CN113755231A - Environment-friendly lubricant for hot stamping and preparation and use method thereof - Google Patents

Environment-friendly lubricant for hot stamping and preparation and use method thereof Download PDF

Info

Publication number
CN113755231A
CN113755231A CN202111075191.4A CN202111075191A CN113755231A CN 113755231 A CN113755231 A CN 113755231A CN 202111075191 A CN202111075191 A CN 202111075191A CN 113755231 A CN113755231 A CN 113755231A
Authority
CN
China
Prior art keywords
temperature
lubricant
environment
carbonate
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111075191.4A
Other languages
Chinese (zh)
Inventor
王龙
凯体奥
海国娟
崔绍刚
伍大恒
王培�
王海丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwestern Polytechnical University
Original Assignee
Northwestern Polytechnical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northwestern Polytechnical University filed Critical Northwestern Polytechnical University
Priority to CN202111075191.4A priority Critical patent/CN113755231A/en
Publication of CN113755231A publication Critical patent/CN113755231A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/242—Hot working
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating

Abstract

The invention relates to an environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing and a preparation and use method thereof, and provides a water-based environment-friendly high-temperature lubricant aiming at the lubrication and demoulding required in the existing casting; alkali metal carbonate is the core component of the lubricant; the lubricant is characterized in that the main components of the lubricant are lithium carbonate, sodium carbonate and potassium carbonate; the lithium carbonate can improve the lubricating performance of the lubricant at the temperature of above 800 ℃, the sodium carbonate can provide high-temperature lubrication at the temperature of 500-700 ℃, the potassium carbonate can provide high-temperature lubrication at the temperature of 600-900 ℃, and the lithium carbonate, the sodium carbonate and the potassium carbonate can realize the high-temperature lubrication at the temperature of 300-1000 ℃. The lubricant disclosed by the invention is good in lubricating effect, low and stable in friction coefficient, simple in preparation process, and adjustable in use temperature range through formula and process adjustment.

