CN106180685A - 一种Co‑SiO2‑Ni‑Fe纳米涂层及其制备方法 - Google Patents
一种Co‑SiO2‑Ni‑Fe纳米涂层及其制备方法 Download PDFInfo
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- 239000002077 nanosphere Substances 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 8
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- 238000000034 method Methods 0.000 claims abstract description 5
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- 238000012387 aerosolization Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000004094 surface-active agent Substances 0.000 claims abstract description 4
- 229910003271 Ni-Fe Inorganic materials 0.000 claims description 27
- 229910002458 Co-SiO2 Inorganic materials 0.000 claims description 9
- 239000011858 nanopowder Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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Abstract
本发明涉及一种Co‑SiO2‑Ni‑Fe纳米涂层及其制备方法，其组分及各组分的质量份数为Co占50‑65份、SiO2占5‑15份、Ni占5‑10份、Fe占1‑2份、微量元素占0.25‑1份；制备方法包括以下步骤：(1)采用气雾化法制得Co‑SiO2‑Ni‑Fe的纳米球；(2)将步骤(1)中制得的纳米球采用表面活性剂保护法混合C、Zn、Mo、B、Al制得纳米粉末；(3)将步骤(2)中制得的‑Ni‑Fe纳米涂层利用等离子喷涂工艺在铁基工件上制得Co‑SiO2‑Ni‑Fe纳米涂层。本发明组分搭配合理，制成的涂层具有较高的硬度，耐磨性和耐腐蚀性较强，结合强度高，从而使零部件的性能得以改善，使用寿命得以延长。
Description
技术领域
本发明涉及热喷涂材料技术领域，具体说是一种Co-SiO2-Ni-Fe纳米涂层及其制备方法。
背景技术
热喷涂是利用某种热源(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，然后借助焰流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。
传统的喷涂技术使用的材料结合强度差、气孔率高、耐磨性差，使用寿命短，不能满足人们在极端环境下的使用要求，频繁更换磨损工件也不利于生产效率的提高。
发明内容
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Co-SiO2-Ni-Fe纳米涂层及其制备方法。
本发明所要解决的技术问题采用以下技术方案来实现：
一种Co-SiO2-Ni-Fe纳米涂层，其组分及各组分的质量份数为Co占50-65份、SiO2占5-15份、Ni占5-10份、Fe占1-2份、微量元素占0.25-1份。
所述微量元素为C、Zn、Mo、B、Al，所述C、Zn、Mo、B、Al的质量配比为1︰2︰8︰5︰2。
一种Co-SiO2-Ni-Fe纳米涂层的制备方法，包括以下步骤：
(1)采用气雾化法制得Co-SiO2-Ni-Fe的纳米球；
(2)将步骤(1)中制得的纳米球采用表面活性剂保护法混合C、Zn、Mo、B、Al制得纳米粉末；
(3)将步骤(2)中制得的-Ni-Fe纳米涂层利用等离子喷涂工艺在铁基工件上制得-Ni-Fe纳米涂层。
本发明的有益效果是：本发明组分搭配合理，制成的涂层具有较高的硬度，耐磨性和耐腐蚀性较强，结合强度高，从而使零部件的性能得以改善，使用寿命得以延长。
具体实施方式
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。
实施例一：
一种Co-SiO2-Ni-Fe纳米涂层，其组分及各组分的质量份数为Co占50份、SiO2占5份、Ni占5份、Fe占1份、微量元素占0.25份。
