CN116648528A - Modularized metal matrix composite material and manufacturing method thereof - Google Patents

Modularized metal matrix composite material and manufacturing method thereof Download PDF

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Publication number
CN116648528A
CN116648528A CN202280008059.8A CN202280008059A CN116648528A CN 116648528 A CN116648528 A CN 116648528A CN 202280008059 A CN202280008059 A CN 202280008059A CN 116648528 A CN116648528 A CN 116648528A
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metal matrix
matrix composite
module
functionalized
explosive
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Inventor
宋克兴
李韶林
国秀花
王旭
冯江
周延军
皇涛
刘海涛
程楚
张朝民
彭晓文
张彦敏
张学宾
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Henan University of Science and Technology
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Henan University of Science and Technology
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

A modular metal matrix composite and a method of making the same. The modularized metal-based composite material is formed by compounding a functional module and a matrix material through explosion; the number of the functional modules is 3-10, and the composition of the functional modules changes in a gradient manner in the working direction of the modularized metal matrix composite. The modularized metal-based composite material has special functions by designing the functional modules and combining the functional modules by a certain means. The modularized metal-based composite material prepared by the invention can realize arbitrary design of different functional characteristics of the core and the surface layer, and can meet different service conditions.

Description

Modularized metal matrix composite material and manufacturing method thereof Technical Field
The invention belongs to the technical field of high-performance metal matrix composite manufacturing, and particularly relates to a modularized metal matrix composite and a manufacturing method thereof.
Background
The metal-based composite material is a composite material which is formed by taking metal and alloy thereof as a matrix and manually combining one or more metal or nonmetal reinforced phases. Most of the reinforcing materials are inorganic nonmetallic materials such as ceramics, carbon, graphite, boron and the like, and metal wires can also be used. The composite material has the characteristics of higher transverse and shearing strength in mechanical aspect, better comprehensive mechanical properties such as toughness, fatigue and the like, and also has the advantages of heat conduction, electric conduction, wear resistance, small thermal expansion coefficient, good damping performance, no moisture absorption, no aging, no pollution and the like.
The typical service condition of the metal matrix composite is the friction and wear service field of the material, when the metal matrix composite is used as a current carrying friction pair and widely applied to the fields of rail transit bow net systems, electromagnetic rail gun armatures/guide rail systems, microelectronics and electrical appliance control systems, aerospace space conductive rotary joint systems, high-voltage switch dynamic/static contacts and the like, the current carrying friction pair always faces the conditions of multiple fields, multiple environments, multiple atmospheres and the like, and the service condition is characterized in that good friction contact and electrical contact are required to be simultaneously maintained under the severe conditions of high temperature, high voltage, strong current and the like, and the severe service environment requires that the current carrying friction pair material has multiple performances such as good high temperature mechanics, electric erosion resistance, wear resistance and the like on the basis of ensuring the performances such as traditional room temperature mechanics and conduction.
When the metal matrix composite is used as a wear-resistant part, the wear-resistant part is in great demand in the fields of mining machinery, coal mining and transportation, engineering machinery, agricultural machinery, building materials, electric machinery, railway transportation and the like. The loss caused by friction and abrasion in the industrially developed countries is as high as 5% -7% of GDP, and typical wear-resistant materials such as high manganese steel, medium/low alloy wear-resistant steel, chromium molybdenum silicon manganese steel and other traditional wear-resistant steels have been studied for many years, so that the wear-resistant performance of the wear-resistant materials is close to the limit of the traditional materials, and how to further improve the wear-resistant performance of the materials has great significance for national economy.
The material surface treatment is a process method for artificially forming a surface layer on the surface of a substrate material, wherein the surface layer has different mechanical, physical and chemical properties from those of the substrate. The purpose of the surface treatment is to meet the corrosion resistance, wear resistance, decoration or other special functional requirements of the product. Common surface treatment methods for metallic materials include mechanical grinding, surface heat treatment, surface spraying, chemical/physical vapor deposition, electroplating, electroless plating, and the like.
