CN110273153A - A kind of boracic high entropy alloy coating and preparation method thereof - Google Patents
A kind of boracic high entropy alloy coating and preparation method thereof Download PDFInfo
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- CN110273153A CN110273153A CN201910681861.3A CN201910681861A CN110273153A CN 110273153 A CN110273153 A CN 110273153A CN 201910681861 A CN201910681861 A CN 201910681861A CN 110273153 A CN110273153 A CN 110273153A
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- 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
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- 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
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Abstract
The present invention provides a kind of boracic high entropy alloy coatings and preparation method thereof, belong to alloy coat field.Self-fluxing nature atom between B atom in part of the present invention is used as, is solid-solubilized in the solid solution of face-centred cubic structure, improves the hardness of coating, graininess and corynebacterium M is precipitated in coated substrate2B hard phase, on the one hand the precipitation of hard phase plays the effect of dispersion-strengtherning, on the other hand, solid solution strengthening effect reduces, coating hardness can be reduced, but dispersion-strengtherning, which can greatly offset solution strengthening to the raising effect of hardness, reduces the influence of ground coating hardness, finally, the hardness of coating is still improved, and using boron element as minor element, it is added in high-entropy alloy, it is acted on by the gap of nonmetalloid, improve the heap piece stacking fault energy of alloy, distortion of lattice increases, play solution strengthening effect, nonmetalloid can also form boride with host element, disperse is in alloy structure, generate dispersion-strengthened action, to make high-entropy alloy hardness and wearability improve.
Description
Technical field
The present invention relates to alloy coat technical fields more particularly to a kind of boracic high entropy alloy coating and preparation method thereof.
Background technique
Metal and its alloy have a long history, and 2004, Cantor etc. proposed a kind of completely new alloy design reason
It reads, and is this kind of alloy to multicomponent alloy (multicomponent alloys) and high-entropy alloy (high entropy respectively
alloys).Different from conventional alloys, high-entropy alloy is not using a kind of or two kinds of elements as matrix, and from ingredient, it includes extremely
Few five kinds of host elements, the atomic ratio of every kind of element is between 5%~35% (at%)；It is said from entropy angle, the entropy of mixing packet of alloy
Atomic vibration entropy, magnetic moment entropy, electronics Random Entropy and atomic arrangement entropy are included, wherein atomic arrangement entropy is occupied an leading position again, therefore,
It dissolves each other under state at random, the entropy of the alloy of equimolar ratio can only consider atomic arrangement entropy, i.e. △ S=Rlnn, as △ S > 1.5R
When, as high-entropy alloy.High-entropy alloy does not have point of apparent solute or solvent, since high entropy effect is presented in it, so that high entropy
Alloy shows simple face-centered cubic (FCC) or body-centered cubic (BCC) solid solution structure in microstructure.Currently, domestic
Outer researcher reports more than 400 kinds of high-entropy alloy systems, with people to the physics of high-entropy alloy, chemistry, mechanical property and
Microstructure characteristics and Theoretical Design according to etc. research, discovery high-entropy alloy, which is one, can prepare, easy processing, can divide
The completely new alloy system for analysing and having Good All-around Property has huge hair in various fields such as structural material, soft magnetic materials
Potentiality are opened up, one of theoretical three quantum jumps of 21 century alloying are known as.But the height in the prior art based on high-entropy alloy design
The bad problem of the generally existing hardness of entropy alloy coat.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of boracic high entropy alloy coatings and its preparation method and application.
Boracic high entropy alloy coating hardness provided by the invention is high.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of boracic high entropy alloy coating, including boron element and host element, the host element includes Co
Element, Cr element, Cu element, Fe element and Mn element, the Co element, Cr element, Cu element, Fe element, Mn element and boron
The molar ratio of element is 1:1:1:1:1:0.1~1.
Preferably, the molar ratio of the Co element, Cr element, Cu element, Fe element, Mn element and boron element is 1:1:1:
1:1:0.4~1.0.
