CN116554953B - Wear-resistant antifriction water-dispersible emulsion for titanium alloy surface and application method thereof - Google Patents
Wear-resistant antifriction water-dispersible emulsion for titanium alloy surface and application method thereof Download PDFInfo
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- 239000000839 emulsion Substances 0.000 title claims abstract description 70
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 41
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 41
- 239000006185 dispersion Substances 0.000 claims abstract description 39
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 38
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 34
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 34
- 239000007864 aqueous solution Substances 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000005238 degreasing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 17
- 238000005461 lubrication Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021431 alpha silicon carbide Inorganic materials 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical group O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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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
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
Description
技术领域Technical Field
本发明涉及一种材料技术领域，具体涉及一种钛合金表面抗磨减摩水分散乳液及其使用方法。The invention relates to the technical field of materials, and in particular to a titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion and a use method thereof.
背景技术Background Art
钛合金的广泛应用于航空航天、航海、汽车、能源、化工、生物医用等各个领域。然而，钛合金差的耐磨性和摩擦润滑性并不是很优异，限制了应用领域。改善钛合金摩擦磨损性能一直是技术人员不断努力的方向。Titanium alloys are widely used in aerospace, navigation, automobile, energy, chemical industry, biomedicine and other fields. However, the poor wear resistance and friction lubricity of titanium alloys are not very good, which limits the application field. Improving the friction and wear properties of titanium alloys has always been the direction of continuous efforts of technicians.
摩擦层的滑动条件的优化是一种简单而且实用的抗磨减摩技术。近年来，国内外的一些研究人员在对钛合金干滑动摩擦磨损性能进行进一步探索时有了新的认知，在高温高速等特殊条件下，钛合金表面形成含氧化物的摩擦层，具有保护作用，故钛合金的耐磨性得以改善。Optimizing the sliding conditions of the friction layer is a simple and practical anti-wear and friction reduction technology. In recent years, some researchers at home and abroad have gained new insights into the dry sliding friction and wear properties of titanium alloys. Under special conditions such as high temperature and high speed, a friction layer containing oxides is formed on the surface of the titanium alloy, which has a protective effect, so the wear resistance of the titanium alloy is improved.
然而，这样的保护是不全面的，例如，必须在特定条件下形成这样的氧化物，而在常规条件下几乎不能形成；而且摩擦层的形成是建立在消耗摩擦副基体材料基础之上的，这将造成材料的磨耗；更重要的是抗磨材料的抗磨性，并不总是同时降低摩擦，造成润滑不够。However, such protection is not comprehensive. For example, such oxides must be formed under specific conditions and can hardly be formed under normal conditions. Moreover, the formation of the friction layer is based on the consumption of the friction pair matrix material, which will cause material wear. More importantly, the wear resistance of the anti-wear material does not always reduce friction at the same time, resulting in insufficient lubrication.
中国专利CN201611018013 .7一种抗磨减摩材料，该材料包含抗磨剂33-83％，减摩剂17-67％。其中抗磨剂为三氧化二铁纳米颗粒，减摩剂为多层石墨烯。将两种纳米材料混合搅拌均匀后直接添加到钛合金构件滑动界面即可形成含氧化物自润滑纳米材料。其存在如下不足之处：抗磨材料不能很好的分布在界面上，而且使用多层石墨烯，其润滑能力不够，不能持续发挥减摩抗磨功能。Chinese patent CN201611018013.7 A wear-resistant and friction-reducing material, which contains 33-83% of anti-wear agent and 17-67% of friction reducer. The anti-wear agent is ferric oxide nanoparticles, and the friction reducer is multilayer graphene. The two nanomaterials are mixed and stirred evenly and then directly added to the sliding interface of the titanium alloy component to form an oxide-containing self-lubricating nanomaterial. It has the following shortcomings: the wear-resistant material cannot be well distributed on the interface, and the use of multilayer graphene has insufficient lubrication ability and cannot continuously play the anti-friction and anti-wear function.
