CN107488851A - A kind of metal-cermic coating suitable for stainless steel - Google Patents
A kind of metal-cermic coating suitable for stainless steel Download PDFInfo
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- CN107488851A CN107488851A CN201710684573.4A CN201710684573A CN107488851A CN 107488851 A CN107488851 A CN 107488851A CN 201710684573 A CN201710684573 A CN 201710684573A CN 107488851 A CN107488851 A CN 107488851A
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- cermic coating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The present invention relates to metal-cermic coating technical field, disclose a kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 55 65% in the metal-cermic coating, ceramic phase accounts for 25 30%, remaining as adhesive, high-temperature structural ceramics and inert alloy powder are preset according to certain ratio mixing, bonded on stainless steel by laser heating, the greatest differences of physical property between metal and ceramic phase can be alleviated, combination between hardened stainless steel parent metal and surface cermet coating, improve coating quality, under high temperature corrosion, stress concentration can be reduced, prevent crackle tendency, so that the problem of stainless steel is present is well solved.
Description
Technical field
The invention belongs to metal-cermic coating technical field, and in particular to a kind of cermet suitable for stainless steel applies
Layer.
Background technology
Cermet is a kind of composite, and its different times that are defined on are slightly different, and e.g., some definition are by ceramics
With a kind of material of metal composition, or the composite of ceramics and metal made of powder metallurgy process.《Ci hai》It is defined as：
The material made of metal and ceramic raw material, some advantages of metal and ceramics are had concurrently, such as the former toughness and flexing resistance, the latter
High temperature resistant, high intensity and antioxygenic property etc..ASTM Professional Committees of the U.S. are defined as：It is a kind of by metal or alloy and a kind of
Or heterogeneous composite of a variety of ceramic phase compositions, latter of which account for 15%~85% volume fraction, while in preparation
At a temperature of, the solubility asked of metal and ceramic phase is fairly small.The cermet defined from the angle of narrow sense refers to composite
Middle metal and ceramic phase all a kind of material of Presence of an interface on three dimensions.
Various defects unavoidably occur in stainless steel plate in process of production, such as scuffing, pit, Sha Kong, concealed wire, folding
Trace, pollution etc., further corrosive wear can be caused in coming into operation, so as to cause whole stainless steel part to receive high degree
Destruction, and the coating of existing high polymer material can not solve this problem.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of metal-cermic coating suitable for stainless steel, will
High-temperature structural ceramics and inert alloy powder are preset according to certain ratio mixing, are heated and are bonded on stainless steel by laser.
The present invention is achieved by the following technical solutions：
A kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 55-65%, ceramic phase in the metal-cermic coating
25-30% is accounted for, remaining as adhesive, metal alloy mutually contains following component according to mass percent meter：Cr accounts for 21-23%, Al and accounted for
5.5-6.5%, Si, which account for 2.5-3.0%, B and account for 0.05-0.08%, C, accounts for 0.02-0.04%, remaining as Ni, and ceramic phase is according to quality hundred
Divide and contain following component than meter：TiO2Account for 40-50%, ZrO2Account for 15-25%, SiC and account for 10-15%, BeO and account for 4-6%, remaining as VO2,
Its preparation method is：Metal alloy is ground into 400-450 mesh powders, is put into together with ceramic powders in glass mortar, is dripped
Entering binding agent, grinding is uniform, is preset on the stainless steel base surface that cleaning was polished, and coating thickness is 0.6-0.8 millimeters,
Dried at 180-200 DEG C, reuse laser melting coating processing, laser output power 800-1000W, argon gas protection, scanning speed
Spend for 12-14 mm/seconds, remove laser, cooled and solidified after overcoat fusing immediately.
As further improvement of these options, described adhesive is alcohol rosin.
As further improvement of these options, the ZrO2For the powder of good sintering character, belong to cubic system,
Density is 6.25-6.27 grams/cc.