Preferably, the atomic size difference δ of the boracic high entropy alloy coating is 5.46~10.93%, enthalpy of mixing Δ Hmix
For -9.67~2.26kJ/mol, it is 2.84~10.76 that enthalpy of mixing and entropy of mixing ratio, which are Ω, valence electron solubility VEC is 7.33~
8.1, electronegativity difference opposite sex χ are 7.8~8.5%.
The present invention also provides the preparation methods of boracic high entropy alloy coating described in above-mentioned technical proposal, including following step
It is rapid:
Homogenization Treatments are carried out after Co powder, Cr powder, Cu powder, Fe powder, Mn powder and ferro-boron powder are mixed, obtain mixed-powder；
The mixed-powder is dry, obtain dried powder；
The dried powder is subjected to plasma cladding in matrix surface, obtains the boracic high entropy alloy coating.
Preferably, the granularity of the Co powder, Cr powder, Cu powder, Fe powder and Mn powder independently is 80~200 mesh.
Preferably, the granularity of the ferro-boron powder is 80~200 mesh.
Preferably, the Homogenization Treatments are ball milling, and the ratio of grinding media to material of the ball milling is 10:1, drum's speed of rotation is 100~
400r/min, Ball-milling Time are 1~6h.
Preferably, the temperature of the drying is 125~175 DEG C, and the time is 1~2h.
Preferably, the parameter of the plasma cladding are as follows: powder feeding -3~0 second in advance, welding manner are continuous welding, powder feeding
Speed is 5~10r/s, and amplitude of fluctuation is 5~10mm, and arc current is 55A~85A, and ion-gas flow is 0.8~2.0N/m, is protected
Shield throughput is 0.5~2.0N/m, 3~20mm/s of the speed of travel, and the welding number of plies is 1~3 layer.
Preferably, the parameter of the plasma cladding are as follows: powder feeding -2~0 second in advance, welding manner are continuous welding, powder feeding
Speed is 5~10r/s, and amplitude of fluctuation is 5~10mm, and arc current is 60A~75A, and ion-gas flow is 0.8~1.5N/m, is protected
Shield throughput is 1.0~1.8N/m, 3~10mm/s of the speed of travel, and the welding number of plies is 2~3 layers.
The present invention provides a kind of boracic high entropy alloy coating, including boron element and host element, the host element includes Co
Element, Cr element, Cu element, Fe element and Mn element, the Co element, Cr element, Cu element, Fe element, Mn element and boron
The molar ratio of element is 1:1:1:1:1:0.1~1.It is host element that the present invention, which selects five kinds of elements of Co, Cr, Cu, Fe, Mn, with boron
Element is minor element, and part B atom is solid-solubilized in the solid solution of face-centered cubic (FCC) structure, Neng Gouti as self-fluxing nature atom
Graininess and corynebacterium M are precipitated on coated substrate (FCC solid solution) for the hardness of high coating2B hard phase, the precipitation one of hard phase
Aspect plays the effect of dispersion-strengtherning, to improve coating hardness, on the other hand, solid solution strengthening effect is reduced, and can reduce painting
Layer hardness, but dispersion-strengtherning can greatly offset the influence of solution strengthening reduction ground coating hardness to the raising effect of hardness, most
Eventually, the hardness of coating still has higher hardness.Boron is interstitial element simultaneously, and nonmetalloid B is added to CoCrCuFeMn high
It in entropy alloy, can be acted on by the gap of nonmetalloid, improve the heap piece stacking fault energy of alloy, so that such high-entropy alloy
Distortion of lattice increase, play solution strengthening effect, in addition, nonmetalloid can also form boride with host element, disperse exist
In alloy structure, dispersion-strengthened action is generated, so that such high-entropy alloy hardness and wearability be made to improve.
During the preparation process, plasma cladding process will increase the solid solubility limit that atom is dissolved in FCC solid solution to the present invention,
Thus there can be more B atoms to be solid-solubilized in FCC solid solution, increase distortion of lattice, to improve the hardness of coating；In high entropy
Alloy coat ingredient design in introduce self-fluxing nature element B, during plasma cladding with the oxygen and matrix table in alloy powder
Face oxide generates borates with low melting points salt etc., and being covered on weld pool surface prevents alloy excessive oxidation, therefore, so that in cladding layer
It is mingled with and is reduced with oxygen content, improves the surface topography of cladding layer, improve the corrosion resistance of coating.