发明内容Summary of the invention
为了解决上述技术问题，本发明公开了一种新的钛合金表面抗磨减摩水分散乳液及其使用方法。In order to solve the above technical problems, the present invention discloses a new titanium alloy surface anti-wear and friction reducing water-dispersed emulsion and a use method thereof.
该钛合金表面抗磨减摩水分散乳液技术方案如下：一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述立方碳化硅水分散液中立方碳化硅的质量浓度为30%，聚乙烯醇水溶液中聚乙烯醇的质量浓度为50%，聚四氟乙烯水乳液中聚四氟乙烯的质量浓度为60%，所述水分散乳液各组分的体积为20~30份的立方碳化硅分散液、5~10份的聚乙烯醇溶液、2~3份的聚四氟乙烯乳液，余量为水。The technical scheme of the titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion is as follows: a titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion, comprising a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the mass concentration of the cubic silicon carbide in the cubic silicon carbide water dispersion is 30%, the mass concentration of the polyvinyl alcohol in the polyvinyl alcohol aqueous solution is 50%, and the mass concentration of the polytetrafluoroethylene in the polytetrafluoroethylene water emulsion is 60%, and the volumes of the components of the water-dispersed emulsion are 20-30 parts of the cubic silicon carbide dispersion, 5-10 parts of the polyvinyl alcohol solution, 2-3 parts of the polytetrafluoroethylene emulsion, and the balance is water.
所述立方碳化硅分散液的粉体平均粒径D50为50nm 。The average particle size D50 of the cubic silicon carbide powder dispersion is 50 nm.
所述聚乙烯醇的分子量为12～15万。The molecular weight of the polyvinyl alcohol is 120,000 to 150,000.
优选的，所述水分散乳液各组分的体积含量为15%的立方碳化硅分散液、7%的聚乙烯醇溶液、2.5%的聚四氟乙烯乳液，余量为水。Preferably, the volume contents of the components of the water-dispersed emulsion are 15% cubic silicon carbide dispersion, 7% polyvinyl alcohol solution, 2.5% polytetrafluoroethylene emulsion, and the balance is water.
本发明还提供一种钛合金表面抗磨减摩水分散乳液的使用方法，使用前述的材料，包括以下几个步骤：The present invention also provides a method for using the titanium alloy surface anti-wear and friction reducing water-dispersed emulsion, using the aforementioned materials, comprising the following steps:
（1）钛合金表面进行清洗除油；(1) Clean and degrease the titanium alloy surface;
（2）将钛合金经过硅烷偶联剂KH550处理，烘干备用；(2) Treat the titanium alloy with silane coupling agent KH550 and dry it for later use;
（3）将处理好的钛合金，表面浸润配置好的乳液；(3) Infiltrating the surface of the treated titanium alloy into the prepared emulsion;
（4）浸润的乳液经过烘干处理，干燥后即可使用。(4) The soaked emulsion is dried and can be used after drying.
优选的，所述浸润时间不少于5min。Preferably, the infiltration time is not less than 5 minutes.
优选的，所述干燥的温度为100~150摄氏度。Preferably, the drying temperature is 100-150 degrees Celsius.
有益效果Beneficial Effects
本发明使用的全部材料均为水性乳液状态，无有机溶剂污染。All materials used in the present invention are in the state of aqueous emulsion without organic solvent pollution.
本发明在钛合金表浸润水性乳液干燥后，立方碳化硅作为耐磨材料，聚四氟乙烯作为润滑材料，可以起到较好的抗磨减摩使用，聚乙烯醇作为填充材料可以填充在缝隙中，起到辅助润滑的作用，同时也可以粘附包裹粉体，延长了起效时间。After the titanium alloy surface is infiltrated with an aqueous emulsion and dried, cubic silicon carbide is used as a wear-resistant material and polytetrafluoroethylene is used as a lubricating material to achieve good anti-wear and friction reduction. Polyvinyl alcohol is used as a filling material to fill the gap and play a role in auxiliary lubrication. At the same time, it can also adhere to and wrap the powder, thereby prolonging the effective time.
