CN104874938A - 一种Co-Ti-Mo-W纳米焊层及其制备方法 - Google Patents

一种Co-Ti-Mo-W纳米焊层及其制备方法 Download PDF

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CN104874938A
CN104874938A CN201510233258.0A CN201510233258A CN104874938A CN 104874938 A CN104874938 A CN 104874938A CN 201510233258 A CN201510233258 A CN 201510233258A CN 104874938 A CN104874938 A CN 104874938A
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程敬卿
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Anhui Dingheng Industry Group Co ltd
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WUHU DINGHENG MATERIALS TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/30Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3046Co as the principal constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/07Alloys based on nickel or cobalt based on cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/04Welding for other purposes than joining, e.g. built-up welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/18Submerged-arc welding

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Arc Welding In General (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

本发明涉及一种Co-Ti-Mo-W纳米焊层及其制备方法,包括以下质量百分比的组分:Co占76%~81%,Ti占8%~20%、Mo占3%~5%、W占3%~5%、Al2O3占0.5%~1.5%,Gr占1%~2%。所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。本发明制成的纳米焊层具有组分搭配合理、耐磨性和耐腐蚀性强等优点,弥补了传统的焊条存在了结合强度低、耐磨性、耐腐蚀性差的缺陷,改善了零部件的使用性能,延长了零部件的使用寿命,节省了设备使用和维护的成本。

Description

一种Co-Ti-Mo-W纳米焊层及其制备方法
技术领域
本发明涉及埋弧焊焊接技术领域,具体的说是一种Co-Ti-Mo-W纳米焊层及其制备方法。
背景技术
增材是一种较为常见的零部件修补方式,如对于模具的修改,常常选择特定的焊条通过焊接的方式,与原模具结合构成一体,再利用打磨和抛光处理的方式,使模具的结构外形符合实际的使用需求。再如,已磨损的机械零部件,通常采用焊接的方式,以实现对磨损区域的填补,但是传统的焊条内部组分构成简单,形成的焊层只能够对零部件的外形进行弥补,并不能够对零部件的性能进行改善,结合强度较低,耐磨性和耐腐蚀性较差,不能满足零部件修复的高质量的要求。
发明内容
本发明所要解决的技术问题是提供一种Co-Ti-Mo-W纳米焊层及其制备方法。
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-Ti-Mo-W纳米焊层,包括以下质量百分比的组分:Co占76%~81%,Ti占8%~20%、Mo占3%~5%、W占3%~5%、Al2O3占0.5%~1.5%,Gr占1%~2%。
一种Co-Ti-Mo-W纳米焊层的制备方法,所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。按照本发明的组分和配比进行加工,制成的纳米焊层的结合强度高,耐磨性和耐腐蚀性强,与零部件结合后,极大的改善了零部件的使用性能。
所述组分的最佳质量百分比为:Co占78%,Ti占12%、Mo占4%、W占3.5%、Al2O3占1%,Gr占1.5%。
Co即钴,与其它组分制成混合物,并最终制成纳米焊层,经过打磨、抛光处理后,焊层表面会出现淡蓝的光泽,从而有助于区分已修复零部件与新零部件,避免零部件之间的混淆。Ti本身具有较强的耐腐蚀性,化学性能稳定,以保证焊层成型后的质量;Mo具有高温强度好、硬度高、密度大、抗腐蚀能力强、热膨胀系数小等优点,有助于进一步提升焊层的硬度,改善焊层的耐高温和耐腐蚀的特性;Al2O3有助于提高焊层的结合强度,减小气孔率。
本发明的有益效果是:本发明制成的纳米焊层具有组分搭配合理、耐磨性和耐腐蚀性强等优点,弥补了传统的焊条存在了结合强度低、耐磨性、耐腐蚀性差的缺陷,改善了零部件的使用性能,延长了零部件的使用寿命,节省了设备使用和维护的成本。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面对本发明进一步阐述。
实施例一:
一种Co-Ti-Mo-W纳米焊层,包括以下质量百分比的组分:Co占78%,Ti占12%、Mo占4%、W占3.5%、Al2O3占1%,Gr占1.5%。
一种Co-Ti-Mo-W纳米焊层的制备方法,所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。
实施例二:
一种Co-Ti-Mo-W纳米焊层,包括以下质量百分比的组分:Co占81%,Ti占11.5%、Mo占3%、W占3%、Al2O3占0.5%,Gr占1%。
一种Co-Ti-Mo-W纳米焊层的制备方法,所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。
实施例三:
一种Co-Ti-Mo-W纳米焊层,包括以下质量百分比的组分:Co占78.5%,Ti占8%、Mo占5%、W占5%、Al2O3占1.5%,Gr占2%。
一种Co-Ti-Mo-W纳米焊层的制备方法,所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。
实施例四:
一种Co-Ti-Mo-W纳米焊层,包括以下质量百分比的组分:Co占76%,Ti占15%、Mo占3%、W占4%、Al2O3占1%,Gr占1%。
一种Co-Ti-Mo-W纳米焊层的制备方法,所述方法步骤如下:所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。
为了论证本发明的实际效果,特采用埋弧焊焊接技术在轧辊上制备了纳米焊层,将实施例一至实施例四实施后,分别测试了焊层的结合强度、显微硬度、气孔率以及抗磨粒磨损性能,并利用XRD对焊层进行了相结构分析。实验结果如下:
编号 孔隙率(AREA%) 结合强度(MPa) 显微硬度(HV)
实施例一 0.318 87.7 663
实施例二 0.331 85.7 614
实施例三 0.325 78.4 642
实施例四 0.346 81.1 622
平均值 0.330 83.2 635
对比组 0.516 71.3 509
其中,对比组为普通合金丝材。
由上述实验对比数据可知,本发明采用纳米材料经过焊接后形成纳米焊层,相比于传统的焊条制成的焊层,具有较高的结合强度和显微硬度,孔隙率较小,可使零部件的性能得以改善,最终达到延长零部件使用寿命的目的。
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,本发明不受步骤实施例的限制,步骤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 (3)