However, most of the surface treatment modes of the process are molecular scale layer-by-layer deposition, and the prepared surface coating has limited thickness. In addition, the coatings produced are generally not large in area due to equipment and site constraints. With the complexity and severity of the service environment of the metal materials, the above method is gradually difficult to meet the coating requirements.
For example, the current-carrying friction pair is widely applied to the fields of rail transit bow net systems, electromagnetic track gun armatures/guide rail systems, microelectronic and electric control systems, aerospace space conductive rotary joint systems, high-voltage switch dynamic/static contacts and the like, and the current-carrying friction pair always faces multiple fields, multiple environments, multiple atmospheres and the like.
The ideal current-carrying friction pair material has good electric conduction and heat conduction properties in the material, and the surface layer has good electric erosion resistance, friction resistance and other properties.
Conventional surface treatment techniques include techniques such as cold/hot spraying, plasma spraying, vapor deposition, electroless plating, etc., the principle being mostly molecular scale layer-by-layer deposition, the thickness of the surface coating produced is limited. In addition, due to the limitations of technology, equipment, sites and the like, the prepared coating is generally small in area and cannot meet the severe working conditions of rails and the like and the large-scale service requirements.
Disclosure of Invention
The invention aims to provide a modularized metal-based composite material and a manufacturing method thereof, wherein the functionalized modules of the material are designed, and then the functionalized modules are combined by a certain means to form the metal-based composite material with special functions, so that the problem that a friction material in the prior art cannot have multiple performances such as good high-temperature mechanics, electric erosion resistance, wear resistance and the like at the same time is solved.
In order to achieve the above object, the present invention provides the following technical solutions:
a modularized metal-based composite material, which is formed by compounding a functionalized module and a matrix material through explosion; the number of the functional modules is 3-10, and the composition of the functional modules changes in a gradient manner in the working direction of the modularized metal matrix composite.
The invention also provides a manufacturing method of the modularized metal matrix composite, which comprises the following steps:
(1) Preparing a functional module;
(2) And compounding the functionalized module with the matrix material through explosive welding.
The beneficial effects are that:
The invention provides a modularized metal matrix composite and a manufacturing method thereof. The modularized metal-based composite material prepared by the invention can realize arbitrary design of different functional characteristics of the core and the surface layer, and can meet different service conditions.
drawings
FIG. 1 is a top view of a modular metal matrix composite;
FIG. 2 is a schematic diagram of a module assembly;
FIG. 3 is a schematic illustration of a current-carrying frictional wear test;
wherein: 1-a functionalization module; 2-a matrix material; 3-grinding the material.
Detailed Description
The surface treatment technology in the prior art is to prepare a layer of coating on the surface of a base material, and the coating plays a role in strengthening or special functions. Conventional surface treatment techniques include techniques such as cold/hot spraying, plasma spraying, vapor deposition, electroless plating, etc., the principle being mostly molecular scale layer-by-layer deposition, the thickness of the surface coating produced is limited. In addition, due to the limitations of technology, equipment, sites and the like, the prepared coating is generally small in area and cannot meet the severe working conditions of rails and the like and the large-scale service requirements.
The invention adopts the scheme that the explosion forming is adopted, the energy generated by explosive detonation or high-speed impact is utilized to act on a workpiece in the form of shock waves, so that the processing method for compacting and sintering powder into a compact body at high temperature and high pressure in a transient state has the advantages of short time, high pressure, avoidance of coarsening of material grains caused by high-temperature heating, and the like, and meanwhile, the size of a sample prepared by the explosion forming can be infinitely large and the components can be adjusted arbitrarily because the sample is not limited by equipment.
The core idea of the invention is to design and prepare a plurality of functional modules 1 with special functions according to specific service performance requirements, and then compound one or more functional modules on the surface of a base material 2 through a certain preparation means (typical means such as explosion welding), as shown in fig. 1.
As one embodiment of the invention, the modularized metal matrix composite material is formed by explosion compounding of a functional module and a matrix material; the number of the functional modules is 3-10 (for example, 3, 4, 5, 6, 7, 8, 9 and 10) and the composition of the functional modules changes in a gradient manner in the working direction of the modularized metal matrix composite. Preferably, the number of the functional modules is 3-6.