Detailed description of the invention
Fig. 1 is the XRD diffraction pattern of the CoCrCuFeMn high entropy alloy coating of boracic made from embodiment 1；
Fig. 2 is the CoCrCuFeMn high entropy alloy coating of boracic and the SEM spectrogram of matrix made from embodiment 1；
Fig. 3 is the vickers microhardness figure of the CoCrCuFeMn high entropy alloy coating of boracic made from embodiment 1.
Specific embodiment
The present invention provides a kind of boracic high entropy alloy coating, including boron element and host element, the host element includes Co
Element, Cr element, Cu element, Fe element and Mn element, the Co element, Cr element, Cu element, Fe element, Mn element and boron
The molar ratio of element is 1:1:1:1:1:0.1~1.
In the present invention, the molar ratio of the Co element, Cr element, Cu element, Fe element, Mn element and boron element is preferred
For 1:1:1:1:1:0.4~1.0.In the present invention, the boron content excessively high will lead to will appear between coating and matrix
Crackle cannot form metallurgical bonding.
In the present invention, the atomic size difference δ of the boracic high entropy alloy coating is preferably 5.46~10.93%, mixing
Enthalpy Δ HmixPreferably -9.67~2.26kJ/mol, enthalpy of mixing and entropy of mixing ratio are that Ω is preferably 2.84~10.76, and valence electron is molten
Spending VEC is preferably 7.33~8.1, and electronegativity difference opposite sex χ is preferably 7.8~8.5%.
The present invention also provides the preparation methods of boracic high entropy alloy coating described in above-mentioned technical proposal, including following step
It is rapid:
Homogenization Treatments are carried out after Co powder, Cr powder, Cu powder, Fe powder, Mn powder and ferro-boron powder are mixed, obtain mixed-powder；
The mixed-powder is dry, obtain dried powder；
The dried powder is subjected to plasma cladding in matrix surface, obtains the boracic high entropy alloy coating.
The present invention carries out Homogenization Treatments after mixing Co powder, Cr powder, Cu powder, Fe powder, Mn powder and ferro-boron powder, is mixed
Powder.In the present invention, the granularity of the Co powder, Cr powder, Cu powder, Fe powder and Mn powder is independently preferably 80~200 mesh, more excellent
Be selected as 100~150 mesh, the Co powder, Cr powder, Cu powder, Fe powder and Mn powder purity be both preferably and be greater than 99.9%.The present invention couple
The mixed concrete mode does not have special restriction, using technical solution well known to those skilled in the art.In this hair
In bright, the ferro-boron powder can be avoided B scaling loss and gross segregation during plasma cladding.
In the present invention, the granularity of the ferro-boron powder is preferably 80~200 mesh, more preferably 100~150 mesh, the boron
The purity of iron powder is preferably greater than 98%.In the present invention, the ferro-boron powder preferably includes the component of following mass fraction: 20%
B, 0.5%C, 4.0%Si, 0.2%P, 0.5%Al, the Fe of surplus.
In the present invention, the Homogenization Treatments are preferably ball milling, and the ratio of grinding media to material of the ball milling is preferably 10:1, ball milling
Machine revolving speed is preferably 100~400r/min, more preferably 150~200r/min, and Ball-milling Time is preferably 1~6h, and more preferably 2
~3h.In the present invention, the Homogenization Treatments preferably carry out in high energy machine, and the Homogenization Treatments are preferably protected in argon gas
Middle progress.
After obtaining mixed-powder, the present invention is dry by the mixed-powder, obtains dried powder.In the present invention, described
Dry temperature is preferably 125~175 DEG C, and more preferably 135~150 DEG C, the time is preferably 1~2h, and the drying preferably exists
It is carried out in drying box.