Description

Environment-friendly lubricant for hot stamping and preparation and use method thereof
Technical Field
The invention belongs to the field of high-temperature lubricants, relates to an environment-friendly lubricant for hot stamping and a preparation and use method thereof, and particularly relates to an environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing and a preparation and use method thereof.
Background
In the hot stamping process, lubrication is essential. Spraying the lubricant onto the surface of the hot stamping abrasive tool provides an effective lubricant film to protect the tool, provide low friction and ensure smooth sliding of the blank and the tool and smooth ejection of the blank. Conventionally, a dispersion of graphite in an oil-water emulsion has been widely used as a lubricant for hot rolling, mainly because of its excellent lubrication and heat resistance, such as chinese patent publication nos. CN1044037A and CN 104403771A. However, graphite tends to cause black pollution and an unclean workshop environment. There is a need to find cleaner high temperature lubricants. For example, Chinese patent publication Nos. CN101508854, CN110305719A, CN1845982 and CN1243150A use talcum powder, carbon nano tube, bentonite, silicon lime, etc. However, the added lubricant is still a solid lubricant, and on the one hand, uniform dispersion is not easy, and the solid powder in the blowing process easily causes additional burden to the environment. And the given lubricant can only be used in a specific temperature interval.
Disclosure of Invention
Technical problem to be solved
The invention provides an environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing and a preparation and use method thereof, and provides a controllable adjustment method of a lubricating interval of the environment-friendly water-soluble high-temperature lubricant for metal thermoplastic processing, which are mainly suitable for forming processes of forging, rolling, extruding and the like of metals (steel, aluminum, titanium alloy and the like) in a high-temperature state, are particularly suitable for lubricating during forging of the steel and the aluminum, and cannot cause pollution in the use process. And simple adjustment of the composition according to the use environment and temperature can be performed to provide effective lubrication at the target temperature.
Technical scheme
An environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing is characterized by comprising the following components in percentage by mass: 1-90% of lithium carbonate, 1-90% of sodium carbonate, 1-90% of potassium carbonate, 0.1-30% of additive and the balance of water; the compounding of the lithium carbonate, the sodium carbonate and the potassium carbonate realizes the high-temperature lubrication at the temperature of 300-1000 ℃.
The weight percentages of the components are as follows: 1-20% of lithium carbonate, and sodium carbonate: 5-80%, potassium carbonate: 5-50%, additive 0.1-20% and the balance of water.
Such additives include, but are not limited to: soluble polymers or mineral acids to increase the viscosity and wetting of the lubricant.
The inorganic acids include, but are not limited to: carbonic acid or boric acid.
The soluble polymers include, but are not limited to: glycerin, water-soluble epoxy resin, water-soluble polyvinyl chloride resin, polyoxyethylene, polyurethane, anionic polyacrylamide, stearic acid, sodium dodecyl sulfate, acrylic acid, crotonic acid or maleic acid.
The method for preparing the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing is characterized by comprising the following steps of: the weight percentages are as follows: 1-90% of lithium carbonate, 1-90% of sodium carbonate, 1-90% of potassium carbonate and 0.1-30% of additive are mixed before use, and the balance of water is added to prepare the lubricant.
The use method of the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing is characterized by comprising the following steps of: the prepared lubricant is sprayed on the grinding tool, and the continuous stamping enables the surface of the grinding tool to have higher temperature. Thereby evaporating water from the lubricant to produce a lubricant coating.
The use method of the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing is characterized by comprising the following steps of: and spraying the prepared lubricant on metal, and drying to form a lubricating coating.
The thickness of the coating is 10-200 μm.
The thickness of the coating is 20-50 μm.
Advantageous effects
The invention provides an environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing and a preparation and use method thereof, aiming at the lubrication and demoulding required in the existing casting, the invention provides a water-based environment-friendly high-temperature lubricant; alkali metal carbonate is the core component of the lubricant; the lubricant is characterized in that the main components of the lubricant are lithium carbonate, sodium carbonate and potassium carbonate; the lithium carbonate can improve the lubricating performance of the lubricant at the temperature of above 800 ℃, the sodium carbonate can provide high-temperature lubrication at the temperature of 500-700 ℃, the potassium carbonate can provide high-temperature lubrication at the temperature of 600-900 ℃, and the lithium carbonate, the sodium carbonate and the potassium carbonate can realize the high-temperature lubrication at the temperature of 300-1000 ℃.
The invention also provides a design method for simply regulating and controlling the components of the water-soluble high-temperature lubricant aiming at the target use temperature.
The detection method of the lubricant comprises the following steps: the lubricating tribological wear properties of the lubricants/coatings were evaluated using UMT-Tribolab (Bruker, Germany). The dual ball is a high-speed steel (HSS) ball, the temperature is room temperature-900 ℃, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10 min.
The beneficial effects are that:
the invention prepares a water-soluble alkali metal carbonate-based high-temperature lubricant. The lubricant of the present invention is dissolved in water, and the residual and scattered lubricant is washed with water to complete the recovery and cleaning.
The lubricant can meet the high-temperature lubrication requirement of a wide temperature range of 300 ℃ and 1000 ℃ through simple component regulation and control; the melting point of lithium carbonate is 720 ℃, the melting point of sodium carbonate is 851 ℃, the melting point of potassium carbonate is 891 ℃, two or more carbonates can form eutectic of carbonates through compounding in different proportions, the eutectic has different melting points, the melting points are below 720 ℃, when the carbonates are close to or at the melting points, the carbonates soften and can form molten salt after melting, the molten salt containing positive and negative ions is considered as high-temperature ionic liquid, can form a self-assembled layered structure, is easy to shear, and accordingly reduces friction and abrasion.
