CN104878340A - A kind of Fe-HfO2 nano coating material and preparation method thereof - Google Patents
A kind of Fe-HfO2 nano coating material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000002103 nanocoating Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 title abstract description 21
- 229910052718 tin Inorganic materials 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002077 nanosphere Substances 0.000 claims abstract description 8
- 239000013543 active substance Substances 0.000 claims abstract description 4
- 238000009689 gas atomisation Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000011858 nanopowder Substances 0.000 claims abstract description 4
- 239000011573 trace mineral Substances 0.000 claims description 12
- 235000013619 trace mineral Nutrition 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 12
- 238000000576 coating method Methods 0.000 description 16
- 239000011248 coating agent Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000007750 plasma spraying Methods 0.000 description 4
- 238000007751 thermal spraying Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
技术领域technical field
本发明涉及热喷涂技术领域，具体说是一种Fe-HfO2纳米涂层材料及其制备方法。The invention relates to the technical field of thermal spraying, in particular to a Fe- HfO2 nanometer coating material and a preparation method thereof.
背景技术Background technique
热喷涂是一种表面强化技术，它是利用某种热源(如电弧、等离子喷涂或燃烧火焰等)将粉末状或丝状的金属或非金属材料加热到熔融或半熔融状态，然后借助焰留本身或压缩空气以一定速度喷射到预处理过的基体表面，沉积而形成具有各种功能的表面涂层的一种技术。Thermal spraying is a surface strengthening technology, which uses some kind of heat source (such as electric arc, plasma spraying or combustion flame, etc.) It is a technology that sprays itself or compressed air onto the surface of the pretreated substrate at a certain speed, and deposits to form a surface coating with various functions.
热喷涂技术在普通材料的表面上，制造一个特殊的工作表面，使其达到：防腐、耐磨、减摩、抗高温、抗氧化、隔热、绝缘、导电、防微波辐射等一系多种功能，使其达到节约材料，节约能源的目的，符合我国节能减排的政策要求，也是世界工业发展的趋势。Thermal spraying technology creates a special working surface on the surface of ordinary materials to achieve: anti-corrosion, wear-resistant, anti-friction, high temperature resistance, oxidation resistance, heat insulation, insulation, conductivity, anti-microwave radiation, etc. function, so that it can achieve the purpose of saving materials and energy, which is in line with the policy requirements of my country's energy conservation and emission reduction, and is also the trend of world industrial development.
然而，传统的热喷涂所采用的喷涂材料硬度有限，耐磨性和耐腐蚀性达不到使用要求，随着人们在各个领域的深入发展，在各种恶劣条件下施工已经成为了人们的常见任务，而这就给工件的耐腐蚀性和耐磨性提出了更高的要求。However, the spraying materials used in traditional thermal spraying have limited hardness, and the wear resistance and corrosion resistance cannot meet the requirements for use. With the in-depth development of people in various fields, construction under various harsh conditions has become a common practice for people. task, and this puts forward higher requirements for the corrosion resistance and wear resistance of the workpiece.
发明内容Contents of the invention
为了解决传统涂层耐磨性较差，硬度较低等问题，本发明提供一种Fe-HfO2纳米涂层材料及其制备方法。In order to solve the problems of poor wear resistance and low hardness of traditional coatings, the invention provides a Fe- HfO2 nano coating material and a preparation method thereof.
本发明所要解决的技术问题采用以下技术方案来实现：The technical problem to be solved by the present invention adopts the following technical solutions to realize:
一种Fe-HfO2纳米涂层材料，其组分及各组分的质量份数为Fe占57-78份、HfO2占29-38份、TiO2占1份、微量元素占0.21-0.98份，所述TiO2作为添加剂加入，能提高材料的硬度和结合强度。A Fe- HfO2 nano-coating material, its components and the mass parts of each component are Fe accounting for 57-78 parts, HfO2 accounting for 29-38 parts, TiO2 accounting for 1 part, and trace elements accounting for 0.21-0.98 parts part, the TiO 2 is added as an additive, which can improve the hardness and bonding strength of the material.
HfO2是一种具有宽带隙和高介电常数的陶瓷材料，耐火性强，可提高涂层耐高温性。HfO 2 is a ceramic material with wide band gap and high dielectric constant, which has strong fire resistance and can improve the high temperature resistance of the coating.
所述微量元素为C、Mo、B、Sn、Co。The trace elements are C, Mo, B, Sn, Co.
Mo的纯金属是银白色，非常坚硬。把少量Mo加到Fe之中，可显著提高纳米涂层的硬度。The pure metal of Mo is silvery white and very hard. Adding a small amount of Mo to Fe can significantly increase the hardness of the nano-coating.
Sn在空气中表面生成二氧化锡保护膜而稳定。Sn is stabilized by forming a tin dioxide protective film on the surface in the air.