After obtaining dried powder, the dried powder is carried out plasma cladding in matrix surface by the present invention, is obtained described
Boracic high entropy alloy coating.In an embodiment of the present invention, the boracic high entropy alloy coating is denoted as CoCrCuFeMnBx, wherein
Under be designated as molar ratio, do not mark be 1, x be 0.1~1.
In the present invention, the parameter of the plasma cladding is preferred are as follows: powder feeding -3~0 second in advance, welding manner is continuous
Welding, powder feed rate be 5~10r/s, amplitude of fluctuation be 5~10mm, arc current be 55A~85A, ion-gas flow be 0.8~
2.0N/m, protection air-flow amount are 0.5~2.0N/m, 3~20mm/s of the speed of travel, and the welding number of plies is 1~3 layer, more preferably: mentioning
Preceding powder feeding -2~0 second, welding manner are continuous welding, and powder feed rate is 5~10r/s, and amplitude of fluctuation is 5~10mm, arc current
60A~75A, ion-gas flow are 0.8~1.5N/m, and protection air-flow amount is 1.0~1.8N/m, 3~10mm/s of the speed of travel, weldering
Connecing the number of plies is 2~3 layers, and most preferably powder feeding -1 second, welding manner are continuous welding, powder feed rate 7r/s, amplitude of fluctuation in advance
Degree is 8mm, and arc current 65A, ion-gas flow is 1.2N/m, and protection air-flow amount is 1.5N/m, speed of travel 7mm/s, welding layer
Number is 3 layers.In the present invention, B element is easy to aoxidize in high temperature, so being typically chosen lag powder feeding, and the stream of protective atmosphere
Measure larger but too big, powder can be blown away by air-flow, easily cause dust losses.In the present invention, the plasma cladding is excellent
It is selected in plasma arc surfacing machine and carries out.
In the present invention, described matrix is preferably matrix steel Q235, matrix steel Q195, matrix steel Q215, matrix steel Q275
Or low-alloy steel.
In order to further illustrate the present invention, below with reference to example to boracic high entropy alloy coating provided by the invention and its system
Preparation Method is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
With Co, Cr, Cu, Fe, Mn for main element powders, wherein the purity of powder is greater than 99.9%, and granularity is 100~150
Between mesh；
Select B for minor element powder, B be added in the form of ferro-boron powder (mass fraction of ferro-boron powder each element are as follows: 20%B,
0.5%C, 4.0%Si, 0.2%P, 0.5%Al, surplus Fe), the purity of powder is greater than 98%, granularity 100~150 mesh it
Between；
Ferro-boron powder after host element powder Co, Cr, Cu, Fe, Mn mixing, is added to host element and mixed by mixed-powder proportion
It after in powder, pours into and carries out Homogenization Treatments in high energy machine, make the molar ratio 1 of Co, Cr, Cu, Fe, Mn and B in final coating:
1:1:1:1:0.1.Ball milling parameter: ratio of grinding media to material 10:1, drum's speed of rotation 200r/min, Ball-milling Time 2h, mechanical milling process
Middle progress argon gas protection, obtains mixed-powder.
Mixed-powder is dried in drying box, drying process: temperature is 125 DEG C, and drying time 2h obtains xeraphium
End.
Dried powder is poured into plasma arc surfacing machine barrel, carry out the preparation of plasma cladding high entropy alloy coating,
Cladding on matrix steel Q235, plasma cladding technological parameter are as follows: powder feeding in advance is -1 second, powder feed rate 7r/s, amplitude of fluctuation
For 8mm, arc current 60A, ion-gas flow is 1.2N/m, and protection air-flow amount is 1.5N/m, speed of travel 8mm/s, welds the number of plies 3
Layer, obtains boracic high entropy alloy coating 3mm, is denoted as CoCrCuFeMnB0.1, the atomic size of the boracic high entropy alloy coating is poor
(δ) 5.46%, enthalpy of mixing (Δ Hmix) 2.26kJ/mol, enthalpy of mixing and entropy of mixing ratio are (Ω) 10.76, valence electron solubility (VEC)
8.1, the electronegativity difference opposite sex (χ) 7.8%.