As an embodiment of the invention, the functionalized module is made of a wear resistant material. Preferably, the functionalized module is made of a current carrying friction material; more preferably, the current carrying friction material is comprised of a heat resistant material, a wear resistant and/or corrosion resistant material. And preparing a certain proportion of mixed powder (one or more of Cu, W, cr, ceramic particles, carbon fibers, carbon nanotubes and graphene) into a functional module according to service performance requirements, and then connecting the functional module with a matrix material through an explosion welding process to compound the functional module. In the present invention, the particle size of the mixed powder is not particularly limited as long as the bulk material can be formed by powder metallurgy or other processes. For example, powder particle sizes of 10nm to 500 μm, which are commonly used in the metallurgical field, may be satisfactory.
The preparation method comprises two main steps of modular design and module assembly, wherein the block-shaped modules are firstly manufactured, then explosive cladding is carried out, and the explosive cladding only connects the modules with the base plate. The preparation of the modularized metal-based composite material of the invention is specifically as follows:
and (1) modular design:
taking the current-carrying friction service environment as an example, the ideal current-carrying friction material has good electric conduction and heat conduction properties (the typical material is Cu-Cr alloy) in the material, and the surface greatly improves the electric erosion resistance and the wear resistance (the typical material is Cu-W alloy) on the basis of sacrificing a part of conduction properties. Therefore, a Cu-W alloy functional module with a certain proportion can be designed, and the proportion of Cu-W can be adjusted according to the service environment requirement. In Cu-W alloy, the conductivity gradually decreases and the friction resistance and the electric corrosion resistance gradually increase with the increase of the W proportion. Under the condition of lower current, the electric erosion degree is lower, 50Cu-50W (50 is the mass fraction, namely 50wt percent, and the same applies below) can be adopted, under the condition of higher current, the electric erosion is aggravated, and 20Cu-80W alloy with higher W content is adopted, so that damage is effectively resisted. The Cu-W alloy functionalization module can be prepared by powder metallurgy or infiltration and other processes.
The module can be designed at will according to service requirements, for example, because carbon materials (carbon fibers, carbon nanotubes and the like) have good self-lubricating characteristics, and the carbon materials can be added into the module as a lubricating phase, so that the friction and wear performance is further improved. The following is a specific description of the gradient module.
The gradient in the invention is mainly that the composition of the composite material shows gradient change in the horizontal direction. Specific: horizontal gradients refer to the gradient change of the composition of the different modules of the material surface, i.e. the composition of the material in a direction parallel to the plate (the composition of a-B-C changes gradually in fig. 1). Typical examples are: the friction is assumed to be carried out from A to C, and A is in the initial friction stage, belongs to the running-in stage, and needs to overcome the larger friction, so that the component A is 30% of carbon fiber and 70% of copper powder, the friction gradually enters the smooth stage along with the friction, the friction force gradually decreases, and the components B and C are 20% of carbon fiber and 80% of copper powder, 10% of carbon fiber and 90% of copper powder respectively.
The gradient change of the horizontal gradient is selected according to the requirements of actual service on materials and the difficulty degree of combined preparation, and is not limited to the above-mentioned exemplified forms. It will be appreciated that excessive differences in component content between adjacent modules can affect the service performance of the material, and that excessive differences in component content between adjacent modules can increase the difficulty in preparing the material.
Similarly, the wear resistant steel surface may also be prepared with similar functionalized modules.
In the invention, the components of the module can be selected according to the service requirementThe module is intended to be understood as a copper-based composite material with copper or copper alloy as matrix and particles, fibres, etc. as reinforcing phase. The modules (copper-based composites) currently being manufactured by this team include a matrix of copper or a Cu-Cr alloy with a reinforcing phase of ceramic particles (including but not limited to Al 2 O 3 、TiB 2 MgO, siC, etc.), carbon fiber, carbon nanotube, silicon carbide whisker, etc.
