CN108707895A - The composite coating material and preparation method of copper base metal are repaired for underwater laser - Google Patents
The composite coating material and preparation method of copper base metal are repaired for underwater laser Download PDFInfo
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- CN108707895A CN108707895A CN201810622272.3A CN201810622272A CN108707895A CN 108707895 A CN108707895 A CN 108707895A CN 201810622272 A CN201810622272 A CN 201810622272A CN 108707895 A CN108707895 A CN 108707895A
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- laser
- underwater
- preparation
- composite coating
- base metal
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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
- 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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The present invention provides a kind of composite coating material and preparation method for repairing copper base metal for underwater laser, by the CaF of the B and 2.5-3wt.% of Si, 1-1.5wt.% of Mo, 1-2wt.% of Mn, 11-12wt.% of Ni, 2-4wt.% of Fe, 4-5wt.% of Al, 3-4wt.% of Cu, 7-9wt.% of 62-64wt.%2Composition.It is of the present invention to repair that specific complex coating material of copper alloy perished surface and preparation method thereof is simple for process, and material therefor is of low cost online for underwater laser；Process of the present invention is easy to automate, and such consumptive material form is highly suitable for underwater environment, and reason is the excellent molten preceding water resistance of such consumptive material；Laser processing procedure draining and alloying action can preferably be played by repairing the specific complex coating material of copper alloy perished surface online for underwater laser, be advantageously implemented underwater in-situ laser melting coating；The deficiency of copper alloy forming quality difference under water environment can be improved by repairing the specific complex coating material of copper alloy perished surface online for underwater laser.
Description
Technical field
The present invention relates to a kind of composite coating material and preparation method, more particularly to one kind are copper-based for underwater laser reparation
The composite coating material and preparation method of metal, belong to material science and processing technique field.
Background technology
Deep-sea is always people's yearning and it is desirable that one of the key areas developed, in recent years, various deep sea equipments are in one after another
Present people at the moment, deep-sea oil gas pipeline, deepwater robot, bathyscaph etc..In addition, the concept of deep-sea space station is most
Start the broad interest for causing people in recent years.Then people naturally expect the maintenance problem of these deep sea equipments, wherein
Most it is significant be also most challenge the problem of be exactly the in-situ immobilization under abyssal environment.Nowadays, occurred in the world
Underwater welding technology, this is a kind of technology directly welded under water using electric arc, the appearance of this technology is made us
See the hope of underwater in-situ repair.Hereafter, people, which have, has gradually developed underwater laser welding and melting and coating technique, this skill
The characteristics of art is to create the same atmosphere of same atmospheric environment as far as possible under water environment, that is to say, that it needs mating auxiliary
Equipment, this technology can be achieved in shallower waters and unique feature, but with this skill of the increase of the depth of water
The disadvantage of art just highlights, it will be by the serious restriction of auxiliary equipment.In order to break through this restriction, directly complete wet
The idea for carrying out laser repairing in water environment is come into being.This laser processing skill directly repaired online in water environment
The most key link of art is exactly the use of repair materials.
Copper product is a kind of important materials in ocean engineering application, and copper-based metallic material all exists in various application environments
It plays an important role.In recent years, the online reparation demand of copper-based metallic material is very urgent.It is originally ground in the practice of early stage
Team is studied carefully using the coating of half dissolubility as the second protective layer, and preset copper alloy powder last layer has carried out under water as cladding presoma
The experimental study that laser is repaired online, as a result, it has been found that this method is very effective.But many problems are equally existed, than
Such as, the repair layer porosity of preparation is higher, and extraneous contamination is serious, and forming quality is excited luminous power seriously limitation etc..Finally, pass through
Research and summary obtain：The reason of generating this result is strong suction of the plasma composition to laser of photic medicament gas bag
It receives and the collective effect of physicochemical characteristics to the enormous impact of laser molten pool and copper product itself.Therefore, medicine component
Improvement and cladding material upgrading will be further realize underwater in-situ repair copper alloy element effective way.
Invention content
It is provided the purpose of the present invention is to solve the bad problem of existing consumptive material forming quality a kind of for swashing under water
Light repairs the composite coating material and preparation method of copper base metal.
The object of the present invention is achieved like this：
A kind of composite coating material for repairing copper base metal for underwater laser, by Cu, 7-9wt.% of 62-64wt.%
Al, 3-4wt.% Fe, 4-5wt.% Ni, 2-4wt.% Mn, 11-12wt.% Mo, 1-2wt.% Si, 1-
The CaF of the B and 2.5-3wt.% of 1.5wt.%2Composition.
