 7
Nickel powder ≯ 20nm 6
Copper powder ≯ 100nm 5
Solvent d
4 20=0.85-0.87 75
The antifriction lubricant of a kind of nanometer metal micropowder that manufactures by embodiment 1,2,3 three kind of prescription carries out actual service test respectively on Xiali, Jetta, CA141 car, its effect is as follows:
Press the antifriction lubricant of the prescription manufacturing of embodiment 1, try out on Xiali board car, travel 150,000 kilometers of mileages of this car, without overhaul, use lubricating oil all by selecting for use with the car specification sheets, each parts all has wearing and tearing, and the dry sound of engine, vibration are bigger, and the burn oil phenomenon are arranged, under this situation, do not change the former automobile oil rank and the trade mark, whenever travel 5000 kilometers or when adding machine oil, in engine, inject antifriction lubricant (account for oil level 4%), behind 17,000 kilometers of actual tests mileages, the dry sound of engine reduces, and vibration alleviates, and the burn oil phenomenon takes a turn for the better.
The antifriction lubricant that manufactures with the prescription of embodiment 2, be used on the Jetta car, this car travels 70,000 kilometers, obviously with topic, just engine does not have slight dry sound to each parts of car load, when adding machine oil, getting 3% the antifriction lubricant that accounts for oil level adds in the machine oil, travel about 5000 kilometers, find that dry sound does not have, effect is very obvious.
The antifriction lubricant that manufactures with the prescription of embodiment 3 is used on the CA141 car, this car travels 180,000 kilometers, the dry sound of engine is big, burn oil when this car adds machine oil, is got 5% the antifriction lubricant that accounts for oil level and is joined in the machine oil, running test through 5000 kilometers, the dry sound of obviously finding engine reduces, and the burn oil phenomenon improves, and proves that this antifriction lubricant effect is remarkable.
Technology of the present invention is simple, it is easy to manufacture, effect is obvious, and it not only plays lubrication, and plays the repairing effect.
Claims (2)
1, a kind of antifriction lubricant of nanometer metal micropowder, it is made up of nanometer metal micropowder and solvent, and it is as follows to it is characterized in that filling a prescription:
Material name specification weight percent %
Nanometer metal micropowder 20-100nm 30-25
Solvent d
4 20=0.85-0.88 70-75
2,, it is characterized in that its optimum formula is according to the antifriction lubricant of the described a kind of nanometer metal micropowder of claim 1:
Material name specification weight percent %
Molybdenum powder ≯ 40nm 7
Tantalum powder ≯ 40nm 3
Nickel powder ≯ 40nm 7
Copper powder ≯ 100nm 3
Solvent d
4 20=0.85-0.87 80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98102795A CN1045466C (en) | 1998-07-13 | 1998-07-13 | Nanometer metal micropowder wear-resistant lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98102795A CN1045466C (en) | 1998-07-13 | 1998-07-13 | Nanometer metal micropowder wear-resistant lubricant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1206737A CN1206737A (en) | 1999-02-03 |
| CN1045466C true CN1045466C (en) | 1999-10-06 |
Family
ID=5217574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98102795A Expired - Fee Related CN1045466C (en) | 1998-07-13 | 1998-07-13 | Nanometer metal micropowder wear-resistant lubricant |
Country Status (1)
| Country | Link |
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| CN (1) | CN1045466C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100624B (en) * | 2007-07-18 | 2011-05-18 | 深圳先进技术研究院 | Additive for lubricating oil and preparation method thereof |
| CN101787321A (en) * | 2010-03-16 | 2010-07-28 | 大连海事大学 | Micro-nano mineral grain lubricating additive with self-repairing function, lubricating oil and production method |
| CN102230063B (en) * | 2011-03-07 | 2013-07-17 | 孙静 | Method of forming nanostructure on friction surface of metal friction pair and special composition thereof |
| CN102899955B (en) * | 2011-07-27 | 2016-03-30 | 金红叶纸业集团有限公司 | Dryer surface renovation agent, dryer surface restorative procedure and drying cylinder |
| CN111394157A (en) * | 2020-04-24 | 2020-07-10 | 烟台中天连接技术研究院 | High-load-resistance molybdenum disulfide dry film lubricant for bushing and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158695A (en) * | 1991-10-29 | 1992-10-27 | Yashchenko Nikolay K | Diamond-based antifriction material |
| CN1077215A (en) * | 1992-11-20 | 1993-10-13 | 宝钢集团常州钢铁厂 | The lubricant of central spindle for hot-rolling steel tube |
| CN1080326A (en) * | 1992-06-18 | 1994-01-05 | 康淑丽 | Improve the alloy and the device of cylinder lubrication and sealing |
| US5523006A (en) * | 1995-01-17 | 1996-06-04 | Synmatix Corporation | Ultrafine powder lubricant |
-
1998
- 1998-07-13 CN CN98102795A patent/CN1045466C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158695A (en) * | 1991-10-29 | 1992-10-27 | Yashchenko Nikolay K | Diamond-based antifriction material |
| CN1080326A (en) * | 1992-06-18 | 1994-01-05 | 康淑丽 | Improve the alloy and the device of cylinder lubrication and sealing |
| CN1077215A (en) * | 1992-11-20 | 1993-10-13 | 宝钢集团常州钢铁厂 | The lubricant of central spindle for hot-rolling steel tube |
| US5523006A (en) * | 1995-01-17 | 1996-06-04 | Synmatix Corporation | Ultrafine powder lubricant |
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| Publication number | Publication date |
|---|---|
| CN1206737A (en) | 1999-02-03 |
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