CN109023345A - Ternary boride reinforced iron-base wear-resistant coating and preparation method thereof - Google Patents
Ternary boride reinforced iron-base wear-resistant coating and preparation method thereof Download PDFInfo
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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 invention discloses a kind of ternary boride reinforced iron-base wear-resistant coatings and preparation method thereof, belong to the plating field of metal material.Its purpose is to provide a kind of to prepare that simple, coating wear resistance is high, ternary boride reinforced iron-base wear-resistant coating at low cost and preparation method thereof.Ternary boride reinforced iron-base wear-resistant coating of the present invention is the high abrasion iron-based coating being prepared using induction melting and coating process in substrate material surface by including ternary boride powder and ferrous alloy from molten powder or nickel-base alloy from the raw material of molten powder;Preparation method of the invention, comprising the following steps: the preparation of ternary boride powder;The surface treatment of Q235 steel matrix;Incude the preparation of cladding precoated shet;Using induction cladding equipment heating.Ternary boride reinforced iron-base wear-resistant coating of the invention has very high hardness and wearability, and the drag conveyor used in excavator teeth, ball grinding machine lining board, coal mine, bearing etc. need wear-resisting place that can apply.
Description
Technical field
The invention belongs to the plating fields of metal material, more particularly to a kind of iron-based wear-resistant coating and preparation method thereof.
Background technique
The fe-based self-fluxing alloy powders such as Fe60 are the raw material that typical laser prepares high-hardness, wearable alloy coat,
The disadvantage is that fusing point is compared with high, self-fluxing nature is poor, laser cladding layer crack sensitivity is big, is easy to produce stomata etc., the limitation of these disadvantages
The popularity of its application.Especially when using the Laser Clad Deposition preparation high thickness of large scale (> 3mm) friction parts, answer
Crackle caused by power and tissue inter-variable's stress makes the crucial problem for restricting laser forming high performance grinding part.Therefore, for swashing
Light increasing material manufacturing high abrasion ferrous alloy part is needed to start with from design of alloy, be formed by adding activeness and quietness ingredient
New alloying component system, Study of Laser increasing material manufacturing organization of regulation control structure and performance new method.
Ternary boride has the excellent properties such as high rigidity, high bending strength, low-density, wear-resistant, corrosion-resistant, Yi Jiyu
The thermal expansion coefficient of steel matrix close to etc. characteristics, be the ideal cladding material of steel matrix.Ferrous alloy is from a wealth of sources, price is low
It is honest and clean, the hardness and functional when being lower than 200 DEG C, but in cladding with ternary boride is added in iron(-)base powder, with this
It is rare come the research for preparing high abrasion iron-based coating.
Melting and coating technique mainly has at present: laser melting coating, induction cladding, plasma cladding, vacuum cladding, whole heating weight
Molten, Flame tube~+, built-up welding etc..But laser cladding equipment cost is high, the automatic control degree for melting painting process is low, and coating surface is not
Smooth, following process amount is big, and coating is easy to appear cracking and falls off;Plasma cladding coating alloy easily overheats trickling or oxidation is burnt
Damage is serious, and cladding layer often will appear some crackles, and technique requires high;Vacuum cladding needs vacuum environment, practical operation difficulty
Greatly, at high cost;Whole heating remelting is whole heating, big to the heat affecting of matrix;Flame tube~+ is big to the heat affecting of matrix, applies
It is oxidizable when layer melting, and influenced greatly, to be easy to appear uneven surface and inefficiency by manually operated;China's resurfacing welding material
Feature is that stick electrode ratio is big, and manual build up welding is bothersome, take a lot of work, production efficiency is low and big to the dilution rate of matrix.And incude
Melting and coating technique has many advantages such as that bond strength small to the dilution rate of matrix, at low cost, coating is high, working environment cleaning.
Patent CN1970843A discloses a kind of method of plasma spraying preparation of ternary boride base ceramic coating, uses
Plasma spraying method obtains ternary boride (Mo by reaction in-situ on steel material surface2FeB2) based ceramic metal painting
Layer, using normalized treatment, makes to chemically react between coating and basis material, forms reaction interface, and wearability obtains very
It is big to improve, but preparation technology of coating is complex.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of ternary boride reinforced iron-base wear-resistant coatings
And preparation method thereof, preparation method of the present invention is simple, and the iron-based coating of preparation has higher hardness and splendid abrasion resistance properties,
It is at low cost, it is easy to accomplish industrialization.