In one embodiment of the invention, the functional module is prepared by adopting a powder metallurgy process, specifically, the functional module is prepared by sintering mixed powder after compression molding, the compression pressure is 100-500 MPa (for example, 100MPa, 150MPa, 200MPa, 250MPa, 300MPa, 350MPa, 400MPa, 450MPa and 500 MPa), and the sintering temperature is 750-950 ℃ (for example, 750 ℃, 790 ℃, 800 ℃, 820 ℃, 8400 ℃, 850 ℃, 870 ℃, 900 ℃, 930 ℃ and 950 ℃).
It will be appreciated that the composite material prepared by using copper or copper alloy as a matrix is mainly used as an electric and heat conducting material. By the method provided by the invention, composite materials with other functions, such as corrosion-resistant materials, wear-resistant materials and the like, can be obtained.
(II) Module Assembly
After the functional module is prepared by the processes of powder metallurgy, liquid phase infiltration and the like, the module is compounded on the surface of the matrix material by an explosion compounding process to form a metal matrix composite material with the functional module on the surface layer, namely a modularized metal matrix composite material.
The base material is selected according to actual use conditions: (1) In the case of electrical and thermal conductivity, the matrix material is pure copper or copper alloy (including but not limited to copper chromium alloy, copper nickel silicon, copper iron, copper magnesium, copper silver, etc.); (2) In the case of structural or wear resistant members, the matrix material may be steel (including, but not limited to, high manganese steel, medium and low alloy wear resistant steel, chromium molybdenum silicomanganese steel, and the like).
The modular concept presented in the present invention is not limited to a particular application or particular substrate, but rather the concept can be applied to a variety of materials. The thickness of the base material may be optionally adjusted according to the use condition, and is not particularly limited, but in combination with the process requirement of explosion welding, the base material is too thin, which may be unfavorable for explosion forming (as shown in the following document), but may not be limited as the thickness of the metal base.
In one embodiment of the invention, the explosion welding is: sequentially laying the functionalized modules on the surface of a matrix material, covering a cover plate above the functionalized modules, laying explosive, and then detonating the explosive; preferably, the explosive is ammonium nitrate explosive with density of 0.8-1.0 g/cm 3 (e.g., 0.8 g/cm) 3 、0.82g/cm 3 、0.84g/cm 3 、0.86g/cm 3 、0.86g/cm 3 、0.9g/cm 3 、0.92g/cm 3 、0.94g/cm 3 、0.96g/cm 3 、0.98g/cm 3 、1.0g/cm 3 ). Explosion speed of explosion welding is 3.2-3.4X10 3 m/s (e.g. 3.2X10) 3 m/s、3.22×10 3 m/s、3.25×10 3 m/s、3.3×10 3 m/s、3.32×10 3 m/s、3.35×10 3 m/s、3.38×10 3 m/s、3.4×10 3 m/s). The explosive thickness of the explosive welding is 10-30 mm (for example, 10mm, 15mm, 20mm, 25mm and 30 mm).
Before compounding, the requirements on the matrix material are: the whole surface is smooth, and the plane obtained by the conventional machining means can be used without special roughness requirement or with lower requirement. If impurities, oxide scale or the like are present on the surface, the surface should be removed so as not to affect the welding quality.
The modular metal matrix composite of the present invention is described in further detail below in connection with specific examples.
Example 1
The embodiment provides a carbon fiber/copper-based horizontal gradient metal matrix composite, which is prepared by the following steps:
1) Preparation of functional modules
Copper powder (200 meshes) and carbon fiber (300 meshes) are used as raw materials and are uniformly mixed to obtain mixed powder. The volume ratio of the mixed powder is 3:7, 2:8 and 1:9 of the carbon fiber-copper powder respectively. Respectively referred to as mixed powder A1, mixed powder B1 and mixed powder C1.
The mixed powders are pressed into blanks (the pressing pressure is 400 MPa) by adopting mould pressing, and then sintered into sintered blanks (the sintering temperature is about 900 ℃), and finally the functional modules A1, B1 and C1 are obtained. Namely, the functional module A1, the functional module B1 and the functional module C1 are respectively carbon fiber reinforced copper-based composite materials with the volume fractions of 30%, 20% and 10% of carbon fibers.
