CN104842086A - Nanometer welding layer for welding and preparation method thereof - Google Patents

Nanometer welding layer for welding and preparation method thereof Download PDF

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Publication number
CN104842086A
CN104842086A CN201510233149.9A CN201510233149A CN104842086A CN 104842086 A CN104842086 A CN 104842086A CN 201510233149 A CN201510233149 A CN 201510233149A CN 104842086 A CN104842086 A CN 104842086A
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CN
China
Prior art keywords
nanometer
accounts
welding
account
cbn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510233149.9A
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Chinese (zh)
Inventor
程敬卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
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Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
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Publication date
Application filed by Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd filed Critical Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
Priority to CN201510233149.9A priority Critical patent/CN104842086A/en
Publication of CN104842086A publication Critical patent/CN104842086A/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
    • 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
    • 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
    • B23K35/304—Ni as the principal constituent with Cr as the next major constituent
    • 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
    • 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
    • C22C32/0005—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 at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
    • 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

Abstract

The invention relates to a nanometer welding layer for welding and a preparation method thereof. The nanometer welding layer comprises the following ingredients (mass percent): 9%-18% of Fe, 17%-26% of Ni, 21%-31% of Cr, 18%-22% of B, 18%-22% of Si, 0.5%-1.5% of Al2O3, and 0.5%-1.5% of an additive; the additive is CBN. The preparation method includes the following steps of adopting a gas atomizing method to Fe, Ni, Cr, B, Si, and Al2O3 to prepare a nanosphere, uniformly mixing with the ground CBN to prepare a nanometer solder wire, and finally welding the nanometer solder wire on the surfaces of parts to form the nanometer welding layer. The nanometer welding layer is reasonable in combination of ingredients and prepared by combining a welding technology and a nanometer technology; the nanometer welding layer has high bonding strength, and strong corrosion resistance and wear resistance; the performances of the parts to be repaired are improved, recycling and reusing of the parts can be realized, and the parts can be prolonged in service life.