A kind of preparation method of composite coating that repairing copper base metal for underwater laser, includes the following steps：
Step 1：According to Ni, 2- of Fe, 4-5wt.% of Al, 3-4wt.% of Cu, 7-9wt.% of 62-64wt.%
The CaF of the B and 2.5-3wt.% of Si, 1-1.5wt.% of Mo, 1-2wt.% of Mn, 11-12wt.% of 4wt.%2Ingredient is matched
Than weighing metal powder, the grain size of the metal powder is 50 μm -70 μm, be used in combination ball mill be uniformly mixed obtain it is prepared multiple
Close coating material；
Step 2：By prepared composite coating material as the first initialization layer, using binder by composite coating material
It is preset in impaired copper alloy surface；
Step 3：By Sn metal powders as the second initialization layer, Sn metal powders are preset in first in advance using binder
It sets on layer；
Step 4：Cladding is carried out using laser melting coating system.
The invention also includes some such features：
1. Ball-milling Time is 2-3 hours in step 1, ratio of grinding media to material 2-3:1, drum's speed of rotation 300-500r/min；
2. binder described in step 2 and step 3 is α-cyanoacrylate, epoxy resin or polyvinyl alcohol；
3. the purity of Sn metal powders described in step 3 > 99.95%；
4. the light source of laser melting coating system laser described in step 4 is Nd:YAG laser, laser power 3000W, scanning speed
Degree is 10mm/s, laser diameter 4mm, Laser Negative defocus.
It is found in daily research, harmless low-melting-point metal has draining and alloy well under the effect of the laser
Change acts on, for example the Sn metal alkyl materials used in the present invention can play preferable draining in the underwater reparation of Cu Base Metals
And alloying action.In addition, using low-melting-point metal as photo plasma caused by intermediate materials material to laser
Absorption is not strong, therefore will not exceedingly influence coating processing quality, institute as draining medicament using Sn metal alkyl materials
With Sn metal alkyl materials are a kind of intermediate materials material of good underwater laser reparation copper alloy in the present invention.In addition, copper
Alloy material has the characteristics that quick conductive, its bath properties is different from the materials such as steel, nickel, cobalt in laser processing procedure,
Its stirring movement is more violent, and copper alloy molten bath is easily cooling in the process in seething for molten bath under the ultrafast cooling rate in water environment
Solidification, to form a large amount of stomata.In the present invention, it is reached by the way that suitable Mo, Si and B element are added in coating material
The effect for having arrived stabilized copper Alloy by Laser molten bath, the copper alloy coating forming quality prepared are preferable.
Composite coating material of the present invention has the function of stabilized lasers processing molten bath, molten rear slag making decontamination, wherein Mo
The purpose is to stabilized copper alloy pools under being irradiated in laser for the addition of element；The addition of B, the purpose is to increase copper alloy coating
Heat resistance reduces the radiating rate of coating；The addition of Si powder, the purpose is to slag making decontamination, ensure the cleaning quality of coating；
CaF2Addition react to reduce the content of hydrogen blistering in coating in process the purpose is to cross the hydrogen generated with laser.
Compared with prior art, the beneficial effects of the invention are as follows：
1. it is of the present invention for underwater laser repair online copper alloy perished surface specific complex coating material and
Preparation method is simple for process, and material therefor is of low cost；
2. process of the present invention is easy to automate, and such consumptive material form is highly suitable for underwater ring
Border, reason are the excellent molten preceding water resistance of such consumptive material；
3. the specific complex coating material energy of the present invention for repairing copper alloy perished surface online for underwater laser
It is enough preferably to play laser processing procedure draining and alloying action, it is advantageously implemented underwater in-situ laser melting coating；
4. the specific complex coating material energy of the present invention for repairing copper alloy perished surface online for underwater laser
Enough improve the deficiency of copper alloy forming quality difference under water environment；
5. it is of the present invention for underwater laser repair online copper alloy perished surface specific complex coating material and
Preparation method can be studied for further underwater laser cladding and provide materialogy mentality of designing.
Description of the drawings
Fig. 1 a- Fig. 1 d are lower laser melting coating processing coating pictorial diagrams；
Fig. 2 a-2b are the micro-structure diagrams for processing coating.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.
