CN106825990A - A kind of high-hardness wear-resistant nickel-iron electrode - Google Patents
A kind of high-hardness wear-resistant nickel-iron electrode Download PDFInfo
- Publication number
- CN106825990A CN106825990A CN201710129211.9A CN201710129211A CN106825990A CN 106825990 A CN106825990 A CN 106825990A CN 201710129211 A CN201710129211 A CN 201710129211A CN 106825990 A CN106825990 A CN 106825990A
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- China
- Prior art keywords
- iron
- welding
- outer layer
- layer coating
- iron electrode
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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
- B23K35/3053—Fe 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
- B23K35/3601—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 with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of cast iron back-welding welding rod, and in particular to a kind of high-hardness wear-resistant nickel-iron electrode, it is made up of outer layer coating and dilval inner core.The present invention is based on conventional cast iron repairing nickel-iron electrode, there is the welding rod of high rigidity and wearability after the mineral and alloy powder component in adjusting and adding outer layer coating are welded, the repair welding of casting under wear-resistant operating mode has good application prospect.
Description
Technical field
The present invention relates to welding material of metal field, and in particular to a kind of high-hardness wear-resistant nickel-iron electrode.
Background technology
Cast iron is divided into common grey iron, spheroidal graphite cast-iron, property cast iron etc. by production method and structure property.Identical
In the case of matrix, wherein as highest, malleable cast iron takes second place, compacted with the mechanical property (intensity, plasticity, toughness) of spheroidal graphite cast-iron
Black cast iron takes second place again, and gray cast iron is worst.But because gray cast iron is with low cost, and with castability, machinability, wearability and subtract
The characteristics of pinking is excellent, is most widely used a kind of cast iron in industry.The annual production of the various ironcastings of China is now about
More than 3000 ten thousand tons, the casting for having various casting flaws accounts for the 10%~15% of cast iron annual production, i.e., usually said percent defective
It is 10%~15%, meanwhile, cracking situation is produced in use, if these casting are all scrapped, its loss is huge.Using weldering
The method of connecing repairs these defective ironcastings, because welding cost is low, can not only obtain huge economic benefit, and favorably
In completion production task in time.
But after common nickel-iron electrode repair welding, its hardness number typically only has HB200, although this is conducive to processing, but
It is often subject under particular job state of abrasion, has worn and torn soon, it is necessary to repair again, and be difficult repairing, and secondary benefit
Postwelding has bigger influence, more easy to crack, reduction of service life to the tissue of casting.Therefore the wear-resistant ferronickel of high rigidity is developed
Welding rod is the direction of the market demand.
The content of the invention
The purpose of the present invention, a kind of ferronickel core welding rod of high-hardness wear-resistant is developed to solve the above problems, the present invention
The high hardness wear-resisting characteristic that can realize weldment, it is to avoid the secondary welding problem after repair welding, while can by welding cast iron part
Greatly to economize on resources.
The object of the present invention is achieved like this：
It is ferronickel that the present invention provides a kind of inner core of high-hardness wear-resistant nickel-iron electrode, outer layer coating include following components and
Percentage composition marble 15~25%, fluorite 7.2~7.5%, ferromanganese 1.0~1.2%, barium carbonate 12.8~13.0%, ferro-aluminum
2.5~3.0%, molybdenum-iron 45.0~55.0%, aquadag 3.8~4.2%, scale graphite 1.3~1.7%, sodium alginate
0.25~0.35%.
The present invention provide a kind of high-hardness wear-resistant nickel-iron electrode preferred scheme, outer layer coating include following components and
Percentage composition marble 15%, fluorite 7.2%, ferromanganese 1.2%, barium carbonate 12.8%, ferro-aluminum 3.0%, molybdenum-iron 55.0%, colloid
Graphite 4%, scale graphite 1.5%, sodium alginate 0.30%.
Its hardness guarantee value of welding rod that the present invention is provided is HRc30 (about HB300), and the technical scheme that the present invention is provided is relative
For nickel-iron electrode in prior art, hardness is high for tool, wearability is good, the features such as Joint Strength is high, it is adaptable to it is required that wear-resisting
Property require the repair welding of ironcasting under working condition high and often frayed.Use straight polarity direct current or AC welding mode, material
Expect to be spheroidal graphite cast-iron and grey cast-iron, joint mechanical property is after repair welding：HRc=35~38, high level can reach HRc40, than
Weld hardness is much higher after conventional nickel-iron electrode soldering.
Specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Following examples are using conventional powder calcite and fluorite, ferromanganese, barium carbonate, ferro-aluminum, molybdenum-iron, graphite, alginic acid
Sodium etc., is well mixed by proportioning, adds water glass of binder to stir, and powder is coated in into nickel on oil pressure powder coating machine
In iron core line, welding rod of the drying required for is eventually passed.
Embodiment 1：
Electrode coating is made according to listed proportioning and aforesaid way, and outer layer coating proportioning is as follows：
Marble 15%, fluorite 7.2%, ferromanganese 1.2%, barium carbonate 12.8%, ferro-aluminum 3.0%, molybdenum-iron 55.0%, colloid
Graphite 4.0%, scale graphite 1.5%, sodium alginate 0.30%.
By the welding rod that mentioned component proportioning is obtained with production method, using AC-DC welder welding manner, under mother metal is
Weld hardness during row combination is shown in data in bracket：Grey cast-iron (HRc40.8), spheroidal graphite cast-iron (HRc36), far above original
The numerical value of HB200.
Embodiment 2：
Coating and welding rod are made according to listed proportioning and aforesaid way, and outer layer coating proportioning is as follows：
Marble 20%, fluorite 7.4%, ferromanganese 1.0%, barium carbonate 12.8%, ferro-aluminum 3.0%, molybdenum-iron 50%, 4.0%,
Scale graphite 1.5%, sodium alginate 0.3%.
By the welding rod that mentioned component proportioning is obtained with production method, using AC-DC welder welding manner, under mother metal is
Weld hardness during row combination is shown in data in bracket：Grey cast-iron (HRc38.5), spheroidal graphite cast-iron (HRc35), far above original
The numerical value of HB200.
Embodiment 3：
Coating and welding rod are made according to listed proportioning and aforesaid way, and outer layer coating proportioning is as follows：
Marble 25%, fluorite 7.5%, ferromanganese 1.2%, barium carbonate 13.0%, ferro-aluminum 2.5%, molybdenum-iron 45.0%, colloid
Graphite 4.0%, scale graphite 1.5%, sodium alginate 0.3%.
By the welding rod that mentioned component proportioning is obtained with production method, using AC-DC welder welding manner, under mother metal is
Weld hardness during row combination is shown in data in bracket：Grey cast-iron (HRc35), spheroidal graphite cast-iron (HRc33), far above original
The numerical value of HB200.
From above-described embodiment as can be seen that using welding rod of the invention weld seam can be made to obtain stronger hardness, this is realized
Invention welding is wear-resistant to be prevented from, because of the situation of the weldment secondary damage that abrasion brings, can greatly being economized on resources using the present invention
Also economic benefit can be obtained while environmental protection.The present invention based on conventional cast iron repairing nickel-iron electrode, by adjusting
Mineral and alloy powder component in whole and addition outer layer coating have the welding rod of high rigidity and wearability after being welded,
Repair welding of casting under wear-resistant operating mode has good application prospect.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of high-hardness wear-resistant nickel-iron electrode, the high-hardness wear-resistant nickel-iron electrode includes Inner cores of ferronickel material and outer
Layer coating, it is characterised in that the outer layer coating includes following components and weight/mass percentage composition：Marble 15~25%, fluorite
7.2~7.5%, ferromanganese 1.0~1.2%, barium carbonate 12.8~13.0%, ferro-aluminum 2.5~3.0%, molybdenum-iron 45.0~55.0%,
Aquadag 3.8~4.2%, scale graphite 1.3~1.7%, sodium alginate 0.25~0.35%；Above component sum is
100%.
2. a kind of high-hardness wear-resistant nickel-iron electrode as claimed in claim 1, it is characterised in that the outer layer coating include with
Lower component and weight/mass percentage composition：Marble 15%, fluorite 7.2%, ferromanganese 1.2%, barium carbonate 12.8%, ferro-aluminum 3.0%, molybdenum
Iron 55.0%, aquadag 4%, scale graphite 1.5%, sodium alginate 0.30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129211.9A CN106825990A (en) | 2017-03-06 | 2017-03-06 | A kind of high-hardness wear-resistant nickel-iron electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129211.9A CN106825990A (en) | 2017-03-06 | 2017-03-06 | A kind of high-hardness wear-resistant nickel-iron electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106825990A true CN106825990A (en) | 2017-06-13 |
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ID=59138037
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129211.9A Pending CN106825990A (en) | 2017-03-06 | 2017-03-06 | A kind of high-hardness wear-resistant nickel-iron electrode |
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| Country | Link |
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| CN (1) | CN106825990A (en) |
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 |
-
2017
- 2017-03-06 CN CN201710129211.9A patent/CN106825990A/en active Pending
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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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
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| WD01 | Invention patent application deemed withdrawn after publication |