As further improvement of these options, the preparation method of the SiC is：Use nanoscale SiO2Micro mist conduct
Silicon source, using absolute ethyl alcohol as medium spheroidal graphite after, drying, it is compressing, in micro-wave oven using nitrogen for protect gas, in 1300-
Ultra-fine SiC nano powders are made in sintering 10-15 minutes at 1400 DEG C.
The present invention has advantages below compared with prior art：In order to solve stainless steel plate in process of production inevitably
There are various defects, existing polymeric coating layer can not solve the problems, such as the overall sprawling that high temperature corrosion is brought, and the present invention provides
A kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 55-65% in the metal-cermic coating, and ceramic phase accounts for
25-30%, it is remaining as adhesive, high-temperature structural ceramics and inert alloy powder are preset according to certain ratio mixing, by swashing
Light heating bonds on stainless steel, can alleviate the greatest differences of physical property between metal and ceramic phase, hardened stainless steel base
Combination between body metal and surface cermet coating, improve coating quality, under high temperature corrosion, it is possible to reduce stress collection
In, prevent crackle tendency so that the problem of stainless steel is present is well solved.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 55% in the metal-cermic coating, and ceramic phase accounts for
25%, remaining as adhesive, metal alloy mutually contains following component according to mass percent meter：Cr, which accounts for 21%, Al and accounts for 5.5%, Si, to be accounted for
2.5%th, B accounts for 0.05%, C and accounts for 0.02%, contains following component according to mass percent meter remaining as Ni, ceramic phase：TiO2Account for 40%,
ZrO2Account for 15%, SiC and account for 10%, BeO and account for 4%, remaining as VO2, its preparation method is：Metal alloy is ground into 400 mesh powders,
It is put into together with ceramic powders in glass mortar, instills binding agent, grinding is uniform, is preset at the stainless steel base that cleaning was polished
On surface, coating thickness is 0.6 millimeter, is dried at 180 DEG C, reuses laser melting coating processing, and laser output power is
800W, argon gas protection, sweep speed is 12 mm/seconds, removes laser, cooled and solidified after overcoat fusing immediately.
As further improvement of these options, described adhesive is alcohol rosin.
As further improvement of these options, the ZrO2For the powder of good sintering character, belong to cubic system,
Density is 6.25 grams/cc.
As further improvement of these options, the preparation method of the SiC is：Use nanoscale SiO2Micro mist conduct
Silicon source, using absolute ethyl alcohol as medium spheroidal graphite after, drying, it is compressing, in micro-wave oven using nitrogen for protect gas, at 1300 DEG C
Ultra-fine SiC nano powders are made in 10 minutes in lower sintering.
Embodiment 2
A kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 60% in the metal-cermic coating, and ceramic phase accounts for
28%, remaining as adhesive, metal alloy mutually contains following component according to mass percent meter：Cr, which accounts for 22%, Al and accounts for 6.0%, Si, to be accounted for
2.8%th, B accounts for 0.06%, C and accounts for 0.03%, contains following component according to mass percent meter remaining as Ni, ceramic phase：TiO2Account for
45%、ZrO2Account for 20%, SiC and account for 12%, BeO and account for 5%, remaining as VO2, its preparation method is：Metal alloy is ground into 420 purposes
Powder, be put into together with ceramic powders in glass mortar, instill binding agent, grinding is uniform, be preset at cleaning polished it is stainless
On steel matrix surface, coating thickness is 0.7 millimeter, is dried at 190 DEG C, reuses laser melting coating processing, laser output work
Rate is 900W, and argon gas protection, sweep speed is 13 mm/seconds, removes laser, cooled and solidified after overcoat fusing immediately.
As further improvement of these options, described adhesive is alcohol rosin.
As further improvement of these options, the ZrO2For the powder of good sintering character, belong to cubic system,
Density is 6.26 grams/cc.
As further improvement of these options, the preparation method of the SiC is：Use nanoscale SiO2Micro mist conduct
Silicon source, using absolute ethyl alcohol as medium spheroidal graphite after, drying, it is compressing, in micro-wave oven using nitrogen for protect gas, at 1350 DEG C
Ultra-fine SiC nano powders are made in 12 minutes in lower sintering.
