CN106735179B - A kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating - Google Patents
A kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating Download PDFInfo
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- CN106735179B CN106735179B CN201611106418.6A CN201611106418A CN106735179B CN 106735179 B CN106735179 B CN 106735179B CN 201611106418 A CN201611106418 A CN 201611106418A CN 106735179 B CN106735179 B CN 106735179B
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- 239000000835 fiber Substances 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000000576 coating method Methods 0.000 title claims abstract description 40
- 238000002844 melting Methods 0.000 title claims abstract description 19
- 230000008018 melting Effects 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 27
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 27
- 239000011258 core-shell material Substances 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 238000009954 braiding Methods 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000010963 304 stainless steel Substances 0.000 claims description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000011156 metal matrix composite Substances 0.000 abstract description 9
- 238000005728 strengthening Methods 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 25
- 238000000034 method Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009715 pressure infiltration Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/062—Fibrous particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0036—Matrix based on Al, Mg, Be or alloys thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating, preparation method is with step：The Ni layers that a layer thickness is 50~100 μm are plated in fiber surface first, form core shell structure；Then pass through three groups of dedicated fibrage templates, by the fibrage for being coated with Ni layers into parallel or cross network structure, by the pre-processed V-groove of the web woven insertion substrate surface or U-type groove, alloy powder is then spread, thickness is 1.5mm, and powder diameter is 20~40 μm；Wherein, alloy powder is Ni based alloys, Fe based alloys or Al based alloys.The advantage of the invention is that：(1) fibre strengthening is mutually uniformly distributed in metal-base composites and structure keeps complete；(2) distance is controllable between adjacent fiber；(3) fiber-reinforced metal matrix composite has excellent wear-resisting, tensile property, and hardness is up to 1000~1250HV0.2, wearability compares GCr15 and improves 3~8 times, and tensile strength is up to 900~1150Mpa, modeling extension long 20~25%.
Description
Technical field
The invention belongs to material science and field of surface engineering technique, more particularly to a kind of laser melting coating fiber reinforcement gold
Belong to the special powder of base composite coating.
Technical background
High intensity, high-modulus, low-density, high temperature resistant, thermal conductivity are low and mechanical resistant is shaken because having for fibre reinforced composites
The characteristics such as dynamic, have the prospect of being widely applied in the fields such as Aeronautics and Astronautics and wear resistant corrosion resistant.But using resin as the fibre of base
Dimension composite material temperature in use has great limitation, and epoxy resin is usually no more than 200 DEG C, and polyimides is no more than 350 DEG C,
Even if at a lower temperature, resin-based elasticity modulus and intensity is not also high, and is easily opened under big bearing strength test
It splits.
Fiber-reinforced metal matrix composite can well solve this problem, can obtain what is used under higher temperature
High specific strength and high modulus-to-weight material.Especially fiber-reinforced metal matrix composite has higher strong in its machine direction
Degree and modulus, its directional preponderance can be more played under conditions of member stress situation determines.
Common fiber-reinforced metal matrix composite preparation method includes powder metallurgic method, vacuum pressure infiltration method, squeezes
Casting etc. is pressed, powder metallurgic method is that staple fiber is made pulpous state with metal powder in advance and is mixed, and is burnt through shaping and drying hot pressing
Form type, the method is complex, is not suitable for preparing large-scale part, cost is very high；Vacuum pressure infiltration method, by reinforced phase system
It into precast body, is put into pressure-bearing casting mold, heats, vacuumizes, the negative pressure generated by vacuum soaks liquid matrix metal bath
Simultaneously solidification forming is seeped into precast body, and the method equipment is complicated, and process cycle is long, and cost is higher, more demanding suitable for preparing
Miniature parts；Extrusion casint is that reinforcing material is made prefabricated component, is put into die mould, will be after liquid metal press-in solidification with press
Molded part is obtained, extrusion casint power is big, and generally in 70-100MPa, made prefabricated component there must be very high intensity, needs simultaneously
Ensure the voidage of prefabricated component.It is domestic and international for preparing fiber-reinforced metal matrix composite technology using laser melting and coating technique
It studies less.Laser melting and coating technique is the advanced Green Remanufacturing Technique that recent decades grow up, it can be in cheap base
Body surface face prepares high-performance coating, has achieved the purpose that surface modification or reparation.But it prepares fiber in laser melting coating and increases
During strong metal based composites, fiber easily occurs ablation or combines phenomena such as bad, simultaneously because fibrous material is difficult
It is evenly distributed in coating, causes Tensile Properties of Composites, the problems such as hardness and wearability be not high.
