CN105728980A - Nickel-based heterogeneous electrode for welding cast iron and manufacture method thereof - Google Patents
Nickel-based heterogeneous electrode for welding cast iron and manufacture method thereof Download PDFInfo
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- CN105728980A CN105728980A CN201610243448.5A CN201610243448A CN105728980A CN 105728980 A CN105728980 A CN 105728980A CN 201610243448 A CN201610243448 A CN 201610243448A CN 105728980 A CN105728980 A CN 105728980A
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- Prior art keywords
- parts
- cast iron
- based heterogeneous
- electrode
- manufacture method
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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
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
-
- 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
- B23K35/404—Coated rods; Coated electrodes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
Abstract
The application discloses a nickel-based heterogeneous electrode for welding cast iron and a manufacture method thereof. The nickel-based heterogeneous electrode comprises a core wire and a covering, wherein the covering comprises the following components in parts by weight: 20-30 parts of marble, 1.0-2.0 parts of mid-carbon ferromanganese, 5-10 parts of fluorite, 3.2-7 parts of an X-shaped alloy material, 4-7 parts of iron sand, 1.5-4 parts of silver flaky graphite, 1-3.7 parts of degreased aluminum and silver powder, 6-9 parts of A type graphite, 30-40 parts of barium carbonate and 3-10 parts of magnesia; and the core wire comprises 99.5% of Ni. The nickel-based heterogeneous electrode for welding cast iron and the manufacture method thereof have the advantages that the nickel-based heterogeneous electrode for welding cast iron, manufactured by the manufacture method prevents cementite from being separated out, and the whitening inclination of the electrode used for cast iron repair welding can be greatly reduced.
Description
Technical field
The disclosure relates generally to welding technology field, is specifically related to welding rod field, particularly relates to a kind of Ni-based heterogeneous electrode for cast iron and manufacture method thereof.
Background technology
Cast iron is applied widely, such as structural member cast structure parts such as bed piece, cylinder, casings.But, the feature of cast iron is carbon and sulfur, phosphorus impurities content height, and uneven microstructure, plasticity is low, belongs to the material that weldability is bad.The subject matter easily occurred during cast iron welding, one is that welding point region spoken parts in traditional operas and hardened structure easily occurs, and two is crackle easily occur.Electrode for cast iron (or soldering) is roughly divided into cold welding, half hot weld and hot weld three kinds, and the selection of wlding is divided into homogeneity weld seam and heterogeneous sea welding two class.Domestic at present can provide tens of kinds of electrode for cast irons, can according to the characteristic of electrode for cast iron, the requirement (such as whether machining) of butt welding dribbleware, the performance of cast iron materials and the importance etc. of soldering part are selected respectively.
, owing to phosphorus content is too high in welding process, all inevitably there is air chill in current domestic production electrode for cast iron, and cracking resistance is poor.Mechanical processing of casting poor performance after welding, major part welder will note welding maneuver when welding, adopts arrow path during such as arc manipulation, and short weld seam, hand hammer hammering weld seam eliminate soldering district stress, it is to avoid crackle.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide the Ni-based heterogeneous electrode for cast iron of a kind of air chill tendency reducing cast iron back-welding welding rod.
The present invention provides a kind of Ni-based heterogeneous electrode for cast iron, and including core wire and coating, in parts by weight, the coating of Ni-based heterogeneous electrode for cast iron comprises following components:
Marble: 20～30 parts, mid-carbon fe-mn: 1.0～2.0 parts, fluorite: 5～10 parts, X-type alloy material: 3.2～7 parts, iron ore: 4～7 parts, silver strip graphite: 1.5～4 parts, defat aluminum argentum powder: 1～3.7 part, A type graphite: 6～9 parts, brium carbonate: 30～40 parts, magnesia: 3～10 parts；
Core wire contains the Ni of 99.5%.
The present invention provides the manufacture method of a kind of Ni-based heterogeneous electrode for cast iron, the steps include:
Make the coating of Ni-based heterogeneous electrode for cast iron, count by weight, take following components:
Marble: 20～30 parts, mid-carbon fe-mn: 1.0～2.0 parts, fluorite: 5～10 parts, X-type alloy material: 3.2～7 parts, iron ore: 4～7 parts, silver strip graphite: 1.5～4 parts, defat aluminum argentum powder: 1～3.7 part, A type graphite: 6～9 parts, brium carbonate: 30～40 parts, magnesia: 3～10 parts；
Each for coating component is dry mixed, is subsequently adding waterglass, continue stirring；
Being evenly coated on core wire by the coating after stirring, suppression electrode, wherein core wire contains the Ni of 99.5%；
Compressing welding rod is sent into high temperature drying stove after natural drying bakee.