And thirdly, the soluble polymer, the inorganic acid and other additives are added to mainly improve the viscosity, wettability, viscosity and wettability of the lubricant.
The lubricant prepared by the method has good lubricating effect, does not cause any pollution to the environment, and is an environment-friendly lubricant.
Drawings
FIG. 1 is an XRD of the high temperature lubricant of the invention in example 1
The XRD composition of the lubricant film of example 1, which contains 25% sodium carbonate and 5% potassium carbonate as the main lubricant components, shows diffraction peaks mainly due to eutectic salt formed by sodium potassium carbonate.
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
the technical scheme of the invention is as follows:
aiming at the lubrication and demoulding required in the existing casting, the invention provides a water-based environment-friendly high-temperature lubricant; alkali metal carbonate is the core component of the lubricant; the material is characterized by comprising the following components in percentage by mass:
a, lithium carbonate: 0 to 90 percent
B, sodium carbonate: 1 to 90 percent
C, potassium carbonate: 1 to 90 percent
D, additive: 0.1 to 30 percent
E water 5-99%
② preferably, the content of lithium carbonate is 0-20%, sodium carbonate: 5-80%, potassium carbonate: 5-50%, additive 0.1-20% and the balance of water.
③ preferably, the additive is soluble polymer, and inorganic acid is used for improving the viscosity and wettability of the lubricant.
And fourthly, preferably, the additive is glycerol, water-soluble epoxy resin, water-soluble polyvinyl chloride resin, polyoxyethylene, polyurethane, anionic polyacrylamide, stearic acid, sodium dodecyl sulfate, acrylic acid, crotonic acid, maleic acid, carbonic acid, boric acid and the like.
In one embodiment, the lubricant is solid powder and can be dissolved in water by stirring according to the proportion according to the composition of the lubricant adjusted according to the temperature of the hot stamping working condition.
Sixthly, the surface temperature of the casting is 300-1000 ℃ in use, and the lubricant has proper viscosity and wettability so as to ensure good high-temperature lubricating performance of the lubricant.
In one embodiment, the prepared lubricant is sprayed on the grinding tool, and the continuous stamping causes the surface of the grinding tool to have higher temperature. Further volatilizing water in the lubricant to generate a lubricant coating with the thickness of 10-200 μm; preferably 20-50 μm thick.
The detection method of the material of the invention is as follows:
the frictional wear properties were evaluated in the ball-disk mode of a UMT-Tribolab (Bruker, Germany) frictional wear tester, the couple balls being high-speed steel (HSS) balls, at a temperature of room temperature-1000 ℃, a load of 5-200N, a linear velocity of 0.05-0.4m/s, a friction radius of 15mm, a running time of 10 min.
Example 1:
an environment-friendly composite lubricant for hot stamping is prepared from 25% of sodium carbonate, 5% of potassium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 550 ℃ and 920 ℃ is 0.37-0.45, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 2:
an environment-friendly composite lubricant for hot stamping is prepared from 20% of sodium carbonate, 10% of potassium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-920 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 450-920 ℃ is 0.28-0.45, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude. Compared with a water-soluble high-temperature-resistant lubricant for hot rolling of steel pipes in the Chinese patent CN111909762A, the lubricant can only lubricate within a narrow temperature range of 1000-1200 ℃, and the lubricant in the patent can provide lubrication in a wider temperature range.
Example 3:
an environment-friendly composite lubricant for hot stamping is prepared from 15% of sodium carbonate, 15% of potassium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 640-825 ℃ is 0.27-0.39, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 4:
an environment-friendly composite lubricant for hot stamping is prepared from 10% of sodium carbonate, 20% of potassium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient within the range of 640-925 ℃ is 0.17-0.42, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 5:
an environment-friendly composite lubricant for hot stamping is prepared from 25% of sodium carbonate, 5% of lithium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 450-920 ℃ is 0.26-0.39, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 6:
an environment-friendly composite lubricant for hot stamping is prepared from 20% of sodium carbonate, 10% of lithium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 550 ℃ and 920 ℃ is 0.26-0.29, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 7:
an environment-friendly composite lubricant for hot stamping is prepared from 15% of sodium carbonate, 15% of lithium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 450-920 ℃ is 0.23-0.38, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 8:
an environment-friendly composite lubricant for hot stamping is prepared from 10% of sodium carbonate, 20% of lithium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 550 ℃ and 920 ℃ is 0.25-0.3, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
Example 9:
an environment-friendly composite lubricant for hot stamping is prepared from 10% of sodium carbonate, 20% of lithium carbonate, 5% of stearic acid and the balance of water by mass ratio. The formulated lubricant was sprayed on 316 stainless steel, dried at 120 ℃ to form a lubricating coating having a thickness of about 50 μm, and then the lubricating frictional wear properties of the lubricant/coating were evaluated by UMT-Tribolab (Bruker, Germany). The dual ball is High Speed Steel (HSS) ball, the temperature is room temperature-900 deg.C, the load is 10N, the linear velocity is 0.1m/s, the friction radius is 15mm, and the running time is 10min
The friction coefficient of the high-temperature lubricant is small, the friction coefficient in the range of 640-920 ℃ is 0.27-0.37, the data is stable, and the wear rate of the steel part is 10-7mm3N-1m-1An order of magnitude.
In conclusion, the environment-friendly high-temperature lubricant disclosed by the invention has excellent lubricating, compression-resistant and anti-adhesion properties. The environment-friendly high-temperature lubricant has the advantages of no odor, no color, no toxicity and the like in the using process, all components of the high-temperature lubricant are water-soluble, and the high-temperature lubricant can be cleaned and recovered by washing scattered powder with water, so that the environment burden is small, and the environment-friendly high-temperature lubricant has good popularization and application prospects.
TABLE 1 coefficients of friction at different temperatures for the different lubricants of examples 1-9
Figure BDA0003261999460000081
Figure BDA0003261999460000091
A lower friction coefficient means a good lubrication effect and by simply adjusting the composition of the lubricant, a lower friction coefficient in different temperature ranges can be obtained.

