CN108326467A - A kind of superior surfacing welding of heat-resistant anti-fatigue performance - Google Patents
A kind of superior surfacing welding of heat-resistant anti-fatigue performance Download PDFInfo
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- CN108326467A CN108326467A CN201711308117.6A CN201711308117A CN108326467A CN 108326467 A CN108326467 A CN 108326467A CN 201711308117 A CN201711308117 A CN 201711308117A CN 108326467 A CN108326467 A CN 108326467A
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- 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
- B23K35/306—Fe as the principal constituent with C as next major constituent, e.g. cast iron
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention discloses a kind of superior surfacing welding of heat-resistant anti-fatigue performance, is made of core wire and two layers of coating, wherein first layer coating is made of the component of following parts by weight：18 26 parts of high carbon ferromanganese, 10 14 parts of carbon ferrochrome, 79 parts of magnetite, 13 parts of hydroxyapatite, 25 parts of strontianite, 36 parts of wollastonite, second layer coating is made of the component of following parts by weight：15 20 parts of titanium oxide, 10 13 parts of ferrotianium, 24 parts of silicon nitride, 57 parts of molybdenum carbide, 13 parts of tungsten disulfide nanotube.Welding rod produced by the present invention, it can work in the medium of high temperature corrosion or high temperature wear for a long time, and the high-temperature behaviors such as excellent thermal fatigue resistance energy and good high temperature oxidation resistance, elevated temperature corrosion resistant, high-temperature resistant tempered stability, red hardness can be kept, in the process of work, arc burning is stablized, and current interruption is not easy, and is remained almost without slag in weld face, powder amount and flue gas are few, and applicability is wide.
Description
Technical field
The invention belongs to welding rod processing technique fields, and in particular to a kind of superior surfacing welding of heat-resistant anti-fatigue performance.
Background technology
Built-up welding is to carry out the welding for the function metals layers such as one layer of deposition is wear-resisting, anti-corrosion, heat-resisting at the surface of workpiece or edge
Technique.Built-up welding is to improving the service life of part, and reasonable employment material enhances product performance, and reducing cost has significant economy
Benefit.The type for the antiwear heat resisting resurfacing welding material developed both at home and abroad at present is broadly divided into cobalt-based antiwear heat resisting heap wlding
Material, nickel-base antiwear heat resisting resurfacing welding material and iron-based antiwear heat resisting resurfacing welding material three categories.Wherein cobalt-based antiwear heat resisting resurfacing welding material,
Nickel-base antiwear heat resisting resurfacing welding material is because expensive, and use scope, which receives, greatly to be limited, and common iron-based is wear-resisting
Heat-resisting resurfacing welding material can be such that the mechanical performance of alloy declines, although the surface in alloy has because of tissue unstability at high temperature
The big oxidation film of cohesive force is formed, but the matrix of alloy shearing strength when high temperature declines due to is easy shearing, so that oxidation film
It is all easy to wear with parent metal.And since alloying element added in coating is more, slag is in brittleness, slag when stopping welding cooling
It often bursts and splashes with laminar fritter, be easy the eyes and skin of face of scald staff, flue dust is big when welding, in flue dust
The environmental problems such as more than the gas containing harmful health, postwelding scarfing cinder is difficult, has seriously affected the quality of weld metal.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of superior surfacing welding of heat-resistant anti-fatigue performance.
The present invention is achieved by the following technical solutions.
A kind of superior surfacing welding of heat-resistant anti-fatigue performance, is made of core wire and two layers of coating, wherein first layer coating by
The component of following parts by weight is made：18-26 parts of high carbon ferromanganese, 10-14 parts of carbon ferrochrome, 7-9 parts of magnetite, 1-3 parts of hydroxyapatite,
2-5 parts of strontianite, 3-6 parts of wollastonite, second layer coating is made of the component of following parts by weight：15-20 parts of titanium oxide, ferrotianium
10-13 parts, 2-4 parts of silicon nitride, 5-7 parts of molybdenum carbide, 1-3 parts of tungsten disulfide nanotube, wherein binder is by following parts by weight
Component is made：15-20 parts of sodium silicate, 3-5 parts of four water-calcium nitrate, the wherein Baume degrees of sodium silicate are 42.3.
Specifically, the core wire is any one in H08A, H08CrMoA, H08CrMoVA, H08Cr2MoA.
Specifically, a diameter of 50nm of above-mentioned tungsten disulfide nanotube, length are 15 μm, purity 99.9%.
