CN106947905B - A kind of electric motor fan reparation laser cladding of material and preparation method thereof - Google Patents
A kind of electric motor fan reparation laser cladding of material and preparation method thereof Download PDFInfo
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- CN106947905B CN106947905B CN201710271634.4A CN201710271634A CN106947905B CN 106947905 B CN106947905 B CN 106947905B CN 201710271634 A CN201710271634 A CN 201710271634A CN 106947905 B CN106947905 B CN 106947905B
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- motor fan
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- 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
- C22C32/0005—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 at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
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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
Abstract
The invention discloses a kind of electric motor fan reparation laser cladding of material, the cladding material is alloy powder, in parts by weight, it is made of 70~80 parts of Cu, 25~30 parts of nickel packet boron carbide, 3~8 parts of lanthana, 3~8 parts of holimium oxide, 5~8 parts of bait of oxidation, 15~20 parts of Cr, 15~20 parts of Si, 13~18 parts of Mn, 15~22 parts of Co and 20~25 parts of aluminium oxide.Also disclose preparation method.A kind of electric motor fan reparation laser cladding of material provided by the invention, the cladding material form repair layer after laser melting coating, and the repair layer hardness is high, have excellent wear-resisting property.The defects of sample tissue after laser melting coating is fine and close, flawless stomata, cladding material are completely combined with matrix.The repair layer that cladding material obtains through the invention also has good antioxygenic property.Preparation method step of the invention is simple, and easy to operate, condition is easy to control.
Description
Technical field
The present invention relates to a kind of electric motor fan reparation laser cladding of material and preparation method thereof, particularly belong to laser melting coating
Technical field.
Background technique
Laser melting and coating technique is that an emerging part is machined in surface modifications technology, can significantly improve the resistance to of metal surface
The performances such as mill, anti-corrosion, heat-resisting, anti-oxidant.Compared with the conventional surfaces processing technique such as built-up welding, plating, it has many advantages, such as: such as
Suitable material system is extensively, cladding layer dilution rate is controllable, cladding layer and matrix is metallurgical bonding, matrix thermal deformation is small, technique is easy
In realization automation etc..From the point of view of the applicable cases of present laser cladding, which are mainly applied to two aspects: one, to material
Surface is modified, such as gas turbine blade, roll, gear etc.；Two, to the surface reconditioning of product, such as rotor, mold etc..Related money
Material shows that the strength of parts after reparation can reach 90% or more of former intensity, 1/5 of rehabilitation expense less than replacement price, more
It is important that shortening maintenance time, solves the rotation that large enterprise's continuous reliability service of great complete set of equipments must solve
Component rapid rush-repair problem.Current widely used laser cladding of material mainly has: Ni-based, cobalt-based, ferrous alloy, tungsten carbide are multiple
Condensation material.In metal powder, the research and application of self-fluxing alloyed powder are most.However existing laser cladding of material is also deposited
In wear-resisting property deficiency, the problems such as antioxygenic property is weaker, it is limited in the application of certain occasions.Therefore, a kind of energy is studied
The laser cladding of material enough to solve the above problems, it appears particularly necessary.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of electric motor fan reparation laser melting coating materials
Material and preparation method thereof, the cladding material have excellent wearability and inoxidizability；The preparation method is easy to operate.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 70~80 parts of Cu, 25~30 parts of nickel packet boron carbide, 3~8 parts of lanthana, 3~8 parts of holimium oxide, oxidation 5~8 parts of bait, Cr 15
~20 parts, 15~20 parts of Si, 13~18 parts of Mn, 15~22 parts of Co and 20~25 parts of aluminium oxide compositions.
Further, aforementioned motor fan reparation laser cladding of material, in parts by weight, by 73~80 parts of Cu,
25~28 parts of nickel packet boron carbide, 5~8 parts of lanthana, 5~8 parts of holimium oxide, 5~8 parts of bait of oxidation, 15~18 parts of Cr, Si 17~
20 parts, 13~17 parts of Mn, 18~22 parts of Co and 20~25 parts of aluminium oxide compositions.
Preferably, electric motor fan reparation laser cladding of material, in parts by weight, by 76 parts of Cu, nickel packet boron carbide
27 parts, 6 parts of lanthana, 7 parts of holimium oxide, 7 parts of bait of oxidation, 16 parts of Cr, 19 parts of Si, 15 parts of Mn, 20 parts of Co and aluminium oxide 22
Part composition.
