CN104058788B - A kind of in-situ rapid renovation material for plasma spraying ceramic coat - Google Patents
A kind of in-situ rapid renovation material for plasma spraying ceramic coat Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 82
- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 38
- 238000007750 plasma spraying Methods 0.000 title claims abstract description 13
- 238000009418 renovation Methods 0.000 title 1
- 230000008439 repair process Effects 0.000 claims abstract description 118
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- 239000011248 coating agent Substances 0.000 claims abstract description 52
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- 239000007822 coupling agent Substances 0.000 claims abstract description 26
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- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000011780 sodium chloride Substances 0.000 claims abstract description 8
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- 150000008117 polysulfides Polymers 0.000 claims description 9
- 239000008199 coating composition Substances 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
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- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
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- 239000007788 liquid Substances 0.000 description 4
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- 238000005065 mining Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
一种用于等离子喷涂陶瓷涂层的原位快速修复材料，该修复材料由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成，A、B、C、D的质量配比为：100：20~35：2：20~25；其中A为环氧树脂型胶粘剂，成分为：45wt.%的600环氧树脂、35wt.%的601环氧树脂和20wt.%的低分子聚硫橡胶；B选用与陶瓷喷涂层成分一致的陶瓷粉末；C为KH-550硅烷偶联剂；D成分包括92wt.%的703固化剂和8wt.%的K-54促进剂。涂层修复后的设备或零部件既可满足应急的需要，也可在长时间内正常使用。修复后的修复层与原涂层结合强度不低于27MPa，修复涂层耐5vol.%NaCl溶液的腐蚀性与原涂层相当。
An in-situ rapid repair material for plasma spraying ceramic coating, the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, the mass ratio of A, B, C, D is : 100: 20~35: 2: 20~25; where A is an epoxy resin adhesive, the composition is: 45wt.% of 600 epoxy resin, 35wt.% of 601 epoxy resin and 20wt.% of low molecular weight polymer Sulfur rubber; B selects ceramic powder consistent with the composition of the ceramic spray coating; C is KH-550 silane coupling agent; D component includes 92wt.% of 703 curing agent and 8wt.% of K-54 accelerator. The equipment or parts after coating repair can not only meet the emergency needs, but also can be used normally for a long time. The bonding strength between the repaired repair layer and the original coating is not less than 27MPa, and the corrosion resistance of the repair coating to 5vol.% NaCl solution is equivalent to that of the original coating.
Description
技术领域 technical field
本发明涉及一种用于等离子喷涂陶瓷涂层的原位快速修复材料，属于材料表面修复技术领域。本发明主要用于含等离子喷涂陶瓷涂层的设备或零部件的原位快速修复，修复后的设备或零部件既可满足应急工作的需要，也可在一定工作时间内正常使用。 The invention relates to an in-situ rapid repair material for plasma spraying ceramic coating, belonging to the technical field of material surface repair. The invention is mainly used for in-situ rapid repair of equipment or parts containing plasma sprayed ceramic coatings. The repaired equipment or parts can meet the needs of emergency work and can also be used normally within a certain working time.
背景技术 Background technique
借助等离子喷涂技术在工件表面制备陶瓷涂层，可赋予工件表面具有高硬度、耐磨性、耐腐蚀性等不同物理化学特性，满足苛刻的工作条件要求。等离子喷涂陶瓷涂层已在化工、矿山、航天、水利等工程领域得到广泛应用。但等离子喷涂陶瓷涂层与工件基体主要呈机械结合，结合强度低，这是等离子喷涂技术的特点决定的。工件在搬运、安装和工作过程中一旦受到冲击，陶瓷涂层易产生破损或剥落，必须及时更换或修复。但很多工件都需要定制，更换等待即意味着停工停产；而传统的一些涂层修复技术，需要将零件从设备上拆卸下来，在很大程度上影响了工件的正常使用。因此，采用一种原位快速修复技术，迅速有效地修复等离子喷涂陶瓷涂层破损，且修复层与陶瓷涂层的结合强度及修复层的其它性能达到陶瓷涂层的使用要求，使修复后的工件可应急使用，甚至可在一定时间内长期使用，在涂层工件应用的提高效率、降低成本等方面具有重要意义。 The preparation of ceramic coating on the surface of the workpiece by means of plasma spraying technology can endow the surface of the workpiece with different physical and chemical properties such as high hardness, wear resistance, and corrosion resistance, and meet the requirements of harsh working conditions. Plasma sprayed ceramic coatings have been widely used in chemical engineering, mining, aerospace, water conservancy and other engineering fields. However, the plasma sprayed ceramic coating is mainly mechanically combined with the workpiece substrate, and the bonding strength is low, which is determined by the characteristics of the plasma spraying technology. Once the workpiece is impacted during handling, installation and work, the ceramic coating is easily damaged or peeled off, and must be replaced or repaired in time. However, many workpieces need to be customized, and waiting for replacement means stoppage of work and production; while some traditional coating repair technologies require the parts to be disassembled from the equipment, which greatly affects the normal use of the workpiece. Therefore, an in-situ rapid repair technology is used to quickly and effectively repair the damage of the plasma sprayed ceramic coating, and the bonding strength between the repair layer and the ceramic coating and other properties of the repair layer meet the requirements of the ceramic coating, so that the repaired The workpiece can be used in an emergency or even for a long time within a certain period of time, which is of great significance in improving the efficiency and reducing the cost of the application of coated workpieces.
