CN115488541A - Titanium carbide-based wear-resistant flux-cored wire - Google Patents
Titanium carbide-based wear-resistant flux-cored wire Download PDFInfo
- Publication number
- CN115488541A CN115488541A CN202211264138.3A CN202211264138A CN115488541A CN 115488541 A CN115488541 A CN 115488541A CN 202211264138 A CN202211264138 A CN 202211264138A CN 115488541 A CN115488541 A CN 115488541A
- Authority
- CN
- China
- Prior art keywords
- titanium carbide
- cored wire
- flux
- based wear
- tic
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- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000003466 welding Methods 0.000 claims abstract description 29
- 239000003814 drug Substances 0.000 claims abstract description 15
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 9
- 230000004907 flux Effects 0.000 claims abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 19
- 239000000956 alloy Substances 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 10
- 239000002893 slag Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
- B23K35/02—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
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- 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
- B23K35/3093—Fe as the principal constituent with other elements as next major constituents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention belongs to the technical field of welding materials, and particularly relates to a titanium carbide-based wear-resistant flux-cored wire. The invention provides a titanium carbide-based wear-resistant flux-cored wire which comprises a tubular outer layer and a flux core filled in the tubular outer layer. Wherein, the medicine core comprises the following components by weight percent: tiC:20% -50%; ni:4% -20%; co:4% -20%; cr:10% -20%; mn:0 to 1 percent; si:1.0% -5.0%; b:1.0% -5.0%; fe: and (4) the balance. Wherein, the tubular outer layer is made of alloy steel. Compared with the prior art, the titanium carbide-based wear-resistant flux-cored wire provided by the invention takes TiC as a main alloy wear-resistant phase, and meanwhile, elements such as Ni, co, cr, mn, si, B, fe and the like are reasonably proportioned, so that the titanium carbide-based wear-resistant flux-cored wire has the advantages of high hardness, strong wear resistance, good toughness, less slag inclusion and the like after welding.
Description
Technical Field
The invention belongs to the technical field of welding materials, and particularly relates to a titanium carbide-based wear-resistant flux-cored wire.
Background
The surfacing technology is an important surface repairing method and is mainly applied to repairing or surface treatment of heavy core components in the industries of mining, steel, cement, electric power and the like. With the continuous improvement of the requirement on the surfacing performance in the industry, the flux-cored wire gradually becomes a preferred welding material for hardfacing, for example, a wear-resistant alloy can be surfacing-welded on the surface of a key component by using the flux-cored wire, so that the hardness of the surface of the component is improved, and the service life of the component is prolonged.
Titanium carbide (TiC) is a high-hardness wear-resistant material, and adding TiC to a welding material is one of the considered directions for improving the wear-resistant surfacing performance. However, the existing TiC-based welding material has the problems of difficult improvement of TiC content, carbon loss in TiC decomposition, large welding layer slag inclusion amount, poor toughness and the like, and the popularization and application of the TiC-based welding material are limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a titanium carbide-based wear-resistant flux-cored wire.
The invention provides a titanium carbide-based wear-resistant flux-cored wire which comprises a tubular outer layer and a flux core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：20%-50%；
Ni：4%-20%；
Co：4%-20%；
Cr：10%-20%；
Mn：0%-1%；
Si：1.0%-5.0%；
B：1.0%-5.0%；
fe: and the balance.
Wherein the tubular outer layer is made of an alloy steel, such as low carbon steel or a low alloy steel.
The TiC (titanium carbide) in the flux core of the titanium carbide-based wear-resistant flux-cored wire provided by the invention has high proportion, and the TiC (titanium carbide) is taken as a main alloy wear-resistant phase and reaches 20-50 percent, but not as an auxiliary phase.
The titanium carbide-based wear-resistant flux-cored wire can be produced by firstly manufacturing an alloy steel strip into a long groove with a U-shaped section, then filling flux-cored powder in the groove, and then pressing the long groove with the U-shaped section into a tubular outer layer with a circular section. The mode is one of the most flexible and most cost-effective production processes in welding material manufacturing, and particularly has the advantage of cost-effective production and manufacturing for easily-oxidized alloys such as high titanium.
Because of the great chemical activity of titanium and its carbide, such as the conventional welding material of welding electrode and the self-consumable electrode gas shielded welding material, the high content of titanium carbide is easy to oxidize and lose carbon due to insufficient protective atmosphere at high temperature of electric arc, and it is difficult to obtain stable welding electric arc. Therefore, the flux-cored wire of the invention preferably adopts a wire electrode argon arc welding process or a wire electrode plasma welding process, and utilizes sufficient and stable inert gas argon flow to protect a metal molten pool and welding alloy in a high-temperature solidification state, thereby avoiding the oxidation of titanium carbide-based alloy. Meanwhile, the electric arc of the argon arc welding and the plasma welding is stable, and necessary conditions are provided for the electric arc melting alloying of the alloy welding wire.