In aforementioned motor fan reparation laser cladding of material, each component is the powder of purity >=99%, partial size 200
~500 mesh.
The preparation method of aforementioned motor fan reparation laser cladding of material, comprising the following steps: each component is weighed according to quantity,
First by Cu powder, Cr powder, Si powder, Mn powder, Co powder and aluminium oxide, mixed-powder is obtained after ground and mixed, it is spare；The carbonization of nickel packet is added
Boron carries out first time ball milling；Lanthana, holimium oxide and oxidation bait is then added, carries out second of ball milling, obtains uniformly mixed
Cladding material powder, at 150 DEG C vacuum drying treatment to get.
In the preparation method of aforementioned motor fan reparation laser cladding of material, when grinding a length of 4~6h.
In the preparation method of aforementioned motor fan reparation laser cladding of material, first time ball milling be ratio of grinding media to material be 30~
Under conditions of 50 ︰ 1~2,3~8h of ball milling, revolving speed is 120~140r/min.
In the preparation method of aforementioned motor fan reparation laser cladding of material, second of ball milling is in 5~25 ︰ of ratio of grinding media to material
Under conditions of 3~4,2~5h of ball milling, revolving speed is 100~120r/min.
The invention has the beneficial effects that: a kind of electric motor fan reparation laser cladding of material provided by the invention, this is molten
It covers material and forms repair layer after laser melting coating, the repair layer hardness is high, has excellent wear-resisting property.It is adopted after laser melting coating
It is detected with precursor in far field instrument, repair layer does not find crackle.Sample tissue densification after laser melting coating, flawless gas
The defects of hole, cladding material are completely combined with matrix.The repair layer that cladding material obtains through the invention also has good anti-
Oxidation susceptibility can prolong the service life, and save production cost.Preparation method step of the invention is simple, and easy to operate, condition is easy
Control.
Specific embodiment
The present invention will be further described below in conjunction with specific embodiments.
Embodiment 1
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 70 parts of Cu, 25 parts of nickel packet boron carbide, 3 parts of lanthana, 3 parts of holimium oxide, oxidation 5 parts of bait, 15 parts of Cr, 15 parts of Si, Mn 13
Part, 15 parts of Co and 20 parts of aluminium oxide compositions.
Embodiment 2
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 80 parts of Cu, 30 parts of nickel packet boron carbide, 8 parts of lanthana, 8 parts of holimium oxide, oxidation 8 parts of bait, 20 parts of Cr, 20 parts of Si, Mn 18
Part, 22 parts of Co and 25 parts of aluminium oxide compositions.Each component is the powder of purity >=99%, and partial size is 200 mesh.
Embodiment 3
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 76 parts of Cu, 27 parts of nickel packet boron carbide, 6 parts of lanthana, 7 parts of holimium oxide, oxidation 7 parts of bait, 16 parts of Cr, 19 parts of Si, Mn 15
Part, 20 parts of Co and 22 parts of aluminium oxide compositions.Each component is the powder of purity >=99%, and partial size is 350 mesh.
Embodiment 4
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 73 parts of Cu, 28 parts of nickel packet boron carbide, 5 parts of lanthana, 5 parts of holimium oxide, oxidation 6 parts of bait, 18 parts of Cr, 17 parts of Si, Mn 17
Part, 18 parts of Co and 23 parts of aluminium oxide compositions.Each component is the powder of purity >=99%, and partial size is 500 mesh.
Embodiment 5
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 78 parts of Cu, 26 parts of nickel packet boron carbide, 7 parts of lanthana, 4 parts of holimium oxide, oxidation 7 parts of bait, 17 parts of Cr, 18 parts of Si, Mn 14
Part, 16 parts of Co and 21 parts of aluminium oxide compositions.
Embodiment 6
A kind of electric motor fan reparation laser cladding of material, the cladding material are alloy powder, in parts by weight,
By 75 parts of Cu, 29 parts of nickel packet boron carbide, 4 parts of lanthana, 6 parts of holimium oxide, oxidation 6 parts of bait, 19 parts of Cr, 16 parts of Si, Mn 16
Part, 21 parts of Co and 24 parts of aluminium oxide compositions.Each component is the powder of purity >=99%, and partial size is 400 mesh.
Electric motor fan reparation is prepared with laser cladding of material using method in embodiment 7~9 in Examples 1 to 6.