表面粘涂技术作为一种表面功能化和修复技术，已在很多领域得到广泛应用。如北京天山新材料技术公司开发的可赛新工业修补剂，其拉伸强度达到45.3MPa，剪切强度为28.5MPa，适于修补铸件缺陷；及零件磨损、断裂的修复（汪德浩，岳大伦等. 可赛新TS311减摩修补剂修补直流电机的应用[J]. 矿山机械. 2005, 33(1):96~97）。Martin等采用环氧树脂并加入丙烯酸酯单体、混合胺类固化剂，及端胺基丁腈橡胶(ATBN)制备的表面粘接剂，有效地改善了修复剂的耐冲击性和韧性，获得了室温固化快速修复材料（Martin, Laura lee. Structural modified epoxy adhesive compositions[P].US Patent6, 572, 971. 2003）。 As a surface functionalization and repair technology, surface adhesive coating technology has been widely used in many fields. For example, the Kesaixin industrial repair agent developed by Beijing Tianshan New Material Technology Co., Ltd. has a tensile strength of 45.3MPa and a shear strength of 28.5MPa, which is suitable for repairing casting defects; and repairing parts wear and fracture (Wang Dehao, Yue Dalun, etc. Application of Kesaixin TS311 anti-friction repair agent to repair DC motor [J]. Mining Machinery. 2005, 33(1):96~97). Martin et al. used epoxy resin and added acrylate monomer, mixed amine curing agent, and surface adhesive prepared by amino-terminated nitrile rubber (ATBN), which effectively improved the impact resistance and toughness of the repair agent, and obtained Room temperature curing rapid repair materials (Martin, Laura lee. Structural modified epoxy adhesive compositions [P]. US Patent6, 572, 971. 2003).
但用于等离子喷涂陶瓷涂层的原位快速修复材料，要求修复材料具有原位快速修复、修复层与陶瓷涂层结合强度高、修复层与陶瓷涂层物理化学相容性好、修复层性能满足工件耐磨、耐蚀等特殊功能要求。表面粘涂技术中常用的有机胶粘剂在与涂层的物理化学相容性方面较差、很难满足工件耐磨、耐蚀等特殊要求，且耐热、耐冲击性差、易老化、寿命低；而无机胶粘剂与陶瓷涂层结合强度差、修复效率低。因此，针对受损的等离子喷涂陶瓷涂层工件，目前主要采用的大多是借助喷涂、堆焊等较复杂的修复处理技术甚至更换工件。 However, in-situ rapid repair materials for plasma sprayed ceramic coatings require the repair materials to have in-situ rapid repair, high bonding strength between the repair layer and the ceramic coating, good physical and chemical compatibility between the repair layer and the ceramic coating, and good performance of the repair layer. Meet the special functional requirements of the workpiece such as wear resistance and corrosion resistance. The organic adhesives commonly used in surface adhesion coating technology have poor physical and chemical compatibility with the coating, and it is difficult to meet the special requirements of workpiece wear resistance and corrosion resistance, and they have poor heat resistance, impact resistance, easy aging, and low service life; However, the bonding strength between the inorganic adhesive and the ceramic coating is poor, and the repair efficiency is low. Therefore, for damaged plasma-sprayed ceramic-coated workpieces, most of the current methods are to rely on more complicated repair techniques such as spraying and surfacing welding, or even replace the workpiece.
发明内容 Contents of the invention
本发明的目的是提供一种用于等离子喷涂陶瓷涂层的原位快速修复材料，修复材料由胶粘剂、陶瓷骨料、偶联剂和固化剂共同构成。通过对修复材料进行合理成分设计，修复材料既包括满足粘接结合强度、原位快速修复等需要的有机组分，又包括与陶瓷涂层成分一致、满足修复材料与涂层物理化学相容性的无机组分，使修复材料能够对破损的等离子喷涂陶瓷涂层进行快速原位修复。修复层与原涂层结合强度不低于27MPa，修复涂层耐5 vol.% NaCl溶液的腐蚀性与原涂层耐腐蚀性相当。修复后，含涂层的设备或零部件既可满足应急工作的需要，也可在一定工作时间内正常使用。 The object of the present invention is to provide an in-situ rapid repair material for plasma spraying ceramic coating, the repair material is composed of adhesive, ceramic aggregate, coupling agent and curing agent. Through reasonable composition design of the repair material, the repair material not only includes organic components that meet the needs of bonding strength and in-situ rapid repair, but also includes components that are consistent with the ceramic coating and meet the physical and chemical compatibility between the repair material and the coating. The inorganic components of the repair material enable rapid in-situ repair of damaged plasma sprayed ceramic coatings. The bonding strength between the repaired layer and the original coating is not less than 27MPa, and the corrosion resistance of the repaired coating to 5 vol.% NaCl solution is equivalent to that of the original coating. After repairing, the coated equipment or parts can meet the needs of emergency work, and can also be used normally within a certain working time.
