CN106086753A - 一种Co‑Al2O3‑Mn‑Cu纳米涂层及其制备方法 - Google Patents
一种Co‑Al2O3‑Mn‑Cu纳米涂层及其制备方法 Download PDFInfo
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000007751 thermal spraying Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
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Abstract
本发明涉及一种Co‑Al2O3‑Mn‑Cu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20‑35份、MnAl2O3占45‑65份、Mn占5‑10份、Cu占1‑3份；制备方法包括以下步骤：(1)采用干式粉碎法制得Co‑Al2O3‑Mn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Cu制得纳米粉末；(3)将步骤(2)中制得的纳米涂层利用等离子喷涂工艺在铁基工件上制得纳米涂层。本发明制成Co‑Al2O3‑Mn‑Cu涂层后，具有优良的耐腐蚀、抗氧化、耐热、耐地应力磨损和抗粘着磨损等综合性能，其韧性和耐冲击性较好，具有优异的热喷涂、喷焊工艺性能。
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-Al2O3-Mn-Cu纳米涂层及其制备方法。
背景技术
热喷涂，是将熔融状态的喷涂材料，通过高速气流使其雾化喷射在零件表面上，形成喷涂层的一种金属表面加工方法。我们把特殊的工作表面叫“涂层”，把制造涂层的工作方法叫“热喷涂”，它是采用各种热源进行喷涂和喷焊的总称。
热喷涂材料多种多样，不同使用要求下需要不同的材料及不同的配比，现有的材料共有的缺陷是喷涂硬度不足，耐磨性差，不能有效延长零件使用寿命，没有充分发挥热喷涂技术的优势。
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-Al2O3-Mn-Cu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-Al2O3-Mn-Cu纳米涂层，其组分及各组分的质量份数为Co占20-35份、MnAl2O3占45-65份、Mn占5-10份、Cu占1-3份，其中Cu为活性剂。
一种Co-Al2O3-Mn-Cu纳米涂层的制备方法，包括以下步骤：
(1)采用干式粉碎法制得Co-Al2O3-Mn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Cu制得纳米粉末；
(3)将步骤(2)中制得的纳米涂层利用等离子喷涂工艺在铁基工件上制得纳米涂层。
本发明的有益效果是：本发明制成Co-Al2O3-Mn-Cu涂层后，具有优良的耐腐蚀、抗氧化、耐热、耐地应力磨损和抗粘着磨损等综合性能，其韧性和耐冲击性较好，具有优异的热喷涂、喷焊工艺性能。
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-Al2O3-Mn-Cu纳米涂层，其组分及各组分的质量份数为Co占20份、MnAl2O3占45份、Mn占5份、Cu占1份，其中Cu为活性剂。
一种Co-Al2O3-Mn-Cu纳米涂层的制备方法，包括以下步骤：
(1)采用干式粉碎法制得Co-Al2O3-Mn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Cu制得纳米粉末；
(3)将步骤(2)中制得的纳米涂层利用等离子喷涂工艺在铁基工件上制得纳米涂层。
实施例二：
一种Co-Al2O3-Mn-Cu纳米涂层，其组分及各组分的质量份数为Co占35份、MnAl2O3占65份、Mn占10份、Cu占3份，其中Cu为活性剂。
一种Co-Al2O3-Mn-Cu纳米涂层的制备方法，与实施例一相同。
实施例三：
一种Co-Al2O3-Mn-Cu纳米涂层，其组分及各组分的质量份数为Co占25份、MnAl2O3占55份、Mn占7份、Cu占2份，其中Cu为活性剂。
一种Co-Al2O3-Mn-Cu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-Al2O3-Mn-Cu纳米焊层，带有所述焊层的基体与无所述焊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1 Co-Al2O3-Mn-Cu纳米焊层与无焊层铁基工件性能对比实验结果：
采用等离子喷涂技术在铁基工件上制得Co-Al2O3-Mn-Cu焊层，带有所述焊层的基体与无所述焊层的基体的磨损量对比实验结果见表2：
表2 Co-Al2O3-Mn-Cu纳米焊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 | 58.4873 | 58.4839 | 0.0034 |
| 2 | 58.4577 | 58.4560 | 0.0017 |
| 3 | 58.2574 | 58.2540 | 0.0034 |
| 对比组 | 58.6968 | 58.6904 | 0.0064 |
由表1和表2可见，Co-Al2O3-Mn-Cu纳米焊层的综合性能优异，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-Al2O3-Mn-Cu纳米涂层，其特征在于：其组分及各组分的质量份数为Co占20-35份、MnAl2O3占45-65份、Mn占5-10份、Cu占1-3份，其中Cu为活性剂。
2.一种Co-Al2O3-Mn-Cu纳米涂层的制备方法，其特征在于：包括以下步骤：
(1)采用干式粉碎法制得Co-Al2O3-Mn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Cu制得纳米粉末；
(3)将步骤(2)中制得的纳米涂层利用等离子喷涂工艺在铁基工件上制得纳米涂层。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112226720A (zh) * | 2020-10-15 | 2021-01-15 | 电子科技大学 | 一种适用于大气等离子喷涂的金属-陶瓷复合粉末的喷雾造粒制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112226720A (zh) * | 2020-10-15 | 2021-01-15 | 电子科技大学 | 一种适用于大气等离子喷涂的金属-陶瓷复合粉末的喷雾造粒制备方法 |
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