Description

A kind of welding nanometer layer and preparation method thereof
Technical field
The present invention relates to submerged arc welding technical field, specifically a kind of welding nanometer layer and preparation method thereof.
Background technology
As everyone knows, component of machine is in long-term use procedure, and due to face contact friction and the effect compared with heavy load, cause component of machine working face to wear and tear, mechanical performance sharply declines, and has influence on normal work.Need the component of machine of serious wear to pull down, replace with new parts, the parts for wearing and tearing are then dropped, and cause the serious wasting of resources, make the operation and maintenance cost of equipment higher; Also have and adopt the method for repair welding, to fill up eroded area, but unreasonable due to Material selec-tion, the performance of the component of machine after reparation does not improve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of welding nanometer layer and preparation method thereof.
Technical problem to be solved by this invention realizes by the following technical solutions:
Nanometer layer is used in a kind of welding, comprises the component of following mass percent:
Fe accounts for 9% ~ 18%, Ni and accounts for 17% ~ 26%, Cr and account for that 21% ~ 31%, B accounts for 18% ~ 22%, Si accounts for 18% ~ 22%, Al 2o 3account for 0.5% ~ 1.5%, additive accounts for 0.5% ~ 1.5%;
Described additive is CBN.
The best in quality percentage of described each component is: Fe accounts for 13%, Ni and accounts for 19%, Cr and account for that 26%, B accounts for 20%, Si accounts for 20%, Al 2o 3account for 1%, CBN and account for 1%.The nanometer layer adopting this best in quality percentage to make, makes the performance of nanometer layer reach best.
Weld the preparation method with nanometer layer, described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.Wherein, Al 2o 3can bond strength be increased, reduce the porosity; CBN is that hardness is only second to adamantine superhard material, has the advantage that hardness is high, chemical stability is good, thus improves the Forming Quality of layer, and improve hardness and the stability of layer, wearability is also greatly improved simultaneously.
The present invention, according to said components and proportioning, adopts nanometer technology and solder technology to be hinged, effectively improves the performance of parts after repairing, extend the service life of parts.
The invention has the beneficial effects as follows: instant component collocation rationally, have employed solder technology to combine with nanometer technology, finally make nanometer layer, and the bond strength of nanometer layer is high, corrosion resistance, wearability are strong, improve the performance of parts to be repaired greatly, achieve the recycling of parts, extend the service life of parts.
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:
Nanometer layer is used in a kind of welding, comprises the component of following mass percent:
Fe accounts for 13%, Ni and accounts for 19%, Cr and account for that 26%, B accounts for 20%, Si accounts for 20%, Al 2o 3account for 1%, CBN and account for 1%.
Weld the preparation method with nanometer layer, described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment two:
Nanometer layer is used in a kind of welding, comprises the component of following mass percent:
Fe accounts for 9%, Ni and accounts for 26%, Cr and account for that 22.5%, B accounts for 22%, Si accounts for 18%, Al 2o 3account for 1.5%, CBN and account for 1%.
Weld the preparation method with nanometer layer, described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment three:
Nanometer layer is used in a kind of welding, comprises the component of following mass percent:
Fe accounts for 18%, Ni and accounts for 17%, Cr and account for that 24%, B accounts for 18%, Si accounts for 22%, Al 2o 3account for 0.5%, CBN and account for 0.5%.
Weld the preparation method with nanometer layer, described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
Embodiment four:
Nanometer layer is used in a kind of welding, comprises the component of following mass percent:
Fe accounts for 14%, Ni and accounts for 25%, Cr and account for that 21%, B accounts for 19%, Si accounts for 19%, Al 2o 3account for 0.5%, CBN and account for 1.5%;
Weld the preparation method with nanometer layer, described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire 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 0.146 88.3 626
Embodiment two 0.257 81.6 478
Embodiment three 0.332 79.1 528
Embodiment four 0.262 79.6 471
Mean value 0.249 82.2 526
Contrast groups 0.334 72.6 504
Wherein, contrast groups is common alloy wire.
As known in above-mentioned experimental data, after implementing according to technical scheme of the present invention, solve the defect that porosity is large, bond strength is low that traditional layer exists, the layer bond strength made is high, hardness is high, and corrosion resistance, wearability are strong, and heterogeneous microstructure is even, decrease the porosity, hardness can reach HRC31, thus improves the performance of parts to be repaired, extends the service life of parts.
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 nanometer layer is used in welding, it is characterized in that: the component comprising following mass percent:
Fe accounts for 9% ~ 18%, Ni and accounts for 17% ~ 26%, Cr and account for that 21% ~ 31%, B accounts for 18% ~ 22%, Si accounts for 18% ~ 22%, Al 2o 3account for 0.5% ~ 1.5%, additive accounts for 0.5% ~ 1.5%;
Described additive is CBN.
2. a kind of welding nanometer layer according to claim 1, is characterized in that: the best in quality percentage of described each component is: Fe accounts for 13%, Ni and accounts for 19%, Cr and account for that 26%, B accounts for 20%, Si accounts for 20%, Al 2o 3account for 1%, CBN and account for 1%.
3. a kind of preparation method welded with nanometer layer according to claim 1, is characterized in that: described method step is as follows: described Fe, Ni, Cr, B, Si, Al 2o 3all adopt aerosolization legal system to obtain nanosphere, then make nanometer welding wire with the CBN Homogeneous phase mixing after milled processed, be finally welded on component surface and form nanometer layer.
CN201510233149.9A 2015-05-09 2015-05-09 Nanometer welding layer for welding and preparation method thereof Pending CN104842086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510233149.9A CN104842086A (en) 2015-05-09 2015-05-09 Nanometer welding layer for welding and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104842086A true CN104842086A (en) 2015-08-19

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CN1337295A (en) * 2001-08-11 2002-02-27 无锡威孚吉大新材料应用开发有限公司 Nano metal solder and its prepn
CN1433868A (en) * 2003-01-28 2003-08-06 江汉石油钻头股份有限公司 Tube shape tungsten carbide welding rod containing cubic boron nitride grain
CN1858293A (en) * 2006-06-09 2006-11-08 北京工业大学 Nano micrometer modefied wear resistant erosion resistant thermal coated tubular wire
CN101214593A (en) * 2008-01-18 2008-07-09 孙中强 High-strength abrasion-proof fire resistant nano alloy welding rod
CN101591482A (en) * 2008-11-28 2009-12-02 中国电力科学研究院 A kind of Ni-based coating with abrasion-resistance corrosion-resistance nanometer structure and preparation method
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CN1858293A (en) * 2006-06-09 2006-11-08 北京工业大学 Nano micrometer modefied wear resistant erosion resistant thermal coated tubular wire
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CN101591482A (en) * 2008-11-28 2009-12-02 中国电力科学研究院 A kind of Ni-based coating with abrasion-resistance corrosion-resistance nanometer structure and preparation method
CN101829859A (en) * 2010-02-04 2010-09-15 哈尔滨工业大学 Nano Fe-enhanced low temperature leadless composite soldering paste and preparation method thereof
CN102581519A (en) * 2012-04-06 2012-07-18 哈尔滨工业大学 Modified Fe-Cr-B surfacing material
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Application publication date: 20150819