CN111876718A - MXenes-containing iron-based amorphous powder core wire and preparation method and application thereof - Google Patents

MXenes-containing iron-based amorphous powder core wire and preparation method and application thereof Download PDF

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Publication number
CN111876718A
CN111876718A CN202010743880.7A CN202010743880A CN111876718A CN 111876718 A CN111876718 A CN 111876718A CN 202010743880 A CN202010743880 A CN 202010743880A CN 111876718 A CN111876718 A CN 111876718A
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mxenes
based amorphous
iron
stainless steel
powder core
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林尽染
王昆
毛广春
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Jiangsu Jinxiang Transmission Equipment Co ltd
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    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/131—Wire arc spraying
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material

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  • Metallurgy (AREA)
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  • Plasma & Fusion (AREA)
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  • Powder Metallurgy (AREA)

Abstract

The invention discloses an iron-based amorphous cored wire containing MXenes, a preparation method and application thereof, wherein the wire comprises 98.5-99.5 wt.% of iron-based amorphous and 0.5-1.5 wt.% of MXenes; the iron-based amorphous powder core wire is prepared by coating a powder core by a stainless steel band, wherein the powder core is formed by mixing seven element powders, and the weight percentage ranges are as follows: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Ti3C2Tz、Zr3C2Tz、Hf3C2Tz（TzAt least one of = O, F, OH); the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1. The iron-based amorphous powder core wire containing MXenes is applied to the high corrosion-resistant iron-based amorphous/MXenes composite protective coatingThe coating is prepared by adopting an electric arc spraying technology. The protective coating with high bonding strength and excellent corrosion resistance is obtained, is suitable for the surfaces of parts working under severe working conditions such as marine environment and the like, is easy to industrialize and has wide application prospect.

Description

MXenes-containing iron-based amorphous powder core wire and preparation method and application thereof
Technical Field
The invention belongs to the field of thermal spraying of material processing engineering, and particularly relates to an iron-based amorphous powder core wire containing MXenes, and a preparation method and application thereof.
Background
With the development of science and technology, the service environment of various metal components is increasingly complex, the service performance of the metal components is seriously reduced and the service life of the metal components is shortened by the environment with strong corrosivity such as ocean, and therefore, the development of novel high-corrosion-resistance metal materials becomes a problem to be solved urgently. Iron-based metal materials are one of the most cost-effective metal types, but their corrosion resistance is often poor.
The iron-based amorphous material has a disordered long-range atomic structure, and the defects of grain boundaries, dislocation and the like do not exist in the material, so that the corrosion resistance of the iron-based amorphous material is greatly improved compared with a crystal material with chemical components. However, the amorphous material requires a very high cooling rate during the preparation process, so that the preparation of bulk amorphous material is still a difficult technological problem to solve at present. At present, the preparation of a thin coating on the surface of various base materials by adopting a thermal spraying technology is one of effective means for obtaining amorphous materials. Among various thermal spraying techniques, the arc spraying technique is widely applied to production and life because of the advantages of low energy consumption, high efficiency, convenient construction and the like. However, the existing arc-sprayed iron-based amorphous coatings generally have a low chromium content in order to obtain a high amorphous content, and in addition, the inevitable presence of pores, oxides and crystalline phases in the thermal-sprayed amorphous coating may lead to local chromium-depleted zones in the coating, thereby reducing the corrosion resistance of the coating.
Disclosure of Invention
In view of the above problems, the object of the present invention is: MXenes is uniformly distributed in an amorphous matrix, the amorphous forming capability is high, and the composite material has high bonding strength and excellent corrosion resistance.
In order to achieve the purpose, the invention adopts the technical scheme that: an iron-based amorphous cored wire containing MXenes, which comprises 98.5-99.5 wt.% of iron-based amorphous and 0.5-1.5 wt.% of MXenes; the iron-based amorphous powder core wire is prepared by coating a powder core by a stainless steel band, wherein the powder core is formed by mixing seven element powders, and the weight percentage ranges are as follows: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Ti3C2Tz、Zr3C2Tz、Hf3C2Tz（TzAt least one of = O, F, OH); the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1.
Furthermore, the MXenes-containing iron-based amorphous powder core wire comprises 99wt% of iron-based amorphous and 1 wt% of MXenes, wherein the MXenes is Ti3C2TzWherein T is O, F or OH.
Further, an MXenes-containing iron-based amorphous cored wire, which is prepared by the following steps:
(1) mixing seven element powder of the powder core and MXenes according to mass percentage, adding alcohol, wet mixing in a ball mill for 24-36 h at the rotating speed of 120 r/min to obtain a mixture, wherein the weight ratio of stainless steel grinding balls to the mixed powder is 4: 1;
(2) placing the mixture obtained in the step (1) in a rotary evaporator, drying until alcohol volatilizes, then placing the dried mixture in a drying oven for drying at the drying temperature of 80 ℃ for 4h, and then sieving by a sieve of 60-150 meshes to obtain powder;
(3) pressing the stainless steel belt into a U shape, and adding the powder in the step (2) into the U-shaped groove;
(4) closing the U-shaped stainless steel strip, coating the powder in the U-shaped stainless steel strip, and then drawing and reducing the diameter one by one to finally obtain the cored wire with the diameter of 3 mm.
Furthermore, the application of the iron-based amorphous powder core wire containing MXenes in the high corrosion-resistant iron-based amorphous/MXenes composite protective coating comprises the following steps:
(1) pretreating the surface of the substrate: after removing rust and oil on the surface of the matrix, under the condition that the air pressure is 0.7-0.8 MPa, adopting brown corundum sand with the granularity of 5-35 meshes to perform sand blasting and coarsening on the surface of the matrix;
(2) spraying: loading the cored wires into a wire feeding device of electric arc spraying equipment, and preparing an amorphous/MXenes composite protective coating on the surface of the pretreated substrate; the process parameters of the electric arc spraying equipment are as follows: the spraying voltage is 32V, the spraying current is 160A, the spraying distance is 200 mm, and the compressed air pressure is 0.6 MPa.
Furthermore, the bonding strength of the composite protective coating is more than or equal to 30 MPa, and the hardness is more than or equal to 700HV0.3The corrosion resistance rate is less than or equal to 0.1 mm/year.