本发明的目的是通过以下的技术方案来实现的： The purpose of the present invention is achieved by the following technical solutions:
一种用于等离子喷涂陶瓷涂层的原位快速修复材料，其特征在于该修复材料的成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D所组成；其中胶粘剂A为环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂、35 wt.%的601环氧树脂和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B选用与陶瓷喷涂层成分一致的陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分为92 wt.%的703固化剂和8 wt.%的K-54促进剂。 An in-situ rapid repair material for plasma spraying ceramic coating, characterized in that the repair material consists of adhesive A, ceramic aggregate B, coupling agent C and curing agent D; wherein adhesive A is epoxy Resin adhesive, the specific components are: 45 wt.% of 600 epoxy resin, 35 wt.% of 601 epoxy resin and 20 wt.% of low molecular weight polysulfide rubber with a relative molecular weight of 800~1000; ceramic aggregate B The ceramic powder with the same composition as the ceramic spray coating is selected; the coupling agent C is KH-550 silane coupling agent; the curing agent D is composed of 92 wt.% 703 curing agent and 8 wt.% K-54 accelerator.
所述的原位快速修复材料，其特征在于所述的胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D的质量配比为：100：20~35：2：20~25。 The in-situ rapid repair material is characterized in that the mass ratio of the adhesive A, ceramic aggregate B, coupling agent C and curing agent D is: 100:20~35:2:20~25.
所述的原位快速修复材料，其特征在于所述的修复材料对陶瓷涂层修复后，修复层与原涂层结合强度不低于27MPa，修复涂层耐5 vol.% NaCl溶液的腐蚀性与原涂层耐腐蚀性相当。 The in-situ rapid repair material is characterized in that after the repair material repairs the ceramic coating, the bonding strength between the repair layer and the original coating is not less than 27MPa, and the repair coating is resistant to the corrosion of 5 vol.% NaCl solution Corrosion resistance equivalent to that of the original coating.
所述的等离子喷涂陶瓷涂层的原位快速修复材料的制备方法，其制备步骤如下： The preparation method of the in-situ rapid repair material of the plasma sprayed ceramic coating, its preparation steps are as follows:
（1）修复材料的配方：修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成，陶瓷骨料B与等离子喷涂陶瓷涂层成分一致， A、B、C、D的质量配比为：100：20~35：2：20~25；其中胶粘剂A为市售环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B选用与陶瓷喷涂层成分一致的陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂； (1) The formula of the repair material: the composition of the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, ceramic aggregate B is consistent with the composition of the plasma sprayed ceramic coating, A, B, C, D The mass ratio is: 100:20~35:2:20~25; the adhesive A is a commercially available epoxy resin adhesive, and the specific composition is: 45 wt.% of 600 epoxy resin (epoxy value = 1.2) , 35 wt.% of E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% of low-molecular polysulfide rubber with a relative molecular weight of 800-1000; the ceramic aggregate B is selected from the composition of the ceramic spray coating Consistent ceramic powder; coupling agent C is KH-550 silane coupling agent; curing agent D includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator;
（2）修复材料的配制：分别在胶粘剂A组分中按制备步骤（1）所述的配方比例加入与待修复陶瓷涂层成分一致的陶瓷骨料B和偶联剂C，并在室温搅拌均匀，获得所需的环氧树脂胶粘液，再按制备步骤（1）所述的配方比例加入固化剂D并在室温搅拌均匀，获得需要的修复材料（流程如附图1）； (2) Preparation of repairing materials: add ceramic aggregate B and coupling agent C which are consistent with the composition of the ceramic coating to be repaired in component A of the adhesive according to the formula ratio described in the preparation step (1), and stir at room temperature Uniformly, obtain the required epoxy resin adhesive liquid, then add curing agent D according to the formula ratio described in the preparation step (1) and stir evenly at room temperature to obtain the required repair material (the process is shown in Figure 1);
（3）待修复等离子喷涂陶瓷涂层的表面处理：将待修复部位进行表面预处理，包括砂纸打磨除锈、喷砂粗化、丙酮清洗脱脂、干燥等，随后将制备步骤（1）所述的固化剂D配成质量比为4%的溶液（质量比为4%的固化剂D、95％的无水乙醇和1%的纯净水），将溶液涂覆于修复部分，在室温下自然干燥； (3) Surface treatment of the plasma sprayed ceramic coating to be repaired: the surface pretreatment of the part to be repaired, including sanding, rust removal, sandblasting, acetone cleaning, degreasing, drying, etc., and then the preparation step (1) The curing agent D is made into a solution with a mass ratio of 4% (curing agent D with a mass ratio of 4%, 95% absolute ethanol and 1% pure water), and the solution is applied to the repaired part, and it is naturally cured at room temperature. dry;
（4）等离子喷涂陶瓷涂层的修复：将按制备步骤（2）所述刚配制好的修复材料均匀涂覆在待修复涂层破损处，并在室温下待其快速固化，在完全固化前修整修复表面，保持修复面尺寸符合工件要求，完全固化后用细砂纸打磨修复面即可。 (4) Repair of plasma sprayed ceramic coating: evenly apply the repair material prepared according to the preparation step (2) on the damaged part of the coating to be repaired, and wait for it to cure rapidly at room temperature. Trim the repaired surface, keep the size of the repaired surface to meet the requirements of the workpiece, and polish the repaired surface with fine sandpaper after it is completely cured.