The present invention repairs specific complex coating material and its user of copper alloy perished surface for underwater laser online
Method is realized according to the following steps：
One, 63wt.%Cu, 9wt.%Al, 4wt.%Fe, 4wt.%Ni, 2wt.%Mn of the present invention are pressed,
12wt.%Mo, 2wt.%Si, 1wt.%B, 3wt.%CaF2Composition proportion weighs powder, and the diameter grain of the metal powder is 50 μ
M simultaneously utilizes the full and uniform mixing of ball mill；
Two, use the organic gel of waterproof for binder (including α-cyanoacrylate, epoxy resin, polyvinyl alcohol etc.)
The dusty material mixed is preset in impaired copper alloy surface；
Three, it uses Sn metal powders for the second initialization layer, equally uses waterproof organic gel for binder；
Four, the online reparation of underwater copper alloy perished surface is carried out using laser melting coating system.
Wherein Ball-milling Time described in step 1 is 2 hours, and ball milling ratio of grinding media to material is 2:1, drum's speed of rotation 300r/min.
Preset coating wherein described in step 2 is completed using homemade slurry laying apparatus.
Wherein Sn metal powders purity described in step 3 is more than 99.99%, and process of deployment is equally using self-control slurry paving
If device is completed.
Laser melting coating system laser light source wherein described in step 4 is Nd:YAG laser, whole system is by central controller
Control operation is, it can be achieved that cladding path automatization.
Embodiment one：
Preparation method of the present embodiment for the acid bronze alloy coating of underwater laser cladding is implemented according to the following steps：
One, aluminium bronze plate surface roughening treatment is cleaned up, natural drying with acetone, is roughened using 60# sand paper
Copper alloy matrix afterwards；
Two, coating thickness is that the alloyed powder last layer of 1mm (is not designed optimization on the copper alloy matrix surface after roughening
First powder), stand 15min after alloy powder layer surface coating thickness be 0.5mm cladding protect coating, stand 10min
The copper alloy matrix with preset coating is obtained afterwards；
Three, the water that depth is 21mm is held in the sink, and the copper alloy matrix with preset coating is placed in underwater environment
In (go deep into water surface 8mm), adjustment laser melting coating pipette tips make optically focused hot spot fall pre- to apart from the water surface 50mm at, adjusting laser focal
Set at coating, cladding carried out using laser, control cladding process laser power is 3000W, cladding head gait of march for 4~
The preparation of laser cladding layer under water environment is completed in 11mm/s, cladding path using the reciprocal dual path of the reversed remelting of positive cladding；
Alloyed powder last layer wherein described in step 2 is 400 by mass ratio:1 aluminium bronze powder and alpha-cyanoacrylate
Ethyl ester binder mixes；Described cladding protection coating by weight percent by 45% CaF2,26% C, 1.5%
CuO, 11.2% TiO2,7.1% Si, 8.2% α-cyanoacrylate and the activated carbon composition of surplus.Such medicament
Ingredient is the common protection compositions of surfacing metal of Underwater Welding.
The size of the length × width × height of aluminium bronze plate is 130mm × 100mm × 14mm in the present embodiment.
For the copper alloy coating prepared by present embodiment as shown in Fig. 1 a, b and Fig. 2 a, apparent porosity is higher, melts
It is poor to cover effect.
Embodiment two：
Preparation method of the present embodiment for the acid bronze alloy coating of underwater laser cladding is implemented according to the following steps：
One, this step is identical as one step 1 of embodiment, using 60# sand paper by aluminium bronze plate surface roughening treatment, with third
Ketone cleans up, natural drying, the copper alloy matrix after being roughened；
Two, this step is similar with one step 2 of embodiment, is coated in the present invention on the copper alloy matrix surface after roughening
The alloyed powder last layer of optimization, thickness 1mm, stand 15min after alloy powder layer surface coating thickness be 0.5mm Sn gold
Belong to powder bed, the copper alloy matrix with preset coating is obtained after standing 10min.
Three, this step is similar with one step 3 of embodiment, the water that depth is 21mm is held in the sink, by copper alloy matrix
It is placed in underwater environment and (gos deep into water surface 8mm), at water surface 50mm, adjustment laser focal makes to gather adjustment laser melting coating pipette tips
Light hot spot is fallen at preset coating, carries out cladding using laser, control cladding process laser power is 3000W, cladding head row
It is 10mm/s, laser diameter 4mm and Laser Negative defocus into speed, completes the preparation of laser cladding layer under water environment；
The composite coating material that the present invention optimizes is used unlike the present embodiment step 2 and one step 2 of embodiment.
