CN104842087A - Ni-Mn-Mo (nickel-Magnesium-Molybdenum) nano-welding layer and preparation method thereof - Google Patents

Ni-Mn-Mo (nickel-Magnesium-Molybdenum) nano-welding layer and preparation method thereof Download PDF

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Publication number
CN104842087A
CN104842087A CN201510236490.XA CN201510236490A CN104842087A CN 104842087 A CN104842087 A CN 104842087A CN 201510236490 A CN201510236490 A CN 201510236490A CN 104842087 A CN104842087 A CN 104842087A
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China
Prior art keywords
nano
welding
accounts
cbn
preparation
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Pending
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CN201510236490.XA
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Chinese (zh)
Inventor
程敬卿
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Wuhu Dinghan Remanufacturing Technology Co Ltd
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Wuhu Dinghan Remanufacturing Technology Co Ltd
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Priority to CN201510236490.XA priority Critical patent/CN104842087A/en
Publication of CN104842087A publication Critical patent/CN104842087A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261—Rods, electrodes, wires
    • 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
    • C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B23K9/044—Built-up welding on three-dimensional surfaces
    • B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-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)

Abstract

The invention relates to a Ni-Mn-Mo (nickel-Magnesium-Molybdenum) nano-welding layer and a preparation method thereof. The Ni-Mn-Mo nano-welding layer comprises the following components in parts by weight: 26-41% of Ni, 10-14% of Mn, 5-8% of Mo, 44-63% of TiO2 (Titanium Dioxide) and 1-2% of additive, wherein the additive in a CBN (Cubic Boron Nitride). The method comprises the following steps: preparing nano-balls by Ni, Mo, Mn and TiO2 by adopting a gas atomization method, uniformly mixing the nano-balls and the ground CBN to obtain nano welding rods, and finally welding the nano welding rods on the surface of a part to form a nano-welding layer. According to the Ni-Mn-Mo nano-welding layer and the preparation method provided by the invention, a nano-technology can be applied to the welding field, the welding layer is formed on the surface of a to-be-repaired part by the nano welding rods by adopting a welding way and is high in bonding strength, hard in texture and high in wearability and corrosion resistance, the usability of the pair can be improved, the service life of the part can be prolonged, the way of frequently changing the parts can be prevented, and the equipment use and maintenance cost can be reduced.

Description

A kind of Ni-Mn-Mo nanometer layer and preparation method thereof
Technical field
The present invention relates to submerged arc welding technical field, specifically a kind of Ni-Mn-Mo nanometer layer and preparation method thereof.
Background technology
Along with the development of science and technology, nano material has been applied in industry, military and space cause gradually, instead of the product that traditional common material is made, improves the performance of product greatly, extend the service life of product.Meanwhile, nano material is also applied in parts reparation field gradually, especially the parts reparation of machinery industry.The defect of component of machine itself and mechanical wear are changed as carrying out not in time and are repaired, can cause parts serviceability decline, service life shorten even rupture, there is potential safety hazard, existing factory is mostly by after part replacement, any recovery measure is not taked to the parts worn and torn, the serious wasting of resources can be caused like this, and the operation and maintenance cost of equipment is uprised, have influence on the economic benefit of factory.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Ni-Mn-Mo nanometer layer and preparation method thereof.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of Ni-Mn-Mo nanometer layer, comprises the component of following mass percent:
Ni accounts for that 26% ~ 41%, Mn accounts for 10% ~ 14%, Mo accounts for 5% ~ 8%, TiO 2account for 44% ~ 63%, additive accounts for 1% ~ 2%;
Described additive is CBN.
The best in quality percentage of described component is: Ni accounts for 33.5%, Mn and accounts for 12%, Mo and account for 7%, TiO 2account for 46%, CBN and account for 1.5%.
The present invention with the addition of TiO 2, thus overall hardness, chemical stability and resistance to elevated temperatures are improved.CBN and cubic boron nitride, be that hardness is only second to adamantine superhard material, have higher heat endurance and chemical stability, have higher wearability and corrosion resistance simultaneously, thus add the hardness of layer, improve wearability and the corrosion resistance of layer.
A preparation method for Ni-Mn-Mo nanometer layer, described method step is as follows: described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.The nanometer layer hardness that the present invention makes is high, and significantly, bond strength is high, ultimately improves the serviceability of parts to be repaired, extends the service life of parts for wearability and high-temperature stability.
The invention has the beneficial effects as follows: nanometer technology is applied in welding field by the present invention, the nano welding rod made utilizes the mode of welding to form layer at component surface to be repaired, this nanometer layer bond strength is high, quality is hard, wearability and corrosion resistance high, not only realize the reparation to parts wear and defect area, also improve the serviceability of parts greatly, in the service life of elongated component, avoid and change parts frequently, reduce the cost of equipment use and maintenance.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
Embodiment one:
A kind of Ni-Mn-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for 33.5%, Mn and accounts for 12%, Mo and account for 7%, TiO 2account for 46%, CBN and account for 1.5%.
A preparation method for Ni-Mn-Mo nanometer layer, described method step is as follows: described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment two:
A kind of Ni-Mn-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for that 30%, Mn accounts for 10%, Mo accounts for 5%, TiO 2account for 54%, CBN and account for 1%.
A preparation method for Ni-Mn-Mo nanometer layer, described method step is as follows: described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment three:
A kind of Ni-Mn-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for that 26%, Mn accounts for 14%, Mo accounts for 8%, TiO 2account for 50%, CBN and account for 2%.
A preparation method for Ni-Mn-Mo nanometer layer, described method step is as follows: described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment four:
A kind of Ni-Mn-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for that 38%, Mn accounts for 11%, Mo accounts for 6%, TiO 2account for 44%, CBN and account for 1%.
A preparation method for Ni-Mn-Mo nanometer layer, described method step is as follows: described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
In order to prove actual effect of the present invention, the special submerged arc welding technology that adopts has prepared nanometer layer on roll, after embodiment one to embodiment four is implemented, test the bond strength of layer, microhardness, the porosity and abrasive wear resistance respectively, and utilize XRD to carry out Phase Structure Analysis to layer.Experimental result is as follows:
Numbering Porosity (AREA%) Bond strength (MPa) Microhardness (HV)
Embodiment one 0.235 88.7 736
Embodiment two 0.263 82.4 664
Embodiment three 0.271 81.9 687
Embodiment four 0.251 80.9 722
Mean value 0.255 83.5 702.3
Contrast groups 0.539 65.1 614
Wherein, contrast groups is common alloy wire.
From above-mentioned Experimental comparison's data, the present invention adopts nano material to form nanometer layer after welding, compared to the layer that traditional welding rod is made, there is higher bond strength and microhardness, porosity, the performance of parts can be made to be improved, finally to reach the object in elongated component service life.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not by the restriction of step embodiment; the just principle of the present invention described in step embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (3)

