CN105400581A - High-temperature-forging-resistant nanometer tungsten disulfide isothermal die forging lubricant and preparation method thereof - Google Patents
High-temperature-forging-resistant nanometer tungsten disulfide isothermal die forging lubricant and preparation method thereof Download PDFInfo
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- CN105400581A CN105400581A CN201510845336.2A CN201510845336A CN105400581A CN 105400581 A CN105400581 A CN 105400581A CN 201510845336 A CN201510845336 A CN 201510845336A CN 105400581 A CN105400581 A CN 105400581A
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Abstract
The invention discloses a high-temperature-forging-resistant nanometer tungsten disulfide isothermal die forging lubricant which is prepared from the following raw materials in parts by weight: 7.4-7.6 parts of poly-alpha-olefin PAO6, 0.2-0.25 part of a silane coupling agent kh560, 7.6-8 parts of nanometer tungsten disulfide, 0.8-1 part of nanometer carbon spheres, 0.8-1 part of nanometer bentonite, 1-1.2 parts of Span-80, 0.4-0.5 part of butyl acrylate, 0.6-0.8 part of methyl acrylate, 0.1-0.2 part of ammonium persulfate, 1-1.2 parts of nanometer cordierite powder, 0.4-0.5 part of triethanolamine borate, 0.3-0.4 part of clay, 0.8-0.9 part of aluminum nitride and the balance of water, wherein the total mass of the raw materials is 100. Through utilization of the nanometer cordierite powder, triethanolamine borate, the clay and aluminum nitride, the high-temperature durability and viscosity control of the lubricant can be ensured, and the suspension effect and the high-temperature durability are improved.
Description
Technical field
The present invention relates to aluminium section bar forging lubricating fluid technical field, particularly relate to a kind of high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant and preparation method thereof.
Background technology
Isothermal die forging process be when making mould and workpiece keep isothermal with slower forming speed to realize the method for die-forging forming, because workpiece is at high temperature out of shape with lower strain rate, deformable material can abundant recrystallize, thus the impact of work hardening can be overcome, therefore, formed machining complex structure, part that intensity is high is very suitable for.In die-forging forming process, friction can hinder metal flow, and forging and stamping load is raised, and consumes energy of deformation, causes workpiece uneven microstructure, and impression fills type and is discontented with, and reduces die life, so, must make with lubricator.At present, the lubricant type for hot closed-die forging on market is single, is mainly graphite base lubricant.Graphite has good high temperature lubrication property, but graphite is the good conductor of heat, and its heat preservation and insulation is poor, and graphite is poor at the adhesion property of metallic surface, and these all govern the application of oildag in isothermal die forging process.WS2 (tungsten disulfide) be a kind of similar in the lamellar solid lubrication material of graphite, there is excellent high temperature resistant, anti-extreme pressure energy, good to the adsorptive power of metallic surface, and thermal conductivity is lower.WS2 is applied to the lubrication of U.S. sailor space ship key position the earliest, and the author uses it in recent years and prepares high temperature extreme pressure grease, energy-saving engine oil, achieves good effect." preparation and application of water-base nano WS2 isothermal die forging process lubricant " have prepared a kind of water-base nano WS2 lubricant being suitable for isothermal die forging process, and be applied in the isothermal forging process of high strength alumin ium alloy, the water-base nano WS2 lubricant obtained is fine and close at die material surface filming, even particle distribution, during die forging, required forging force is lower, during the demoulding, required knockout press is lower, and without glutinous mould, overlap and seminess, integrated application effect is better than colloidal graphite mixed with water and oil base oildag.
But this lubricant exists poor to the bonding force of metal; easily make metallic surface exposed; easily squeeze and hinder aluminium section bar; suspension is poor; easy generation precipitation, the problems such as frictional coefficient is higher, and film forming speed is slower; also have thermotolerance, planarization, germ resistance to need to improve, and also need to improve to metallic surface protective value.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant, be made up of the raw material of following weight part: polyalphaolefin PAO67.4-7.6, silane coupling agent kh5600.2-0.25, nano tungsten disulfide 7.6-8, nano carbon microsphere 0.8-1, nano-bentonite 0.8-1, Span-801-1.2, butyl acrylate 0.4-0.5, methyl acrylate 0.6-0.8, ammonium persulphate 0.1-0.2, nanometer cordierite powder 1-1.2, triethanolamine borate 0.4-0.5, clay 0.3-0.4, aluminium nitride 0.8-0.9, surplus are water, and raw material total mass is 100.
The preparation method of described high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant, comprises the following steps:
(1) by water-soluble for silane coupling agent kh560, stir, add nano tungsten disulfide, nanometer cordierite powder, clay, aluminium nitride, ultrasonic agitation is even, then adds nano carbon microsphere, and ultrasonic agitation is even, obtains mixture;
(2) polyalphaolefin PAO is mixed with nano-bentonite, add Span-80, stir, obtain mixture;
(3) by the mixing of materials that (1) step and (2) step obtain, stir, add butyl acrylate, methyl acrylate, be heated to 67-72 DEG C, stirring reaction 30-40 minute, then add other remaining components, continue stirring reaction 20-30 minute, to obtain final product.
