CN104827205A - Co-Ni-Fe-B welding layer material and preparation method thereof - Google Patents
Co-Ni-Fe-B welding layer material and preparation method thereof Download PDFInfo
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- CN104827205A CN104827205A CN201510233672.1A CN201510233672A CN104827205A CN 104827205 A CN104827205 A CN 104827205A CN 201510233672 A CN201510233672 A CN 201510233672A CN 104827205 A CN104827205 A CN 104827205A
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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
- B23K35/3046—Co 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
- B23K35/22—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
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The invention relates to a Co-Ni-Fe-B welding layer material and a preparation method thereof. The Co-Ni-Fe-B welding layer material comprises the following components in parts by mass: 31-44 parts of Co, 26-38 parts of Ni, 17 parts of Fe, 14 parts of B, 0.07 part of Zn and 1 part of Al2O3. The preparation method comprises the following steps: firstly, preparing Co-Ni-Fe-B nano-spheres by using a gas atomization method; secondly, adding the Al2O3; finally, preparing nano-powder by using an active agent protecting method. The Co-Ni-Fe-B welding layer material has the characteristics of high strength of alloy steel, high corrosion resistance of titanium metal, high static friction coefficient and the like; the hardness of a prepared welding layer can reach HRC36, and the welding layer has higher bonding strength and lower porosity; the bonding strength and the gripping force are higher, the thickness of the welding layer reaches 6mm, and the compactness is as high as 0.82.
Description
Technical field
The present invention relates to technical field of hot, is a kind of Co-Ni-Fe-B welding layer material and preparation method thereof specifically.
Background technology
Along with improving constantly engineering mechanical device performance requirement, successively occurred that many kinds are efficient, the new welding method of high-quality in recent years, but the application of submerged-arc welding, open arc welding is not still affected.
But the silk material poor bonding strength that traditional process for treating surface uses, the porosity is high, utilization rate is low, but seriously constrains the development of submerged-arc welding, open arc welding.Novel welding silk material compensate for these defects, and adopt new technology, material that new method, new formula are obtained has high rigidity, high bond strength, corrosion resistance, heterogeneous microstructure is even, the features such as materials'use rate is high, and comprehensive mechanical property is excellent.Aero-Space, industrial production, mould can be widely used in and the field such as manufacture again.In order to widen the range of application of submerged-arc welding, open arc welding, people need applicable submerged-arc welding, open arc welding application, can improve the new material of welding quality.
Summary of the invention
In order to make up the deficiency of traditional welding layer material, the invention provides a kind of Co-Ni-Fe-B welding layer material and preparation method thereof.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of Co-Ni-Fe-B welding layer material, the mass fraction of its component and each component is that Co accounts for 31-44 part, Ni accounts for 26-38 part, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part, described Al
2o
3add the bond strength of material, reduce the porosity.
It is the important source material of producing heat-resisting alloy, carbide alloy, anti-corrosion alloy, magnetic alloy and various cobalt salt that the physics of Co, chemical property determine it.Cobalt-base alloys or cobalt-containing alloy steel are used as the heat-resistant part of various high load capacity and the important meals material of atomic energy industry in the blade of gas turbine, impeller, conduit, jet engine, rocket engine, the parts of guided missile and chemical industry equipment.As the binding agent in powder metallurgy, Co can ensure that carbide alloy has certain toughness.
The alloy of Ni and Fe can be improved mechanical strength, and can be used for manufacturing machine bears larger pressure, withstands shocks and the part of reciprocal loaded portion, as turbo blade, bent axle, connecting rod etc.
A preparation method for Co-Ni-Fe-B welding layer material, comprises the following steps:
(1) aerosolization legal system is adopted to obtain the nanosphere of Co-Ni-Fe-B;
(2) Al is added in obtained in step (1) nanosphere
2o
3, finally adopt activating agent Protection Code to obtain nanometer powder.
The invention has the beneficial effects as follows: the high strength of the existing alloy steel products of the present invention, has again the features such as the excellent corrosion resistance of titanium, high confficient of static friction.The hardness of the layer that the present invention obtains can reach HRC36, there is higher bond strength and the less porosity, bond strength, grasping force are high, and layer thickness can reach 6 millimeters, and density is well 0.82, be applicable to submerged-arc welding, also can be used as the primer of thermally sprayed coating material, there is excellent bond strength, at identical conditions, conjugation of the present invention is about 1.3 times of common silk material bond strength, and visible the present invention has excellent welding performance.
Detailed description of the invention
The technological means realized to make the present invention and creation characteristic are easy to understand, and set forth further below to the present invention.
Embodiment one:
A kind of Co-Ni-Fe-B welding layer material, the mass fraction of its component and each component is that Co accounts for 31 parts, Ni accounts for 26 parts, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part.
A preparation method for Co-Ni-Fe-B welding layer material, comprises the following steps:
(1) aerosolization legal system is adopted to obtain the nanosphere of Co-Ni-Fe-B;
(2) Al is added in obtained in step (1) nanosphere
2o
3, finally adopt activating agent Protection Code to obtain nanometer powder.
Embodiment two:
A kind of Co-Ni-Fe-B welding layer material, the mass fraction of its component and each component is that Co accounts for 35 parts, Ni accounts for 28 parts, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part.
A preparation method for Co-Ni-Fe-B welding layer material, with embodiment one.