Fig. 1 is the XRD diffraction pattern of the CoCrCuFeMn high entropy alloy coating of boracic, as shown in Figure 1, CoCrCuFeMnB0.1
The object of high entropy alloy coating coating is mutually mainly by FCC solid solution, BCC solid solution and boride (M2B it) forms.
The CoCrCuFeMn high entropy alloy coating of boracic made from Fig. 2 embodiment 1 and the SEM spectrogram of matrix, can by Fig. 2
Know, boride disperse generates dispersion-strengthened action in alloy structure.
Coating obtained by the present embodiment is tested using vickers microhardness (loading force 300g, dwell time 15s), institute
Vickers microhardness figure is obtained as shown in figure 3, the average hardness for obtaining coating is 413Hv0.3, it is matrix steel (Q235) average hardness
(123Hv0.3) 3.4 times, coating is worn (abrasive material is steel ball) at normal temperature, and abrasion loss is less than matrix steel (Q235), and wearability is
2.4 times of matrix.
Embodiment 2
With Co, Cr, Cu, Fe, Mn for main element powders, wherein the purity of powder is greater than 99.9%, and granularity is in 80~200 mesh
Between；
Select B for minor element powder, B be added in the form of ferro-boron powder (mass fraction of ferro-boron powder each element are as follows: 20%B,
0.5%C, 4.0%Si, 0.2%P, 0.5%Al, surplus Fe), the purity of powder is greater than 98%, and granularity is between 80~200 mesh；
Ferro-boron powder after host element powder Co, Cr, Cu, Fe, Mn mixing, is added to host element and mixed by mixed-powder proportion
It after in powder, pours into and carries out Homogenization Treatments in high energy machine, make the molar ratio 1 of Co, Cr, Cu, Fe, Mn and B in final coating:
1:1:1:1:0.4.Ball milling parameter: ratio of grinding media to material 10:1, drum's speed of rotation 100r/min, Ball-milling Time 4h, mechanical milling process
Middle progress argon gas protection, obtains mixed-powder.
Mixed-powder is dried in drying box, drying process: temperature is 135 DEG C, and drying time 1.5h obtains drying
Powder.
Dried powder is poured into plasma arc surfacing machine barrel, carry out the preparation of plasma cladding high entropy alloy coating,
Cladding on matrix steel Q235, plasma cladding technological parameter are as follows: powder feeding in advance is -1 second, powder feed rate 7r/s, amplitude of fluctuation
For 8mm, arc current 65A, ion-gas flow is 1.2N/m, and protection air-flow amount is 1.5N/m, speed of travel 7mm/s, welds the number of plies 3
Layer, obtains boracic high entropy alloy coating 3mm, is denoted as CoCrCuFeMnB0.4, the atomic size of the boracic high entropy alloy coating is poor
(δ) 9.36%, enthalpy of mixing (Δ Hmix) -2.63kJ/mol, enthalpy of mixing and entropy of mixing ratio are (Ω) 9.89, valence electron solubility (VEC)
7.81, the electronegativity difference opposite sex (χ) 8.1%.
Coating obtained by the present embodiment is tested using vickers microhardness (loading force 300g, dwell time 15s), is obtained
Average hardness to coating is 487Hv0.3, it is matrix steel (Q235) average hardness (123Hv0.3) 3.95 times, coating is in room temperature
Lower abrasion (abrasive material is steel ball), abrasion loss are less than matrix steel (Q235), and wearability is 2.6 times of matrix.
Embodiment 3
Same as Example 1, difference is only that the molar ratio of Co, Cr, Cu, Fe, Mn and B in final coating are 1:1:1:1:
1:1 is denoted as CoCrCuFeMnB1.0, poor (δ) 10.93% of the atomic size of the boracic high entropy alloy coating, enthalpy of mixing (Δ
Hmix) -9.67kJ/mol, enthalpy of mixing and entropy of mixing ratio are (Ω) 2.84, valence electron solubility (VEC) 7.33, the electronegativity difference opposite sex (χ)
8.5%.