Advantage of the present invention is: lubricating fluid of the present invention is by using nano-bentonite and acrylate, improve the suspension of lubricating fluid, 72 hours without caking turbidity and precipitation phenomenon, improve the adhesion property with metal, reduce hole, prevent from squeezing and hinder workpiece, by using nano carbon microsphere, reduce tungsten disulfide and metal reaction, improve lubrication persistence; By comprehensively using nanometer cordierite powder, triethanolamine borate, clay, aluminium nitride; high-temperature and durable and the viscosity controller of protecting lubricant can be guaranteed; improve suspension effect and the high-temperature and durable of lubricating fluid; under the high temperature conditions metallic surface is shielded, make the aluminium shape surface light forged.
Embodiment
A kind of high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant, be made up of the raw material of following weight part (kilogram): polyalphaolefin PAO67.4, silane coupling agent kh5600.2, nano tungsten disulfide 7.6, nano carbon microsphere 0.8, nano-bentonite 0.8, Span801, butyl acrylate 0.4, methyl acrylate 0.6, ammonium persulphate 0.1, nanometer cordierite powder 1, triethanolamine borate 0.4, clay 0.3, aluminium nitride 0.8, surplus are water, raw material total mass is 100.
The preparation method of described high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant, comprises the following steps:
(1) by water-soluble for silane coupling agent kh560, stir, add nano tungsten disulfide, nanometer cordierite powder, clay, aluminium nitride, ultrasonic agitation is even, then adds nano carbon microsphere, and ultrasonic agitation is even, obtains mixture;
(2) polyalphaolefin PAO is mixed with nano-bentonite, add Span, stir, obtain mixture;
(3) by the mixing of materials that (1) step and (2) step obtain, stir, add butyl acrylate, methyl acrylate, be heated to 67 DEG C, stirring reaction 30 minutes, then add other remaining components, continue stirring reaction 20 minutes, to obtain final product.
Experimental data:
Aluminium section bar is observed after spraying, bubble-free, film forming is fine and close, even particle distribution, and without cracking, any surface finish, bonds firm, and particle is fine and close, is linked to be skin at aluminium shape surface, and aluminium section bar non-corroding, very easily clear up, can clear up with cold water;
Frictional coefficient is 0.058, under identical forge speed, uses the forging force of water-base nano WS2 lubricant lower by 1.4 × 10 than the forging force of water-based graphite, oil base graphite
4n, during the demoulding, required knockout press is lower, and without glutinous mould, overlap and seminess;
Suspension is tested: 24h suspension produces without phenomenons such as precipitation, piecemeal and layering boundaries after reaching 100%, 72h.
Claims (2)
1. a high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant, it is characterized in that being made up of the raw material of following weight part: polyalphaolefin PAO67.4-7.6, silane coupling agent kh5600.2-0.25, nano tungsten disulfide 7.6-8, nano carbon microsphere 0.8-1, nano-bentonite 0.8-1, Span-801-1.2, butyl acrylate 0.4-0.5, methyl acrylate 0.6-0.8, ammonium persulphate 0.1-0.2, nanometer cordierite powder 1-1.2, triethanolamine borate 0.4-0.5, clay 0.3-0.4, aluminium nitride 0.8-0.9, surplus are water, and raw material total mass is 100.
2. the preparation method of high temperature resistant forging water-base nano tungsten disulfide isothermal die forging process lubricant according to claim 1, is characterized in that comprising the following steps:
(1) by water-soluble for silane coupling agent kh560, stir, add nano tungsten disulfide, nanometer cordierite powder, clay, aluminium nitride, ultrasonic agitation is even, then adds nano carbon microsphere, and ultrasonic agitation is even, obtains mixture;
(2) polyalphaolefin PAO is mixed with nano-bentonite, add Span-80, stir, obtain mixture;
(3) by the mixing of materials that (1) step and (2) step obtain, stir, add butyl acrylate, methyl acrylate, be heated to 67-72 DEG C, stirring reaction 30-40 minute, then add other remaining components, continue stirring reaction 20-30 minute, to obtain final product.
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Cited By (2)
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CN106118837A (en) * | 2016-07-07 | 2016-11-16 | 合肥市春华起重机械有限公司 | A kind of heat-resisting water base nano tungsten disulfide isothermal die forging process lubricant and preparation method thereof |
CN106190518A (en) * | 2016-07-07 | 2016-12-07 | 合肥市春华起重机械有限公司 | A kind of water-base nano tungsten disulfide isothermal die forging process lubricant improving forging efficiency and preparation method thereof |
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CN1458117A (en) * | 2003-05-16 | 2003-11-26 | 天津大学 | Process for preparing nano cordierite powder |
CN1632081A (en) * | 2004-12-14 | 2005-06-29 | 清华大学 | Nano carbon lubricating additive |
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CN106190518A (en) * | 2016-07-07 | 2016-12-07 | 合肥市春华起重机械有限公司 | A kind of water-base nano tungsten disulfide isothermal die forging process lubricant improving forging efficiency and preparation method thereof |
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