CN111100723A - Preparation method of metal friction pair rapid wear-resistant repair material - Google Patents
Preparation method of metal friction pair rapid wear-resistant repair material Download PDFInfo
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- CN111100723A CN111100723A CN201910236325.2A CN201910236325A CN111100723A CN 111100723 A CN111100723 A CN 111100723A CN 201910236325 A CN201910236325 A CN 201910236325A CN 111100723 A CN111100723 A CN 111100723A
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- 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
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
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- 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/05—Metals; Alloys
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/085—Phosphorus oxides, acids or salts
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
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Abstract
The invention discloses a preparation method of a rapid wear-resistant repair material for a metal friction pair, and belongs to the field of metal surface nanocrystallization. A preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps: the method comprises the following steps: respectively ball-milling silicon oxide and magnesium oxide with particle size of 1-200 μm with ball mill, separating in liquid, and screening out silicon oxide and magnesium oxide with particle size less than 100 nm. Step two: the surface modifier is used for treating sodium oxide and phosphorus oxide, the lathe noise can be reduced by 5.2-8.9 decibels, after the lathe runs for 1500 hours, the tooth space dispersion is small, the precision can reach 2-4 mu m, the friction coefficient is reduced by about 50%, the vibration noise in the running process of mechanical equipment is reduced by 3-5 decibels, the energy consumption of the equipment is reduced by more than 5%, the service life of the equipment is prolonged, and the product can be directly added into a lubricating system, is convenient to use, is pollution-free and is harmless to the equipment.
Description
Technical Field
The invention relates to the technical field of metal surface nanocrystallization, in particular to a preparation method of a rapid wear-resistant repair material for a metal friction pair.
Background
The metal surface nanocrystallization is to refine surface grains of the material to a nanometer level by various physical or chemical methods to prepare a surface layer with a nanometer structure with a certain depth, but the matrix still keeps the original coarse grain state, so as to improve and enhance the surface properties of the metal material, such as fatigue strength, stress corrosion resistance, wear resistance and the like. The hardness of the surface layer of the metal surface nano structure is obviously improved, and the hardness of a sub-micron crystal layer below the surface is also obviously improved. The toughness of the metal material is not obviously reduced while the surface integrity performance of the metal material is improved, and the performances of fatigue resistance, wear resistance, corrosion resistance and the like of mechanical parts are effectively improved, so that the safe and stable operation of mechanical equipment is ensured, the effective service life of the mechanical equipment is prolonged, and the method has important economic and practical values and very wide application prospects.
The existing mainstream similar technology is a natural ore powder grinding technology, and because the machine processing grinding production speed is low and the purity is unstable, the machine processing grinding production speed is low, only the ore powder is ground to nano-grade particles, and effective activating substances cannot be found out, so that the effect can be generated only by applying the method under a specific working condition, but the effect is unstable, and the generated metal ceramic repairing layer has a low application effect and high cost.
According to the invention, through a synthetic deoxidation method, the metal hydroxysilicate powder is artificially prepared, particles with the particle size of less than 0.1 micron can be obtained through processing, molecular chains are introduced into the surface of the powder to improve the anti-agglomeration performance of the powder, short chains are used for connecting active substances to ensure stability, and meanwhile, in order to prevent the activity of the powder from losing efficacy, a molecular protective layer is covered outside the short chains formed by each active substance. Then adding nano copper and catalyst to quickly form a metal modified layer on the surface of the metal friction pair so as to achieve the effects of repairing, reducing friction coefficient, prolonging service life and reducing energy consumption.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the natural ore powder grinding technology is adopted, the mechanical processing grinding production speed is low, the purity is unstable, the mechanical processing grinding production speed is low, only the ore powder is ground to nano-grade particles, and effective activating substances cannot be found out, so that the effect can be generated only when the material is used under a specific working condition, but the effect is unstable, the application effect of a generated metal ceramic repairing layer is low, and the cost is high.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps:
the method comprises the following steps: respectively ball-milling silicon oxide and magnesium oxide with particle size of 1-200 μm with ball mill, separating in liquid, and screening out silicon oxide and magnesium oxide with particle size less than 100 nm.
