CN102409302A - 涂层、具有该涂层的被覆件及该被覆件的制备方法 - Google Patents

涂层、具有该涂层的被覆件及该被覆件的制备方法 Download PDF

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CN102409302A
CN102409302A CN2010102892927A CN201010289292A CN102409302A CN 102409302 A CN102409302 A CN 102409302A CN 2010102892927 A CN2010102892927 A CN 2010102892927A CN 201010289292 A CN201010289292 A CN 201010289292A CN 102409302 A CN102409302 A CN 102409302A
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coating
layer
matrix
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张新倍
陈文荣
蒋焕梧
陈正士
马闯
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN2010102892927A priority Critical patent/CN102409302A/zh
Priority to US13/031,706 priority patent/US20120077009A1/en
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/35Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0641Nitrides
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264Up to 3 mils
    • Y10T428/2651 mil or less
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

本发明提供一种涂层,该涂层包括ZrYN沉积层,该沉积层以磁控溅射镀膜法形成。该涂层具有较高的硬度、良好的韧性及耐磨性。本发明还提供种具有上述涂层的被覆件。该被覆件包括基体、依次形成于该基体表面的ZrY结合层及所述涂层。另外,本发明还提供了上述被覆件的制备方法。

Description

涂层、具有该涂层的被覆件及该被覆件的制备方法
技术领域
本发明涉及一种涂层、具有该涂层的被覆件及该被覆件的制备方法,特别涉及一种以真空镀膜的方式形成的涂层、具有该涂层的被覆件及该被覆件的制备方法。
背景技术
真空镀膜工艺在工业领域有着广泛的应用,其中,TiN薄膜镀覆在刀具或模具表面能大幅提高刀具和模具的使用寿命。然而,随着金属切削加工朝高切削速度、高进给速度、高加工温度、高可靠性、长寿命、高精度和良好的切削控制性方面发展,对表面涂层的性能提出了更高的要求。传统的TiN涂层在硬度、韧性及耐磨性等方面已经不能满足要求。
ZrN薄膜由于其硬度与韧性均优于TiN薄膜而受到人们的广泛关注。但单一的ZrN薄膜在硬度、韧性及耐磨性等方面几乎已经没有提高的空间,很难满足现代工业的需求。
发明内容
有鉴于此,有必要提供一种具有高硬度、良好的韧性及耐磨性的涂层。
另外,有必要提供一种具有上述涂层的被覆件。
还有必要提供一种上述被覆件的制备方法。
一种涂层,包括沉积层,该沉积层为ZrYN层,该沉积层以磁控溅射镀膜法形成。
一种被覆件,包括基体、依次形成于该基体表面的结合层及涂层,该结合层为ZrY层,该涂层包括沉积层,该沉积层为ZrYN层。
一种被覆件的制备方法,包括以下步骤:
提供基体;
以锆钇复合靶为靶材,于该基体上磁控溅射镀膜结合层,该结合层为ZrY层;
以氮气为反应气体,以锆钇复合靶为靶材,于该结合层上磁控溅射沉积层,该沉积层为ZrYN层。
相较于现有技术,所述的涂层在其沉积层的形成过程中引入Y原子,该Y原子能够起到细化晶粒的作用,可有效地提高该涂层的硬度、韧性及致密性。所述的被覆件在基体与沉积层之间设置一ZrY结合层,由于该结合层的化学稳定性与热膨胀系数介于基体与沉积层之间,因而可有效提高涂层与基体之间的结合力。所述涂层的硬度、韧性的提高及涂层与基体之间结合力的增强,可显著地提高所述被覆件的耐磨性及使用寿命。
附图说明
图1为本发明较佳实施例的涂层的剖视图;
图2为本发明较佳实施例的被覆件的剖视图。
主要元件符号说明
基体          10
结合层        20
涂层          30
沉积层        31
颜色层        33
被覆件        40
具体实施方式
请参阅图1,本发明一较佳实施例的涂层30形成于一基体的表面。该涂层30包括一沉积层31,该沉积层31为一锆钇氮(ZrYN)层,其厚度为0.5~3.0μm,优选为2.0μm。该涂层30的显微硬度可达47GPa。该涂层30通过磁控溅射法沉积形成。
可以理解的,所述涂层30还可包括镀覆于沉积层31表面的一颜色层33,以增强该涂层30的美观性。
请参阅图2,本发明一较佳实施例的被覆件40包括一基体10、依次形成于该基体10表面的一结合层20及一涂层30。该被覆件40可以为各类切削刀具、精密量具或模具。该基体10的材质可以为高速钢、硬质合金及不锈钢等。
该结合层20用以提高涂层30与基体10之间的结合力。本实施例中,该结合层20为一ZrY层,其厚度为50~200nm,优选为100nm。该结合层20通过磁控溅射法沉积形成。
所述被覆件40的制造方法主要包括如下步骤:
提供一基体10,依次用去离子水和无水乙醇对该基体10表面进行擦拭,将擦拭后的基体10放入盛装有丙酮溶液的超声波清洗器中进行震动清洗,以除去基体10表面的杂质和油污等。清洗完毕后吹干备用。
对经上述处理后的基体10的表面进行氩气等离子体清洗,以进一步去除基体10表面的杂质,同时增加基体10表面的粗糙度,以改善基体10表面与后续涂层的结合力。具体操作及工艺参数可为:将基体10放入一磁控溅射镀膜机(图未示)的镀膜室内,抽真空该镀膜室至真空度为1.0×10-3Pa,以250~500sccm的流量向镀膜室中通入纯度为99.999%的氩气,并于基体10上施加-300~-500V的偏压,在所述镀膜室中形成高频电压,使所述氩气发生离子化而产生氩气等离子体对基体11的表面进行物理轰击,而达到对基体11表面清洗的目的。所述氩气等离子体清洗的时间为3~5min。
完成上述等离子体清洗后,采用磁控溅射的方式在该基体10上形成一结合层20。该结合层20为一ZrY层。形成该结合层20的具体操作方法及工艺参数为:调节镀膜室的氩气(工作气体)流量至100~200sccm,加热镀膜室至100~200℃(即溅射温度为100~200℃),开启一安装于所述磁控溅射镀膜机的镀膜室内的锆钇(ZrY)复合靶材的电源,并设置其功率为5~11kw,于基体10上施加-100~-300V的偏压,沉积结合层20。沉积该结合层20的时间为20~60min。其中,所述锆钇复合靶材中锆(Zr)的质量百分含量为70~90%。
形成所述结合层20后,于该结合层20上形成一沉积层31。该沉积层31为一ZrYN层。形成该沉积层31的具体操作方法及工艺参数为:向镀膜室中通入流量为10~100sccm的氮气(反应气体),于基体10上施加-150~-250V的偏压,沉积沉积层31。沉积该沉积层31的时间为60~180min。其中,所述氮气的纯度为99.999%。
关闭偏压及锆钇复合靶的电源,停止通入氩气及氮气,待所述涂层30冷却后,向镀膜室内通入空气,打开镀膜室门,取出镀覆有结合层20及沉积层31的基体10。
可以理解的,制备所述被覆件40的方法还可包括在该沉积层31的表面镀覆一颜色层33,以增强被覆件40的美观性。
所述的沉积层31在其形成过程中,Y不能与Zr、N形成固溶相,而是以独立形式偏聚在晶界上形成Y相,如此可抑制ZrN晶粒的长大,使得沉积层31中的ZrN晶粒的粒径维持在纳米级,如此可显著地提高所述涂层30的硬度、韧性及致密性。
所述的被覆件40在基体10与沉积层31之间设置一ZrY结合层20,由于该结合层20的化学稳定性与热膨胀系数介于基体10与沉积层31之间,因而可有效提高涂层30与基体10之间的结合力。所述涂层30的硬度、韧性的提高及涂层30与基体10之间结合力的增强,可显著地提高所述被覆件40的耐磨性及使用寿命。
此外,在高温状态下,所述涂层30中的Y将偏析到晶粒边界及相边界,可阻止涂层30中的Zr元素及N元素向外扩散及外界的氧气向涂层30内的扩散,因而还使得所述涂层30具有优良的高温抗氧化能力。

