CN106086754A - 一种Ni60A‑WC‑Mn纳米涂层及其制备方法 - Google Patents

一种Ni60A‑WC‑Mn纳米涂层及其制备方法 Download PDF

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CN106086754A
CN106086754A CN201610662409.9A CN201610662409A CN106086754A CN 106086754 A CN106086754 A CN 106086754A CN 201610662409 A CN201610662409 A CN 201610662409A CN 106086754 A CN106086754 A CN 106086754A
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程敬卿
周乾坤
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Wuhu Dinghan Remanufacturing Technology Co Ltd
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    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—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
    • C22C32/0047—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 carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0052—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 carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material

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Abstract

本发明涉及一种Ni60A‑WC‑Mn纳米涂层及其制备方法，其组分及各组分的质量份数为Ni60A占5‑15份、WC占45‑65份、Mn占21‑25份、微量元素占1‑2份；制备方法包括以下步骤：(1)采用干式粉碎法制得Ni60A‑WC‑Mn的纳米球；(2)将制得的纳米球采用表面活性剂保护法混合Cr、Si、Zn和Fe制得纳米粉末；(3)将制得的混合物采用超音速火焰喷涂工艺在9SiCr模具钢基体表面制备Ni60A‑WC‑Mn纳米涂层。本发明解决了现有碳化钨涂层耐磨性较差、耐腐蚀性较低的问题，改善了材料表面涂层的微观组织、结构，从而整体提高材料表面的耐磨性能，同时也对提高改善性的综合力学性能有显著的作用。

Description

一种Ni60A-WC-Mn纳米涂层及其制备方法
技术领域
本发明涉及热喷涂材料技术领域，具体说是一种Ni60A-WC-Mn纳米涂层及其制备方法。
背景技术
热喷涂技术就是在高速气流的作用下使配料雾化成微细熔滴或高温颗粒，以很高的飞行速度喷射到经过处理的工件表面，形成牢固的覆盖层，从而使工件表面获得不同硬度、耐磨、耐腐、耐热、抗氧化、隔热、绝缘、导电、密封、消毒、防微波辐射以及其他各种特殊物理化学性能。它可以在设备维修中修旧利废，使报废的零部件“起死回生”；也可以在新产品制造中进行强化和预保护，使其“益寿延年”。
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Ni60A-WC-Mn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Ni60A-WC-Mn纳米涂层，其组分及各组分的质量份数为Ni60A占5-10份、WC占35-55份、Mn占25-35份、微量元素占3-5份；
所述微量元素为Cr、Si、Zn和Fe。
一种Ni60A-WC-Mn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Ni60A-WC-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Cr、Si、Zn和Fe制得纳米粉末。
(3)将步骤(2)中制得的混合物采用超音速火焰喷涂工艺在9SiCr模具钢基体表面制备Ni60A-WC-Mn纳米涂层。
本发明的有益效果是：本发明解决了现有碳化钨涂层耐磨性较差、耐腐蚀性较低的问题，改善了材料表面涂层的微观组织、结构，从而整体提高材料表面的耐磨性能，同时也对提高改善性的综合力学性能有显著的作用。
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Ni60A-WC-Mn纳米涂层，其组分及各组分的质量份数为Ni60A占5份、WC占35份、Mn占25份、微量元素占3份。
所述微量元素为Cr、Si、Zn和Fe。
一种Ni60A-WC-Mn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Ni60A-WC-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Cr、Si、Zn和Fe制得纳米粉末；
(3)将步骤(2)中制得的混合物采用超音速火焰喷涂工艺在9SiCr模具钢基体表面制备Ni60A-WC-Mn纳米涂层。
实施例二：
一种Ni60A-WC-Mn纳米涂层，其组分及各组分的质量份数为Ni60A占10份、WC占55份、Mn占35份、微量元素占5份。
所述微量元素为Cr、Si、Zn和Fe。
一种Ni60A-WC-Mn纳米涂层的制备方法，与实施例一相同。
实施例三：
一种Ni60A-WC-Mn纳米涂层，其组分及各组分的质量份数为Ni60A占8份、WC占40份、Mn占30份、微量元素占4份。
所述微量元素为Cr、Si、Zn和Fe。
一种Ni60A-WC-Mn纳米涂层的制备方法，与实施例一相同。
采用超音速喷涂技术在9SiCr模具钢基体上制得Ni60A-WC-Mn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：
表1Ni60A-WC-Mn纳米涂层与无涂层9SiCr模具钢性能对比实验结果：
实验组编号 孔隙率(AREA％) 结合强度(MPa) 显微硬度(HV)
1 0.446 66.3 927
2 0.427 65.4 957
3 0.478 65.2 952
平均值 0.453 65.6 945
对比组 0.583 53.2 822
采用超音速喷涂技术在9SiCr模具钢基体上制得Ni60A-WC-Mn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：
表2 Ni60A-WC-Mn纳米涂层与9SiCr模具钢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 58.8415 58.8387 0.0028
2 58.4775 58.4751 0.0024
3 58.7428 58.7398 0.0030
对比组 58.6968 58.6904 0.0064
由表1和表2可见，Ni60A-WC-Mn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Ni60A-WC-Mn纳米涂层，其特征在于：其组分及各组分的质量份数为Ni60A占5-10份、WC占35-55份、Mn占25-35份、微量元素占3-5份；
所述微量元素为Cr、Si、Zn和Fe。
2.一种Ni60A-WC-Mn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Ni60A-WC-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Cr、Si、Zn和Fe制得纳米粉末；
(3)将步骤(2)中制得的混合物采用超音速火焰喷涂工艺在9SiCr模具钢基体表面制备Ni60A-WC-Mn纳米涂层。
CN201610662409.9A 2016-08-13 2016-08-13 一种Ni60A‑WC‑Mn纳米涂层及其制备方法 Withdrawn CN106086754A (zh)

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