2) Module assembling composite
Three functionalization modules 1, specifically a functionalization module A1, a functionalization module B1 and a functionalization module C1, are sequentially laid on the surface of the base material 2 (cu—cr alloy sheet), as shown in fig. 2.
After laying, covering a layer of copper plate with the thickness of 5mm above all the functional modules as a cover plate for laying explosive, and removing the copper plate in a machining mode after explosion. The explosive is 2# rock ammonium nitrate, and the density of the explosive is 0.80g/cm 3 Explosion velocity of 3.2×10 3 m/s, and the medicine thickness is 20mm. The cover plate further compacts and sinters the module and the base plate into a compact body under the action of the high temperature and high pressure of the explosion impact force. And finally, removing the cover plate by adopting a planer type milling machine to expose the functional module. The thickness of the cover plate was found to have little effect on the test during the experiment, so it was generally not necessary to control the thickness of the cover plate.
The modular metal matrix composite obtained above was tested by a current-carrying frictional wear test, in which the abrasive material 3 was an aluminum alloy, sliding friction was applied from the functional module A1 to the functional module C1 (shown in fig. 3, in which the direction indicated by the arrow is the direction of movement, i.e., the working direction of the modular metal matrix composite). The functional module A1 is in the friction initial stage, belongs to the running-in stage, and the friction that needs to be overcome is great, so the carbon content in the functional module A1 is higher, provides better lubrication effect, along with the friction progress, gradually gets into steady stage, and the frictional force gradually decreases, so the carbon content in the functional module B1, the functional module C1 gradually decreases, and the copper content promotes, increases conductive property. The specific process is as follows: adopts self-made reciprocating modeThe pin-disc rotating type friction and wear test machine material was subjected to a pin-disc rotating type friction and wear test. The pin test pieces were study materials with dimensions phi 6.3mm by 15mm. The friction pair material is aluminum alloy (namely a counter-grinding material) with the dimension phi of 50mm multiplied by 8mm. The linear velocity of the friction and wear test is 20m/s, and the load is 30N. Each sample was subjected to 3 replicates and averaged. The test results show that the friction coefficient of the metal matrix composite material prepared in the embodiment is about 0.20 under the current experimental condition, and the abrasion rate is 1.48 multiplied by 10 -6 mg/m, and the current-carrying efficiency is more than or equal to 80 percent.
Example 2
The modular metal matrix composite of this embodiment differs from embodiment 1 in that: the number of the functional modules is 4, namely functional module A2, functional module B2, functional module C2 and functional module D2, and the content of carbon fibers in the 4 functional modules is 3:7, 2:8, 1:9 and 0:10 respectively.
And adopting the explosion compounding process in the embodiment 1 to compound the 4 functional modules with the Cu-Cr alloy plate serving as the matrix material to obtain the modularized metal matrix composite material.
The test performed by the method of example 1 shows that the modular metal matrix composite of this example has a coefficient of friction of about 0.21 and a wear rate of 1.52X10 under the current experimental conditions -6 mg/m, and the current-carrying efficiency is more than or equal to 78 percent.
Example 3
The modular metal matrix composite of this embodiment differs from embodiment 1 in that: the parameters of the explosive compounding process are different, and specifically, the density of the explosive is 0.90g/cm 3 。
The test performed by the method of example 1 shows that the modular metal matrix composite of this example has a coefficient of friction of about 0.20 and a wear rate of 1.49×10 under the current experimental conditions -6 mg/m, and the current-carrying efficiency is more than or equal to 80 percent.
Example 4
The modular metal matrix composite of this embodiment differs from embodiment 1 in that: the parameters of the explosion composite process are different, specifically, the explosion speed is 3.4 multiplied by 10 3 m/s。
The test performed by the method of example 1 shows that the modular metal matrix composite of this example has a coefficient of friction of about 0.21 and a wear rate of 1.47×10 under the current experimental conditions -6 mg/m, and the current-carrying efficiency is more than or equal to 81 percent.