Coating obtained by the present embodiment is tested using vickers microhardness (loading force 300g, dwell time 15s), is obtained
Average hardness to coating is 594Hv0.3, it is matrix steel (Q235) average hardness (123Hv0.3) 4.8 times, coating is at normal temperature
It wears (abrasive material is steel ball), abrasion loss is less than matrix steel (Q235), and wearability is 3.5 times of matrix.
Embodiment 4
With Co, Cr, Cu, Fe, Mn for main element powders, wherein the purity of powder is greater than 99.9%, and granularity is 100~150
Between mesh；
Select B for minor element powder, B be added in the form of ferro-boron powder (mass fraction of ferro-boron powder each element are as follows: 20%B,
0.5%C, 4.0%Si, 0.2%P, 0.5%Al, surplus Fe), the purity of powder is greater than 98%, granularity 100~150 mesh it
Between；
Ferro-boron powder after host element powder Co, Cr, Cu, Fe, Mn mixing, is added to host element and mixed by mixed-powder proportion
It after in powder, pours into and carries out Homogenization Treatments in high energy machine, make the molar ratio 1 of Co, Cr, Cu, Fe, Mn and B in final coating:
1:1:1:1:0.6.Ball milling parameter: ratio of grinding media to material 10:1, drum's speed of rotation 200r/min, Ball-milling Time 3h, mechanical milling process
Middle progress argon gas protection, obtains mixed-powder.
Mixed-powder is dried in drying box, drying process: temperature is 175 DEG C, and drying time 1h obtains xeraphium
End.
Dried powder is poured into plasma arc surfacing machine barrel, carry out the preparation of plasma cladding high entropy alloy coating,
Cladding on matrix steel Q275, plasma cladding technological parameter are as follows: powder feeding in advance is -2 seconds, powder feed rate 5r/s, amplitude of fluctuation
For 10mm, arc current 55A, ion-gas flow is 1.5N/m, and protection air-flow amount is 1.8N/m, speed of travel 5mm/s, welds the number of plies
3 layers, boracic high entropy alloy coating is obtained, CoCrCuFeMnB is denoted as0.5, the atomic size of the boracic high entropy alloy coating is poor
(δ) 9.74%, enthalpy of mixing (Δ Hmix) -5.33kJ/mol, enthalpy of mixing and entropy of mixing ratio are (Ω) 5.68, valence electron solubility (VEC)
7.64, the electronegativity difference opposite sex (χ) 8.2%.
Coating obtained by the present embodiment is tested using vickers microhardness (loading force 300g, dwell time 15s), is obtained
Average hardness to coating is 517Hv0.3, it is matrix steel (Q275) average hardness (170.2Hv0.3) 3.0 times, coating is in room temperature
Lower abrasion (abrasive material is steel ball), abrasion loss are less than matrix steel (Q275), and wearability is 2.4 times of matrix.
The above is only a preferred embodiment of the present invention, it is not intended to limit the present invention in any form.It should
It points out, for those skilled in the art, without departing from the principle of the present invention, if can also make
Dry improvements and modifications, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of boracic high entropy alloy coating, which is characterized in that including boron element and host element, the host element includes Co member
Element, Cr element, Cu element, Fe element and Mn element, the Co element, Cr element, Cu element, Fe element, Mn element and boron member
The molar ratio of element is 1:1:1:1:1:0.1~1.
2. boracic high entropy alloy coating according to claim 1, which is characterized in that the Co element, Cr element, Cu member
The molar ratio of element, Fe element, Mn element and boron element is 1:1:1:1:1:0.4~1.0.
3. boracic high entropy alloy coating according to claim 1, which is characterized in that the original of the boracic high entropy alloy coating
Sub- size difference δ is 5.46~10.93%, enthalpy of mixing Δ HmixFor -9.67~2.26kJ/mol, enthalpy of mixing and entropy of mixing ratio are Ω
It is 2.84~10.76, valence electron solubility VEC is 7.33~8.1, and electronegativity difference opposite sex χ is 7.8~8.5%.
