CN108118338A - A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating - Google Patents
A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating Download PDFInfo
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- CN108118338A CN108118338A CN201810009148.XA CN201810009148A CN108118338A CN 108118338 A CN108118338 A CN 108118338A CN 201810009148 A CN201810009148 A CN 201810009148A CN 108118338 A CN108118338 A CN 108118338A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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Abstract
The invention discloses a kind of methods of high-frequency induction cladding TiC enhancing wear-resisting composite coatings of high-entropy alloy; the mixed-powder of a certain proportion of Ni Cr B Si of cladding, Co Cr B Si, Cu, Al, TiC composition is heated under the protection of surface of low-carbon steel argon gas using inductor; since component is five yuan or more; there is the hesitation of high-entropy alloy in cladding process, come into being Cr7C3Have the characteristics that crystal grain is tiny, finally formd on steel matrix surface by TiC, Cr7C3The AlCoCrCuNi high-entropy alloy coatings of enhancing.
Description
Technical field
The invention belongs to surface of low-carbon steel process fields, and sensing cladding is more particularly to used to prepare the side of wear-resisting composite coating
Method.
Background technology
In the industry such as machinery, space flight and aviation, weaving, automobile, geological prospecting, a large amount of parts are in fretting wear condition
Under, therefore it is higher and higher to the wear-resisting property requirement of parts.In order to improve the wearability of metal, generally use surface it is modified or
The method of prepares coating.It is wherein more that coating material is used as using Fe-Cr-B-Si, Ni-Cr-B-Si, Co-Cr-B-Si etc.,
Enhancing is mutually (Cr, Fe)7C3, effect is preferable.TiC carbide mutually occurs in the coating always for common enhancing, and passes through high energy
Beam cladding method prepares abrasion-resistant coating material for sufacing.In addition, high-entropy alloy is by the element constituent element of five or more
According to grade atomic ratios or close to the alloy for waiting atomic ratio alloys, the excellent mechanical for having some conventional alloys incomparable
Performance, such as high intensity, high rigidity, high tenacity, high abrasion corrosion resistance, so as to as in one new research heat of material science
Point.But the preparation of high-entropy alloy coating is using elemental metals powder mostly at present, and there are part elemental metals powder fusing point height, simple substance
The shortcomings that different melting points are big between metal powder, often results in that coating is thin and non-uniform shortcoming.There is sensing heating temperature preferably to control,
It is only capable of heating the surface of mild steel, there is the advantages of heating surface (area) (HS is big, and firing rate is fast.
The content of the invention
Problem to be solved by this invention is due to preparing high-entropy alloy coating in cladding process using elemental metals powder
There are part elemental metals powder fusing point it is higher it is bad fusing or melt it is insufficient, in addition, different melting points are big between each elemental metals powder
It is uneven to easily lead to coating composition.Using alloyed metal (AM) powder and cooperation sensing heating can simultaneously melt-blended powder, and
The excess dilution of steel matrix is avoided, is conducive to improve the wearability of coating.And simple substance Cu powder, the fusing point of Al powder are relatively low, using list
Matter Ni metal powder, Al powder are more suitable.In addition, enthalpy of mixing larger between Ni, Al to be formed in cooling in coating
The microstructure of the nanoscale stratiform spinodal decomposition of rich Ni, Al and richness Cr, Co.
A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating, including following processing steps：
Step 1: choose will the mild steel that need to strengthen as matrix, the surface to be fortified of part is pre-processed, with emery wheel or
The surface of sand paper polishing parts to be processed is derusted, and the greasy dirt of component surface is removed with alcohol or acetone；
Step 2: Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al, TiC are formed into mixed-powder, powder grain used by a certain percentage
120-240 μm of footpath.Wherein the mass percent of Ni-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6
~ 1.0, remaining is Ni；The mass percent of Co-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6~
1.0, remaining is Co；The purity of Cu, Al powder is higher than 99.5%；The purity of TiC powder is higher than 99%；Mixed powder Ni-Cr-B-Si, Co-
The mass percent of Cr-B-Si, Cu, Al, TiC is：24~29：22~26：25~28：11~14：8~10.And it is mixed with ball mill
It closes, ball milling mixing is carried out using steel ball grinder, abrading-ball therein is 3 ~ 3.2: 1 with metal powder mass ratio, is opened after sealing true
Empty valve vacuumizes 25 ~ 35 minutes, ball grinder is put into planetary ball mill, rotating speed is 280 ~ 310 r/min, swings to frequency 28
~ 45 Hz, it is 30 ~ 45 minutes to carry out the ball mill mixing time.