Step two: treating sodium oxide and phosphorus oxide with a surface modifier, and mixing with silicon oxide, magnesium oxide and the like to obtain a mixture a.
Step three: and (3) subjecting the mixture a to certain normal pressure and shearing force in a ball mill, and removing the surface modifier of sodium oxide and phosphorus oxide by using the instantaneous high temperature generated by the high-pressure contact zone to perform chemical reaction to obtain a mixture b.
Step four: the mixture b generates microscopic explosion in the microscopic high-pressure contact area to form microscopic high-pressure vacuum, silicon oxide, magnesium oxide and other trace elements in the mixture b act under the environment to instantly synthesize magnesium hydroxy silicate, and phosphate glass (Grignard salt) is generated under the cooling function of lubricating oil.
Step five: and (3) respectively ball-milling alumina, ferric oxide, nickel oxide, calcium oxide and chromium oxide by using a ball mill, separating by using liquid, and screening out substances with the particle size of less than 100 nanometers to obtain a mixture c.
Step six: and (3) carrying out mixing reaction on 20-40 parts of the mixture c, 40-60 parts of artificial magnesium silicate hydroxide, 5-20 parts of nano copper and 1-10 parts of catalyst to finally obtain the artificially synthesized metal friction pair rapid wear-resistant repair material.
Step seven: the prepared metal friction pair rapid wear-resistant repair material powder is prepared by mixing the following components in a mass ratio of 1: adding the dispersant into the lubricating medium according to the proportion of 50, stirring the mixture for one hour by using a stirrer, and adding 1 part of the dispersant to continue stirring for 15 to 30 hours.
Preferably, the liquid in the first step and the fifth step is water, oil or the like which does not react with silicon oxide and magnesium oxide.
Preferably, the grain diameter of the silicon oxide and the magnesium oxide in the first step is 10-20 μm.
Preferably, in the second step, the ratio of sodium oxide to phosphorus oxide can be synchronously adjusted according to needs, so that the hardness and the repair rate of the repair layer can be changed.
Preferably, in the sixth step, 30 parts of the mixture c, 50 parts of artificial magnesium silicate hydroxide, 15 parts of nano-copper and 5 parts of a catalyst are mixed and reacted.
Preferably, the lubricating medium in the seventh step is base lubricating oil or lubricating grease used in the field of mechanical equipment.
Preferably, in the seventh step, the stirring is continued for 22 hours after the dispersant is added.
Preferably, the phosphate glass body has a strong cleaning function.
Compared with the prior art, the invention provides a preparation method of a metal friction pair rapid wear-resistant repair material, which has the following beneficial effects:
1. according to the preparation method of the metal friction pair rapid wear-resistant repair material, hydroxy silicic acid metal powder is artificially prepared by an artificial synthesis deoxidation method, particles with the particle size of less than 0.1 micron can be obtained by processing, molecular chains are introduced into the surface of the powder to improve the agglomeration resistance of the powder, and active substances are connected by short chains to ensure stability.
2. In the preparation method of the metal friction pair rapid wear-resistant repair material, in order to ensure that the activity of the metal friction pair does not lose efficacy, a molecular protective layer is covered outside a short chain formed by each active substance.
3. According to the preparation method of the rapid wear-resistant repair material for the metal friction pair, the nano copper and the catalyst are added, so that a metal modified layer is rapidly formed on the surface of the metal friction pair, and the effects of repairing, reducing the friction coefficient, prolonging the service life, reducing the energy consumption and the like are achieved.