Specifically, the preparation method of the superior surfacing welding of heat-resistant anti-fatigue performance includes following operating procedure：
（1）After being derusted using sand paper to core wire, cleaned with degreasing fluid, the group of wherein degreasing fluid becomes：Sodium hydroxide 5g/L,
Sodium phosphate 6g/L, ethylenediamine tetra-acetic acid 3g/L, neutral ion surfactant 4g/L, solvent is deionized water；
（2）High carbon ferromanganese, carbon ferrochrome, magnetite, hydroxyapatite, strontianite, wollastonite are put into the planetary ball of QM-3SP04 types
Mechanical mixture is carried out in grinding machine, incorporation time is 3 hours；
（3）Titanium oxide, ferrotianium, silicon nitride, molybdenum carbide, tungsten disulfide nanotube are put into QM-3SP04 type planetary ball mills
Mechanical mixture is carried out, incorporation time is 2.5 hours；
（4）Four water-calcium nitrate is added in sodium silicate, is mixed evenly, after static 30-40min, is equally divided into two parts；
（5）By step（2）And step（3）In dispensing obtained respectively with step（4）It is mixed in two parts of sodium silicates obtained, it is high
Coating is made in speed stirring 10min；
（6）Using TL-25 type electrode coating machines by first layer coating extrusion on core wire after, first it is baked with 100 DEG C
30min, then it is subjected to baking 90min with 300 DEG C, continue that second layer coating extrusion exists using TL-25 type electrode coating machines
On first layer coating after drying, then it is subjected to baking 50min with 100 DEG C, finally with 350 DEG C bake 3 hours by it,
The superior surfacing welding of heat-resistant anti-fatigue performance is made.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
Welding rod produced by the present invention can work in the medium of high temperature corrosion or high temperature wear, and can keep excellent for a long time
The high temperature such as thermal fatigue resistance energy and good high temperature oxidation resistance, elevated temperature corrosion resistant, high-temperature resistant tempered stability, red hardness
Performance, in the process of work, arc burning are stablized, and current interruption is not easy, and are remained almost without slag in weld face, powder amount
And flue gas is few, applicability is wide.The present invention breaks the normal procedure, and using two layers of coating, can make welding rod in the process of work, fusing
Speed is more stablized so that weld seam is more uniform, and mouldability is more preferable；When welding, the slag that first layer coating is formed is covered in
On the surface in molten drop and molten bath, liquid metal and air are separated, prevent the oxidation and nitridation of liquid metal, shape after slag solidification
At skull covering in welded joints, can prevent the weld metal in high temperature from reacting with air, second layer coating can be
When first layer coating melts, thin film is effectively formed on its surface, prevents slag splashing from hurting sb.'s feelings, and can effectively absorb
The flue dust generated in the course of work, in postwelding, slag is easy to fall off, and greatly improves the working efficiency of built-up welding.The present invention carries
The binder of confession, be added to four water-calcium nitrate in sodium silicate, what effective solution welding rod got damp during storage
Problem extends the service life of welding rod.
Specific implementation mode
In order to enable those skilled in the art to be further understood that the feature and technology contents of the present invention, please referring to following has
Close detailed description of the invention.
Embodiment 1
A kind of superior surfacing welding of heat-resistant anti-fatigue performance, is made of, wherein first layer coating is by following core wire and two layers of coating
The component of parts by weight is made：18 parts of high carbon ferromanganese, 10 parts of carbon ferrochrome, 7 parts of magnetite, 1 part of hydroxyapatite, 2 parts of strontianite, silicon ash
3 parts of stone, second layer coating is made of the component of following parts by weight：15 parts of titanium oxide, 10 parts of ferrotianium, 2 parts of silicon nitride, molybdenum carbide 5
Part, 1 part of tungsten disulfide nanotube, wherein binder are made of the component of following parts by weight：15 parts of sodium silicate, four water-calcium nitrate
3 parts, the wherein Baume degrees of sodium silicate is 42.3.
Specifically, the core wire is H08A, specification 4.0.
Specifically, a diameter of 50nm of above-mentioned tungsten disulfide nanotube, length are 15 μm, purity 99.9%.