本发明相比其它复杂的表面处理方法，使用方法十分方便，也不需要复杂的设备，施工时只要浸润、干燥就能够起效。Compared with other complicated surface treatment methods, the present invention is very convenient to use and does not require complicated equipment. It can be effective as long as it is soaked and dried during construction.
具体实施方式DETAILED DESCRIPTION
下面以具体实施方式为例，进一步解释本发明的技术方案内容。The following uses a specific implementation example to further explain the technical solution of the present invention.
下述实验采用立方碳化硅水分散液，质量浓度为30%，为市售的标准产品，所述立方碳化硅也就是β-SiC，属立方晶系(金刚石晶型),相对于常见的碳化硅微粉α-SiC有更佳的耐摩擦性能，D50为50 nm。The following experiment uses a cubic silicon carbide aqueous dispersion with a mass concentration of 30%, which is a standard product available on the market. The cubic silicon carbide is also β-SiC, which belongs to the cubic crystal system (diamond crystal form). Compared with the common silicon carbide micropowder α-SiC, it has better friction resistance, and D50 is 50 nm.
采用的聚乙烯醇水溶液是自行配置的高分子溶液，所述聚乙烯醇的分子量为12～15万，配置方法是加入固定重量聚乙烯醇，按照固含量配比加入水，加热水升温至95摄氏度，然后持续搅拌，将聚乙烯溶解在热水中，质量浓度为50%。The polyvinyl alcohol aqueous solution used is a self-prepared polymer solution. The molecular weight of the polyvinyl alcohol is 120,000 to 150,000. The preparation method is to add a fixed weight of polyvinyl alcohol, add water according to the solid content ratio, heat the water to 95 degrees Celsius, and then continue stirring to dissolve the polyethylene in the hot water with a mass concentration of 50%.
聚四氟乙烯水乳液为市售的标准产品，质量浓度为60%。The polytetrafluoroethylene aqueous emulsion is a commercially available standard product with a mass concentration of 60%.
实施例1Example 1
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为30%的立方碳化硅分散液、10%的聚乙烯醇溶液、2%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 30% of the cubic silicon carbide dispersion, 10% of the polyvinyl alcohol solution, 2% of the polytetrafluoroethylene emulsion, and the balance is water.
实施例2Example 2
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为20%的立方碳化硅分散液、10%的聚乙烯醇溶液、3%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 20% of the cubic silicon carbide dispersion, 10% of the polyvinyl alcohol solution, 3% of the polytetrafluoroethylene emulsion, and the balance is water.
实施例3Example 3
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为17%的立方碳化硅分散液、4%的聚乙烯醇溶液、2.5%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 17% of the cubic silicon carbide dispersion, 4% of the polyvinyl alcohol solution, 2.5% of the polytetrafluoroethylene emulsion, and the balance is water.
实施例4Example 4
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为15%的立方碳化硅分散液、7%的聚乙烯醇溶液、2.5%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 15% of the cubic silicon carbide dispersion, 7% of the polyvinyl alcohol solution, 2.5% of the polytetrafluoroethylene emulsion, and the balance is water.
对比例1Comparative Example 1
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为15%的立方碳化硅分散液、7%的聚乙烯醇溶液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 15% of the cubic silicon carbide dispersion, 7% of the polyvinyl alcohol solution, and the balance is water.
对比例2Comparative Example 2
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为7%的聚乙烯醇溶液、2.5%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 7% polyvinyl alcohol solution, 2.5% polytetrafluoroethylene emulsion, and the balance is water.