Step 3: by mixed-powder and pressure sensitive adhesive example 1.1 ~ 1.3 in mass ratio:1 is mixed and made into whiting fusion, is coated
To steel matrix surface, coating thickness is 0.8 ~ 1.2cm, and 1.5 ~ 2h is dried at 100 ~ 120 DEG C；
Step 4: carrying out cladding to cladding powder using high-frequency induction heating, technological parameter is：The work frequency of induction heating current
Rate is between 550kHz ~ 2MHz, and induction heating current is between 10A ~ 15A, between clad layer surface and load coil
Distance controlling in 3 ~ 9mm, the temperature of cladding layer at 1000 ~ 1200 DEG C, sensing heating area is blown into inert protective gas to avoid
Cladding layer aoxidizes, and inert protective gas is argon gas or nitrogen, and gas flow is 1.5 ~ 1.8m3/h.Complete sensing cladding.Cooling is solidifying
Gu it is wear-resistant coating after.
The beneficial effects of the invention are as follows：
（1）The process of the present invention can make full use of its distinctive expansion using matrix of the high-entropy alloy as wear-resistant coating
Scattered speed is slow, the characteristic insensitive to composition transfer, and coating is made to have higher toughness, intensity, wearability.
（2）The metal of alloying powder such as Ni-Cr-B-Si, Co-Cr-B-Si that the present invention uses, has that fusing point is low, ingredient is equal
The advantages of even, and at low cost, has self-fluxing alloy concurrently and possesses self-protection function.
（3）Present invention enhancing mutually mainly has (Cr, Fe)7C3, two kinds of TiC, due to the intrinsic sluggish diffusion effect of high-entropy alloy
It should so that come into being (Cr, Fe) in cladding process7C3Size reduction, be conducive to the raising of wearability, and the TiC added is favourable
In further crystal grain thinning, wearability is improved.
（4）The present invention is had using sensing heating while heating surface (area) (HS is big, high due to avoiding common high energy beam
Temperature avoids the fusing of steel matrix, reduces the dilution of steel matrix, ensure that high-entropy alloy ingredient.
Specific embodiment
Embodiment 1：
A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating, including following processing steps：
Step 1: choosing matrix of the Q235 steel as cladding, its surface is pre-processed, it is to be processed with emery wheel or sand paper polishing
The surface of parts is derusted, and the greasy dirt of component surface is removed with alcohol or acetone；
Step 2: Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al, TiC are formed into mixed-powder, powder grain used by a certain percentage
120-180 μm of footpath.Wherein the mass percent of Ni-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6
~ 1.0, remaining is Ni；The mass percent of Co-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6~
1.0, remaining is Co；The purity of Cu, Al powder is higher than 99.5%；The purity of TiC powder is higher than 99%；Mixed powder Ni-Cr-B-Si, Co-
The mass percent of Cr-B-Si, Cu, Al, TiC is：29：26：25：11：9.And mixed with ball mill, using steel ball milling
Tank carries out ball milling mixing, and abrading-ball therein is 3.2: 1 with metal powder mass ratio, and vacuum valve is opened after sealing and is vacuumized 35 minutes,
Ball grinder is put into planetary ball mill, rotating speed is 310 r/min, swings to 45 Hz of frequency, and it is 45 points to carry out the ball mill mixing time
Clock.