It is preset as second that Sn metal powder layers are used unlike the present embodiment step 3 and one step 3 of embodiment
Layer.
The process of the present embodiment copper alloy underwater environment laser melting coating, effectively prevents cladding layer impurity, stomata, crackle etc.
The excessive problem of defect, on the right side of the pattern of the cladding layer such as Fig. 1 c, d and Fig. 2 b shown in coating.
Since the present embodiment uses the coating material that the present invention optimizes, applied by the copper alloy that laser processing procedure obtains
The layer porosity is low, apparent to have excellent moldability.
The present embodiment uses effective composite coating material, and ingredient has stabilised bath, promotes forming, alloy strengthening
Feature, the copper alloy prepared make moderate progress in terms of structure property compared with the coating performance prepared by other preparation methods.
In summary：The present invention is directed to the consumptive material demand of wet method underwater laser on-line maintenance technology, solves underwater laser and adds
The bad problem of work copper-based metallic material coating formation quality, and provide and a kind of novel be used for wet method underwater laser on-line maintenance
Composite coating material and preparation method thereof.The present invention introduced on the basis of copper-based metallic material material system suitable Mo,
Si and B element, while Sn metal powder layers are used as the second preset protective layer.Using the material system and system in the present invention
Coating formation quality obtained by Preparation Method is good, and the coat inside porosity is low, functional, substantially increases underwater laser and exists
Line repairs the quality and efficiency of copper-based metallic material coating.
Claims (10)
1. a kind of composite coating material for repairing copper base metal for underwater laser, characterized in that by Cu, 7- of 62-64wt.%
Mo, 1-2wt.%'s of Mn, 11-12wt.% of Ni, 2-4wt.% of Fe, 4-5wt.% of Al, 3-4wt.% of 9wt.%
The CaF of the B and 2.5-3wt.% of Si, 1-1.5wt.%2Composition.
2. a kind of preparation method of composite coating that repairing copper base metal for underwater laser, characterized in that include the following steps：
Step 1：According to Ni, 2-4wt.% of Fe, 4-5wt.% of Al, 3-4wt.% of Cu, 7-9wt.% of 62-64wt.%
Mn, 11-12wt.% Mo, 1-2wt.% Si, 1-1.5wt.% B and 2.5-3wt.% CaF2Composition proportion weighs
The grain size of metal powder, the metal powder is 50 μm -70 μm, is used in combination ball mill to be uniformly mixed and obtains prepared composite coating
Material；
Step 2：It is using binder that composite coating material is preset by prepared composite coating material as the first initialization layer
In impaired copper alloy surface；
Step 3：By Sn metal powders as the second initialization layer, Sn metal powders are preset in by the first initialization layer using binder
On；
Step 4：Cladding is carried out using laser melting coating system.
3. the preparation method of the composite coating according to claim 2 for repairing copper base metal for underwater laser, feature
It is that Ball-milling Time is 2-3 hours in step 1, ratio of grinding media to material 2-3:1, drum's speed of rotation 300-500r/min.
4. the preparation method of the composite coating according to claim 2 or 3 for repairing copper base metal for underwater laser, special
Sign is that binder described in step 2 and step 3 is α-cyanoacrylate, epoxy resin or polyvinyl alcohol.
5. the preparation method of the composite coating according to claim 2 or 3 for repairing copper base metal for underwater laser, special
Sign is the purity of Sn metal powders described in step 3 > 99.95%.
6. the preparation method of the composite coating according to claim 4 for repairing copper base metal for underwater laser, feature
It is the purity of Sn metal powders described in step 3 > 99.95%.
7. the preparation method of the composite coating according to claim 2 or 3 for repairing copper base metal for underwater laser, special
Sign is that the light source of laser melting coating system laser described in step 4 is Nd:YAG laser, laser power 3000W, sweep speed are
10mm/s, laser diameter 4mm, Laser Negative defocus.
8. the preparation method of the composite coating according to claim 4 for repairing copper base metal for underwater laser, feature
It is that the light source of laser melting coating system laser described in step 4 is Nd:YAG laser, laser power 3000W, sweep speed are
10mm/s, laser diameter 4mm, Laser Negative defocus.
9. the preparation method of the composite coating according to claim 5 for repairing copper base metal for underwater laser, feature
It is that the light source of laser melting coating system laser described in step 4 is Nd:YAG laser, laser power 3000W, sweep speed are
10mm/s, laser diameter 4mm, Laser Negative defocus.