Invention content
In view of the above problems, the present invention provides a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating.
Specific method of the present invention and step are：Plating a layer thickness in a diameter of 0.2~10 μm of fiber surface first is
50~100 μm of Ni layers form core-shell structure, have both reduced energy of the laser direct irradiation in fiber, ensure fiber itself property
Can, and the wetability of fiber and cladding powder can be increased；By dedicated fibrage template, Ni layers of fiber will be coated with
It is woven into and is pre-designed reticular structure that is parallel or intersecting, the V for making the web woven insertion substrate surface pre-processed
In type groove or U-shaped groove, while alloy powder is spread, thickness 1.5mm, powder diameter is 20~40 μm；Wherein, alloy
Powder is Ni based alloys, Fe based alloys or Al based alloys, and the chemical composition of Ni base alloy powders is：C 0.2wt%, Si
2.2wt%, B 1.0wt%, Li 3.0wt%, Fe 8.0wt%, Cr 2.8wt%, surplus Ni；The change of Fe base alloy powders
It studies and is divided into：C 0.02wt%, Si 0.7wt%, Ni 9.2wt%, Y 2.2wt%, Mo 2.1wt%, Cr 17wt%, Mn
0.2wt%, surplus Fe；The chemical composition of Al base alloy powders is：Zn 6.2wt%, Mg 2.25wt%, Cu 2.3wt%,
Zr 0.1wt%, Si 0.12wt%, Fe 0.15wt%, Al2O36.2wt%, surplus Al.The laser melting coating formed in this way
Fiber-reinforced metal matrix composite special powder, can not only ensure fiber be uniformly distributed in the coating, size between fiber
Controllably, it and can utmostly ensure the integrality of fiber itself, improve coating abrasion performance, pull resistance and extension property etc..
The invention is characterised in that：Braiding template is 304 stainless steel plates that surface is evenly distributed with group hole, size for 10 ×
10×1cm3, it is 50.2~110 μm for Ni layers of fibre diameter of plating, braiding template is divided into three groups：First group of template 1. group hole
Aperture is 65.1 μm, and pitch of holes is 80~300 μm；2. group hole aperture is 80.1 μm to second group of template, and pitch of holes is 100~300
μm；3. group hole aperture is 110.1 μm to third group template, and pitch of holes is 150~300 μm；Every group of template is by two identical braiding moulds
Plate is formed；When it is 50.2~65 μm to plate Ni layers of fibre diameter, template is selected 1.；When fibre diameter is 65.001~80 μm,
Select template 2.；When fibre diameter is 80.001~110 μm, template is selected 3..
Compared with prior art, the fibre reinforced metal-based composite coating of a kind of laser melting coating provided by the invention is special
It is had the following advantages with powder：
(1) good process compatibility：The special powder of the present invention have passed through chemical nickel plating processing in preparation process,
One layer of nickel has been wrapped up in fibrous outer surfaces, has formd core-shell structure, fiber can be effectively improved in laser cladding process
High temperature oxidation resistance, ensure itself good performance, while good metallurgical binding is formed with coating.
(2) distributing homogeneity of fibre strengthening phase：Fibre strengthening is mutually woven into advance by one group of braiding template uniformly
The reticular structure of distribution makes special powder provided by the invention, after laser melting and coating technique is handled, can obtain fibre strengthening phase
Equally distributed composite coating, and distance can be adjusted according to actual conditions between fiber.
(3) there is preferable wear-resisting, tension and extend performance：Since fibre property is protected well in composite coating
Shield, cladding layer wearability are 3~8 times of GCr15,900~1150MPa of tensile strength, extend long 20~25%.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure diagram of the present invention.