4. the preparation method of any one of claims 1 to 3 boracic high entropy alloy coating, which is characterized in that including following step
It is rapid:
Homogenization Treatments are carried out after Co powder, Cr powder, Cu powder, Fe powder, Mn powder and ferro-boron powder are mixed, obtain mixed-powder；
The mixed-powder is dry, obtain dried powder；
The dried powder is subjected to plasma cladding in matrix surface, obtains the boracic high entropy alloy coating.
5. the preparation method according to claim 4, which is characterized in that the Co powder, Cr powder, Cu powder, Fe powder and Mn powder
Granularity independently is 80~200 mesh.
6. the preparation method according to claim 4, which is characterized in that the granularity of the ferro-boron powder is 80~200 mesh.
7. the preparation method according to claim 4, which is characterized in that the Homogenization Treatments are ball milling, the ball milling
Ratio of grinding media to material is 10:1, and drum's speed of rotation is 100~400r/min, and Ball-milling Time is 1~6h.
8. the preparation method according to claim 4, which is characterized in that the temperature of the drying is 125~175 DEG C, the time
For 1~2h.
9. the preparation method according to claim 4, which is characterized in that the parameter of the plasma cladding are as follows: powder feeding-in advance
3~0 seconds, welding manner was continuous welding, and powder feed rate is 5~10r/s, and amplitude of fluctuation is 5~10mm, arc current be 55A~
85A, ion-gas flow are 0.8~2.0N/m, and protection air-flow amount is 0.5~2.0N/m, and the speed of travel is 3~20mm/s, welding
The number of plies is 1~3 layer.
10. preparation method according to claim 9, which is characterized in that the parameter of the plasma cladding are as follows: send in advance
Powder -2~0 second, welding manner are continuous welding, and powder feed rate is 5~10r/s, and amplitude of fluctuation is 5~10mm, arc current 60A
~75A, ion-gas flow are 0.8~1.5N/m, and protection air-flow amount is 1.0~1.8N/m, and the speed of travel is 3~10mm/s, weldering
Connecing the number of plies is 2~3 layers.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850544A (en) * | 2020-06-22 | 2020-10-30 | 昆明理工大学 | High-entropy alloy coating and preparation method thereof |
| US11318566B2 (en) | 2016-08-04 | 2022-05-03 | Honda Motor Co., Ltd. | Multi-material component and methods of making thereof |
| US11339817B2 (en) | 2016-08-04 | 2022-05-24 | Honda Motor Co., Ltd. | Multi-material component and methods of making thereof |
| CN114737102A (en) * | 2022-04-18 | 2022-07-12 | 温州大学 | High-hardness sigma-phase high-entropy alloy coating and preparation method thereof |
| CN114855097A (en) * | 2022-05-09 | 2022-08-05 | 西北工业大学 | Method for improving strength and low-temperature wear resistance of FeMnCoCr high-entropy alloy |
| CN114892117A (en) * | 2022-05-26 | 2022-08-12 | 刘照松 | TiC particle reinforced high-entropy alloy wear-resistant coating and preparation method thereof |
| CN115029601A (en) * | 2022-07-20 | 2022-09-09 | 上海海事大学 | High-entropy alloy/hard ceramic synergistic strengthening composite coating and preparation method thereof |
| US11511375B2 (en) | 2020-02-24 | 2022-11-29 | Honda Motor Co., Ltd. | Multi component solid solution high-entropy alloys |
| WO2024081000A1 (en) * | 2022-10-14 | 2024-04-18 | Halliburton Energy Services, Inc. | High-entropy surface coating for protecting metal downhole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060797A (en) * | 2013-01-14 | 2013-04-24 | 北京工业大学 | Preparation method of plasma cladding high-entropy alloy coating layer |