Embodiment 2
A kind of superior surfacing welding of heat-resistant anti-fatigue performance, is made of, wherein first layer coating is by following core wire and two layers of coating
The component of parts by weight is made：22 parts of high carbon ferromanganese, 12 parts of carbon ferrochrome, 8 parts of magnetite, 2 parts of hydroxyapatite, 4 parts of strontianite, silicon ash
5 parts of stone, second layer coating is made of the component of following parts by weight：17 parts of titanium oxide, 12 parts of ferrotianium, 3 parts of silicon nitride, molybdenum carbide 6
Part, 2 parts of tungsten disulfide nanotube, wherein binder are made of the component of following parts by weight：17 parts of sodium silicate, four water-calcium nitrate
4 parts, the wherein Baume degrees of sodium silicate is 42.3.
Specifically, the core wire is H08CrMoA, specification 3.2.
Specifically, a diameter of 50nm of above-mentioned tungsten disulfide nanotube, length are 15 μm, purity 99.9%.
Embodiment 3
A kind of superior surfacing welding of heat-resistant anti-fatigue performance, is made of, wherein first layer coating is by following core wire and two layers of coating
The component of parts by weight is made：26 parts of high carbon ferromanganese, 14 parts of carbon ferrochrome, 9 parts of magnetite, 3 parts of hydroxyapatite, 5 parts of strontianite, silicon ash
6 parts of stone, second layer coating is made of the component of following parts by weight：20 parts of titanium oxide, 13 parts of ferrotianium, 4 parts of silicon nitride, molybdenum carbide 7
Part, 3 parts of tungsten disulfide nanotube, wherein binder are made of the component of following parts by weight：20 parts of sodium silicate, four water-calcium nitrate
5 parts, the wherein Baume degrees of sodium silicate is 42.3.
Specifically, the core wire is H08Cr2MoA, specification 3.2.
Specifically, a diameter of 50nm of above-mentioned tungsten disulfide nanotube, length are 15 μm, purity 99.9%.
Specifically, the preparation method of the superior surfacing welding of heat-resistant anti-fatigue performance includes following operating procedure：
（1）After being derusted using sand paper to core wire, cleaned with degreasing fluid, the group of wherein degreasing fluid becomes：Sodium hydroxide 5g/L,
Sodium phosphate 6g/L, ethylenediamine tetra-acetic acid 3g/L, neutral ion surfactant 4g/L, solvent is deionized water；
（2）High carbon ferromanganese, carbon ferrochrome, magnetite, hydroxyapatite, strontianite, wollastonite are put into the planetary ball of QM-3SP04 types
Mechanical mixture is carried out in grinding machine, incorporation time is 3 hours；
（3）Titanium oxide, ferrotianium, silicon nitride, molybdenum carbide, tungsten disulfide nanotube are put into QM-3SP04 type planetary ball mills
Mechanical mixture is carried out, incorporation time is 2.5 hours；
（4）Four water-calcium nitrate is added in sodium silicate, is mixed evenly, after static 30-40min, is equally divided into two parts；
（5）By step（2）And step（3）In dispensing obtained respectively with step（4）It is mixed in two parts of sodium silicates obtained, it is high
Coating is made in speed stirring 10min；
（6）Using TL-25 type electrode coating machines by first layer coating extrusion on core wire after, first it is baked with 100 DEG C
30min, then it is subjected to baking 90min with 300 DEG C, continue that second layer coating extrusion exists using TL-25 type electrode coating machines
On first layer coating after drying, then it is subjected to baking 50min with 100 DEG C, finally with 350 DEG C bake 3 hours by it,
The superior surfacing welding of heat-resistant anti-fatigue performance is made.
Commercially available common welding rod in welding rod obtained in embodiment 1,2,3 and comparative example is subjected to soldering test respectively,
In commercially available common welding rod be core wire be H08A, specification 4.0, type of electrode J507, test result is as shown in table 1：
1 welding rod performance of table compares
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Welding rod extrusion | Preferably | It is good | It is good | - |
| Arc stability | It is good | It is good | It is good | Preferably |
| Molten slag spreadability | Preferably | It is good | It is good | Preferably |
| Restarting | It is good | It is good | It is good | It is poor |
| The removability of slag | Preferably | It is good | It is good | Easy dry slag |
| It splashes | It is small | It is small | It is small | It is larger |
| Send out layer amount | It is smaller | It is small | It is small | It is larger |
| Appearance of weld | It is good | It is good | It is good | Preferably |
As shown in Table 1, welding rod produced by the present invention, superior performance can effectively promote the working efficiency of welding, improve welding
Working environment, and the effect of welding can be promoted.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, variation, change, addition or the replacement made, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of superior surfacing welding of heat-resistant anti-fatigue performance, which is characterized in that be made of core wire and two layers of coating, wherein first
Layer coating is made of the component of following parts by weight：18-26 parts of high carbon ferromanganese, 10-14 parts of carbon ferrochrome, 7-9 parts of magnetite, hydroxyl phosphorus ash
1-3 parts of stone, 2-5 parts of strontianite, 3-6 parts of wollastonite, second layer coating is made of the component of following parts by weight：Titanium oxide 15-20
Part, 10-13 parts of ferrotianium, 2-4 parts of silicon nitride, 5-7 parts of molybdenum carbide, 1-3 parts of tungsten disulfide nanotube, wherein binder is by following heavy
The component of amount part is made：15-20 parts of sodium silicate, 3-5 parts of four water-calcium nitrate, the wherein Baume degrees of sodium silicate are 42.3.