10. the preparation method of the composite coating according to claim 6 for repairing copper base metal for underwater laser, feature
It is that the light source of laser melting coating system laser described in step 4 is Nd:YAG laser, laser power 3000W, sweep speed are
10mm/s, laser diameter 4mm, Laser Negative defocus.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735840A (en) * | 2018-12-25 | 2019-05-10 | 阳江市高功率激光应用实验室有限公司 | Method of inhibiting corrosion for oceanic winds conductance pipe support |
| CN111850546A (en) * | 2020-06-28 | 2020-10-30 | 华中科技大学 | Method for repairing nickel-aluminum bronze part through laser cladding and product thereof |
| CN112122607A (en) * | 2020-10-10 | 2020-12-25 | 哈尔滨工程大学 | Additive repair material suitable for marine oscillation working condition and molten pool stability-shape regulation and control method |
| CN112430811A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Method for laser cladding of copper alloy powder on surface of copper matrix |
| CN113718247A (en) * | 2021-09-09 | 2021-11-30 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0919638A1 (en) * | 1997-11-26 | 1999-06-02 | Praxair S.T. Technology, Inc. | Laser clad pot roll sleeves and bushing for galvanizing baths |
| CN106947968A (en) * | 2017-03-24 | 2017-07-14 | 哈尔滨工程大学 | Copper-base alloy powder preset coating for underwater laser cladding and preparation method thereof |
| CN106964918A (en) * | 2017-04-17 | 2017-07-21 | 山东省科学院海洋仪器仪表研究所 | A kind of all positon underwater wet welding self-protection flux-cored wire of deepwater environment |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN108004540A (en) * | 2018-01-30 | 2018-05-08 | 哈尔滨工程大学 | Composite protection layer for the underwater wet method laser melting coating of steel alloy and preparation method thereof |
-
2018
- 2018-06-15 CN CN201810622272.3A patent/CN108707895B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0919638A1 (en) * | 1997-11-26 | 1999-06-02 | Praxair S.T. Technology, Inc. | Laser clad pot roll sleeves and bushing for galvanizing baths |
| CN106947968A (en) * | 2017-03-24 | 2017-07-14 | 哈尔滨工程大学 | Copper-base alloy powder preset coating for underwater laser cladding and preparation method thereof |
| CN106964918A (en) * | 2017-04-17 | 2017-07-21 | 山东省科学院海洋仪器仪表研究所 | A kind of all positon underwater wet welding self-protection flux-cored wire of deepwater environment |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN108004540A (en) * | 2018-01-30 | 2018-05-08 | 哈尔滨工程大学 | Composite protection layer for the underwater wet method laser melting coating of steel alloy and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| XIANGRU FENG ET AL.: "Underwater laser cladding in full wet surroundings for fabrication of nickel aluminum bronze coatings", 《SURFACE & COATINGS TECHNOLOGY》 * |
| 田素贵: "《合金设计及其熔炼》", 31 January 2017, 冶金工业出版社 * |
| 铸造技术标准手册编委会: "《铸造技术标准手册》", 31 May 2004, 中国物资出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735840A (en) * | 2018-12-25 | 2019-05-10 | 阳江市高功率激光应用实验室有限公司 | Method of inhibiting corrosion for oceanic winds conductance pipe support |
| CN111850546A (en) * | 2020-06-28 | 2020-10-30 | 华中科技大学 | Method for repairing nickel-aluminum bronze part through laser cladding and product thereof |
| CN112122607A (en) * | 2020-10-10 | 2020-12-25 | 哈尔滨工程大学 | Additive repair material suitable for marine oscillation working condition and molten pool stability-shape regulation and control method |
| CN112122607B (en) * | 2020-10-10 | 2023-05-09 | 哈尔滨工程大学 | Material adding and repairing material suitable for ocean oscillation working condition and stability-shape regulation and control method of molten pool |
| CN112430811A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Method for laser cladding of copper alloy powder on surface of copper matrix |
| CN112430811B (en) * | 2020-11-23 | 2022-02-25 | 浙江大学 | Method for laser cladding of copper alloy powder on surface of copper matrix |
| CN113718247A (en) * | 2021-09-09 | 2021-11-30 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
| CN113718247B (en) * | 2021-09-09 | 2024-02-02 | 中国人民解放军陆军装甲兵学院 | Plasma cladding repair method for copper alloy damaged part |
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