Step 3: by mixed-powder and pressure sensitive adhesive example 1.1 in mass ratio:1 is mixed and made into whiting fusion, is coated to steel
Matrix surface, coating thickness 0.8cm dry 1.5h at 100 DEG C；
Step 4: carrying out cladding to cladding powder using high-frequency induction heating, technological parameter is：The work frequency of induction heating current
Rate is between 1.5MHz, and induction heating current is between 15A, the control of the distance between clad layer surface and load coil
In 9mm, the temperature of cladding layer is blown into sensing heating area inert protective gas and is aoxidized to avoid cladding layer at 1100 ~ 1150 DEG C,
Inert protective gas be argon gas or nitrogen, gas flow 1.5m3/h.Complete sensing cladding.It is wear-resisting painting after cooled and solidified
Layer.
The result shows that foring basic flawless, imperforate cladding layer in surface of low-carbon steel, thickness is 450 μm.Its is micro-
Sight is organized as TiC, Cr7C3The high-entropy alloy coating of the AlCoCrCuNi of enhancing, and metallurgical binding is formd with matrix, it is wear-resisting
Property be 5.2 times of Q235 steel.
Embodiment 2：
A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating, including following processing steps：
Step 1: choosing Q195 as matrix, the surface to be fortified of part is pre-processed, is polished with emery wheel or sand paper to be added
The surface of work parts is derusted, and the greasy dirt of component surface is removed with alcohol or acetone；
Step 2: Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al, TiC are formed into mixed-powder, powder grain used by a certain percentage
160-240 μm of footpath.Wherein the mass percent of Ni-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6
~ 1.0, remaining is Ni；The mass percent of Co-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6~
1.0, remaining is Co；The purity of Cu, Al powder is higher than 99.5%；The purity of TiC powder is higher than 99%；Mixed powder Ni-Cr-B-Si, Co-
The mass percent of Cr-B-Si, Cu, Al, TiC is：24：24：28：14：8~10.And mixed with ball mill, using steel
Ball grinder carries out ball milling mixing, and abrading-ball therein is 3: 1 with metal powder mass ratio, and vacuum valve is opened after sealing and vacuumizes 25 points
Ball grinder is put into planetary ball mill by clock, and rotating speed is 280 r/min, swings to 28 Hz of frequency, carries out the ball mill mixing time
For 30 minutes.
Step 3: by mixed-powder and pressure sensitive adhesive example 1.1 in mass ratio:1 is mixed and made into whiting fusion, is coated to steel
Matrix surface, coating thickness 1.1cm dry 1.5h at 100 ~ 120 DEG C；
Step 4: carrying out cladding to cladding powder using high-frequency induction heating, technological parameter is：The work frequency of induction heating current
Rate is between 750kHz, and induction heating current is between 10A, the control of the distance between clad layer surface and load coil
In 3mm, the temperature of cladding layer is blown into sensing heating area inert protective gas and is aoxidized to avoid cladding layer at 1150 ~ 1200 DEG C,
Inert protective gas be argon gas or nitrogen, gas flow 1.5m3/h.Complete sensing cladding.It is wear-resisting painting after cooled and solidified
Layer.
The result shows that foring basic flawless, imperforate cladding layer in surface of low-carbon steel, thickness is 560 μm.Its is micro-
Sight is organized as TiC, Cr7C3The high-entropy alloy coating of the AlCoCrCuNi of enhancing, and metallurgical binding is formd with matrix, it is wear-resisting
Property be 5.5 times of Q195 steel.
Embodiment 3：
A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating, including following processing steps：
Step 1: choosing Q215 as matrix, the surface to be fortified of part is pre-processed, is polished with emery wheel or sand paper to be added
The greasy dirt of component surface is removed with alcohol or acetone to derust in the surface of work parts；
Step 2: Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al, TiC are formed into mixed-powder, powder grain used by a certain percentage
150-220 μm of footpath.Wherein the mass percent of Ni-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6
~ 1.0, remaining is Ni；The mass percent of Co-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6~
1.0, remaining is Co；The purity of Cu, Al powder is higher than 99.5%；The purity of TiC powder is higher than 99%；Mixed powder Ni-Cr-B-Si, Co-
The mass percent of Cr-B-Si, Cu, Al, TiC is：29：22：27：12：10.And mixed with ball mill, using steel ball
Grinding jar carries out ball milling mixing, and abrading-ball therein is 3: 1 with metal powder mass ratio, and vacuum valve is opened after sealing and is vacuumized 25 minutes,
Ball grinder is put into planetary ball mill, rotating speed is 280 r/min, swings to 40 Hz of frequency, and it is 35 to carry out the ball mill mixing time
Minute.