2. according to a kind of superior surfacing welding of heat-resistant anti-fatigue performance described in claim 1, which is characterized in that the core wire
For any one in H08A, H08CrMoA, H08CrMoVA, H08Cr2MoA.
3. according to a kind of superior surfacing welding of heat-resistant anti-fatigue performance described in claim 1, which is characterized in that above-mentioned two sulphur
Change tungsten tube diameters are 50nm, and length is 15 μm, purity 99.9%.
4. according to a kind of superior surfacing welding of heat-resistant anti-fatigue performance described in claim 1, which is characterized in that described heat-resisting
The preparation method of the superior surfacing welding of fatigue behaviour includes following operating procedure：
（1）After being derusted using sand paper to core wire, cleaned with degreasing fluid, the group of wherein degreasing fluid becomes：Sodium hydroxide 5g/L,
Sodium phosphate 6g/L, ethylenediamine tetra-acetic acid 3g/L, neutral ion surfactant 4g/L, solvent is deionized water；
（2）High carbon ferromanganese, carbon ferrochrome, magnetite, hydroxyapatite, strontianite, wollastonite are put into the planetary ball of QM-3SP04 types
Mechanical mixture is carried out in grinding machine, incorporation time is 3 hours；
（3）Titanium oxide, ferrotianium, silicon nitride, molybdenum carbide, tungsten disulfide nanotube are put into QM-3SP04 type planetary ball mills
Mechanical mixture is carried out, incorporation time is 2.5 hours；
（4）Four water-calcium nitrate is added in sodium silicate, is mixed evenly, after static 30-40min, is equally divided into two parts；
（5）By step（2）And step（3）In dispensing obtained respectively with step（4）It is mixed in two parts of sodium silicates obtained, it is high
Coating is made in speed stirring 10min；
（6）Using TL-25 type electrode coating machines by first layer coating extrusion on core wire after, first it is baked with 100 DEG C
30min, then it is subjected to baking 90min with 300 DEG C, continue that second layer coating extrusion exists using TL-25 type electrode coating machines
On first layer coating after drying, then it is subjected to baking 50min with 100 DEG C, finally with 350 DEG C bake 3 hours by it,
The superior surfacing welding of heat-resistant anti-fatigue performance is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308117.6A CN108326467A (en) | 2017-12-11 | 2017-12-11 | A kind of superior surfacing welding of heat-resistant anti-fatigue performance |
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| CN201711308117.6A CN108326467A (en) | 2017-12-11 | 2017-12-11 | A kind of superior surfacing welding of heat-resistant anti-fatigue performance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618480A (en) * | 2020-06-28 | 2020-09-04 | 昆山京群焊材科技有限公司 | AC/DC dual-purpose high-manganese austenite ultralow-temperature welding rod |
| CN113695790A (en) * | 2021-08-31 | 2021-11-26 | 西安交通大学 | Double-layer coating for arc planing and cutting strip and preparation method thereof |
-
2017
- 2017-12-11 CN CN201711308117.6A patent/CN108326467A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618480A (en) * | 2020-06-28 | 2020-09-04 | 昆山京群焊材科技有限公司 | AC/DC dual-purpose high-manganese austenite ultralow-temperature welding rod |
| CN111618480B (en) * | 2020-06-28 | 2021-07-20 | 昆山京群焊材科技有限公司 | AC/DC dual-purpose high-manganese austenite ultralow-temperature welding rod |
| CN113695790A (en) * | 2021-08-31 | 2021-11-26 | 西安交通大学 | Double-layer coating for arc planing and cutting strip and preparation method thereof |
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Application publication date: 20180727 |