Embodiment three:
A kind of Co-Ni-Fe-B welding layer material, the mass fraction of its component and each component is that Co accounts for 39 parts, Ni accounts for 35 parts, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part.
A preparation method for Co-Ni-Fe-B welding layer material, with embodiment one.
Embodiment four:
A kind of Co-Ni-Fe-B welding layer material, the mass fraction of its component and each component is that Co accounts for 44 parts, Ni accounts for 38 parts, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part.
A preparation method for Co-Ni-Fe-B welding layer material, with embodiment one.
Adopt submerged arc welding technology obtained Co-Ni-Fe-B layer on the roll being matrix with 20Co steel, the matrix with described layer and bond strength, microhardness, the porosity and the abrasive wear resistance contrast and experiment without the matrix of described layer are in table 1:
The performance comparison experimental result of table 1 Co-Ni-Fe-B layer and 20Co steel matrix:
| Experimental group is numbered | Porosity (AREA%) | Bond strength (MPa) | Microhardness (HV) |
| 1 | 0.386 | 86.4 | 574 |
| 2 | 0.392 | 90.2 | 633 |
| 3 | 0.268 | 84.6 | 563 |
| 4 | 0.251 | 82.5 | 742 |
| Mean value | 0.324 | 85.9 | 628 |
| Contrast groups | 0.487 | 61.7 | 573 |
In the present invention, the selection of welding wire used should consider the impact of flux constituent, considers the impact of matrix constituent again.For reaching required weld metal composition, the welding manner that a kind of solder flux (fysed flux) coordinates with several welding wire can be adopted, also can adopt the welding manner that a kind of welding wire coordinates with several solder flux (sintered flux).
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 restricted to the described embodiments; the just principle of the present invention described in above-described 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 (2)
1. a Co-Ni-Fe-B welding layer material, is characterized in that: the mass fraction of its component and each component is that Co accounts for 31-44 part, Ni accounts for 26-38 part, Fe accounts for 17 parts, B accounts for 14 parts, Zn accounts for 0.07 part, Al
2o
3account for 1 part.
2. a preparation method for Co-Ni-Fe-B welding layer material, is characterized in that: comprise the following steps:
(1) aerosolization legal system is adopted to obtain the nanosphere of Co-Ni-Fe-B;
(2) Al is added in obtained in step (1) nanosphere
2o
3, finally adopt activating agent Protection Code to obtain nanometer powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233672.1A CN104827205A (en) | 2015-05-09 | 2015-05-09 | Co-Ni-Fe-B welding layer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233672.1A CN104827205A (en) | 2015-05-09 | 2015-05-09 | Co-Ni-Fe-B welding layer material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104827205A true CN104827205A (en) | 2015-08-12 |
Family
ID=53805597
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233672.1A Pending CN104827205A (en) | 2015-05-09 | 2015-05-09 | Co-Ni-Fe-B welding layer material and preparation method thereof |
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| CN (1) | CN104827205A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287577A (en) * | 1998-10-16 | 2001-03-14 | 欧罗钨粉公司 | Micronic pre-alloyed metal powder based on three dimensional transition metal |
| JP2004090045A (en) * | 2002-08-30 | 2004-03-25 | Nippon Steel Corp | Gas shielded arc welding wire for low alloy steel excellent in hydrochloric acid resistance and sulfuric acid resistance, and gas shielded arc welding method using same |
| CN1607990A (en) * | 2001-11-21 | 2005-04-20 | 达纳加拿大公司 | Fluxless brazing method and compositions of layered material systems for brazing aluminum or dissimilar metals |
| CN101029376A (en) * | 2007-04-12 | 2007-09-05 | 北京科技大学 | Fe-based amorphous nano-coating powder and its argon atomization production |
| CN102699535A (en) * | 2012-06-04 | 2012-10-03 | 哈尔滨工程大学 | Magnesium and steel special metal superaudio frequency pulse laser smelting braze-welding wire and welding method |
| CN104264096A (en) * | 2014-09-11 | 2015-01-07 | 芜湖鼎瀚再制造技术有限公司 | Ni60B-Al2O3 nano-coating and preparation method thereof |
-
2015
- 2015-05-09 CN CN201510233672.1A patent/CN104827205A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287577A (en) * | 1998-10-16 | 2001-03-14 | 欧罗钨粉公司 | Micronic pre-alloyed metal powder based on three dimensional transition metal |
| CN1607990A (en) * | 2001-11-21 | 2005-04-20 | 达纳加拿大公司 | Fluxless brazing method and compositions of layered material systems for brazing aluminum or dissimilar metals |
| JP2004090045A (en) * | 2002-08-30 | 2004-03-25 | Nippon Steel Corp | Gas shielded arc welding wire for low alloy steel excellent in hydrochloric acid resistance and sulfuric acid resistance, and gas shielded arc welding method using same |
| CN101029376A (en) * | 2007-04-12 | 2007-09-05 | 北京科技大学 | Fe-based amorphous nano-coating powder and its argon atomization production |
| CN102699535A (en) * | 2012-06-04 | 2012-10-03 | 哈尔滨工程大学 | Magnesium and steel special metal superaudio frequency pulse laser smelting braze-welding wire and welding method |
| CN104264096A (en) * | 2014-09-11 | 2015-01-07 | 芜湖鼎瀚再制造技术有限公司 | Ni60B-Al2O3 nano-coating and preparation method thereof |
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Application publication date: 20150812 |
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