Step 3: by mixed-powder and pressure sensitive adhesive example 1.1 ~ 1.3 in mass ratio:1 is mixed and made into whiting fusion, is coated
To steel matrix surface, coating thickness 1cm dries 1.5h at 100 DEG C；
Step 4: carrying out cladding to cladding powder using high-frequency induction heating, technological parameter is：The work frequency of induction heating current
Rate is between 550, and between 12A, the control of the distance between clad layer surface and load coil exists induction heating current
6mm, the temperature of cladding layer is blown into sensing heating area inert protective gas and is aoxidized to avoid cladding layer at 1000 ~ 1170 DEG C, lazy
Property protective gas be argon gas or nitrogen, gas flow 1.5m3/h.Complete sensing cladding.It is wear-resistant coating after cooled and solidified.
The result shows that foring basic flawless, imperforate cladding layer in surface of low-carbon steel, thickness is 550 μm.Its is micro-
Sight is organized as TiC, Cr7C3The high-entropy alloy coating of the AlCoCrCuNi of enhancing, and metallurgical binding is formd with matrix, it is wear-resisting
Property be 5.3 times of Q215 steel.
Claims (6)
- A kind of 1. method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating, which is characterized in that the production method Including following processing steps：Step 1: choose will the mild steel that need to strengthen as matrix, the surface to be fortified of part is pre-processed, with emery wheel or The surface derusting of sand paper polishing parts to be processed removes the greasy dirt of component surface with alcohol or acetone；Step 2: Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al, TiC are formed mixed-powder by a certain percentage, and use ball mill Carry out ball milling mixing, 120-240 μm of powder diameter used；Step 3: by mixed-powder and pressure sensitive adhesive example 1.1 ~ 1.3 in mass ratio:1 is mixed and made into whiting fusion, is coated to steel Matrix surface, coating thickness is 0.8 ~ 1.2cm, and is dried；It is wear-resistant coating after cooled and solidified Step 4: carrying out cladding to cladding powder using high-frequency induction heating.
- 2. a kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating according to claim 1, feature It is：The mass percent of the Ni-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6 ~ 1.0, Remaining is Ni；The mass percent of Co-Cr-B-Si ingredients is Cr：14 ~ 17, B：2.5 ~ 4.5, Si：3 ~ 4.5, C：0.6 ~ 1.0, Remaining is Co；The purity of Cu, Al powder is higher than 99.5%；The purity of TiC powder is higher than 99%；Mixed powder Ni-Cr-B-Si, Co-Cr-B- The mass percent of Si, Cu, Al, TiC is：24~29：22~26：25~28：11~14：8~10.
- 3. a kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating according to claim 1, feature It is：The ball milling mixing is to carry out ball milling mixing using steel ball grinder, abrading-ball therein and metal powder mass ratio for 3 ~ 3.2: 1, vacuum valve is opened after sealing and is vacuumized 25 ~ 35 minutes, ball grinder is put into planetary ball mill, rotating speed is 280 ~ 310 R/min swings to 28 ~ 45 Hz of frequency, and it is 30 ~ 45 minutes to carry out the ball mill mixing time.
- 4. a kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating according to claim 1, feature It is：The stoving process is：1.5 ~ 2h is dried at 100 ~ 120 DEG C.
- 5. a kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating according to claim 1, feature It is the cladding, technological parameter is：The working frequency of induction heating current is between 550kHz ~ 2MHz, sensing heating For electric current between 10A ~ 15A, the distance between clad layer surface and load coil control the temperature in 3 ~ 9mm, making cladding layer Degree is blown into sensing heating area inert protective gas and is aoxidized to avoid cladding layer at 1000 ~ 1200 DEG C, completes sensing cladding.