1.一种Co-Ti-Mo-W纳米焊层,其特征在于:包括以下质量百分比的组分:
Co占76%~81%,Ti占8%~20%、Mo占3%~5%、W占3%~5%、Al2O3占0.5%~1.5%,Gr占1%~2%。
2.根据权利要求1所述的一种Co-Ti-Mo-W纳米焊层,其特征在于:所述组分的最佳质量百分比为:Co占78%,Ti占12%、Mo占4%、W占3.5%、Al2O3占1%,Gr占1.5%。
3.根据权利要求1所述的一种Co-Ti-Mo-W纳米焊层的制备方法,其特征在于:所述方法步骤如下:
所述Co、Ti、Mo、W、Al2O3、Gr均采用气雾化法制得纳米球,再均匀混合制成纳米焊条,最终焊接在零部件表面形成纳米焊层。
CN201510233258.0A 2015-05-09 2015-05-09 一种Co‑Ti‑Mo‑W纳米焊层的制备方法 Expired - Fee Related CN104874938B (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
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EP0293695A1 (en) * 1987-06-01 1988-12-07 General Electric Company Alloy powder mixture for treating alloys
CN1994656A (zh) * 2005-12-15 2007-07-11 通用电气公司 钎焊合金组合物
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CN104388885A (zh) * 2014-10-30 2015-03-04 安徽鼎恒再制造产业技术研究院有限公司 一种高硬度Ni60A-WC纳米涂层及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293695A1 (en) * 1987-06-01 1988-12-07 General Electric Company Alloy powder mixture for treating alloys
CN1994656A (zh) * 2005-12-15 2007-07-11 通用电气公司 钎焊合金组合物
CN101591482A (zh) * 2008-11-28 2009-12-02 中国电力科学研究院 一种耐磨耐蚀纳米结构Ni基涂层及制备方法
CN104388885A (zh) * 2014-10-30 2015-03-04 安徽鼎恒再制造产业技术研究院有限公司 一种高硬度Ni60A-WC纳米涂层及其制备方法

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