所述的等离子喷涂陶瓷涂层的原位快速修复材料，修复层与涂层的结合强度按美国材料试验协会热喷涂涂层结合强度标准ASTMC633-2001对偶试样拉伸法进行测试，浸泡腐蚀试验参照《金属覆盖层实验室全浸腐蚀试验标准》(JB/T6073-92)和《腐蚀试样的制备、清洗和评定标准》(JB/T6074-92)标准进行制样、测试。 The in-situ rapid repair material of the plasma sprayed ceramic coating, the bonding strength of the repair layer and the coating is tested according to the American Society for Testing Materials thermal spray coating bonding strength standard ASTMC633-2001 dual sample tensile method, immersion corrosion test Sample preparation and testing were carried out referring to the Standards for Total Immersion Corrosion Test of Metal Covering Laboratory (JB/T6073-92) and the Standards for Preparation, Cleaning and Evaluation of Corrosion Samples (JB/T6074-92).
本发明的有益效果： Beneficial effects of the present invention:
提供一种用于等离子喷涂陶瓷涂层的原位快速修复材料，修复材料适用于含等离子喷涂陶瓷涂层的设备或零部件。涂层因表面局部破损、剥落或产生缺陷等而无法工作或工作效率受到影响，可借助本修复材料进行涂层表面原位快速固化修复。本发明通过对修复材料合理成分设计，修复材料既包括满足粘接结合强度、原位快速修复等需要的有机组分，又包括与陶瓷涂层成分一致、满足修复材料与涂层物理化学相容性的无机组分，使修复材料能够对破损的等离子喷涂陶瓷涂层进行快速原位修复。修复层与原涂层结合强度不低于27MPa，修复涂层耐5 vol.% NaCl溶液的腐蚀性与原涂层耐腐蚀性相当。修复后，含涂层的设备或零部件既可满足应急工作的需要，也可在一定工作时间内正常使用。 An in-situ rapid repair material for plasma sprayed ceramic coating is provided, and the repair material is suitable for equipment or parts with plasma sprayed ceramic coating. The coating cannot work or the work efficiency is affected due to local damage, peeling or defects on the surface. This repair material can be used for in-situ rapid curing of the coating surface. The present invention designs the repair material rationally. The repair material not only includes organic components that meet the needs of bonding strength and in-situ rapid repair, but also includes components that are consistent with the composition of the ceramic coating and satisfy the physical and chemical compatibility between the repair material and the coating. The non-toxic inorganic components enable the repair material to perform rapid in-situ repair of damaged plasma sprayed ceramic coatings. The bonding strength between the repaired layer and the original coating is not less than 27MPa, and the corrosion resistance of the repaired coating to 5 vol.% NaCl solution is equivalent to that of the original coating. After repairing, the coated equipment or parts can meet the needs of emergency work, and can also be used normally within a certain working time.