Example 5
The modular metal matrix composite of this embodiment differs from embodiment 1 in that: the parameters of the explosive cladding process are different, and the specific medicine thickness is 25mm.
The test performed by the method of example 1 shows that the modular metal matrix composite of this example has a coefficient of friction of about 0.19 and a wear rate of 1.48×10 under the current experimental conditions -6 mg/m, and the current-carrying efficiency is more than or equal to 80 percent.
Comparative example 1
As a control, the current-carrying frictional wear test was conducted by directly using the non-explosive composite Cu-Cr alloy sheet of example 1, and the friction coefficient was about 0.41 and the wear rate was 3.69X 10 under the same experimental conditions as in example 1 -6 mg/m, current carrying efficiency is about 65%.
From the above examples and comparative examples, it can be seen that: through carrying out modularized design regulation and control on the surface of the Cu-Cr alloy plate, the current-carrying friction performance is obviously improved, the friction coefficient is reduced by about 50%, the wear rate is reduced by about 60% and the current-carrying efficiency is improved by about 15% under the same experimental conditions.

Claims (10)

  1. The modularized metal-based composite material is characterized by being formed by compounding a functionalized module and a matrix material through explosion; the number of the functional modules is 3-10, and the composition of the functional modules changes in a gradient manner in the working direction of the modularized metal matrix composite.
  2. The modular metal matrix composite of claim 1, wherein the number of functionalized modules is 3-6.
  3. The modular metal matrix composite of claim 1, wherein the functionalized module is made of a wear resistant material.
  4. A modular metal matrix composite according to claim 3, wherein the functionalized module is made of a current carrying friction material; the current-carrying friction material is composed of a heat-resistant material, a wear-resistant material and/or a corrosion-resistant material.
  5. A method of manufacturing a modular metal matrix composite as claimed in any one of claims 1 to 4, wherein the method of preparation comprises the steps of:
    (1) Preparing a functional module;
    (2) And compounding the functionalized module with the matrix material through explosive welding.
  6. The method of claim 5, wherein in step (1), the functionalized module is prepared by powder metallurgy or infiltration process.
  7. The method according to claim 5, wherein in the step (1), the functionalized module is prepared by a powder metallurgy process, specifically, is prepared by sintering after the mixed powder is pressed and molded, the pressing pressure is 100-500 MPa, and the sintering temperature is 750-950 ℃.
  8. The method of claim 5, wherein in step (2), the explosion welding is: sequentially laying the functionalized modules on the surface of the matrix material, covering a cover plate above the functionalized modules, laying explosive, and then detonating the explosive;
    the explosive is ammonium nitrate explosive, and the density of the explosive is 0.8-1.0 g/cm 3 。
  9. According to claim 8The method for producing the modularized metal matrix composite is characterized in that the explosion speed of the explosion welding is 3.2-3.4X10 3 m/s。
  10. The method of claim 8, wherein the explosive welding has a thickness of 10-30 mm.
CN202280008059.8A 2022-05-26 2022-05-26 Modularized metal matrix composite material and manufacturing method thereof Pending CN116648528A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9027802D0 (en) * 1990-12-21 1991-02-13 Ici Plc Method of explosively bonding composite metal structures
CN101607344B (en) * 2009-07-30 2012-06-13 淮北钛钴新金属有限公司 Compound welding method of simultaneously explosive welding of multiple local parts in metal explosive welding
CN105397266B (en) * 2015-12-23 2017-10-27 南京工程学院 A kind of surface drastic mechanical deformation pre-processes the explosion welding method of rare precious metal composite plate
CN108247047B (en) * 2018-04-11 2024-03-29 中国科学技术大学 Full-constraint weak sparse metal powder explosion compaction and powder plate explosion compounding method
JP2022548068A (en) * 2019-09-13 2022-11-16 オハイオ・ステイト・イノベーション・ファウンデーション Method for shaped material alloy welding and devices prepared therefrom
CN113652682A (en) * 2021-08-20 2021-11-16 河南科技大学 Surface treatment method of metal plate

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