Embodiment 7
A kind of preparation method of electric motor fan reparation laser cladding of material, comprising the following steps: each component is weighed according to quantity,
First by Cu powder, Cr powder, Si powder, Mn powder, Co powder and aluminium oxide, ground and mixed, when grinding a length of 4h, obtain mixed-powder, it is spare；
Nickel packet boron carbide is added, under conditions of ratio of grinding media to material is 30 1 ︰, ball milling 8h, revolving speed 120r/min carry out first time ball milling；With
Lanthana, holimium oxide are added afterwards and aoxidizes bait, under conditions of 5 ︰ 3 of ratio of grinding media to material, ball milling 2h, revolving speed 120r/min carry out second
Secondary ball milling obtains uniformly mixed cladding material powder, at 150 DEG C vacuum drying treatment to get.
Embodiment 8
A kind of preparation method of electric motor fan reparation laser cladding of material, comprising the following steps: each component is weighed according to quantity,
First by Cu powder, Cr powder, Si powder, Mn powder, Co powder and aluminium oxide, ground and mixed, when grinding a length of 6h, obtain mixed-powder, it is spare；
Nickel packet boron carbide is added, under conditions of ratio of grinding media to material is 50 2 ︰, ball milling 3h, revolving speed 140r/min carry out first time ball milling；With
Lanthana, holimium oxide are added afterwards and aoxidizes bait, under conditions of 25 ︰ 4 of ratio of grinding media to material, ball milling 5h, revolving speed 100r/min carry out second
Secondary ball milling obtains uniformly mixed cladding material powder, at 150 DEG C vacuum drying treatment to get.
Embodiment 9
A kind of preparation method of electric motor fan reparation laser cladding of material, comprising the following steps: each component is weighed according to quantity,
First by Cu powder, Cr powder, Si powder, Mn powder, Co powder and aluminium oxide, ground and mixed, when grinding a length of 5h, obtain mixed-powder, it is spare；
Nickel packet boron carbide is added, under conditions of ratio of grinding media to material is 40 1.5 ︰, ball milling 6h, revolving speed 135r/min carry out first time ball milling；
Lanthana, holimium oxide is then added and aoxidizes bait, under conditions of 15 ︰ 3.5 of ratio of grinding media to material, ball milling 3h, revolving speed 110r/min are carried out
Second of ball milling obtains uniformly mixed cladding material powder, at 150 DEG C vacuum drying treatment to get.
Scientific, reasonable, effective in order to ensure technical solution of the present invention, inventor has carried out a series of experimental study.
1, sample and test method
1.1, sample
Examples 1 to 6 and comparative example in the present invention are taken, carries out laser melting coating reparation respectively on substrate.Wherein, laser is defeated
Power P=1.5kW out, scan velocity V=220mm/min, spot size d=3mm respectively obtain embodiment sample and comparative example
Sample.
Comparative example 1: the difference with embodiment 3 is: lacking lanthana in material composition.
Comparative example 2: the difference with embodiment 3 is: lacking holimium oxide in material composition.
Comparative example 3: the difference with embodiment 3 is: lacking oxidation bait in material composition.
Comparative example 4: the difference with embodiment 3 is: lacking oxidation bait and lanthana in material composition.
Comparative example 5: the difference with embodiment 3 is: lacking oxidation bait and holimium oxide in material composition.
Comparative example 6: the difference with embodiment 3 is: lacking lanthana and holimium oxide in material composition.
Comparative example 7: the difference with embodiment 3 is: the dosage for aoxidizing bait is 3 parts.
Comparative example 8: the difference with embodiment 3 is: the dosage for aoxidizing bait is 10 parts.
Comparative example 9: the difference with embodiment 3 is: the dosage of holimium oxide is 12 parts.
Comparative example 10: the difference with embodiment 3 is: the dosage of lanthana is 15 parts.
1.2, test item
1.2.1, the microhardness of cladding layer is measured using automatic turret digital display sclerometer.
1.2.2, using its wearability of MM-200 type determination of wear testing machine, specimen size is 7 × 7 × 25mm, friction
Operating condition is dry grinding sliding friction, is loaded as 5kg, revolving speed 200r/min, experimental period 1h.Weigh front and back quality.
1.2.3, according to the anti-oxidant of the oxidation resistance test method (HV5258-200) of steel and high temperature alloy measurement sample
Property.
1.2.4, detected after laser melting coating using precursor in far field instrument.