Claims (10)

1.一种涂层,包括沉积层,其特征在于:该沉积层为ZrYN层,该沉积层以磁控溅射镀膜法形成。
2.如权利要求1所述的涂层,其特征在于:该沉积层的厚度为0.5~3.0μm。
3.如权利要求1所述的涂层,其特征在于:该涂层还包括形成于该沉积层上的颜色层。
4.一种被覆件,包括基体、依次形成于该基体表面的结合层及涂层,该涂层包括沉积层,其特征在于:该结合层为ZrY层,该沉积层为ZrYN层。
5.如权利要求4所述的被覆件,其特征在于:该结合层的厚度为50~200nm。
6.如权利要求5所述的被覆件,其特征在于:该基体为高速钢、硬质合金及不锈钢中的一种。
7.一种被覆件的制备方法,包括以下步骤:
提供基体;
以锆钇复合靶为靶材,于该基体上磁控溅射镀膜结合层,该结合层为ZrY层;
以氮气为反应气体,以锆钇复合靶为靶材,于该结合层上磁控溅射沉积层,该沉积层为ZrYN层。
8.如权利要求7所述的被覆件的制备方法,其特征在于:磁控溅射所述结合层的工艺参数为:锆钇复合靶的电源功率为5~11kw,以氩气为工作气体,其流量为100~300sccm,于基体上施加-100~-300V的偏压,溅射时间为20~60min。
9.如权利要求7或8所述的被覆件的制备方法,其特征在于:该锆钇复合靶中锆的质量百分含量为70~90%。
10.如权利要求7所述的被覆件的制备方法,其特征在于:磁控溅射所述沉积层的工艺参数为:氮气的流量为10~100sccm,施加于基体上的偏压为-150~-250V,溅射时间为60~180min。
CN2010102892927A 2010-09-23 2010-09-23 涂层、具有该涂层的被覆件及该被覆件的制备方法 Pending CN102409302A (zh)

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CN113587503A (zh) * 2021-07-30 2021-11-02 浙江康盛科工贸有限公司 耐蚀铜毛细管及其连续加工工艺

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CN111575667B (zh) * 2020-06-23 2022-05-13 上海理工大学 一种界面相为双金属的ZrNiYN纳米复合共格外延涂层及其制备方法

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CN101928916A (zh) * 2010-09-06 2010-12-29 厦门大学 在硬质合金基体表面制备纳米结构氮钇锆硬质涂层的方法

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CN113587503B (zh) * 2021-07-30 2022-09-06 浙江康盛科工贸有限公司 耐蚀铜毛细管及其连续加工工艺

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Application publication date: 20120411