Claims (10)

1. An environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing is characterized by comprising the following components in percentage by mass: 1-90% of lithium carbonate, 1-90% of sodium carbonate, 1-90% of potassium carbonate, 0.1-30% of additive and the balance of water; the compounding of the lithium carbonate, the sodium carbonate and the potassium carbonate realizes the high-temperature lubrication at the temperature of 300-1000 ℃.
2. The environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to claim 1, wherein: the weight percentages of the components are as follows: 1-20% of lithium carbonate, and sodium carbonate: 5-80%, potassium carbonate: 5-50%, additive 0.1-20% and the balance of water.
3. The environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to claim 1 or 2, characterized in that: such additives include, but are not limited to: soluble polymers or mineral acids to increase the viscosity and wetting of the lubricant.
4. The environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to claim 3, wherein: the inorganic acids include, but are not limited to: carbonic acid or boric acid.
5. The environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to claim 3, wherein: the soluble polymers include, but are not limited to: glycerin, water-soluble epoxy resin, water-soluble polyvinyl chloride resin, polyoxyethylene, polyurethane, anionic polyacrylamide, stearic acid, sodium dodecyl sulfate, acrylic acid, crotonic acid or maleic acid.
6. A method for preparing the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to any one of claims 1 to 6, which is characterized by comprising the following steps: the weight percentages are as follows: 1-90% of lithium carbonate, 1-90% of sodium carbonate, 1-90% of potassium carbonate and 0.1-30% of additive are mixed before use, and the balance of water is added to prepare the lubricant.
7. The use method of the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to any one of claims 1 to 6 is characterized by comprising the following steps: the prepared lubricant is sprayed on the grinding tool, and the continuous stamping enables the surface of the grinding tool to have higher temperature. Thereby evaporating water from the lubricant to produce a lubricant coating.
8. The use method of the environment-friendly high-temperature lubricant for high-temperature metal thermoplastic processing according to any one of claims 1 to 6 is characterized by comprising the following steps: and spraying the prepared lubricant on metal, and drying to form a lubricating coating.
9. The method according to claim 8 or 9, characterized in that: the thickness of the coating is 10-200 μm.
10. The method according to claim 8 or 9, characterized in that: the thickness of the coating is 20-50 μm.
CN202111075191.4A 2021-09-14 2021-09-14 Environment-friendly lubricant for hot stamping and preparation and use method thereof Pending CN113755231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111075191.4A CN113755231A (en) 2021-09-14 2021-09-14 Environment-friendly lubricant for hot stamping and preparation and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111075191.4A CN113755231A (en) 2021-09-14 2021-09-14 Environment-friendly lubricant for hot stamping and preparation and use method thereof