Specific embodiment
Embodiment 1
As shown in Figure 1, the present invention relates to a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating, it
Including：1.45 (depth) mm have been pre-machined in a pair of braiding template 1 and 1 ', the carbon fiber 2 by outer surface plating Ni processing and surface
The base material 3 and Ni based powders 4 of × 2.5 (width) mm V slots.Wherein, the chemical composition of Ni base alloy powders is：C0.2wt%,
Si2.2wt%, B1.0wt%, Li3.0wt%, Fe8.0wt%, Cr2.8wt%, surplus Ni.For Ni layers of carbon fiber 2 of plating
A diameter of 60 μm, select first group of template 1. as braiding template 1 and 1 ', size is 10 × 10 × 1cm3, aperture 65.1
μm, pitch of holes is 90 μm.Adjacent holes in template may be selected in braided fiber, can also dense situation be distributed according to fiber
Non-conterminous holes is selected, it is controllable so as to fulfill distance between fiber.
Ni layers of carbon fiber 2 will be plated, the V-structure of parallel shape, size 1.45 are woven by weaving template 1 and 1 '
(depth) mm × 2.5 (width) mm, is placed in 3 both sides of base material, and carbon fibre web 2 is made just to be embedded in the V slots on 3 surface of base material, while
Layer overlay Ni base alloy powders 4 in V slots, coating thickness 1.5mm, powder diameter are 20~40 μm, collectively form this hair
The bright laser melting coating fiber-reinforced metal matrix composite special powder.
Embodiment 2
As shown in Fig. 2, the present invention relates to a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating, it
Including：1.45 (depths) have been pre-machined in a pair of braiding template 1 and 1 ', the glass fibre 2 by outer surface plating Ni processing and surface
The base material 3 ' and Fe based powders 4 of mm × 3.5 (width) mm U slots.Wherein, the chemical composition of Fe base alloy powders is：
C0.02wt%, Si0.7wt%, Ni9.2wt%, Y2.2wt%, Mo2.1 wt%, Cr17wt%, Mn0.2wt%, surplus are
Fe.For Ni layers of 2 a diameter of 70 μm of glass fibre of plating, select second group of template 2. as braiding template 1 and 1 ', size is
10×10×1cm3, aperture is 80.1 μm, and pitch of holes is 150 μm.Adjacent holes in template may be selected in braided fiber,
Dense situation can be distributed according to fiber and selects non-conterminous holes, it is controllable so as to fulfill distance between fiber.
Ni layers of glass fibre 2 will be plated, the U-shaped structure of parallel shape, size 1.45 are woven by weaving template 1 and 1 '
(depth) mm × 3.5 (width) mm, is placed in 3 ' both sides of base material, glass fiber mesh 2 is made just to be embedded in the U slots on 3 ' surface of base material, together
When in U slots layer overlay Fe base alloy powders 4, coating thickness 1.5mm, powder diameter be 20~40 μm, collectively form
Laser melting coating fiber-reinforced metal matrix composite special powder of the present invention.
Embodiment 3
As shown in Figure 1, the present invention relates to a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating, it
Including：1.45 (depths) have been pre-machined in a pair of braiding template 1 and 1 ', the quartz fibre 2 by outer surface plating Ni processing and surface
The base material 3 and Al based powders 4 of mm × 2.8 (width) mm V slots.Wherein, the chemical composition of Al base alloy powders is：Zn6.2wt%,
Mg2.25wt%, Cu2.3wt%, Zr0.1wt%, Si0.12wt%, Fe0.15wt%, Al2O36.2wt%, surplus Al.Needle
To plate Ni layer 2 a diameter of 110 μm of quartz fibre, select third group template 3. as weave template 1 and 1 ', size be 10 ×
10×1cm3, aperture is 110.1 μm, and pitch of holes is 300 μm.Adjacent holes in template may be selected in braided fiber, also may be used
Non-conterminous holes is selected to be distributed dense situation according to fiber, it is controllable so as to fulfill distance between fiber.