所述微量元素为C、Zn、Mo、B、Al，所述C、Zn、Mo、B、Al的质量配比为1︰2︰8︰5︰2。
一种Co-SiO2-Ni-Fe纳米涂层的制备方法，包括以下步骤：
(1)采用气雾化法制得Co-SiO2-Ni-Fe的纳米球；
(2)将步骤(1)中制得的纳米球采用表面活性剂保护法混合C、Zn、Mo、B、Al制得纳米粉末；
(3)将步骤(2)中制得的Co-SiO2-Ni-Fe纳米涂层利用等离子喷涂工艺在铁基工件上制得-Ni-Fe纳米涂层。
实施例二：
一种Co-SiO2-Ni-Fe纳米涂层，其组分及各组分的质量份数为Co占65份、SiO2占15份、Ni占10份、Fe占2份、微量元素占1份。
所述微量元素为C、Zn、Mo、B、Al，所述C、Zn、Mo、B、Al的质量配比为1︰2︰8︰5︰2。
一种Co-SiO2-Ni-Fe纳米涂层的制备方法，与实施例一相同。
实施例三：
一种Co-SiO2-Ni-Fe纳米涂层，其组分及各组分的质量份数为Co占60份、SiO2占8份、Ni占8份、Fe占1.5份、微量元素占0.5份。
所述微量元素为C、Zn、Mo、B、Al，所述C、Zn、Mo、B、Al的质量配比为1︰2︰8︰5︰2。
一种Co-SiO2-Ni-Fe纳米涂层的制备方法，与实施例一相同。
采用等离子喷涂技术在铁基工件上制得Co-SiO2-Ni-Fe纳米涂层，带有所述纳米涂层的基体与无所述纳米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：
表1Co-SiO2-Ni-Fe纳米涂层与无纳米涂层铁基工件性能对比实验结果：
| 实验组编号 | 孔隙率(AREA％) | 结合强度(MPa) | 显微硬度(HV) |
| 1 | 0.423 | 75.8 | 1014 |
| 2 | 0.482 | 76.4 | 1054 |
| 3 | 0.468 | 77.2 | 1032 |
| 平均值 | 0.457 | 76.5 | 1033 |
| 对比组 | 0.578 | 62.6 | 850 |
采用等离子喷涂技术在铁基工件上制得Co-SiO2-Ni-Fe纳米涂层，带有所述纳米涂层的基体与无所述纳米涂层的基体的磨损量对比实验结果见表2：
表2Co-SiO2-Ni-Fe纳米涂层与铁基工件的磨损量对比实验结果：
| 实验组编号 | 磨损前(g) | 磨损后(g) | 磨损量(g) |
| 1 | 58.5484 | 58.5427 | 0.0057 |
| 2 | 58.4571 | 58.4533 | 0.0038 |
| 3 | 58.3448 | 58.3817 | 0.0027 |
| 对比组 | 58.6966 | 58.6802 | 0.0164 |
由表1和表2可见，Co-SiO2-Ni-Fe纳米涂层的综合性能优异，耐磨性好。
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。
Claims (2)
1.一种Co-SiO2-Ni-Fe纳米涂层，其特征在于：其组分及各组分的质量份数为Co占50-65份、SiO2占5-15份、Ni占5-10份、Fe占1-2份、微量元素占0.25-1份；
所述微量元素为C、Zn、Mo、B、Al，所述C、Zn、Mo、B、Al的质量配比为1︰2︰8︰5︰2。
2.一种Co-SiO2-Ni-Fe纳米涂层的制备方法，其特征在于：包括以下步骤：
(1)采用气雾化法制得Co-SiO2-Ni-Fe的纳米球；
(2)将步骤(1)中制得的纳米球采用表面活性剂保护法混合C、Zn、Mo、B、Al制得纳米粉末；
(3)将步骤(2)中制得的Co-SiO2-Ni-Fe纳米涂层利用等离子喷涂工艺在铁基工件上制得Co-SiO2-Ni-Fe纳米涂层。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107699845A (zh) * | 2017-09-11 | 2018-02-16 | 常熟市双羽铜业有限公司 | 一种自清洁高耐蚀性钢结构件 |
| CN111020299A (zh) * | 2019-12-12 | 2020-04-17 | 西安航天新宇机电装备有限公司 | 一种Co-Al-W-TiO2合金棒材及其制备方法 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107699845A (zh) * | 2017-09-11 | 2018-02-16 | 常熟市双羽铜业有限公司 | 一种自清洁高耐蚀性钢结构件 |
| CN111020299A (zh) * | 2019-12-12 | 2020-04-17 | 西安航天新宇机电装备有限公司 | 一种Co-Al-W-TiO2合金棒材及其制备方法 |
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