Publications (1)

Publication Number Publication Date
CN113755231A true CN113755231A (en) 2021-12-07

Family

ID=78795504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111075191.4A Pending CN113755231A (en) 2021-09-14 2021-09-14 Environment-friendly lubricant for hot stamping and preparation and use method thereof

Country Status (1)

Country Link
CN (1) CN113755231A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181414A (en) * 1996-10-30 1998-05-13 川崎制铁株式会社 Lubricant compsn. for heat working
CN101928631A (en) * 2009-06-25 2010-12-29 宝山钢铁股份有限公司 Environment-friendly high-temperature lubricant for processing metal thermoplasticity and use method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181414A (en) * 1996-10-30 1998-05-13 川崎制铁株式会社 Lubricant compsn. for heat working
CN101928631A (en) * 2009-06-25 2010-12-29 宝山钢铁股份有限公司 Environment-friendly high-temperature lubricant for processing metal thermoplasticity and use method thereof

Similar Documents

Publication Publication Date Title
CN102796594B (en) Cold-rolled sheet rolling emulsified oil containing modified nano copper and preparation method thereof
CN110699157B (en) Cutting oil for titanium alloy processing and preparation method thereof
JP3984158B2 (en) Water-based lubricant for metal material plastic working and method for treating lubricating film
JP3872492B2 (en) Water based lubricant coating agent for solids
CN109468162A (en) A kind of water base rolling mill compound and preparation method of the particle containing hexagonal nanometer boron nitride
CN106590357A (en) Self-repairing solid lubrication coating and preparation method thereof
CN104818103B (en) Cold extrusion forming lubricant for low-carbon steel parts for automobiles and preparation method thereof
CN113980545B (en) Polyether-ether-ketone/black-phosphorus self-lubricating composite coating, composite material and preparation method of composite material
CN1091142C (en) Lubricant for heat processing of metals
CN108998183A (en) Smart phone frame synthesis type dia-cutting liquid and preparation method thereof
CN105950268A (en) Metal processing multifunctional lubricating agent containing graphene additive and preparation method of metal processing multifunctional lubricating agent
CN113755231A (en) Environment-friendly lubricant for hot stamping and preparation and use method thereof
US2957825A (en) Powdered soap lubricant containing inorganic sulfur salts
EP2243820B1 (en) Process for manufacturing seamless steel pipe
CN108138327B (en) Steel wire rod excellent in corrosion resistance and appearance after working
CN108456585B (en) Steel pipe drawing reaction oil composition
CN112940836A (en) High-dispersity nano molybdenum disulfide water-based rolling liquid and preparation method thereof
CN110734804A (en) nanometer cutting oil and preparation method and application thereof
CN110616104A (en) High-corrosion-resistance water-based lubricant for plastic working
JP4490119B2 (en) Dry lubricating film forming composition
JP2935954B2 (en) Lubricants for casting and hot working
US5346634A (en) Lubricant composition for hot plastic working
JP5680998B2 (en) Method for forming lubricating film for plastic working
CN105969479B (en) A kind of preparation method of lubricating oil high abrasion Anti-oxidized Graphite Material
KR101156399B1 (en) Surface lubrication treatment material for hot and constant temperature pozing process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination