CN103464764A - Metal matrix wear-resistant corrosion-resistant surface coating composite and preparation method thereof - Google Patents
Metal matrix wear-resistant corrosion-resistant surface coating composite and preparation method thereof Download PDFInfo
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- CN103464764A CN103464764A CN2013103831074A CN201310383107A CN103464764A CN 103464764 A CN103464764 A CN 103464764A CN 2013103831074 A CN2013103831074 A CN 2013103831074A CN 201310383107 A CN201310383107 A CN 201310383107A CN 103464764 A CN103464764 A CN 103464764A
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- 239000011159 matrix material Substances 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 239000002184 metal Substances 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 77
- 238000002156 mixing Methods 0.000 claims abstract description 51
- 230000007704 transition Effects 0.000 claims abstract description 49
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000005056 compaction Methods 0.000 abstract 7
- 229910001005 Ni3Al Inorganic materials 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 238000003825 pressing Methods 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004663 powder metallurgy Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
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Abstract
The invention discloses metal matrix wear-resistant corrosion-resistant surface coating composite which comprises a metal matrix, a Ni3Al transition layer and a Tic particle enhancing Ni3Al surface coating. The metal matrix, the transition layer and the surface coating are prepared by subjecting powder mixture to thermal pressing sintering reaction and thermal insulation dispersion. The preparation method includes the steps of S1, well mixing 9.3 wt% of Al powder, 5.9 wt% of C powder, 60.8 wt% of Ni powder and 23.0 wt% of Al power to obtain surface coating compaction; S2, well mixing 86.8 wt% of Ni powder and 13.3 wt% of Al power to obtain transition layer compaction; S3, using metal powder to prepare matrix compaction; S4, placing the surface coating compaction, the transition layer compaction and the matrix compaction in a graphite die, and performing thermal pressing sintering reaction and thermal insulation dispersion on the compaction in a vacuum environment.
Description
Technical field
The present invention relates to the coating technology field, relate in particular to a kind of Metal Substrate wear-and corrosion-resistant face coat composite and preparation method thereof.
Background technology
Work under the operating modes such as the severity of modern industry working environment, can be at high temperature in the urgent need to workpiece, anti-corrosion, require more and more higher for the integral body of material.Under the prerequisite that retains workpiece essential structure and components unchanged, only at the workpiece key position, carry out coating protection, can effectively protect workpiece, again can be cost-saving.
For coating, essence is the combination of various keys, therefore how to obtain high bond energy in conjunction with being solve anchoring strength of coating basic.For iron and steel parts, the effective preparation method of coating mainly contains thermal spraying, gas phase deposition technology, composite deposite technology and high energy beam technology etc. at present especially.These methods utilize heat energy or chemical reaction to realize coexisting in metallurgical binding or the metallurgical machinery combination of steel surface coating.But these methods are to prepare coating in type steel surface, coating and component surface matching and compatibility have limited its development.Main manifestations is that steel surface wants stress state in preparation process of pretreatment and coating and the composition will be as far as possible and the parameter matching such as steel surface.Because being utilizes heat energy or chemical reaction to prepare metallurgical coating, easily produce bubble and be mingled with, being difficult to obtain firm, clean interface combination, and the density of coating itself and toughness not high, easily cracking, warpage and come off, affect use and the development prospect of coating.
In order to address this problem, Chinese patent ZL200610038185.0 discloses a kind of coating production, adopts the molten steel cast and is combined and prepares TiC/Ni from spreading technique
3al intermetallic compound base surface composite coating.This coating can realize the metallurgical binding with steel substrate, and corrosion-proof wear own, is a kind of desirable coating material.But, because origin of heat is wayward with synthetic and state interface of cast molten steel, coating, yield rate is not high.
Utilize the particularity of powder metallurgical technique, adopting the integral material for preparing workpiece and coating moulding simultaneously is the effective way that can solve above-mentioned adverse effect.And the pressure energy in powder metallurgy makes interface in conjunction with good, and coating itself is fine and close, does not exist surface of the work to want the processes such as pretreatment.So select a kind of can reaction in-situ synthetic high-strength, wear-resisting high-quality composite as coating, and the heat release of itself to be conducive to the original position of coating synthetic, and to form diffusion layer with the surface of the work coupling be a solution.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of Metal Substrate wear-and corrosion-resistant face coat composite and preparation method thereof, by structural design and preparation method's design, easily produce bubble when having solved steel surface and preparing coating and be mingled with, be difficult to obtain firm, clean interface combination, and the density of coating itself and toughness not high, easily cracking, warpage and the problem such as come off, and can take full advantage of heat energy and pressure, save the energy.
A kind of Metal Substrate wear-and corrosion-resistant face coat composite that the present invention proposes, comprise metallic matrix, at described metal base surface, forms Ni
3the Al transition zone, form the TiC particle on described transition zone surface and strengthen Ni
3the Al face coat, described metallic matrix, transition zone and face coat all adopt the powder batch mixing to carry out the hot pressed sintering reaction and the insulation diffusion forms.
Preferably, described face coat adopts 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder evenly to be mixed according to percentage by weight.
Preferably, in described face coat, the theoretical volume mark of TiC particle is 30%.
Preferably, described transition zone adopts the Al powder of 86.8%Ni powder and 13.3% evenly to be mixed according to percentage by weight.
In the present invention, above-mentioned disclosed Metal Substrate wear-and corrosion-resistant face coat composite compared with prior art, has the following advantages: by design TiC particle, strengthen Ni
3the Al face coat, utilize the TiC particle at Ni
3in Al, distribution is good, combination is firm and the high advantage of TiC pellet hardness, obtains high-intensity surface; Design Ni simultaneously
3the Al transition zone, utilize Ni
3al is combined firmly with the powder metallurgy matrix, interface is good and be combined firmly advantage with the TiC particle, and the TiC particle is strengthened to Ni
3al face coat and powder metallurgy matrix carry out combination by transition zone, thereby prevent TiC particle and the direct combination of powder metallurgy matrix, overcome the TiC particle and are combined the insecure defect that causes easily producing bubble and be mingled with the powder metallurgy matrix.
The invention allows for a kind of preparation method of Metal Substrate wear-and corrosion-resistant face coat composite, comprise the following steps:
S1, by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder evenly mix, the coating batch mixing after mixing is made to the face coat pressed compact;
S2, the Al powder that is 86.8%Ni powder and 13.3% by percentage by weight evenly mix, and the coating batch mixing after mixing is made to the transition zone pressed compact;
S3, metal powder is made to the matrix pressed compact;
S4, face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into to graphite jig, under vacuum environment, pressed compact is carried out to the hot pressed sintering reaction and the insulation diffusion is made.
Preferably, in step S1, even hybrid mode is: by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder carry out batch mixing on ball mill, mixing time is 12 hours, and ball material mass ratio is 3:1.
Preferably, in step S2, evenly hybrid mode is: the Al powder powder batch mixing on ball mill that is 86.8%Ni powder and 13.3% by percentage by weight, and mixing time is 12 hours, ball material mass ratio is 3:1.
Preferably, in step S4, hot pressed sintering reacts and is incubated in diffusion process: the highest 30-45MPa that exerts pressure, the highest sintering temperature 1000-1150 ℃, temperature retention time 120-180min.
Preferably, in step S4, the pressure rate of application is synchronizeed with heating rate.
Preferably, in step S1, under 25MPa pressure, the coating batch mixing mixed is made to the face coat pressed compact, its thickness is 2-3mm; In step S2, under 25MPa pressure, the coating batch mixing after mixing is made to the transition zone pressed compact, its thickness is 0.8-1.2mm; In step S3, steel/iron powder is made to the matrix pressed compact under 25MPa pressure, its thickness is 12-15mm; In step S4, under argon gas atmosphere, in glove box, respectively two end face polishings of transition zone pressed compact, face coat pressed compact and matrix pressed compact are cleared up, then according to sequentially just face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into graphite jig successively from top to bottom.
In the present invention, the preparation method of above-mentioned disclosed Metal Substrate wear-and corrosion-resistant face coat composite compared with prior art, have the following advantages: adopt powder metallurgical technique, first adopt corresponding powder batch mixing to make face coat pressed compact, transition zone pressed compact and matrix pressed compact, then face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into to graphite jig, pressed compact is carried out the hot pressed sintering reaction and is incubated diffusion making finished product under vacuum environment, make interface in conjunction with good, coating itself is fine and close, and can take full advantage of heat energy and pressure, thereby save the energy.
The accompanying drawing explanation
The sem analysis figure that Fig. 1 is a kind of Metal Substrate wear-and corrosion-resistant face coat composite in the present invention;
The EDS analysis chart that Fig. 2 is face coat in Fig. 1;
The EDS analysis chart that Fig. 3 is transition zone in Fig. 1;
The EDS analysis chart that Fig. 4 is metallic matrix in Fig. 1;
The block diagram that Fig. 5 is a kind of preparation method of Metal Substrate wear-and corrosion-resistant face coat composite in the present invention.
The specific embodiment
As Figure 1-5, the sem analysis figure that Fig. 1 is a kind of Metal Substrate wear-and corrosion-resistant face coat composite in the present invention; The EDSD analysis chart that Fig. 2 is face coat in Fig. 1; The EDS analysis chart that Fig. 3 is transition zone in Fig. 1; The EDS analysis chart that Fig. 4 is metallic matrix in Fig. 1; The block diagram that Fig. 5 is a kind of preparation method of Metal Substrate wear-and corrosion-resistant face coat composite in the present invention.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with embodiment, describe the present invention, the description of this part is only exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.
In the present invention, the purity of the Ni powder of employing, Al powder, Ti powder, C powder and Fe powder is respectively 99.5%, 99.0%, 99.5%Ti, 99.9% and 99.0%, and grain graininess is respectively 500 orders, 300 orders, 300 orders, 300 orders and 200 orders.
Please refer to Fig. 1-5, a kind of Metal Substrate wear-and corrosion-resistant face coat composite that the present invention proposes, comprise metallic matrix, at described metal base surface, forms Ni
3the Al transition zone, form the TiC particle on described transition zone surface and strengthen Ni
3the Al face coat, described metallic matrix, transition zone and face coat all adopt the powder batch mixing to carry out the hot pressed sintering reaction and the insulation diffusion forms, and wherein, in face coat, the theoretical volume mark of TiC particle is 30%;
Above-mentioned Metal Substrate wear-and corrosion-resistant face coat composite can be made by following steps:
S1, by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder carry out batch mixing on ball mill, mixing time is 12 hours, ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing mixed is made to the face coat pressed compact, and its thickness is 2mm;
S2, the Al powder batch mixing on ball mill that is 86.8%Ni powder and 13.3% by percentage by weight, mixing time is 12 hours, and ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing after mixing is made to the transition zone pressed compact, and its thickness is 1.2mm;
S3, steel/iron powder is made to the matrix pressed compact under 25MPa pressure, its thickness is 15mm;
S4, under argon gas atmosphere, in glove box, respectively two end face polishings of transition zone pressed compact, face coat pressed compact and matrix pressed compact are cleared up, then according to sequentially just face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into graphite jig successively from top to bottom, pressed compact is carried out the hot pressed sintering reaction and is incubated diffusion making under vacuum environment, wherein, the highest 30MPa that exerts pressure, 1000 ℃ of the highest sintering temperatures, temperature retention time 180min and pressure rate of application are synchronizeed with heating rate.
Please refer to Fig. 1-5, a kind of Metal Substrate wear-and corrosion-resistant face coat composite that the present invention proposes, comprise metallic matrix, at described metal base surface, forms Ni
3the Al transition zone, form the TiC particle on described transition zone surface and strengthen Ni
3the Al face coat, described metallic matrix, transition zone and face coat all adopt the powder batch mixing to carry out the hot pressed sintering reaction and the insulation diffusion forms, and wherein, in face coat, the theoretical volume mark of TiC particle is 30%;
Above-mentioned Metal Substrate wear-and corrosion-resistant face coat composite can be made by following steps:
S1, by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder carry out batch mixing on ball mill, mixing time is 12 hours, ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing mixed is made to the face coat pressed compact, and its thickness is 2.5mm;
S2, the Al powder batch mixing on ball mill that is 86.8%Ni powder and 13.3% by percentage by weight, mixing time is 12 hours, and ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing after mixing is made to the transition zone pressed compact, and its thickness is 1mm;
S3, steel/iron powder is made to the matrix pressed compact under 25MPa pressure, its thickness is 13mm;
S4, under argon gas atmosphere, in glove box, respectively two end face polishings of transition zone pressed compact, face coat pressed compact and matrix pressed compact are cleared up, then according to sequentially just face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into graphite jig successively from top to bottom, pressed compact is carried out the hot pressed sintering reaction and is incubated diffusion making under vacuum environment, wherein, the highest 45MPa that exerts pressure, 1150 ℃ of the highest sintering temperatures, temperature retention time 120 and pressure rate of application are synchronizeed with heating rate.
Please refer to Fig. 1-5, a kind of Metal Substrate wear-and corrosion-resistant face coat composite that the present invention proposes, comprise metallic matrix, at described metal base surface, forms Ni
3the Al transition zone, form the TiC particle on described transition zone surface and strengthen Ni
3the Al face coat, described metallic matrix, transition zone and face coat all adopt the powder batch mixing to carry out the hot pressed sintering reaction and the insulation diffusion forms, and wherein, in face coat, the theoretical volume mark of TiC particle is 30%;
Above-mentioned Metal Substrate wear-and corrosion-resistant face coat composite can be made by following steps:
S1, by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder carry out batch mixing on ball mill, mixing time is 12 hours, ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing mixed is made to the face coat pressed compact, and its thickness is 3mm;
S2, the Al powder batch mixing on ball mill that is 86.8%Ni powder and 13.3% by percentage by weight, mixing time is 12 hours, and ball material mass ratio is 3:1, under 25MPa pressure, the coating batch mixing after mixing is made to the transition zone pressed compact, and its thickness is 0.8mm;
S3, steel/iron powder is made to the matrix pressed compact under 25MPa pressure, its thickness is 14mm;
S4, under argon gas atmosphere, in glove box, respectively two end face polishings of transition zone pressed compact, face coat pressed compact and matrix pressed compact are cleared up, then according to sequentially just face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into graphite jig successively from top to bottom, pressed compact is carried out the hot pressed sintering reaction and is incubated diffusion making under vacuum environment, wherein, the highest 40MPa that exerts pressure, 1100 ℃ of the highest sintering temperatures, temperature retention time 150min and pressure rate of application are synchronizeed with heating rate.
The Metal Substrate wear-and corrosion-resistant face coat composite obtained in embodiment 1-3, have three-decker, is respectively matrix, transition zone, face coat, and its sem analysis figure as shown in Figure 1; Wherein, face coat is that the TiC particle strengthens Ni
3the Al face coat, the theoretical volume mark of the TiC particle of generation is 30%, its EDS analysis chart is as shown in Figure 2; Transition zone is Ni
3the Al transition zone, its EDS analysis chart is as shown in Figure 3; Metallic matrix is the iron-based body, and its EDS analysis chart as shown in Figure 4.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. a Metal Substrate wear-and corrosion-resistant face coat composite, is characterized in that, comprises metallic matrix, at described metal base surface, forms Ni
3the Al transition zone, form the TiC particle on described transition zone surface and strengthen Ni
3the Al face coat, described metallic matrix, transition zone and face coat all adopt the powder batch mixing to carry out the hot pressed sintering reaction and the insulation diffusion forms.
2. Metal Substrate wear-and corrosion-resistant face coat composite according to claim 1, is characterized in that, described face coat adopts 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder evenly to be mixed according to percentage by weight.
3. Metal Substrate wear-and corrosion-resistant face coat composite according to claim 2, is characterized in that, in described face coat, the theoretical volume mark of TiC particle is 30%.
4. Metal Substrate wear-and corrosion-resistant face coat composite according to claim 2, is characterized in that, described transition zone adopts the Al powder of 86.8%Ni powder and 13.3% evenly to be mixed according to percentage by weight.
5. the preparation method of a Metal Substrate wear-and corrosion-resistant face coat composite, is characterized in that, comprises the following steps:
S1, by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder evenly mix, the coating batch mixing after mixing is made to the face coat pressed compact;
S2, the Al powder that is 86.8%Ni powder and 13.3% by percentage by weight evenly mix, and the coating batch mixing after mixing is made to the transition zone pressed compact;
S3, metal powder is made to the matrix pressed compact;
S4, face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into to graphite jig, under vacuum environment, pressed compact is carried out to the hot pressed sintering reaction and the insulation diffusion is made.
6. the preparation method of Metal Substrate wear-and corrosion-resistant face coat composite according to claim 5, it is characterized in that, in step S1, evenly hybrid mode is: by percentage by weight, be that 9.3%Al powder, 5.9%C powder, 60.8%Ni powder and 23.0%Ti powder carry out batch mixing on ball mill, mixing time is 12 hours, and ball material mass ratio is 3:1.
7. the preparation method of Metal Substrate wear-and corrosion-resistant face coat composite according to claim 5, it is characterized in that, in step S2, evenly hybrid mode is: the Al powder powder batch mixing on ball mill that is 86.8%Ni powder and 13.3% by percentage by weight, mixing time is 12 hours, and ball material mass ratio is 3:1.
8. the preparation method of Metal Substrate wear-and corrosion-resistant face coat composite according to claim 5, it is characterized in that, in step S4, hot pressed sintering reacts and is incubated in diffusion process: the highest 30-45MPa that exerts pressure, the highest sintering temperature 1000-1150 ℃, temperature retention time 120-180min.
9. the preparation method of Metal Substrate wear-and corrosion-resistant face coat composite according to claim 8, is characterized in that, in step S4, the pressure rate of application is synchronizeed with heating rate.
10. the preparation method of Metal Substrate wear-and corrosion-resistant face coat composite according to claim 5, is characterized in that, in step S1, under 25MPa pressure, the coating batch mixing mixed made to the face coat pressed compact, and its thickness is 2-3mm; In step S2, under 25MPa pressure, the coating batch mixing after mixing is made to the transition zone pressed compact, its thickness is 0.8-1.2mm; In step S3, steel/iron powder is made to the matrix pressed compact under 25MPa pressure, its thickness is 12-15mm; In step S4, under argon gas atmosphere, in glove box, respectively two end face polishings of transition zone pressed compact, face coat pressed compact and matrix pressed compact are cleared up, then according to sequentially just face coat pressed compact, transition zone pressed compact and matrix pressed compact are put into graphite jig successively from top to bottom.
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| CN103667794A (en) * | 2012-09-07 | 2014-03-26 | 盐城工学院 | Method of preparing high-strength anti-corrosion composite coating on steel surface |
| CN103921493A (en) * | 2014-04-16 | 2014-07-16 | 同济大学 | Aluminium alloy substrate/NiAL coating composite material and preparation method thereof |
| CN103990804A (en) * | 2014-05-16 | 2014-08-20 | 江苏大学 | Method for recycling steel scraps |
| CN106623945A (en) * | 2016-10-16 | 2017-05-10 | 成都蒲江珂贤科技有限公司 | Metal matrix wear-resisting and corrosion-resisting surface coating composite material and preparing method thereof |
| CN106756891A (en) * | 2016-12-15 | 2017-05-31 | 厦门虹鹭钨钼工业有限公司 | A kind of tungsten coating heating plate for MOCVD device and preparation method thereof |
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| CN109397788A (en) * | 2018-10-30 | 2019-03-01 | 西安理工大学 | A kind of high-manganese steel-base multi-layer wear-resistant composite material and preparation method |
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