Embodiment 3
A kind of metal-cermic coating suitable for stainless steel, metal alloy mutually accounts for 65% in the metal-cermic coating, and ceramic phase accounts for
30%, remaining as adhesive, metal alloy mutually contains following component according to mass percent meter：Cr, which accounts for 23%, Al and accounts for 6.5%, Si, to be accounted for
3.0%th, B accounts for 0.08%, C and accounts for 0.04%, contains following component according to mass percent meter remaining as Ni, ceramic phase：TiO2Account for
50%、ZrO2Account for 25%, SiC and account for 15%, BeO and account for 6%, remaining as VO2, its preparation method is：Metal alloy is ground into 450 purposes
Powder, be put into together with ceramic powders in glass mortar, instill binding agent, grinding is uniform, be preset at cleaning polished it is stainless
On steel matrix surface, coating thickness is 0.8 millimeter, is dried at 200 DEG C, reuses laser melting coating processing, laser output work
Rate is 1000W, and argon gas protection, sweep speed is 14 mm/seconds, removes laser, cooled and solidified after overcoat fusing immediately.
As further improvement of these options, described adhesive is alcohol rosin.
As further improvement of these options, the ZrO2For the powder of good sintering character, belong to cubic system,
Density is 6.27 grams/cc.
As further improvement of these options, the preparation method of the SiC is：Use nanoscale SiO2Micro mist conduct
Silicon source, using absolute ethyl alcohol as medium spheroidal graphite after, drying, it is compressing, in micro-wave oven using nitrogen for protect gas, at 1400 DEG C
Ultra-fine SiC nano powders are made in 15 minutes in lower sintering.
Comparative example 1
With differing only in for embodiment 1, metal alloy mutually accounts for 25% in the metal-cermic coating, and ceramic phase accounts for 55%, remaining as
Adhesive, remaining is consistent.
Comparative example 2
With differing only in for embodiment 2, ceramic phase is SiO 2 powder, and remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, laser melting coating procedure of processing is omitted, remaining is consistent.
Contrast experiment
Embodiment 1-3 and comparative example 1-3 method processing and fabricating metal-cermic coating is used respectively, while with existing macromolecule
Corrosion-resistant finishes carries out high temperature corrosion processing to metalwork, will tied as control, and applied on same stainless steel metal part
Fruit records as shown in the table：
| Project | Coating consistency（%） | Vickers hardness（N/mm2） | Fracture toughness（MPa·m1/2） | Bending strength（MPa） |
| Embodiment 1 | 95.6 | 859 | 10.52 | 134 |
| Embodiment 2 | 96.7 | 864 | 10.85 | 138 |
| Embodiment 3 | 96.2 | 861 | 10.64 | 136 |
| Comparative example 1 | 89.4 | 746 | 8.42 | 102 |
| Comparative example 2 | 91.3 | 731 | 9.14 | 98 |
| Comparative example 3 | 90.6 | 718 | 7.45 | 87 |
| Comparative example | 86.7 | 689 | 6.98 | 79 |
As can be seen here：The present invention is preset according to certain ratio mixing by high-temperature structural ceramics and inert alloy powder, by swashing
Light heating bonds on stainless steel, can alleviate the greatest differences of physical property between metal and ceramic phase, hardened stainless steel base
Combination between body metal and surface cermet coating, improve coating quality, under high temperature corrosion, it is possible to reduce stress collection
In, prevent crackle tendency so that the problem of stainless steel is present is well solved.
Claims (4)
1. a kind of metal-cermic coating suitable for stainless steel, it is characterised in that metal alloy mutually accounts in the metal-cermic coating
55-65%, ceramic phase account for 25-30%, and remaining as adhesive, metal alloy mutually contains following component according to mass percent meter：Cr
Account for 21-23%, Al and account for 5.5-6.5%, Si and account for 2.5-3.0%, B and account for 0.05-0.08%, C and account for 0.02-0.04%, remaining as Ni, ceramics
Mutually contain following component according to mass percent meter：TiO2Account for 40-50%, ZrO2Account for 15-25%, SiC and account for 10-15%, BeO and account for 4-
6%th, remaining as VO2, its preparation method is：Metal alloy is ground into 400-450 mesh powders, is put into together with ceramic powders
In glass mortar, binding agent is instilled, grinding is uniform, is preset on the stainless steel base surface that cleaning was polished, coating thickness
For 0.6-0.8 millimeters, dried at 180-200 DEG C, reuse laser melting coating processing, laser output power 800-1000W, argon
Gas shielded, sweep speed are 12-14 mm/seconds, remove laser, cooled and solidified after overcoat fusing immediately.