The invention can reduce the lathe noise by 5.2-8.9 decibels, and after the lathe runs for 1500 hours, the tooth space dispersion is smaller, the precision can reach 2-4 mu m, the friction coefficient is reduced by about 50%, the vibration noise in the running process of mechanical equipment is reduced by 3-5 decibels, the energy consumption of the equipment is reduced by more than 5%, the service life of the equipment is prolonged, and the product can be directly added into a lubricating system, is convenient to use, has no pollution and is harmless to the equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps:
the method comprises the following steps: respectively ball-milling silicon oxide, magnesium oxide and other substances with the particle size of about 1 mu m by using a ball mill, then putting the ball-milled substances into water or oil for separation, and screening the silicon oxide and the magnesium oxide with the particle size of less than 100 nanometers.
Step two: after the sodium oxide and the phosphorus oxide are treated by the surface modifier, the mixture is mixed with substances such as silicon oxide, magnesium oxide and the like to obtain a mixture a, the proportion of the sodium oxide and the phosphorus oxide can be synchronously adjusted according to needs, and the hardness and the repair rate of a repair layer can be changed.
Step three: and (3) subjecting the mixture a to certain normal pressure and shearing force in a ball mill, and removing the surface modifier of sodium oxide and phosphorus oxide by using the instantaneous high temperature generated by the high-pressure contact zone to perform chemical reaction to obtain a mixture b.
Step four: the mixture b generates microcosmic explosion in the microcosmic high-pressure contact area to form microcosmic high-pressure vacuum, silicon oxide, magnesium oxide and other trace elements in the mixture b act in the environment to instantly synthesize magnesium hydroxy silicate, and phosphate glass (Grignard salt) is generated under the cooling function of lubricating oil, and the phosphate glass has a strong cleaning function.
Step five: ball milling alumina, ferric oxide, nickel oxide, calcium oxide and chromium oxide with a ball mill, separating with water or oil, and screening to obtain mixture c with particle size less than 100 nm.
Step six: and (3) carrying out mixing reaction on 20 parts of the mixture c, 40 parts of artificial magnesium silicate hydroxide, 5 parts of nano copper and 1 part of catalyst to finally obtain the artificially synthesized metal friction pair rapid wear-resistant repair material.
Step seven: the prepared metal friction pair rapid wear-resistant repair material powder is prepared by mixing the following components in a mass ratio of 1: 50 parts of the dispersant is added to the base lubricant or the grease, and after stirring the mixture for one hour by a stirrer, 1 part of the dispersant is added and the stirring is continued for 15 hours.
Example 2:
a preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps:
the method comprises the following steps: respectively ball-milling silicon oxide, magnesium oxide and other substances with the particle size of about 200 mu m by using a ball mill, then separating the substances in water or oil, and screening the silicon oxide and the magnesium oxide with the particle size of less than 100 nanometers.
Step two: after the sodium oxide and the phosphorus oxide are treated by the surface modifier, the mixture is mixed with substances such as silicon oxide, magnesium oxide and the like to obtain a mixture a, the proportion of the sodium oxide and the phosphorus oxide can be synchronously adjusted according to needs, and the hardness and the repair rate of a repair layer can be changed.
Step three: and (3) subjecting the mixture a to certain normal pressure and shearing force in a ball mill, and removing the surface modifier of sodium oxide and phosphorus oxide by using the instantaneous high temperature generated by the high-pressure contact zone to perform chemical reaction to obtain a mixture b.
Step four: the mixture b generates microscopic explosion in the microscopic high-pressure contact area to form microscopic high-pressure vacuum, silicon oxide, magnesium oxide and other trace elements in the mixture b act under the environment to instantly synthesize magnesium hydroxy silicate, and phosphate glass (Grignard salt) is generated under the cooling function of lubricating oil.
Step five: ball milling alumina, ferric oxide, nickel oxide, calcium oxide and chromium oxide with a ball mill, separating with water or oil, and screening to obtain mixture c with particle size less than 100 nm.
Step six: and (3) carrying out mixing reaction on 40 parts of the mixture c, 60 parts of artificial magnesium silicate hydroxide, 20 parts of nano copper and 10 parts of catalyst to finally obtain the artificially synthesized metal friction pair rapid wear-resistant repair material.