2, test result
2.1, the hardness and abrasion condition of embodiment sample
The hardness number test result of embodiment sample 1~6 is as shown in table 1, and abrasion condition test result is as shown in table 2.
Table 1
Table 2
By Tables 1 and 2 it is found that cladding material hardness of the invention is high, there is excellent wear-resisting property.In addition, laser is molten
It is detected after covering using precursor in far field instrument, without discovery crackle.Sample tissue densification after laser melting coating, flawless
The defects of stomata, cladding material are completely combined with matrix.
2.2, the inoxidizability of embodiment sample
The inoxidizability test result of embodiment sample 1~6 is as shown in table 3.
Table 3
As shown in Table 3, cladding material of the invention has excellent antioxygenic property.
2.3, the hardness and abrasion condition of different material composition comparative example
The hardness number test result of comparative example 1~6 is as shown in table 4, and abrasion condition test result is as shown in table 5.
Table 4
Table 5
By table 4 and table 5, in conjunction with table 1, table 2 it is found that addition lanthana, holimium oxide and oxidation bait, are conducive to promote the present invention
Cladding material hardness and wear-resisting property.It is substantially reduced when lacking one of or two kinds of group timesharing, hardness and wear-resisting property.
Wherein, it is maximum to lack influence of the holimium oxide to final products performance.
2.4, the hardness and abrasion condition of different material dosage
The hardness number test result of comparative example 7~10 is as shown in table 6, and abrasion condition test result is as shown in table 7.
Table 6
Table 7
By table 6 and table 7, in conjunction with table 1, table 2 it is found that lanthana, holimium oxide and oxidation bait using amount ranges in the present invention,
Gained cladding material has optimal wear-resisting property, and hardness is high.When dosage is too low or excessively high, the wear-resisting property of gained cladding material
It decreases with hardness.
Claims (7)
1. a kind of electric motor fan reparation laser cladding of material, it is characterised in that: the cladding material is alloy powder, according to weight
Number meter is measured, by Cu73~80 part, 25~28 parts of nickel packet boron carbide, 5~8 parts of lanthana, 5~8 parts of holimium oxide, oxidation bait 5~8
Part, Cr15~18 part, Si17~20 part, Mn13~17 part, Co18~22 part and 20~25 parts of aluminium oxide compositions.
2. electric motor fan reparation laser cladding of material according to claim 1, it is characterised in that: according to parts by weight
Meter, by Cu76 parts, 27 parts of nickel packet boron carbide, 6 parts of lanthana, 7 parts of holimium oxide, oxidation 7 parts of bait, Cr16 parts, Si19 parts, Mn15
Part, Co20 parts and 22 parts of aluminium oxide compositions.
3. described in any item electric motor fan reparation laser cladding of material according to claim 1~2, it is characterised in that: each group
It point is the powder of purity >=99%, partial size is 200~500 mesh.
4. the preparation method of electric motor fan reparation laser cladding of material as claimed in any one of claims 1 to 3, feature exist
In: the following steps are included: each component is weighed according to quantity, first by Cu powder, Cr powder, Si powder, Mn powder, Co powder and aluminium oxide, ground and mixed
After obtain mixed-powder, it is spare；Nickel packet boron carbide is added, carries out first time ball milling；Lanthana, holimium oxide and oxidation is then added
Bait, carry out second of ball milling, obtain uniformly mixed cladding material powder, at 150 DEG C vacuum drying treatment to get.
5. the preparation method of electric motor fan reparation laser cladding of material according to claim 4, it is characterised in that: grinding
4~6h of Shi Changwei.
6. the preparation method of electric motor fan reparation laser cladding of material according to claim 4, it is characterised in that: first
Secondary ball milling is 3~8h of ball milling under conditions of ratio of grinding media to material is 30~50 1~2 ︰, and revolving speed is 120~140r/min.
7. the preparation method of electric motor fan reparation laser cladding of material according to claim 4, it is characterised in that: second
Secondary ball milling is 2~5h of ball milling under conditions of 5~25 3~4 ︰ of ratio of grinding media to material, and revolving speed is 100~120r/min.
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| CN103540790B (en) * | 2013-10-28 | 2015-09-09 | 北京工业大学 | A kind of preparation method of anti-corrosion CuAlCr laser melting coating layer material |
| CN105088005B (en) * | 2015-08-13 | 2017-11-28 | 山西玉华再制造科技有限公司 | Laser melting coating no-spark aluminum bronze powder, preparation method and cladding method |
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