The invention has the beneficial effects that:
1. the coating with high bonding strength and excellent corrosion resistance is obtained, is suitable for the surfaces of parts working under severe working conditions such as marine environment and the like, is easy to industrialize and has wide application prospect;
2. in the components of the Fe-based amorphous material containing MXenes, C is used as a metalloid element, so that the critical cooling speed of the amorphous alloy is reduced, and the formation of an amorphous phase is facilitated; si has the function of improving the fluidity of the molten metal and the amorphous forming capability of the system; cr effectively improves the rigidity, strength and corrosion resistance of the system; zr plays a role in precipitation strengthening, and the strength and hardness of the coating are improved; co improves the glass forming capability of the system and widens the amorphous forming range; the addition of Ni improves the thermal stability of the amorphous alloy and is beneficial to improving the toughness of the coating;
3. through the adjustment of the types of the added atoms and the proportion of the atoms, atoms have a large degree of atom mismatching, which can reduce the free volume of the system, hinder the diffusion of elements and improve the amorphous forming capability and stability of the system;
4. by adding the MXenes second phase, pores in the alloy are effectively blocked and a physical shielding layer is formed, so that the invasion of a corrosive medium is hindered, and the corrosion resistance of the composite material is improved;
5. by adopting the electric arc spraying technology, the composite coating prepared on the substrate has the bonding strength of more than or equal to 30 MPa and the hardness of more than or equal to 700HV0.3The corrosion resistance rate is less than or equal to 0.1 mm/year;
6. the iron-based amorphous coating with higher chromium content is prepared by component design, and has important theoretical value and practical significance for obtaining high-corrosion-resistance amorphous materials.
7. Proper MXenes is added into the alloy material, and the novel two-dimensional structure material effectively blocks the pores in the alloy and forms a physical shielding layer, so that the invasion of corrosive media is hindered, and the corrosion resistance of the composite material is further improved.
8. The amorphous/MXenes composite coating with high chromium content is prepared by adopting an electric arc spraying process, and has important theoretical significance and practical value.
Detailed Description
The invention will be better understood from the following examples. However, those skilled in the art will readily appreciate that the specific material ratios, process conditions and results thereof described in the examples are illustrative only and should not be taken as limiting the invention as detailed in the claims.
Example 1:
an MXenes-containing iron-based amorphous powder core wire, which comprises iron-based amorphous powder and MXenes, wherein the content of MXenes is 0.5 wt%; the iron-based amorphous powder core wire is prepared by coating a powder core by a stainless steel band, wherein the powder core is formed by mixing seven element powders, and the weight percentage ranges are as follows: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Ti3C2TzWherein T is O, F or OH; the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1.
The iron-based amorphous powder core wire containing MXenes is prepared by the following steps:
(1) mixing seven element powder of the powder core and MXenes according to mass percentage, adding alcohol, wet mixing in a ball mill for 30 hours at a rotating speed of 120 r/min to obtain a mixture, wherein the weight ratio of stainless steel grinding balls to the mixed powder is 4: 1;
(2) placing the mixture in a rotary evaporator, drying until alcohol volatilizes, then placing the dried mixture in a drying oven for drying at 80 ℃ for 4 hours, and then sieving with a 105-mesh sieve to obtain powder;
(3) pressing a stainless steel belt into a U shape, and adding the powder into the U-shaped groove;
(4) closing the U-shaped stainless steel strip, coating the powder in the U-shaped stainless steel strip, and then drawing and reducing the diameter one by one to finally obtain the cored wire with the diameter of 3 mm.
The application of the iron-based amorphous powder core wire containing MXenes in the high corrosion-resistant iron-based amorphous/MXenes composite protective coating comprises the following steps:
(1) pretreating the surface of the substrate: after removing rust and oil on the surface of the matrix, adopting brown corundum sand with the granularity of 20 meshes to perform sand blasting and coarsening on the surface of the matrix under the air pressure of 0.75 MPa;
(2) spraying: loading the cored wires into a wire feeding device of electric arc spraying equipment, and preparing an amorphous/MXenes composite protective coating on the surface of the pretreated substrate; the process parameters of the electric arc spraying equipment are as follows: the spraying voltage is 32V, the spraying current is 160A, the spraying distance is 200 mm, and the compressed air pressure is 0.6 MPa.
Example 2:
an MXenes-containing iron-based amorphous powder core wire, which comprises iron-based amorphous powder and MXenes, wherein the MXenes content is 1 wt%; the iron-based amorphous powder core wire is prepared by coating a powder core by a stainless steel band, wherein the powder core is formed by mixing seven element powders, and the weight percentage ranges are as follows: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Zr3C2TzWherein T is O, F or OH; the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1.
The iron-based amorphous powder core wire containing MXenes is prepared by the following steps:
(1) mixing seven element powder of the powder core and MXenes according to mass percentage, adding alcohol, wet mixing in a ball mill at a rotating speed of 120 r/min for 24 hours to obtain a mixture, wherein the weight ratio of stainless steel grinding balls to the mixed powder is 4: 1;
(2) placing the mixture obtained in the step (1) in a rotary evaporator, drying until alcohol volatilizes, then placing the dried mixture in a drying oven for drying at the drying temperature of 80 ℃ for 4h, and then sieving by a 60-mesh sieve to obtain powder;
(3) pressing the stainless steel belt into a U shape, and adding the powder in the step (2) into the U-shaped groove;
(4) closing the U-shaped stainless steel strip, coating the powder in the U-shaped stainless steel strip, and then drawing and reducing the diameter one by one to finally obtain the cored wire with the diameter of 3 mm.
The application of the iron-based amorphous powder core wire containing MXenes in the high corrosion-resistant iron-based amorphous/MXenes composite protective coating comprises the following steps:
(1) pretreating the surface of the substrate: after removing rust and oil on the surface of the matrix, adopting brown corundum sand with the granularity of 5 meshes to perform sand blasting and coarsening on the surface of the matrix under the condition that the air pressure is 0.7 MPa;
(2) spraying: loading the cored wires into a wire feeding device of electric arc spraying equipment, and preparing an amorphous/MXenes composite protective coating on the surface of the pretreated substrate; the process parameters of the electric arc spraying equipment are as follows: the spraying voltage is 32V, the spraying current is 160A, the spraying distance is 200 mm, and the compressed air pressure is 0.6 MPa.
Example 3:
an MXenes-containing iron-based amorphous material powder core wire, which comprises iron-based amorphous and MXenes, wherein the MXenes content is 1.5 wt%; the iron-based amorphous powder core wire is prepared by coating a powder core by a stainless steel band, wherein the powder core is formed by mixing seven element powders, and the weight percentage ranges are as follows: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Hf3C2TzWherein T is O, F or OH; the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1.
The iron-based amorphous powder core wire containing MXenes is prepared by the following steps:
(1) mixing seven element powder of the powder core and MXenes according to mass percentage, adding alcohol, wet mixing in a ball mill for 36 hours at a rotating speed of 120 r/min to obtain a mixture, wherein the weight ratio of stainless steel grinding balls to the mixed powder is 4: 1;
(2) placing the mixture obtained in the step (1) in a rotary evaporator, drying until alcohol volatilizes, then placing the dried mixture in a drying oven for drying at the drying temperature of 80 ℃ for 4h, and then sieving the dried mixture by a 150-mesh sieve to obtain powder;
(3) pressing the stainless steel belt into a U shape, and adding the powder in the step (2) into the U-shaped groove;
(4) closing the U-shaped stainless steel strip, coating the powder in the U-shaped stainless steel strip, and then drawing and reducing the diameter one by one to finally obtain the cored wire with the diameter of 3 mm.
The application of the iron-based amorphous powder core wire containing MXenes in the high corrosion-resistant iron-based amorphous/MXenes composite protective coating comprises the following steps:
(1) pretreating the surface of the substrate: after removing rust and oil on the surface of the matrix, adopting brown corundum sand with the granularity of 35 meshes to perform sand blasting and coarsening on the surface of the matrix under the condition that the air pressure is 0.8 MPa;
(2) spraying: loading the cored wires into a wire feeding device of electric arc spraying equipment, and preparing an amorphous/MXenes composite protective coating on the surface of the pretreated substrate; the process parameters of the electric arc spraying equipment are as follows: the spraying voltage is 32V, the spraying current is 160A, the spraying distance is 200 mm, and the compressed air pressure is 0.6 MPa.
Respectively preparing the high-corrosion-resistance iron-based amorphous/MXenes composite protective coating according to the embodiments 1-3, and testing the bonding strength, microhardness and corrosion resistance of the coating; measuring the bonding strength of the coating by adopting a stretching method, and selecting E-7 glue as a binder; adopting an HXD-1000TC microhardness tester to test the microhardness of the coating, wherein the load is 300 g and the load retention time is 15 s in the test process; the seawater corrosion resistance rate of the coating was tested using a Consted CS2350H electrochemical workstation. The results of the bonding strength, hardness and corrosion resistance of the above coating are shown in the following table:
Figure DEST_PATH_IMAGE002A
。