In order to provide the molten alloy with good oxidation resistance in the arc state and in the high-temperature solidification state, the Cr content is preferably greater than 12%, while Cr is also a strong carbide-forming element, and in order to avoid excessive Cr causing TiC to decompose and lose carbon in the arc-molten state, the Cr content is preferably not more than 20%.
The Ni and the Co are used as alloy elements resistant to high-temperature oxidation, and through research, when the addition amount of Ni is 4-20% and the addition amount of Co is 4-20%, the oxidation resistance of the alloy can be remarkably improved. Since a large proportion of TiC-based alloy is too hard and brittle, the total content of Ni and Co is preferably more than 8%, so that the base alloy around the coated titanium carbide is in an austenite phase, and the alloy has good toughness as a whole. According to the invention, ni and Co are added according to the proportion, so that the high-temperature strength of the whole alloy is improved, and the wear resistance is improved.
Although a certain amount of oxidation resistant alloy elements such as Cr, ni and Co are added into the alloy, the titanium carbide is partially oxidized at high temperature to lose carbon, and the generated oxide is easy to form slag inclusion and loose shrinkage cavities. Through research, on the premise that the Ni addition is 4% -20% and the Co addition is 4% -20%, 1.0% -5.0% of Si and 1.0% -5.0% of B are further introduced, and slag inclusion can be remarkably reduced. The added Si and B are used as deoxidizers to inhibit the oxidative decomposition of titanium carbide, and meanwhile, the addition of the Si and B obviously improves the high-temperature fluidity of the molten pool alloy, so that oxides are easy to float out of the surface of the molten pool to reduce slag inclusion, and in addition, the fluidity of the molten pool alloy improves the coating property of the alloy solution on titanium carbide particle phases.
Has the advantages that: compared with the prior art, the titanium carbide-based wear-resistant flux-cored wire provided by the invention takes TiC as a main alloy wear-resistant phase, and meanwhile, elements such as Ni, co, cr, mn, si, B, fe and the like are reasonably proportioned, so that the titanium carbide-based wear-resistant flux-cored wire has the advantages of high hardness, strong wear resistance, good toughness, less slag inclusion and the like after welding.
Detailed Description
The invention is further illustrated by the following specific examples, which are exemplary, intended to illustrate the problem and explain the invention, but not to limit it.
Example 1
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：30%；
Ni：6%；
Co：10%；
Cr：14%；
Mn：0.5%；
Si：2.0%；
B：3.0%；
fe: and the balance.
Wherein, the tubular outer layer is made of low alloy steel.
Example 2
A titanium carbide-based wear-resistant flux-cored welding wire comprises a tubular outer layer and a flux core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：40%；
Ni：10%；
Co：15%；
Cr：15%；
Mn：0.5%；
Si：3.0%；
B：3.0%；
fe: and (4) the balance.
Wherein, the tubular outer layer is made of low alloy steel.
Example 3
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：30%；
Ni：18%；
Co：15%；
Cr：16%；
Mn：0.8%；
Si：4.0%；
B：4.0%；
fe: and the balance.
Wherein, the tubular outer layer is made of low alloy steel.
Example 4
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：35%；
Ni：15%；
Co：6%；
Cr：14%；
Mn：0.5%；
Si：3.0%；
B：2.0%；
fe: and the balance.
Wherein, the tubular outer layer is made of low alloy steel.
Example 5
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：20%；
Ni：4%；
Co：4%；
Cr：10%；
Si：1.0%；
B：1.0%；
fe: and (4) the balance.
Wherein, the tubular outer layer is made of low-carbon steel.
Example 6
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：50%；
Ni：20%；
Co：4%；
Cr：10%；
Mn：1.0%；
Si：5.0%；
B：5.0%；
fe: and (4) the balance.
Wherein, the tubular outer layer is made of low-carbon steel.
Example 7
A titanium carbide-based wear-resistant flux-cored welding wire includes a tubular outer layer and a core filled in the tubular outer layer.
Wherein, the medicine core comprises the following components by weight percent:
TiC：30%；
Ni：10%；
Co：20%；
Cr：20%；
Mn：1.0%；
Si：4.0%；
B：3.0%；
fe: and the balance.
Wherein, the tubular outer layer is made of low-carbon steel.
The above embodiments are exemplary only, and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (9)
1. The titanium carbide-based wear-resistant flux-cored wire is characterized in that: comprises a tubular outer layer and a drug core filled in the tubular outer layer;
the medicine core comprises the following components in percentage by weight:
TiC：20%-50%；
Ni：4%-20%；
Co：4%-20%；
Cr：10%-20%；
Mn：0%-1%；
Si：1.0%-5.0%；
B：1.0%-5.0%；
fe: and (4) the balance.
2. The titanium carbide based wear resistant flux cored wire of claim 1, wherein: the tubular outer layer is made of low-carbon steel or low-alloy steel.
3. The titanium carbide based wear resistant flux cored wire of claim 1, wherein: in the flux core, the weight percentage of Cr is preferably 12-20% to prevent TiC from decomposing and losing carbon.
4. The titanium carbide based wear resistant flux cored wire of claim 1, wherein: in the core, the sum of the weight percentage of Ni and the weight percentage of Co is preferably more than 8%.