Co是具有光泽的钢灰色金属，比较硬而脆，在常温下不和水作用，在潮湿的空气中也很稳定。Co的物理、化学性质决定了它是生产耐热合金、硬质合金、防腐合金、磁性合金和各种钴盐的重要原料。钴基合金或含钴合金钢综合力学性能优异，是常用作燃汽轮机的叶片、叶轮、导管、喷气发动机、火箭发动机、导弹的部件和化工设备中各种高负荷的耐热部件以及原子能工业的重要金属材料。Co is a shiny steel-gray metal, relatively hard and brittle, incompatible with water at room temperature, and stable in humid air. The physical and chemical properties of Co determine that it is an important raw material for the production of heat-resistant alloys, hard alloys, anti-corrosion alloys, magnetic alloys and various cobalt salts. Cobalt-based alloys or cobalt-containing alloy steels have excellent comprehensive mechanical properties, and are commonly used as blades, impellers, ducts, jet engines, rocket engines, missile components of gas turbines, various high-load heat-resistant components in chemical equipment, and atomic energy industry. important metal materials.
一种Fe-HfO2纳米涂层材料的制备方法，包括以下步骤：A kind of Fe-HfO The preparation method of nanometer coating material, comprises the following steps:
(1)采用气雾化法制得Fe-HfO2的纳米球；(1) adopt gas atomization method to make Fe-HfO Nanosphere ;
(2)将步骤(1)中制得的纳米球采用活性剂保护法混合C、Mo、B、Sn、Co制得纳米粉末。(2) Mixing C, Mo, B, Sn, and Co with the nanospheres prepared in the step (1) by an active agent protection method to obtain nanopowders.
本发明的有益效果是：本发明制成的Fe-HfO2纳米涂层的硬度可达HRC43，具有一定的硬度和抗磨损性能，结合强度、抓附力较高，密度可达6.33g/cm3,喷涂厚度可达4毫米，致密度良好为0.52，本发明综合性能优于传统涂层材料，硬度高、耐磨性好，与传统合金材料相比有着很大的进步，在相同的条件下，Fe-HfO2纳米涂层的结合强度是普通涂层的1.4倍以上。The beneficial effects of the present invention are: the hardness of the Fe- HfO2 nano-coating made by the present invention can reach HRC43, has certain hardness and wear resistance, high bonding strength and gripping force, and the density can reach 6.33g/cm 3. The thickness of spraying can reach 4 mm, and the density is good at 0.52. The overall performance of the present invention is superior to that of traditional coating materials, with high hardness and good wear resistance. Compared with traditional alloy materials, it has made great progress. Under the same conditions Under these conditions, the bonding strength of the Fe- HfO2 nano-coating is more than 1.4 times that of the normal coating.
具体实施方式Detailed ways
为了使本发明实现的技术手段和创作特征易于明白了解，下面对本发明进一步阐述。In order to make the technical means and creative features realized by the present invention easy to understand, the present invention will be further elaborated below.
实施例一：Embodiment one:
一种Fe-HfO2纳米涂层材料，其组分及各组分的质量份数为Fe占57份、HfO2占29份、TiO2占1份、微量元素占0.21份。An Fe- HfO2 nano-coating material, its components and the mass parts of each component are 57 parts of Fe, 29 parts of HfO2 , 1 part of TiO2 and 0.21 parts of trace elements.
所述微量元素为C、Mo、B、Sn、Co。The trace elements are C, Mo, B, Sn, Co.
一种Fe-HfO2纳米涂层材料的制备方法，包括以下步骤：A kind of Fe-HfO The preparation method of nanometer coating material, comprises the following steps:
(1)采用气雾化法制得Fe-HfO2的纳米球；(1) adopt gas atomization method to make Fe-HfO Nanosphere ;
(2)将步骤(1)中制得的纳米球采用活性剂保护法混合C、Mo、B、Sn、Co制得纳米粉末。(2) Mixing C, Mo, B, Sn, and Co with the nanospheres prepared in the step (1) by an active agent protection method to obtain nanopowders.
实施例二：Embodiment two:
一种Fe-HfO2纳米涂层材料，其组分及各组分的质量份数为Fe占62份、HfO2占33份、TiO2占1份、微量元素占0.46份。An Fe- HfO2 nano coating material, its components and the mass parts of each component are 62 parts of Fe, 33 parts of HfO2 , 1 part of TiO2 and 0.46 parts of trace elements.
所述微量元素为C、Mo、B、Sn、Co。The trace elements are C, Mo, B, Sn, Co.
一种Fe-HfO2纳米涂层材料的制备方法，同实施例一。A kind of Fe-HfO The preparation method of nanometer coating material, with embodiment one.
实施例三：Embodiment three:
一种Fe-HfO2纳米涂层材料，其组分及各组分的质量份数为Fe占67份、HfO2占35份、TiO2占1份、微量元素占0.79份。An Fe- HfO2 nano-coating material, its components and the mass parts of each component are 67 parts of Fe, 35 parts of HfO2 , 1 part of TiO2 and 0.79 parts of trace elements.