附图说明 Description of drawings
图1：等离子喷涂陶瓷涂层的原位快速修复材料的制备流程简图 Figure 1: Schematic diagram of the preparation process of in-situ rapid repair materials with plasma sprayed ceramic coatings
图2：用等离子喷涂陶瓷涂层的原位快速修复材料修复后的修复层与基体结合的显微形貌图。（底部为修复材料，上部为基体材料） Figure 2: The microscopic image of the repair layer combined with the substrate after repairing with the in-situ rapid repair material of the plasma sprayed ceramic coating. (The bottom is the restoration material, the upper part is the base material)
具体实施方式 Detailed ways
本发明通过如下措施来实现： The present invention realizes by following measures:
实施例1： Example 1:
一种用于等离子喷涂Cr2O3-8wt.%TiO2陶瓷涂层的原位快速修复材料，其特征在于，修复材料适用于含等离子喷涂Cr2O3-8wt.%TiO2涂层的设备或零部件，因涂层表面局部破损、剥落或产生缺陷等而无法工作或工作效率受到影响，可借助本修复材料进行涂层表面原位快速固化修复，涂层修复后的设备或零部件既可满足应急工作的需要，也可在较长时间内正常使用。修复后的修复层与原涂层结合强度为33.8MPa，修复涂层耐在5 vol.% NaCl溶液中、三个月浸泡周期的腐蚀性与原涂层耐腐蚀性相当。 An in-situ rapid repair material for plasma spraying Cr 2 O 3 -8wt.%TiO 2 ceramic coating, characterized in that the repair material is suitable for plasma spraying Cr 2 O 3 -8wt.%TiO 2 coating The equipment or parts cannot work or the work efficiency is affected due to partial damage, peeling or defects on the coating surface. This repair material can be used for in-situ rapid curing of the coating surface. The repaired equipment or parts It can not only meet the needs of emergency work, but also can be used normally for a long time. The bonding strength between the repaired repair layer and the original coating is 33.8MPa, and the corrosion resistance of the repair coating in 5 vol.% NaCl solution and three-month immersion period is equivalent to that of the original coating.
所述的原位快速修复材料，其特征在于，修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成， A、B、C、D的质量配比为：100：35：2：25；其中胶粘剂A为环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用Cr2O3-8wt.%TiO2陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂。 The in-situ rapid repair material is characterized in that the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, and the mass ratio of A, B, C, and D is: 100: 35:2:25; Adhesive A is an epoxy resin adhesive, and its specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt.% of E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% of low-molecular polysulfide rubber with a relative molecular weight of 800-1000; ceramic aggregate B is commercial Cr 2 O 3 -8wt.%TiO 2 ceramic powder; coupling agent C is KH-550 silane coupling agent; curing agent D component includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator.
所述的等离子喷涂陶瓷涂层的原位快速修复材料的制备方法，其制备步骤如下： The preparation method of the in-situ rapid repair material of the plasma sprayed ceramic coating, its preparation steps are as follows:
（1）修复材料的配方：修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成，陶瓷骨料B与等离子喷涂陶瓷涂层成分一致， A、B、C、D的质量配比为：100：35：2：25；其中胶粘剂A为市售环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用Cr2O3-8wt.%TiO2陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂； (1) The formula of the repair material: the composition of the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, ceramic aggregate B is consistent with the composition of the plasma sprayed ceramic coating, A, B, C, D The mass ratio is: 100:35:2:25; the adhesive A is a commercially available epoxy resin adhesive, and the specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt. % E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% low molecular polysulfide rubber with a relative molecular weight of 800~1000; ceramic aggregate B is commercial Cr 2 O 3 -8wt.% TiO 2 ceramic powder; coupling agent C is KH-550 silane coupling agent; curing agent D component includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator;
（2）修复材料的配制：分别在胶粘剂A组分中按制备步骤（1）所述的配方比例加入与待修复陶瓷涂层成分一致的陶瓷骨料B和偶联剂C，并在室温搅拌均匀，获得所需的环氧树脂胶粘液，再按制备步骤（1）所述的配方比例加入固化剂D并在室温搅拌均匀，获得需要的修复材料； (2) Preparation of repairing materials: add ceramic aggregate B and coupling agent C which are consistent with the composition of the ceramic coating to be repaired in component A of the adhesive according to the formula ratio described in the preparation step (1), and stir at room temperature Uniformly, obtain the required epoxy resin adhesive liquid, then add curing agent D according to the formula ratio described in the preparation step (1) and stir evenly at room temperature to obtain the required repair material;
（3）待修复等离子喷涂陶瓷涂层的表面处理：将待修复部位进行表面预处理，包括砂纸打磨除锈、喷砂粗化、丙酮清洗脱脂、干燥等，随后将制备步骤（1）所述的固化剂D配成质量比为4%的溶液（质量比为4%的固化剂D、95％的无水乙醇和1%的纯净水），将溶液涂覆于修复部分，在室温下自然干燥； (3) Surface treatment of the plasma sprayed ceramic coating to be repaired: the surface pretreatment of the part to be repaired, including sanding, rust removal, sandblasting, acetone cleaning, degreasing, drying, etc., and then the preparation step (1) The curing agent D is made into a solution with a mass ratio of 4% (curing agent D with a mass ratio of 4%, 95% absolute ethanol and 1% pure water), and the solution is applied to the repaired part, and it is naturally cured at room temperature. dry;
（4）等离子喷涂陶瓷涂层的修复：将按制备步骤（2）所述刚配制好的修复材料均匀涂覆在待修复涂层破损处，并在室温下待其快速固化，在完全固化前修整修复表面，保持修复面尺寸符合工件要求，完全固化后用细砂纸打磨修复面即可。 (4) Repair of plasma sprayed ceramic coating: evenly apply the repair material prepared according to the preparation step (2) on the damaged part of the coating to be repaired, and wait for it to cure rapidly at room temperature. Trim the repaired surface, keep the size of the repaired surface to meet the requirements of the workpiece, and polish the repaired surface with fine sandpaper after it is completely cured.