| CN103290404A (en) * | 2013-05-06 | 2013-09-11 | 浙江工业大学 | Laser-cladding high-entropy alloy powder and preparation method of high-entropy alloy coating |
| CN106319513A (en) * | 2016-09-26 | 2017-01-11 | 沈阳工业大学 | High-entropy alloy powder and preparation method of high-hardness high-entropy alloy coating |
| CN108103494A (en) * | 2016-11-25 | 2018-06-01 | 胡威 | A kind of new high-entropy alloy coating and preparation method thereof |
| CN109930053A (en) * | 2019-03-30 | 2019-06-25 | 扬州睿德石油机械有限公司 | A kind of FeCoNiCrMn high-entropy alloy and the method for preparing wear-resistant coating using the alloy |
-
2019
- 2019-07-26 CN CN201910681861.3A patent/CN110273153A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060797A (en) * | 2013-01-14 | 2013-04-24 | 北京工业大学 | Preparation method of plasma cladding high-entropy alloy coating layer |
| CN103290404A (en) * | 2013-05-06 | 2013-09-11 | 浙江工业大学 | Laser-cladding high-entropy alloy powder and preparation method of high-entropy alloy coating |
| CN106319513A (en) * | 2016-09-26 | 2017-01-11 | 沈阳工业大学 | High-entropy alloy powder and preparation method of high-hardness high-entropy alloy coating |
| CN108103494A (en) * | 2016-11-25 | 2018-06-01 | 胡威 | A kind of new high-entropy alloy coating and preparation method thereof |
| CN109930053A (en) * | 2019-03-30 | 2019-06-25 | 扬州睿德石油机械有限公司 | A kind of FeCoNiCrMn high-entropy alloy and the method for preparing wear-resistant coating using the alloy |
Non-Patent Citations (3)
| Title |
|---|
| SEUNG MIN OH: "Microstructural stability and mechanical properties of equiatomic CoCrCuFeNi, CrCuFeMnNi, CoCrCuFeMn alloys", 《MATERIALS CHEMISTRY AND PHYSICS》 * |
| 张保森: "等离子熔覆(CuCoCrFeNi)95B5 高熵合金涂层研究", 《稀有金属材料与工程》 * |
| 张冲: "激光熔覆 FeCrNiCoMnBx 高熵合金涂层的组织结构与性能", 《稀有金属材料与工程》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11318566B2 (en) | 2016-08-04 | 2022-05-03 | Honda Motor Co., Ltd. | Multi-material component and methods of making thereof |
| US11339817B2 (en) | 2016-08-04 | 2022-05-24 | Honda Motor Co., Ltd. | Multi-material component and methods of making thereof |
| US11511375B2 (en) | 2020-02-24 | 2022-11-29 | Honda Motor Co., Ltd. | Multi component solid solution high-entropy alloys |
| CN111850544A (en) * | 2020-06-22 | 2020-10-30 | 昆明理工大学 | High-entropy alloy coating and preparation method thereof |
| CN114737102A (en) * | 2022-04-18 | 2022-07-12 | 温州大学 | High-hardness sigma-phase high-entropy alloy coating and preparation method thereof |
| CN114855097A (en) * | 2022-05-09 | 2022-08-05 | 西北工业大学 | Method for improving strength and low-temperature wear resistance of FeMnCoCr high-entropy alloy |
| CN114855097B (en) * | 2022-05-09 | 2023-09-22 | 西北工业大学 | Method for improving FeMnCoCr high-entropy alloy strength and low-temperature wear resistance |
| CN114892117A (en) * | 2022-05-26 | 2022-08-12 | 刘照松 | TiC particle reinforced high-entropy alloy wear-resistant coating and preparation method thereof |
| CN115029601A (en) * | 2022-07-20 | 2022-09-09 | 上海海事大学 | High-entropy alloy/hard ceramic synergistic strengthening composite coating and preparation method thereof |
| CN115029601B (en) * | 2022-07-20 | 2023-12-19 | 上海海事大学 | High-entropy alloy/hard ceramic synergistic reinforced composite coating and preparation method thereof |
| WO2024081000A1 (en) * | 2022-10-14 | 2024-04-18 | Halliburton Energy Services, Inc. | High-entropy surface coating for protecting metal downhole |
| NL2035618A (en) * | 2022-10-14 | 2024-05-03 | Halliburton Energy Services Inc | High-Entropy Surface Coating for Protecting Metal Downhole |
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