The Ni-based heterogeneous electrode for cast iron that the Ni-based heterogeneous electrode for cast iron of the present invention and manufacture method thereof manufacture, by cast iron welding seam composition being designed as non-cast iron heterogeneous sea welding composition, utilize the single phase austenite tissue of nickel-base alloy, fundamentally solve cast iron type weld seam in cooling procedure, precipitate out the mode of cementite, carbon and alloying element is made to be dissolved in single phase austenite in solid solution mode, avoid the precipitation of cementite, it is possible to make the air chill tendency of cast iron back-welding welding rod greatly reduce.
Detailed description of the invention
Below in conjunction with embodiment, the application is described in further detail.It is understood that specific embodiment described herein is used only for explaining related invention, but not the restriction to this invention.
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.The application is described in detail below with reference to embodiment.
Embodiment one
Count by weight, take following components:
Marble: 20 parts, mid-carbon fe-mn: 1.0 parts, fluorite: 5 parts, X-type alloy material: 3.2 parts, iron ore: 4 parts, silver strip graphite: 1.5 parts, defat aluminum argentum powder: 1 part, A type graphite: 6 parts, brium carbonate: 30 parts, magnesia: 3 parts；
The component of acquirement is dry mixed, is subsequently adding potassium sodium ratio for 3:1 potassium-sodium water glass, continues stirring, be fabricated to coating；
Being evenly coated on core wire by the coating after stirring, suppression electrode, wherein core wire contains the Ni of 99.5%；
Compressing welding rod being sent into high temperature drying stove after natural drying bakee, stoving temperature is 280 degree.
Embodiment two
Count by weight, take following components:
Marble: 30 parts, mid-carbon fe-mn: 2.0 parts, fluorite: 10 parts, X-type alloy material: 7 parts, iron ore: 7 parts, silver strip graphite: 4 parts, defat aluminum argentum powder: 3.7 parts, A type graphite: 9 parts, brium carbonate: 40 parts, magnesia: 10 parts；
The component of acquirement is dry mixed, is subsequently adding potassium sodium ratio for 3:1 potassium-sodium water glass, continues stirring, be fabricated to coating；
Being evenly coated on core wire by the coating after stirring, suppression electrode, wherein core wire contains the Ni of 99.5%；
Compressing welding rod being sent into high temperature drying stove after natural drying bakee, stoving temperature is 280 degree.
Embodiment three
Count by weight, take following components:
Marble: 25 parts, mid-carbon fe-mn: 1.4 parts, fluorite: 7 parts, X-type alloy material: 5.2 parts, iron ore: 5 parts, silver strip graphite: 2.5 parts, defat aluminum argentum powder: 2.4 parts, A type graphite: 7 parts, brium carbonate: 34 parts, magnesia: 7 parts；
The component of acquirement is dry mixed, is subsequently adding potassium sodium ratio for 3:1 potassium-sodium water glass, continues stirring, be fabricated to coating；
Being evenly coated on core wire by the coating after stirring, suppression electrode, wherein core wire contains the Ni of 99.5%；
Compressing welding rod being sent into high temperature drying stove after natural drying bakee, stoving temperature is 280 degree.
The Ni-based heterogeneous electrode for cast iron of each embodiment manufacture carries out weld seam every Metal Mechanic Property such as following table that welding is formed, and wherein guarantee value is the minimum standards of metal welding seam.
Experimental result by every mechanical property of butt welded seam above, use the Ni-based heterogeneous electrode for cast iron of the present invention and the Ni-based heterogeneous electrode for cast iron processing weld seam of manufacture method thereof, substantially increase the properties such as the tensile strength of weld seam, percentage elongation, decrease the hardness of weld seam.
Cast iron welding seam composition is designed as non-cast iron heterogeneous sea welding composition by the present invention, utilize the single phase austenite tissue of nickel-base alloy, fundamentally solve cast iron type weld seam in cooling procedure, precipitate out the mode of cementite, carbon and alloying element is made to be dissolved in single phase austenite in solid solution mode, avoid the precipitation of cementite, make the air chill tendency of cast iron back-welding welding rod be greatly reduced.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Skilled artisan would appreciate that, invention scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, when also should be encompassed in without departing from described inventive concept simultaneously, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed.Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed.
Claims (4)
1. a Ni-based heterogeneous electrode for cast iron, including core wire and coating, it is characterised in that in parts by weight, described coating comprises following components:
Marble: 20～30 parts, mid-carbon fe-mn: 1.0～2.0 parts, fluorite: 5～10 parts, X-type alloy material: 3.2～7 parts, iron ore: 4～7 parts, silver strip graphite: 1.5～4 parts, defat aluminum argentum powder: 1～3.7 part, A type graphite: 6～9 parts, brium carbonate: 30～40 parts, magnesia: 3～10 parts；
Described core wire contains the Ni of 99.5%.