5. The titanium carbide-based wear-resistant flux-cored wire of claim 1, wherein: the flux-cored wire adopts a wire electrode argon arc welding or wire electrode plasma welding process.
6. The titanium carbide-based wear-resistant flux-cored wire of claim 1, wherein: the medicine core preferably comprises the following components in percentage by weight:
TiC：30%；
Ni：6%；
Co：10%；
Cr：14%；
Mn：0.5%；
Si：2.0%；
B：3.0%；
fe: and (4) the balance.
7. The titanium carbide-based wear-resistant flux-cored wire of claim 1, wherein: the medicine core preferably comprises the following components in percentage by weight:
TiC：40%；
Ni：10%；
Co：15%；
Cr：15%；
Mn：0.5%；
Si：3.0%；
B：3.0%；
fe: and (4) the balance.
8. The titanium carbide-based wear-resistant flux-cored wire of claim 1, wherein: the medicine core preferably comprises the following components in percentage by weight:
TiC：30%；
Ni：18%；
Co：15%；
Cr：16%；
Mn：0.8%；
Si：4.0%；
B：4.0%；
fe: and (4) the balance.
9. The titanium carbide based wear resistant flux cored wire of claim 1, wherein: the medicine core preferably comprises the following components in percentage by weight:
TiC：35%；
Ni：15%；
Co：6%；
Cr：14%；
Mn：0.5%；
Si：3.0%；
B：2.0%；
fe: and (4) the balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211264138.3A CN115488541B (en) | 2022-10-17 | 2022-10-17 | Titanium carbide-based wear-resistant flux-cored wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211264138.3A CN115488541B (en) | 2022-10-17 | 2022-10-17 | Titanium carbide-based wear-resistant flux-cored wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115488541A true CN115488541A (en) | 2022-12-20 |
| CN115488541B CN115488541B (en) | 2023-12-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211264138.3A Active CN115488541B (en) | 2022-10-17 | 2022-10-17 | Titanium carbide-based wear-resistant flux-cored wire |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876885A (en) * | 2006-06-30 | 2006-12-13 | 北京工业大学 | Wearable iron-based TiC-ceramic-containing powder cored wire for electric arc spraying |
| RU2007107233A (en) * | 2007-02-26 | 2008-09-10 | Автономна некоммерческа организаци "Региональный северо-западный межотраслевой аттестационный центр" (АНО "РСЗ МАЦ") (RU) | POWDER WIRE FOR SURFACE PARTS |
| CN102069318A (en) * | 2010-12-14 | 2011-05-25 | 江苏大学 | Cavitation-resistant stainless steel soldering wire and welding method thereof |
| CN103659050A (en) * | 2013-12-18 | 2014-03-26 | 江苏科技大学 | Crack-resistant and highly abrasion-resistant powder material for plasma spray welding of three-eccentric center butterfly valve |
| CN105033501A (en) * | 2015-08-03 | 2015-11-11 | 合肥通用机械研究院 | Microalloying 35Cr45NiNb welding wire for ethylene cracking furnace pipe |
| CN113458649A (en) * | 2021-07-09 | 2021-10-01 | 昆山京群焊材科技有限公司 | Self-protection flux-cored wire containing titanium carbide particles |
| CN114535858A (en) * | 2022-01-11 | 2022-05-27 | 西安理工大学 | Welding material for preparing high-strength copper-steel gradient structure by CMT (China Mobile technology transfer) and preparation method |
-
2022
- 2022-10-17 CN CN202211264138.3A patent/CN115488541B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876885A (en) * | 2006-06-30 | 2006-12-13 | 北京工业大学 | Wearable iron-based TiC-ceramic-containing powder cored wire for electric arc spraying |
| RU2007107233A (en) * | 2007-02-26 | 2008-09-10 | Автономна некоммерческа организаци "Региональный северо-западный межотраслевой аттестационный центр" (АНО "РСЗ МАЦ") (RU) | POWDER WIRE FOR SURFACE PARTS |
| CN102069318A (en) * | 2010-12-14 | 2011-05-25 | 江苏大学 | Cavitation-resistant stainless steel soldering wire and welding method thereof |
| CN103659050A (en) * | 2013-12-18 | 2014-03-26 | 江苏科技大学 | Crack-resistant and highly abrasion-resistant powder material for plasma spray welding of three-eccentric center butterfly valve |
| CN105033501A (en) * | 2015-08-03 | 2015-11-11 | 合肥通用机械研究院 | Microalloying 35Cr45NiNb welding wire for ethylene cracking furnace pipe |
| CN113458649A (en) * | 2021-07-09 | 2021-10-01 | 昆山京群焊材科技有限公司 | Self-protection flux-cored wire containing titanium carbide particles |
| CN114535858A (en) * | 2022-01-11 | 2022-05-27 | 西安理工大学 | Welding material for preparing high-strength copper-steel gradient structure by CMT (China Mobile technology transfer) and preparation method |
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|---|---|
| CN115488541B (en) | 2023-12-19 |
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