2. a kind of metal-cermic coating suitable for stainless steel as claimed in claim 1, it is characterised in that described adhesive is
Alcohol rosin.
A kind of 3. metal-cermic coating suitable for stainless steel as claimed in claim 1, it is characterised in that the ZrO2To be good
The powder of sintering character, belongs to cubic system, and density is 6.25-6.27 grams/cc.
A kind of 4. metal-cermic coating suitable for stainless steel as claimed in claim 1, it is characterised in that the preparation of the SiC
Method is：Use nanoscale SiO2Micro mist as silicon source, using absolute ethyl alcohol as medium spheroidal graphite after, it is drying, compressing, micro-
In ripple stove using nitrogen as protection gas, at 1300-1400 DEG C sinter 10-15 minutes ultra-fine SiC nano powders are made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684573.4A CN107488851A (en) | 2017-08-11 | 2017-08-11 | A kind of metal-cermic coating suitable for stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710684573.4A CN107488851A (en) | 2017-08-11 | 2017-08-11 | A kind of metal-cermic coating suitable for stainless steel |
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| CN107488851A true CN107488851A (en) | 2017-12-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793929A (en) * | 2018-06-20 | 2018-11-13 | 深圳陶金材料科技有限公司 | A kind of ceramal coating and coating |
| CN108863325A (en) * | 2018-07-18 | 2018-11-23 | 合肥市新开创不锈钢设备有限公司 | A method of improving 304 stainless steel kitchenware table top easy cleanings |
| CN108950164A (en) * | 2018-07-31 | 2018-12-07 | 玉环县金龙欧浴洁具有限公司 | Corrugated stainless steel tubing heat treatment process |
| CN109136918A (en) * | 2018-09-20 | 2019-01-04 | 深圳万佳互动科技有限公司 | A kind of preparation method of composite coating |
| CN111147012A (en) * | 2019-12-24 | 2020-05-12 | 保定光为绿色能源科技有限公司 | Folded frame mechanism for matching photovoltaic module and preparation process thereof |
| CN111893416A (en) * | 2020-08-07 | 2020-11-06 | 和县卜集振兴标准件厂 | Cold stamping die surface laser spraying treatment method |
-
2017
- 2017-08-11 CN CN201710684573.4A patent/CN107488851A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793929A (en) * | 2018-06-20 | 2018-11-13 | 深圳陶金材料科技有限公司 | A kind of ceramal coating and coating |
| CN108863325A (en) * | 2018-07-18 | 2018-11-23 | 合肥市新开创不锈钢设备有限公司 | A method of improving 304 stainless steel kitchenware table top easy cleanings |
| CN108950164A (en) * | 2018-07-31 | 2018-12-07 | 玉环县金龙欧浴洁具有限公司 | Corrugated stainless steel tubing heat treatment process |
| CN109136918A (en) * | 2018-09-20 | 2019-01-04 | 深圳万佳互动科技有限公司 | A kind of preparation method of composite coating |
| CN111147012A (en) * | 2019-12-24 | 2020-05-12 | 保定光为绿色能源科技有限公司 | Folded frame mechanism for matching photovoltaic module and preparation process thereof |
| CN111893416A (en) * | 2020-08-07 | 2020-11-06 | 和县卜集振兴标准件厂 | Cold stamping die surface laser spraying treatment method |
| CN111893416B (en) * | 2020-08-07 | 2022-08-05 | 和县卜集振兴标准件厂 | Cold stamping die surface laser spraying treatment method |
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