2. the manufacture method of a Ni-based heterogeneous electrode for cast iron, it is characterised in that the steps include:
Make the coating of Ni-based heterogeneous electrode for cast iron, count by weight, take following components:
Marble: 20～30 parts, mid-carbon fe-mn: 1.0～2.0 parts, fluorite: 5～10 parts, X-type alloy material: 3.2～7 parts, iron ore: 4～7 parts, silver strip graphite: 1.5～4 parts, defat aluminum argentum powder: 1～3.7 part, A type graphite: 6～9 parts, brium carbonate: 30～40 parts, magnesia: 3～10 parts；
The component of acquirement is dry mixed, is subsequently adding waterglass, continue stirring, be fabricated to coating；
Being evenly coated on core wire by the coating after stirring, suppression electrode, wherein core wire contains the Ni of 99.5%；
Compressing welding rod is sent into high temperature drying stove after natural drying bakee.
3. the manufacture method of Ni-based heterogeneous electrode for cast iron according to claim 2, it is characterised in that described waterglass is potassium sodium than for 3:1 potassium-sodium water glass.
4. the manufacture method of Ni-based heterogeneous electrode for cast iron according to claim 2, it is characterised in that described stoving temperature is 280 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243448.5A CN105728980A (en) | 2016-04-19 | 2016-04-19 | Nickel-based heterogeneous electrode for welding cast iron and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243448.5A CN105728980A (en) | 2016-04-19 | 2016-04-19 | Nickel-based heterogeneous electrode for welding cast iron and manufacture method thereof |
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| CN105728980A true CN105728980A (en) | 2016-07-06 |
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| CN201610243448.5A Pending CN105728980A (en) | 2016-04-19 | 2016-04-19 | Nickel-based heterogeneous electrode for welding cast iron and manufacture method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967809A (en) * | 2021-10-08 | 2022-01-25 | 广州鑫钻新材料科技开发有限公司 | Iron-nickel base alloy flux-cored welding electrode and preparation method thereof |
Citations (7)
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|---|---|---|---|---|
| CN1033167A (en) * | 1987-11-19 | 1989-05-31 | 山东工业大学 | The welding rod and the technology thereof of the soldering of white iron roll |
| RU1776526C (en) * | 1991-04-01 | 1992-11-23 | Производственное объединение "Луганский тепловозостроительный завод им.Октябрьской революции" | Composition of electrode coating |
| CN1175491A (en) * | 1996-09-02 | 1998-03-11 | 蔡平 | Welding electrode for cold welding cast iron |
| CN101554689A (en) * | 2009-05-15 | 2009-10-14 | 西安理工大学 | Flux-cored alloyed cast iron homogeneous gas-welding wire and electric welding rod |
| CN102069326A (en) * | 2010-12-17 | 2011-05-25 | 哈尔滨理工大学 | Environment friendly AC-DC alkaline low-hydrogen welding rod |
| CN102528322A (en) * | 2012-01-10 | 2012-07-04 | 西安理工大学 | Graphitized alloy casting electric welding rod |
| CN102794583A (en) * | 2012-07-12 | 2012-11-28 | 武汉铁锚焊接材料股份有限公司 | Preheat-free welding rod and manufacturing method and application thereof |
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2016
- 2016-04-19 CN CN201610243448.5A patent/CN105728980A/en active Pending
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|---|---|---|---|---|
| CN1033167A (en) * | 1987-11-19 | 1989-05-31 | 山东工业大学 | The welding rod and the technology thereof of the soldering of white iron roll |
| RU1776526C (en) * | 1991-04-01 | 1992-11-23 | Производственное объединение "Луганский тепловозостроительный завод им.Октябрьской революции" | Composition of electrode coating |
| CN1175491A (en) * | 1996-09-02 | 1998-03-11 | 蔡平 | Welding electrode for cold welding cast iron |
| CN101554689A (en) * | 2009-05-15 | 2009-10-14 | 西安理工大学 | Flux-cored alloyed cast iron homogeneous gas-welding wire and electric welding rod |
| CN102069326A (en) * | 2010-12-17 | 2011-05-25 | 哈尔滨理工大学 | Environment friendly AC-DC alkaline low-hydrogen welding rod |
| CN102528322A (en) * | 2012-01-10 | 2012-07-04 | 西安理工大学 | Graphitized alloy casting electric welding rod |
| CN102794583A (en) * | 2012-07-12 | 2012-11-28 | 武汉铁锚焊接材料股份有限公司 | Preheat-free welding rod and manufacturing method and application thereof |
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| 冶金工业部有色金属工业管理局编译科中南矿冶学院稀有金属教研组合译: "《稀有金属冶金学教程》", 30 April 1960, 冶金工业出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967809A (en) * | 2021-10-08 | 2022-01-25 | 广州鑫钻新材料科技开发有限公司 | Iron-nickel base alloy flux-cored welding electrode and preparation method thereof |
| CN113967809B (en) * | 2021-10-08 | 2022-10-14 | 广州鑫钻新材料科技开发有限公司 | Iron-nickel base alloy flux-cored welding electrode and preparation method thereof |
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Application publication date: 20160706 |
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