对比例3Comparative Example 3
一种钛合金表面抗磨减摩水分散乳液，包含有立方碳化硅水分散液、聚乙烯醇水溶液和聚四氟乙烯水乳液，所述水分散乳液各组分的体积含量为15%的立方碳化硅分散液、2.5%的聚四氟乙烯乳液，余量为水。A titanium alloy surface anti-wear and friction-reducing water-dispersed emulsion comprises a cubic silicon carbide water dispersion, a polyvinyl alcohol aqueous solution and a polytetrafluoroethylene water emulsion, wherein the volume content of each component of the water-dispersed emulsion is 15% of the cubic silicon carbide dispersion, 2.5% of the polytetrafluoroethylene emulsion, and the balance is water.
将上述实施例和对比例中的配置好的钛合金表面抗磨减摩水分散乳液备用，使用时，按照下列步骤进行：The titanium alloy surface anti-wear and friction reducing water dispersion emulsion prepared in the above embodiment and comparative example is set aside for use. When used, the following steps are followed:
（1）钛合金表面进行清洗除油；(1) Clean and degrease the titanium alloy surface;
（2）将钛合金经过硅烷偶联剂KH550处理，烘干备用；(2) Treat the titanium alloy with silane coupling agent KH550 and dry it for later use;
（3）将处理好的钛合金，表面浸润配置好的乳液；(3) Infiltrating the surface of the treated titanium alloy into the prepared emulsion;
（4）浸润的乳液经过烘干处理，干燥后即可使用。(4) The soaked emulsion is dried and can be used after drying.
浸润时间不少于5min，浸润完之后干燥的温度为100~150摄氏度。The soaking time is no less than 5 minutes, and the drying temperature after soaking is 100~150 degrees Celsius.
测试过程：采用MPX-2000型盘销式摩擦磨损试验机对本发明在TC11合金在干滑动摩擦磨损中的实际应用效果进行测试。试验规范确定如下：销试样为Φ5×23 mm2的TC11合金；盘试样为Φ34× 10mm2的GCr15轴承钢，硬度为50 HRC；滑动速度为0 .5 m/s；滑动距离为800-4000 m，间隔为800 m；载荷为100 N。摩擦系数值由试验机配套软件每隔0 .001 s自动读出。Test process: The MPX-2000 disc pin friction and wear tester was used to test the actual application effect of the present invention on TC11 alloy in dry sliding friction and wear. The test specifications are as follows: the pin sample is TC11 alloy with a size of Φ5×23 mm2; the disc sample is GCr15 bearing steel with a size of Φ34×10 mm2 and a hardness of 50 HRC; the sliding speed is 0.5 m/s; the sliding distance is 800-4000 m, with an interval of 800 m; and the load is 100 N. The friction coefficient value is automatically read out by the supporting software of the tester every 0.001 s.
实验结果分析结论：Experimental results analysis conclusion:
对比例2，只添加聚乙烯醇和聚四氟乙烯时，TC11合金磨损率比未添加时还高，摩擦系数在极短时间内保持较低值，而后上升至未添加时的水平。In comparative example 2, when only polyvinyl alcohol and polytetrafluoroethylene are added, the wear rate of the TC11 alloy is higher than that when no addition is made, and the friction coefficient remains at a low value for a very short time, and then rises to the level when no addition is made.
对比例1，只添加立方碳化硅和聚乙烯醇时，磨损率比对比例2略低，优于不添加任何材料，摩擦系数在滑动距离约150 m内升至很高，而后下降至未添加时的水平。In comparative example 1, when only cubic silicon carbide and polyvinyl alcohol are added, the wear rate is slightly lower than that of comparative example 2, which is better than that without adding any material. The friction coefficient rises to a very high level within a sliding distance of about 150 m, and then drops to the level when no material is added.