1. a Ni-Mn-Mo nanometer layer, is characterized in that: the component comprising following mass percent:
Ni accounts for that 26% ~ 41%, Mn accounts for 10% ~ 14%, Mo accounts for 5% ~ 8%, TiO 2account for 44% ~ 63%, additive accounts for 1% ~ 2%;
Described additive is CBN.
2. a kind of Ni-Mn-Mo nanometer layer according to claim 1, is characterized in that: the best in quality percentage of described component is: Ni accounts for 33.5%, Mn and accounts for 12%, Mo and account for 7%, TiO 2account for 46%, CBN and account for 1.5%.
3. the preparation method of a kind of Ni-Mn-Mo nanometer layer according to claim 1, is characterized in that: described method step is as follows:
Described Ni, Mo, Mn, TiO 2all adopt aerosolization legal system to obtain nanosphere, then make nano welding rod with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
CN201510236490.XA 2015-05-09 2015-05-09 Ni-Mn-Mo (nickel-Magnesium-Molybdenum) nano-welding layer and preparation method thereof Pending CN104842087A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517828A (en) * 2016-11-02 2017-03-22 北京工业大学 Laser welding method for connecting molybdenum-group glass/kovar alloy by adding Mo-Mn-Ni metal interlayer

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CN104233084A (en) * 2014-09-11 2014-12-24 芜湖鼎瀚再制造技术有限公司 Fe-Gr-B-Si nano-coating and preparation method thereof
CN104264025A (en) * 2014-09-11 2015-01-07 芜湖鼎瀚再制造技术有限公司 Ni45-WC nano coating and preparation method thereof
CN104264099A (en) * 2014-09-17 2015-01-07 芜湖鼎瀚再制造技术有限公司 Fe-Gr-Si nano coating and preparation method thereof
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WO2011072213A2 (en) * 2009-12-10 2011-06-16 Virginia Commonwealth University Production of graphene and nanoparticle catalysts supported on graphene using laser radiation
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517828A (en) * 2016-11-02 2017-03-22 北京工业大学 Laser welding method for connecting molybdenum-group glass/kovar alloy by adding Mo-Mn-Ni metal interlayer
CN106517828B (en) * 2016-11-02 2019-04-26 北京工业大学 It is a kind of that molybdenum group glass/kovar alloy laser soldering method is connected by addition Mo-Mn-Ni metal intermediate layer

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Application publication date: 20150819