所述的等离子喷涂陶瓷涂层的原位快速修复材料，修复层与涂层的结合强度按美国材料试验协会热喷涂涂层结合强度标准ASTMC633-2001对偶试样拉伸法进行测试，浸泡腐蚀试验参照《金属覆盖层实验室全浸腐蚀试验标准》(JB/T6073-92)和《腐蚀试样的制备、清洗和评定标准》(JB/T6074-92)标准进行制样、测试。 The in-situ rapid repair material of the plasma sprayed ceramic coating, the bonding strength of the repair layer and the coating is tested according to the American Society for Testing Materials thermal spray coating bonding strength standard ASTMC633-2001 dual sample tensile method, immersion corrosion test Sample preparation and testing were carried out referring to the Standards for Total Immersion Corrosion Test of Metal Covering Laboratory (JB/T6073-92) and the Standards for Preparation, Cleaning and Evaluation of Corrosion Samples (JB/T6074-92).
实施例2： Example 2:
一种用于等离子喷涂Al2O3陶瓷涂层的原位快速修复材料，其特征在于，修复材料适用于含等离子喷涂Al2O3涂层的设备或零部件，因涂层表面局部破损、剥落或产生缺陷等而无法工作或工作效率受到影响，可借助本修复材料进行涂层表面原位快速固化修复，涂层修复后的设备或零部件既可满足应急工作的需要，也可在较长时间内正常使用。修复后的修复层与原涂层结合强度为28.1MPa，修复涂层耐在5 vol.% NaCl溶液中、三个月浸泡周期的腐蚀性与原涂层耐腐蚀性相当。 An in-situ rapid repair material for plasma spraying Al 2 O 3 ceramic coating, characterized in that the repair material is suitable for equipment or parts containing plasma spray Al 2 O 3 coating, because the coating surface is partially damaged, Peeling or defects, etc. and can not work or work efficiency is affected, the repair material can be used for in-situ rapid curing repair of the coating surface, the equipment or parts after the repair of the coating can not only meet the needs of emergency work, but also can Normal use for a long time. The bonding strength between the repaired repair layer and the original coating is 28.1 MPa, and the corrosion resistance of the repair coating in 5 vol.% NaCl solution and three-month immersion period is equivalent to that of the original coating.
所述的原位快速修复材料，其特征在于，修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成， A、B、C、D的质量配比为：100：20：2：20；其中胶粘剂A为环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用Al2O3陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂。 The in-situ rapid repair material is characterized in that the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, and the mass ratio of A, B, C, and D is: 100: 20:2:20; Adhesive A is an epoxy resin adhesive, and its specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt.% of E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% of low-molecular polysulfide rubber with a relative molecular weight of 800-1000; ceramic aggregate B is commercial Al 2 O 3 ceramic powder; coupling agent C is KH-550 silane coupling agent; curing agent D component includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator.
所述的等离子喷涂陶瓷涂层的原位快速修复材料的制备方法，其制备步骤如下： The preparation method of the in-situ rapid repair material of the plasma sprayed ceramic coating, its preparation steps are as follows:
（1）修复材料的配方：修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成，陶瓷骨料B与等离子喷涂陶瓷涂层成分一致， A、B、C、D的质量配比为：100：20：2：20；其中胶粘剂A为市售环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用Al2O3陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂； (1) The formula of the repair material: the composition of the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, ceramic aggregate B is consistent with the composition of the plasma sprayed ceramic coating, A, B, C, D The mass ratio is: 100:20:2:20; the adhesive A is a commercially available epoxy resin adhesive, and the specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt. % E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% low-molecular polysulfide rubber with a relative molecular weight of 800-1000; ceramic aggregate B is commercial Al 2 O 3 ceramic powder; coupling Agent C is KH-550 silane coupling agent; curing agent D component includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator;
（2）修复材料的配制：分别在胶粘剂A组分中按制备步骤（1）所述的配方比例加入与待修复陶瓷涂层成分一致的陶瓷骨料B和偶联剂C，并在室温搅拌均匀，获得所需的环氧树脂胶粘液，再按制备步骤（1）所述的配方比例加入固化剂D并在室温搅拌均匀，获得需要的修复材料； (2) Preparation of repairing materials: add ceramic aggregate B and coupling agent C which are consistent with the composition of the ceramic coating to be repaired in component A of the adhesive according to the formula ratio described in the preparation step (1), and stir at room temperature Uniformly, obtain the required epoxy resin adhesive liquid, then add curing agent D according to the formula ratio described in the preparation step (1) and stir evenly at room temperature to obtain the required repair material;