当添加纳米混合材料时，磨损率和摩擦系数在一定滑动距离范围内保持极低值，随后有所上升。特别地，按照实施例4的配方，直至4000 m，磨损率和摩擦系数始终保持极低，对其进行补充测试，发现直至8800 m，磨损率才逐渐开始上升。究其原因，当添加纳米材料时， 钛合金表面将形成摩擦层，其组成取决于纳米材料的组分。只添加聚四氟乙烯，摩擦层不具承载能力，短时间内即发生破坏。只添加立方碳化硅，摩擦层虽具有一定承载能力，但其润滑性较差，表现为滑动开始一段时间内摩擦系数较高，故在100 N高载下因剪切应力而在较短时间内即发生破坏。When adding nano hybrid materials, the wear rate and friction coefficient remain extremely low within a certain sliding distance range, and then rise. In particular, according to the formula of Example 4, until 4000 m, the wear rate and friction coefficient remain extremely low, and additional tests are performed on it, and it is found that until 8800 m, the wear rate gradually begins to rise. The reason is that when adding nano materials, a friction layer will be formed on the surface of the titanium alloy, and its composition depends on the components of the nano materials. Only adding polytetrafluoroethylene, the friction layer does not have load-bearing capacity, and damage occurs in a short time. Only adding cubic silicon carbide, although the friction layer has a certain load-bearing capacity, its lubricity is poor, which is manifested as a higher friction coefficient within a period of time when sliding begins, so damage occurs in a relatively short time due to shear stress under a high load of 100 N.
对比例3显示，减摩和抗磨组分都添加，但是未添加聚乙烯醇，两种材料的间隙没有填充物和固定物，可持续性不够，导致合金的摩擦磨损性能，比实施例4差，2000m开始，磨损率就逐渐上升。Comparative Example 3 shows that both the friction reducing and anti-wear components are added, but polyvinyl alcohol is not added. There is no filler or fixing in the gap between the two materials, and the sustainability is insufficient, resulting in the friction and wear performance of the alloy being worse than that of Example 4. Starting from 2000 m, the wear rate gradually increases.
当添加聚乙烯醇时，填充和包覆在两种材料之间，都可促使摩擦层在高载下长时间保持稳定，持续性显著增强，钛合金具有更为优异的摩擦磨损性能。When polyvinyl alcohol is added, filled and coated between the two materials, the friction layer can remain stable for a long time under high load, and the sustainability is significantly enhanced, so that the titanium alloy has more excellent friction and wear properties.
然而，减摩组分也并非越多越好，实施例2添加较多的聚乙烯醇，摩擦层因不具承载能力而不能改善钛合金的摩擦磨损性能。因此，抗磨组分和减摩材料的比例要恰当，只有当摩擦层具有足够承载能力时，才能优化其润滑性。 故纳米混合材料中减摩、抗磨组分间的配比具有一个较优的范围，耐磨抗摩擦的综合性能，实施例4优于实施例3优于实施例1优于实施例2。实施例4为最优实施例。However, the more anti-friction components, the better. In Example 2, more polyvinyl alcohol is added, and the friction layer cannot improve the friction and wear properties of the titanium alloy because it has no load-bearing capacity. Therefore, the ratio of anti-wear components and anti-friction materials should be appropriate. Only when the friction layer has sufficient load-bearing capacity can its lubricity be optimized. Therefore, the ratio between the anti-friction and anti-wear components in the nano-hybrid material has a better range. In terms of the comprehensive performance of wear resistance and anti-friction, Example 4 is better than Example 3, Example 1, and Example 2. Example 4 is the best example.
上述实施例为本发明的几种较佳的实施方式，本发明的保护范围以权利要求书的记载为准。The above embodiments are several preferred implementations of the present invention, and the protection scope of the present invention shall be subject to the description of the claims.
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Inventor after: Zhou Yin Inventor after: Chen Ziyang Inventor after: Guo Hongliu Inventor after: Zhang Miaorong Inventor before: Chen Ziyang Inventor before: Zhou Yin Inventor before: Guo Hongliu Inventor before: Zhang Miaorong |