- 6. a kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating according to claim 5, feature It is the inert protective gas for argon gas or nitrogen, gas flow is 1.5 ~ 1.8m3/h。
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950538A (en) * | 2018-06-29 | 2018-12-07 | 武汉科技大学 | A kind of preparation method of nickel packet titanium carbide induction cladding layer |
| CN109112530A (en) * | 2018-07-16 | 2019-01-01 | 昆明理工大学 | A kind of laser melting coating high entropy alloy material and cladding layer preparation method |
| CN110842364A (en) * | 2019-11-25 | 2020-02-28 | 中国矿业大学 | Laser cladding welding high-entropy alloy AlCoCrFeNi/27SiMn steel composite layer and preparation method thereof |
| CN111085689A (en) * | 2018-10-23 | 2020-05-01 | 天津大学 | FeCoCrNi series high-entropy alloy selective laser melting in-situ additive manufacturing method and product |
| CN111168053A (en) * | 2018-10-23 | 2020-05-19 | 天津大学 | Preparation method of raw material powder for high-entropy alloy selective laser melting additive manufacturing |
| CN111411319A (en) * | 2020-03-01 | 2020-07-14 | 苏州科技大学 | Method for preparing nitride-enhanced high-entropy alloy coating by plasma cladding |
| CN111761057A (en) * | 2019-04-01 | 2020-10-13 | 天津大学 | Method for improving density and component uniformity of selected area laser melting product |
| CN113832461A (en) * | 2021-09-23 | 2021-12-24 | 浙江亚通焊材有限公司 | Nickel-based alloy powder for laser cladding, ceramic particle reinforced composite powder and application |
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| CN108950538A (en) * | 2018-06-29 | 2018-12-07 | 武汉科技大学 | A kind of preparation method of nickel packet titanium carbide induction cladding layer |
| CN108950538B (en) * | 2018-06-29 | 2020-08-04 | 武汉科技大学 | Preparation method of nickel-coated titanium carbide induction cladding layer |
| CN109112530A (en) * | 2018-07-16 | 2019-01-01 | 昆明理工大学 | A kind of laser melting coating high entropy alloy material and cladding layer preparation method |
| CN111085689A (en) * | 2018-10-23 | 2020-05-01 | 天津大学 | FeCoCrNi series high-entropy alloy selective laser melting in-situ additive manufacturing method and product |
| CN111168053A (en) * | 2018-10-23 | 2020-05-19 | 天津大学 | Preparation method of raw material powder for high-entropy alloy selective laser melting additive manufacturing |
| CN111168053B (en) * | 2018-10-23 | 2021-08-24 | 天津大学 | Preparation method of raw material powder for high-entropy alloy selective laser melting additive manufacturing |
| CN111085689B (en) * | 2018-10-23 | 2022-03-04 | 天津大学 | FeCoCrNi series high-entropy alloy selective laser melting in-situ additive manufacturing method and product |
| CN111761057A (en) * | 2019-04-01 | 2020-10-13 | 天津大学 | Method for improving density and component uniformity of selected area laser melting product |
| CN110842364A (en) * | 2019-11-25 | 2020-02-28 | 中国矿业大学 | Laser cladding welding high-entropy alloy AlCoCrFeNi/27SiMn steel composite layer and preparation method thereof |
| CN111411319A (en) * | 2020-03-01 | 2020-07-14 | 苏州科技大学 | Method for preparing nitride-enhanced high-entropy alloy coating by plasma cladding |
| CN113832461A (en) * | 2021-09-23 | 2021-12-24 | 浙江亚通焊材有限公司 | Nickel-based alloy powder for laser cladding, ceramic particle reinforced composite powder and application |
| CN113832461B (en) * | 2021-09-23 | 2024-03-29 | 浙江亚通新材料股份有限公司 | Nickel-based alloy powder for laser cladding, ceramic particle reinforced composite powder and application |
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