Claims (5)

1. an iron-based amorphous cored wire containing MXenes, which is characterized in that: it comprises 98.5-99.5 wt.% of iron-based amorphous and 0.5-1.5 wt.% of MXenes; the iron-based amorphous powder core wire is made of a stainless steel band coated powder core, and the powder core is seven-elementThe powder is prepared by mixing the following components in percentage by weight: 38% of Cr, 2% of C, 4% of Si, 3% of Ni, 5% of Co, 10% of Zr and the balance of Fe; the MXenes is Ti3C2Tz、Zr3C2Tz、Hf3C2Tz（TzAt least one of = O, F, OH); the stainless steel band is 310S stainless steel, and the weight ratio of the powder core to the stainless steel band is 0.8: 1.
2. The MXenes-containing iron-based amorphous cored wire of claim 1, wherein: it comprises 99wt% of iron-based amorphous and 1 wt% of MXenes which is Ti3C2TzWherein T is O, F or OH.
3. An MXenes containing iron-based amorphous dust core wire according to claim 1, characterized in that the dust core wire is prepared by the following steps:
(1) mixing seven element powder of the powder core and MXenes according to mass percentage, adding alcohol, wet mixing in a ball mill for 24-36 h at the rotating speed of 120 r/min to obtain a mixture, wherein the weight ratio of stainless steel grinding balls to the mixed powder is 4: 1;
(2) placing the mixture obtained in the step (1) in a rotary evaporator, drying until alcohol volatilizes, then placing the dried mixture in a drying oven for drying at the drying temperature of 80 ℃ for 4h, and then sieving by a sieve of 60-150 meshes to obtain powder;
(3) pressing the stainless steel belt into a U shape, and adding the powder in the step (2) into the U-shaped groove;
(4) closing the U-shaped stainless steel strip, coating the powder in the U-shaped stainless steel strip, and then drawing and reducing the diameter one by one to finally obtain the cored wire with the diameter of 3 mm.
4. The application of the MXenes-containing iron-based amorphous powder core wire in the high corrosion resistance iron-based amorphous/MXenes composite protective coating according to claim 1, wherein the construction method of the composite protective coating comprises the following steps:
(1) pretreating the surface of the substrate: after removing rust and oil on the surface of the matrix, under the condition that the air pressure is 0.7-0.8 MPa, adopting brown corundum sand with the granularity of 5-35 meshes to perform sand blasting and coarsening on the surface of the matrix;
(2) spraying: loading the cored wires into a wire feeding device of electric arc spraying equipment, and preparing an amorphous/MXenes composite protective coating on the surface of the pretreated substrate; the process parameters of the electric arc spraying equipment are as follows: the spraying voltage is 32V, the spraying current is 160A, the spraying distance is 200 mm, and the compressed air pressure is 0.6 MPa.
5. The application of the MXenes-containing iron-based amorphous powder core wire in the high corrosion resistance iron-based amorphous/MXenes composite protective coating according to claim 4, wherein: the bonding strength of the composite protective coating is more than or equal to 30 MPa, and the hardness is more than or equal to 700HV0.3The corrosion resistance rate is less than or equal to 0.1 mm/year.
CN202010743880.7A 2020-07-29 2020-07-29 MXenes-containing iron-based amorphous powder core wire and preparation method and application thereof Pending CN111876718A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534435A (en) * 2010-12-20 2012-07-04 北京有色金属研究总院 Iron-based amorphous alloy powder, iron-based amorphous alloy coating and preparation method thereof
CN107699843A (en) * 2017-09-21 2018-02-16 河海大学 A kind of powder cored filament material for preparing high content of amorphous coating and its preparation method and application
CN108793166A (en) * 2018-07-10 2018-11-13 中国科学院宁波材料技术与工程研究所 Composite material, its preparation method and the application of the compound MXenes of B metal
CN110230011A (en) * 2019-06-18 2019-09-13 河海大学 It is a kind of for Fe-based amorphous/MXenes composite electromagnetic shield materials of severe corrosive environment and application
EP3680962A1 (en) * 2019-01-09 2020-07-15 The Provost, Fellows, Scholars and other Members of Board of Trinity College Dublin High capacity electrodes enabled by 2d materials in a viscous aqueous ink

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534435A (en) * 2010-12-20 2012-07-04 北京有色金属研究总院 Iron-based amorphous alloy powder, iron-based amorphous alloy coating and preparation method thereof
CN107699843A (en) * 2017-09-21 2018-02-16 河海大学 A kind of powder cored filament material for preparing high content of amorphous coating and its preparation method and application
CN108793166A (en) * 2018-07-10 2018-11-13 中国科学院宁波材料技术与工程研究所 Composite material, its preparation method and the application of the compound MXenes of B metal
EP3680962A1 (en) * 2019-01-09 2020-07-15 The Provost, Fellows, Scholars and other Members of Board of Trinity College Dublin High capacity electrodes enabled by 2d materials in a viscous aqueous ink
CN110230011A (en) * 2019-06-18 2019-09-13 河海大学 It is a kind of for Fe-based amorphous/MXenes composite electromagnetic shield materials of severe corrosive environment and application

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Application publication date: 20201103