Step seven: the prepared metal friction pair rapid wear-resistant repair material powder is prepared by mixing the following components in a mass ratio of 1: 50 parts of the dispersant is added to the base lubricant or the grease, and after stirring for one hour by a stirrer, 1 part of the dispersant is added and stirring is continued for 30 hours.
Example 3:
a preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps:
the method comprises the following steps: respectively ball-milling silicon oxide and magnesium oxide with particle size of about 10-20 μm with ball mill, separating in water or oil, and screening out silicon oxide and magnesium oxide with particle size less than 100 nm.
Step two: after the surface modifier is used for treating sodium oxide and phosphorus oxide, the sodium oxide and the phosphorus oxide are mixed with substances such as silicon oxide, magnesium oxide and the like to obtain a mixture a, the proportion of the sodium oxide and the phosphorus oxide can be synchronously adjusted according to needs, and the hardness and the repair rate of a repair layer can be changed.
Step three: and (3) subjecting the mixture a to certain normal pressure and shearing force in a ball mill, and removing the surface modifier of sodium oxide and phosphorus oxide by using the instantaneous high temperature generated by the high-pressure contact zone to perform chemical reaction to obtain a mixture b.
Step four: the mixture b generates microcosmic explosion in the microcosmic high-pressure contact area to form microcosmic high-pressure vacuum, silicon oxide, magnesium oxide and other trace elements in the mixture b act in the environment to instantly synthesize magnesium hydroxy silicate, and phosphate glass (Grignard salt) is generated under the cooling function of lubricating oil, and the phosphate glass has a strong cleaning function.
Step five: ball milling alumina, ferric oxide, nickel oxide, calcium oxide and chromium oxide with a ball mill, separating with water or oil, and screening to obtain mixture c with particle size less than 100 nm.
Step six: and (3) carrying out mixing reaction on 30 parts of the mixture c, 50 parts of artificial magnesium silicate hydroxide, 15 parts of nano copper and 5 parts of catalyst to finally obtain the artificially synthesized metal friction pair rapid wear-resistant repair material.
Step seven: the prepared metal friction pair rapid wear-resistant repair material powder is prepared by mixing the following components in a mass ratio of 1: 50 parts of the dispersant was added to the base lubricant or grease, and after stirring the mixture for one hour with a stirrer, 1 part of the dispersant was added and the stirring was continued for 22 hours.
According to the invention, through a synthetic deoxidation method, the metal hydroxysilicate powder is artificially prepared, particles with the particle size of less than 0.1 micron can be obtained through processing, molecular chains are introduced into the surface of the powder to improve the anti-agglomeration performance of the powder, short chains are used for connecting active substances to ensure stability, and meanwhile, in order to prevent the activity of the powder from losing efficacy, a molecular protective layer is covered outside the short chains formed by each active substance. Then adding nano copper and catalyst, thus forming a metal modified layer on the surface of the metal friction pair quickly, so as to achieve the effects of repairing, reducing the friction coefficient, prolonging the service life and reducing the energy consumption, and the technology can reduce the noise of the lathe by 5.2-8.9 decibels, and after the lathe runs for 1500h, the tooth space dispersion is smaller, the precision can reach 2-4 μm, the friction coefficient is reduced by about 50%, the vibration noise in the running process of mechanical equipment is reduced by 3-5 decibels, the energy consumption of the equipment is reduced by more than 5%, the service life of the equipment is prolonged, and the product can be directly added into a lubricating system, is convenient to use, is pollution-free and is harmless to the equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A preparation method of a metal friction pair rapid wear-resistant repair material is characterized by comprising the following operation steps:
the method comprises the following steps: respectively ball-milling silicon oxide and magnesium oxide with particle size of 1-200 μm with ball mill, separating in liquid, and screening out silicon oxide and magnesium oxide with particle size less than 100 nm.
Step two: treating sodium oxide and phosphorus oxide with a surface modifier, and mixing with silicon oxide, magnesium oxide and the like to obtain a mixture a.
Step three: and (3) subjecting the mixture a to certain normal pressure and shearing force in a ball mill, and removing the surface modifier of sodium oxide and phosphorus oxide by using the instantaneous high temperature generated by the high-pressure contact zone to perform chemical reaction to obtain a mixture b.