（3）待修复等离子喷涂陶瓷涂层的表面处理：将待修复部位进行表面预处理，包括砂纸打磨除锈、喷砂粗化、丙酮清洗脱脂、干燥等，随后将制备步骤（1）所述的固化剂D配成质量比为4%的溶液（质量比为4%的固化剂D、95％的无水乙醇和1%的纯净水），将溶液涂覆于修复部分，在室温下自然干燥； (3) Surface treatment of the plasma sprayed ceramic coating to be repaired: the surface pretreatment of the part to be repaired, including sanding, rust removal, sandblasting, acetone cleaning, degreasing, drying, etc., and then the preparation step (1) The curing agent D is made into a solution with a mass ratio of 4% (curing agent D with a mass ratio of 4%, 95% absolute ethanol and 1% pure water), and the solution is applied to the repaired part, and it is naturally cured at room temperature. dry;
（4）等离子喷涂陶瓷涂层的修复：将按制备步骤（2）所述刚配制好的修复材料均匀涂覆在待修复涂层破损处，并在室温下待其快速固化，在完全固化前修整修复表面，保持修复面尺寸符合工件要求，完全固化后用细砂纸打磨修复面即可。 (4) Repair of plasma sprayed ceramic coating: evenly apply the repair material prepared according to the preparation step (2) on the damaged part of the coating to be repaired, and wait for it to cure rapidly at room temperature. Trim the repaired surface, keep the size of the repaired surface to meet the requirements of the workpiece, and polish the repaired surface with fine sandpaper after it is completely cured.
所述的等离子喷涂陶瓷涂层的原位快速修复材料，修复层与涂层的结合强度按美国材料试验协会热喷涂涂层结合强度标准ASTMC633-2001对偶试样拉伸法进行测试，浸泡腐蚀试验参照《金属覆盖层实验室全浸腐蚀试验标准》(JB/T6073-92)和《腐蚀试样的制备、清洗和评定标准》(JB/T6074-92)标准进行制样、测试。 The in-situ rapid repair material of the plasma sprayed ceramic coating, the bonding strength of the repair layer and the coating is tested according to the American Society for Testing Materials thermal spray coating bonding strength standard ASTMC633-2001 dual sample tensile method, immersion corrosion test Sample preparation and testing were carried out referring to the Standards for Total Immersion Corrosion Test of Metal Covering Laboratory (JB/T6073-92) and the Standards for Preparation, Cleaning and Evaluation of Corrosion Samples (JB/T6074-92).
实施例3： Example 3:
一种用于等离子喷涂ZrO2陶瓷涂层的原位快速修复材料，其特征在于，修复材料适用于含等离子喷涂ZrO2涂层的设备或零部件，因涂层表面局部破损、剥落或产生缺陷等而无法工作或工作效率受到影响，可借助本修复材料进行涂层表面原位快速固化修复，涂层修复后的设备或零部件既可满足应急工作的需要，也可在较长时间内正常使用。修复后的修复层与原涂层结合强度为29.2MPa，修复涂层耐在5 vol.% NaCl溶液中、三个月浸泡周期的腐蚀性与原涂层耐腐蚀性相当。 A kind of in - situ rapid repair material for plasma spraying ZrO2 ceramic coating, it is characterized in that, the repairing material is suitable for containing the equipment or parts of plasma spraying ZrO2 coating, because the coating surface is partially damaged, peeled off or produces defects Waiting and unable to work or work efficiency is affected, the repair material can be used for in-situ rapid curing repair of the coating surface, the equipment or parts after the repair of the coating can meet the needs of emergency work, and can also be normal for a long time use. The bonding strength between the repaired repair layer and the original coating is 29.2MPa, and the corrosion resistance of the repair coating in 5 vol.% NaCl solution and three-month immersion period is equivalent to that of the original coating.
所述的原位快速修复材料，其特征在于，修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成， A、B、C、D的质量配比为：100：30：2：22；其中胶粘剂A为环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用ZrO2陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂。 The in-situ rapid repair material is characterized in that the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, and the mass ratio of A, B, C, and D is: 100: 30:2:22; Adhesive A is an epoxy resin adhesive, the specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt.% of E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% of low-molecular polysulfide rubber with a relative molecular weight of 800-1000; ceramic aggregate B is commercial ZrO 2 ceramic powder; coupling agent C is KH-550 silane coupling agent; Curing agent D component consisted of 92 wt.% 703 curing agent and 8 wt.% K-54 accelerator.