Ni layers of quartz fibre 2 will be plated, the V-structure of parallel shape, size 1.45 are woven by weaving template 1 and 1 '
(depth) mm × 2.8 (width) mm, is placed in 3 both sides of base material, quartz fibre net 2 is made just to be embedded in the V slots on 3 surface of base material, simultaneously
The layer overlay Al base alloy powders 4 in V slots, coating thickness 1.5mm, powder diameter are 20~40 μm, collectively form this
The invention laser melting coating fiber-reinforced metal matrix composite special powder.
Claims (2)
1. a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating, preparation method are with step：
(1) fiber surface first at a diameter of 0.2~10 μm plates the Ni layers that a layer thickness is 50~100 μm, forms core-shell
Structure had both reduced energy of the laser direct irradiation in fiber, ensured fiber self performance, and can increase fiber and cladding powder
Wetability；
(2) 304 stainless steel plates in group hole are evenly distributed with by the use of surface as fibrage template, the fiber for being coated with Ni layers is compiled
It is made into and is pre-designed reticular structure that is parallel or intersecting, the V-type for making the web woven insertion substrate surface pre-processed
In groove or U-shaped groove, alloy powder, thickness 1.5mm are then spread, powder diameter is 20~40 μm；Wherein, alloy powder
For Ni based alloys, Fe based alloys or Al based alloys, the chemical composition of Ni base alloy powders is：C 0.2wt%, Si 2.2wt%, B
1.0wt%, Li 3.0wt%, Fe 8.0wt%, Cr 2.8wt%, surplus Ni；The chemical composition of Fe base alloy powders is：C
0.02wt%, Si 0.7wt%, Ni 9.2wt%, Y 2.2wt%, Mo 2.1wt%, Cr 17wt%, Mn 0.2wt%, surplus
For Fe；The chemical composition of Al base alloy powders is：Zn 6.2wt%, Mg 2.25wt%, Cu 2.3wt%, Zr 0.1wt%, Si
0.12wt%, Fe 0.15wt%, Al2O36.2wt%, surplus Al.
2. a kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating according to claim 1, feature
When being to carry out the step (2)：Braiding template size is 10 × 10 × 1cm3；For Ni layer fibre diameter of plating be 50.2~
110 μm, braiding template is divided into three groups：1. group hole aperture is 65.1 μm to first group of template, and pitch of holes is 80~300 μm；Second
2. group hole aperture is 80.1 μm to group template, and pitch of holes is 100~300 μm；3. group hole aperture is 110.1 μm to third group template, hole
Spacing is 150~300 μm；Every group of template is made of two identical braiding templates；When Ni layers of fibre diameter of plating are 50.2~65 μm
When, select template 1.；When fibre diameter is 65.001~80 μm, template is selected 2.；When fibre diameter is 80.001~110 μm
When, select template 3.；Wherein, fiber is carbon fiber, quartz fibre or glass fibre.
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| CN201611106418.6A CN106735179B (en) | 2016-12-05 | 2016-12-05 | A kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating |
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| CN201611106418.6A CN106735179B (en) | 2016-12-05 | 2016-12-05 | A kind of special powder of the fibre reinforced metal-based composite coating of laser melting coating |
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| CN106735179B true CN106735179B (en) | 2018-07-03 |
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| CN105463450A (en) * | 2015-12-01 | 2016-04-06 | 仇颖超 | Method for manufacturing copper-based nano ceramic fiber composite material through laser cladding |
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| US7362939B2 (en) * | 2001-12-13 | 2008-04-22 | The Furukawa Electric Co., Ltd. | Optical fiber for long period grating, long period grating component and manufacturing method of the same |
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| CN105463450A (en) * | 2015-12-01 | 2016-04-06 | 仇颖超 | Method for manufacturing copper-based nano ceramic fiber composite material through laser cladding |
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| Microstructure and interface interaction in laser induction hybrid cladding of Ni-based coating;Yongjun Huang et al.;《Applied Surface Science》;20081101;第3940-3945页 * |
| 连续纤维增强金属基复合材料研究进展及其激光熔覆;石川等;《激光与光电子学进展》;20170307;第1-11页 * |
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