Step four: the mixture b generates microscopic explosion in the microscopic high-pressure contact area to form microscopic high-pressure vacuum, silicon oxide, magnesium oxide and other trace elements in the mixture b act under the environment to instantly synthesize magnesium hydroxy silicate, and phosphate glass (Grignard salt) is generated under the cooling function of lubricating oil.
Step five: and (3) respectively ball-milling alumina, ferric oxide, nickel oxide, calcium oxide and chromium oxide by using a ball mill, separating by using liquid, and screening out substances with the particle size of less than 100 nanometers to obtain a mixture c.
Step six: and (3) carrying out mixing reaction on 20-40 parts of the mixture c, 40-60 parts of artificial magnesium silicate hydroxide, 5-20 parts of nano copper and 1-10 parts of catalyst to finally obtain the artificially synthesized metal friction pair rapid wear-resistant repair material.
Step seven: the prepared metal friction pair rapid wear-resistant repair material powder is prepared by mixing the following components in a mass ratio of 1: adding the dispersant into the lubricating medium according to the proportion of 50, stirring the mixture for one hour by using a stirrer, and adding 1 part of the dispersant to continue stirring for 15 to 30 hours.
2. The method for preparing a metal friction pair rapid wear-resistant repair material according to claim 1, wherein the liquid in the first step and the fifth step is water or oil or other liquid which does not react with silicon oxide and magnesium oxide.
3. The method for preparing a rapid wear-resistant repair material for a metal friction pair as claimed in claim 1, wherein the particle size of the silica and the magnesia in the first step is 10-20 μm.
4. The method for preparing a rapid wear-resistant repair material for a metal friction pair as claimed in claim 1, wherein in the second step, the ratio of sodium oxide and phosphorus oxide can be synchronously adjusted as required, so that the hardness and repair rate of the repair layer can be changed.
5. The method for preparing the metal friction pair rapid wear-resistant repair material according to claim 1, wherein in the sixth step, 30 parts of the mixture c, 50 parts of the artificial magnesium silicate hydroxide, 15 parts of the nano-copper and 5 parts of the catalyst are mixed and reacted.
6. The method for preparing a metal friction pair rapid anti-wear repairing material according to claim 1, wherein the lubricating medium in the seventh step is base lubricating oil or lubricating grease used in the field of mechanical equipment.
7. The method for preparing a rapid wear-resistant repair material for a metal friction pair as claimed in claim 1, wherein in the seventh step, stirring is continued for 22 hours after the dispersant is added.
8. The method for preparing a metal friction pair rapid anti-wear repairing material according to claim 1, wherein the phosphate glass body in the fourth step has a strong cleaning function.
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| CN201910236325.2A CN111100723B (en) | 2019-03-27 | 2019-03-27 | Preparation method of rapid wear-resistant repair material for metal friction pair |
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| CN201910236325.2A CN111100723B (en) | 2019-03-27 | 2019-03-27 | Preparation method of rapid wear-resistant repair material for metal friction pair |
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| CN111607447A (en) * | 2020-06-30 | 2020-09-01 | 张长军 | Metal wear-resistant repair lubricating grease and preparation method thereof |
| CN115109634A (en) * | 2022-07-01 | 2022-09-27 | 三亚圣龙新材料开发有限公司 | Metal wear self-repairing material for repairing wind tunnel motor sliding bearing and preparation method thereof |
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| CN115109634A (en) * | 2022-07-01 | 2022-09-27 | 三亚圣龙新材料开发有限公司 | Metal wear self-repairing material for repairing wind tunnel motor sliding bearing and preparation method thereof |
| CN115109634B (en) * | 2022-07-01 | 2023-01-17 | 三亚圣龙新材料开发有限公司 | Metal wear self-repairing material for repairing wind tunnel motor sliding bearing and preparation method thereof |
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| Publication number | Publication date |
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| CN111100723B (en) | 2023-08-22 |
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