所述的等离子喷涂陶瓷涂层的原位快速修复材料的制备方法，其制备步骤如下： The preparation method of the in-situ rapid repair material of the plasma sprayed ceramic coating, its preparation steps are as follows:
（1）修复材料的配方：修复材料成分由胶粘剂A、陶瓷骨料B、偶联剂C和固化剂D组成，陶瓷骨料B与等离子喷涂陶瓷涂层成分一致， A、B、C、D的质量配比为：100：30：2：22；其中胶粘剂A为市售环氧树脂型胶粘剂，具体成分为：45 wt.%的600环氧树脂（环氧值=1.2）、35 wt.%的E20(601)环氧树脂（环氧值=0.2）和20 wt.%的相对分子量为800~1000的低分子聚硫橡胶；陶瓷骨料B为商用ZrO2陶瓷粉末；偶联剂C为KH-550硅烷偶联剂；固化剂D成分包括92 wt.%的703固化剂和8 wt.%的K-54促进剂； (1) The formula of the repair material: the composition of the repair material is composed of adhesive A, ceramic aggregate B, coupling agent C and curing agent D, ceramic aggregate B is consistent with the composition of the plasma sprayed ceramic coating, A, B, C, D The mass ratio is: 100:30:2:22; the adhesive A is a commercially available epoxy resin adhesive, and the specific components are: 45 wt.% of 600 epoxy resin (epoxy value = 1.2), 35 wt. % E 20 (601) epoxy resin (epoxy value = 0.2) and 20 wt.% low-molecular polysulfide rubber with a relative molecular weight of 800-1000; ceramic aggregate B is commercial ZrO 2 ceramic powder; coupling agent C is KH-550 silane coupling agent; curing agent D includes 92 wt.% of 703 curing agent and 8 wt.% of K-54 accelerator;
（2）修复材料的配制：分别在胶粘剂A组分中按制备步骤（1）所述的配方比例加入与待修复陶瓷涂层成分一致的陶瓷骨料B和偶联剂C，并在室温搅拌均匀，获得所需的环氧树脂胶粘液，再按制备步骤（1）所述的配方比例加入固化剂D并在室温搅拌均匀，获得需要的修复材料； (2) Preparation of repairing materials: add ceramic aggregate B and coupling agent C which are consistent with the composition of the ceramic coating to be repaired in component A of the adhesive according to the formula ratio described in the preparation step (1), and stir at room temperature Uniformly, obtain the required epoxy resin adhesive liquid, then add curing agent D according to the formula ratio described in the preparation step (1) and stir evenly at room temperature to obtain the required repair material;
（3）待修复等离子喷涂陶瓷涂层的表面处理：将待修复部位进行表面预处理，包括砂纸打磨除锈、喷砂粗化、丙酮清洗脱脂、干燥等，随后将制备步骤（1）所述的固化剂D配成质量比为4%的溶液（质量比为4%的固化剂D、95％的无水乙醇和1%的纯净水），将溶液涂覆于修复部分，在室温下自然干燥； (3) Surface treatment of the plasma sprayed ceramic coating to be repaired: the surface pretreatment of the part to be repaired, including sanding, rust removal, sandblasting, acetone cleaning, degreasing, drying, etc., and then the preparation step (1) The curing agent D is made into a solution with a mass ratio of 4% (curing agent D with a mass ratio of 4%, 95% absolute ethanol and 1% pure water), and the solution is applied to the repaired part, and it is naturally cured at room temperature. dry;
（4）等离子喷涂陶瓷涂层的修复：将按制备步骤（2）所述刚配制好的修复材料均匀涂覆在待修复涂层破损处，并在室温下待其快速固化，在完全固化前修整修复表面，保持修复面尺寸符合工件要求，完全固化后用细砂纸打磨修复面即可。 (4) Repair of plasma sprayed ceramic coating: evenly apply the repair material prepared according to the preparation step (2) on the damaged part of the coating to be repaired, and wait for it to cure rapidly at room temperature. Trim the repaired surface, keep the size of the repaired surface to meet the requirements of the workpiece, and polish the repaired surface with fine sandpaper after it is completely cured.
所述的等离子喷涂陶瓷涂层的原位快速修复材料，修复层与涂层的结合强度按美国材料试验协会热喷涂涂层结合强度标准ASTMC633-2001对偶试样拉伸法进行测试，浸泡腐蚀试验参照《金属覆盖层实验室全浸腐蚀试验标准》(JB/T6073-92)和《腐蚀试样的制备、清洗和评定标准》(JB/T6074-92)标准进行制样、测试。 The in-situ rapid repair material of the plasma sprayed ceramic coating, the bonding strength of the repair layer and the coating is tested according to the American Society for Testing Materials thermal spray coating bonding strength standard ASTMC633-2001 dual sample tensile method, immersion corrosion test Sample preparation and testing were carried out referring to the Standards for Total Immersion Corrosion Test of Metal Covering Laboratory (JB/T6073-92) and the Standards for Preparation, Cleaning and Evaluation of Corrosion Samples (JB/T6074-92).
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