所述微量元素为C、Mo、B、Sn、Co。The trace elements are C, Mo, B, Sn, Co.
一种Fe-HfO2纳米涂层材料的制备方法，同实施例一。A kind of Fe-HfO The preparation method of nanometer coating material, with embodiment one.
实施例四：Embodiment four:
一种Fe-HfO2纳米涂层材料，其组分及各组分的质量份数为Fe占78份、HfO2占38份、TiO2占1份、微量元素占0.98份。An Fe- HfO2 nano-coating material, its components and the mass parts of each component are 78 parts of Fe, 38 parts of HfO2 , 1 part of TiO2 and 0.98 parts of trace elements.
所述微量元素为C、Mo、B、Sn、Co。The trace elements are C, Mo, B, Sn, Co.
一种Fe-HfO2纳米涂层材料的制备方法，同实施例一。A kind of Fe-HfO The preparation method of nanometer coating material, with embodiment one.
采用等离子喷涂技术在以20Co钢为基体的棍类工件上制得Fe-HfO2纳米涂层，带有所述涂层的基体与无所述涂层的基体的结合强度、显微硬度、气孔率以及抗磨粒磨损性能对比实验结果见表1：Using plasma spraying technology to prepare Fe - HfO nano-coatings on stick workpieces based on 20Co steel, the bonding strength, microhardness, and porosity of the substrate with the coating and the substrate without the coating The experimental results of the ratio and abrasive wear resistance are shown in Table 1:
表1 Fe-HfO2纳米涂层与20Co钢基体的性能对比实验结果：Table 1 Performance comparison experiment results of Fe-HfO 2 nano-coating and 20Co steel substrate:
采用等离子喷涂技术在以20Co钢为基体的棍类工件上制得Fe-HfO2涂层，带有所述涂层的基体与无所述涂层的基体的磨损量对比实验结果见表2：Adopt plasma spraying technology to make Fe-HfO coating on the stick workpiece with 20Co steel as the base body, the wear amount comparison experiment results of the base body with the coating and the base body without the coating are shown in Table 2 :
表2 Fe-HfO2纳米涂层与20Co钢基体的磨损量对比实验结果：Table 2 Comparative experimental results of wear amount of Fe-HfO 2 nano-coating and 20Co steel substrate:
由表1和表2可见，Fe-HfO2纳米涂层的综合性能优异，耐磨性好。It can be seen from Table 1 and Table 2 that the Fe-HfO 2 nano-coating has excellent comprehensive performance and good wear resistance.
本发明适用于等离子喷涂，可用喷涂钢材有：Cr12MoV、Cr12、SKD61、4Cr5MoSiV1、4Cr5W2VSi、8Cr3等，还可喷涂一些对硬度要求比较高的工件或工具钢表面处理，以提高工件表面硬度和耐磨性。The invention is suitable for plasma spraying, and the steel materials that can be sprayed include: Cr12MoV, Cr12, SKD61, 4Cr5MoSiV1, 4Cr5W2VSi, 8Cr3, etc. It can also be sprayed on some workpieces or tool steel surface treatment that require relatively high hardness to improve the surface hardness and wear resistance of the workpiece. sex.
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and what are described in the above-mentioned embodiments and description are only the principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention will also have various Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.
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| US20030180565A1 (en) * | 2000-09-21 | 2003-09-25 | Christian Herbst-Dederichs | Thermally applied coating for piston rings, consisting of mechanically alloyed powders |
| CN1657653A (en) * | 2005-04-01 | 2005-08-24 | 中国航空工业第一集团公司北京航空材料研究院 | Thermal barrier coating on superalloy surface and preparation method thereof |
| CN1931462A (en) * | 2006-10-18 | 2007-03-21 | 合肥工业大学 | Composite SiC and its making process |
| CN104294205A (en) * | 2014-09-11 | 2015-01-21 | 芜湖鼎瀚再制造技术有限公司 | ZrO2-HfO2 coating and preparation method thereof |
| CN104451510A (en) * | 2014-10-30 | 2015-03-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Ni-SiC nano-coating and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030180565A1 (en) * | 2000-09-21 | 2003-09-25 | Christian Herbst-Dederichs | Thermally applied coating for piston rings, consisting of mechanically alloyed powders |
| CN1657653A (en) * | 2005-04-01 | 2005-08-24 | 中国航空工业第一集团公司北京航空材料研究院 | Thermal barrier coating on superalloy surface and preparation method thereof |
| CN1931462A (en) * | 2006-10-18 | 2007-03-21 | 合肥工业大学 | Composite SiC and its making process |
| CN104294205A (en) * | 2014-09-11 | 2015-01-21 | 芜湖鼎瀚再制造技术有限公司 | ZrO2-HfO2 coating and preparation method thereof |
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