The present invention relates to a kind of ternary boride reinforced iron-base wear-resistant coating, the coating is by including ternary boride powder
The raw material at end and self-dissolving alloy powder, the iron-based painting of high abrasion being prepared using induction melting and coating process in substrate material surface
Layer;The self-dissolving alloy powder includes ferrous alloy from powder or nickel-base alloy is melted from molten powder;
The ternary boride powder is prepared according to the following steps:
TiO is weighed respectively2Powder, Cr2O3Powder, B4C powder, C powder, are mixed to get mixed-powder 1, into mixed-powder 1
Suitable water-soluble organic gel and pure water is added;Cr is prepared by ball mill mixing, mist projection granulating, reaction-sintered0.1~ 0.9Ti0.1~0.9B2, i.e. ternary boride powder;The water solubility organic gel is polyvinyl alcohol, carboxymethyl cellulose, Arabic tree
One of glue, dextrin or a variety of mixing.
Preferably, described matrix material includes Q235 steel as matrix material.
Preferably, the ternary boride powder is prepared according to the following steps:
Weigh 26.6 parts of TiO respectively according to mass fraction2Powder, 35.9 parts of Cr2O3Powder, 25.9 parts of B4C powder, 11.6
Part C powder, is mixed to get mixed-powder 1, and suitable water-soluble organic gel and pure water are added into mixed-powder 1;By ball milling
Cr is prepared in mixing, mist projection granulating, reaction-sintered0.5Ti0.5B2, i.e. ternary boride powder.
The invention further relates to a kind of preparation method of ternary boride reinforced iron-base wear-resistant coating, the preparation method includes
Following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively according to mass fraction2Powder, Cr2O3Powder, B4C powder
End, C powder, are mixed to get mixed-powder 1, and suitable water-soluble organic gel and pure water are added into mixed-powder 1;By ball milling
Cr is prepared in mixing, mist projection granulating, reaction-sintered0.1~0.9Ti0.1~0.9B2, i.e. ternary boride powder;
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and self-dissolving alloy powder are pressed
Certain ratio is mixed to get alloy powder, and suitable waterglass is added into alloy powder and deionized water is modulated into paste painting
It is overlying on matrix surface, forms one layer of preset coating;
(4) above-mentioned preset coating is heated using induction cladding equipment, preset coating and part Q235 steel is made to melt to be formed
Simultaneously metallurgical reaction occurs for molten bath, forms ternary boride reinforced iron-base wear-resistant coating of the invention;
The water solubility organic gel is one of polyvinyl alcohol, carboxymethyl cellulose, gum arabic, dextrin or more
Kind.
Preferably, in the step (1) additional amount of water-soluble organic gel be mixed-powder 1 0.5~1.5wt%, it is pure
The additional amount of water purification is the pure water that 1~1.5L is added in 1kg mixed-powder 1.
Preferably, in the ball mill mixing of the step (1) ball mill revolving speed be 100~500r/min, Ball-milling Time 1~
5h。
Preferably, sintering schedule in the step (1) are as follows: Ar2Protection controls temperature at 1200~1500 DEG C, heat preservation
Between 2h, furnace cooling.
Preferably, ternary boride powder diameter prepared in the step (1) is 10~150 μm.
Preferably, in the step (3) ternary boride and self-dissolving alloy powder mass ratio: 1~30:70~99.
Preferably, the additional amount of waterglass accounts for 1~9wt% of alloy powder in the step (3);The addition of deionized water
Amount accounts for 5~15wt% of alloy powder.
Preferably, in the step (3) preset coating with a thickness of 0.5mm~5mm.
Preferably, induction cladding equipment is HF induction heating apparatus in the step (4), and heated current used is
500~700A, induction coil are 0.5mm~5mm at a distance from sample.
Ternary boride reinforced iron-base wear-resistant coating of the present invention and preparation method thereof difference from prior art is:
(1) the present invention provides a kind of new ternary boride (Cr0.1~0.9Ti0.1~0.9B2) enhancing iron-based coating preparation
Method, using induction cladding prepares coating in method of the invention.
(2) iron-based coating obtained by the present invention has very high hardness and wearability, serves as a contrast in excavator teeth, ball mill
Drag conveyor used in plate, coal mine, bearing etc. need wear-resisting place that can apply.
Detailed description of the invention
Fig. 1 is that the ternary boride that embodiment 3 obtains enhances iron-based high abrasion coating cross sections shape appearance figure;
Fig. 2 is the X-ray diffractogram that the ternary boride that embodiment 3 obtains enhances iron-based high abrasion coating.
Specific embodiment
By following embodiment and verification test to ternary boride reinforced iron-base wear-resistant coating of the invention and its preparation
Method is further described.
Embodiment 1
The ternary boride reinforced iron-base wear-resistant coating of the present embodiment is prepared according to the following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder 26.6kg, Cr2O3Powder 35.9kg, B4C powder
25.9kg, C powder 11.6kg, Fe powder 2kg, are mixed to get mixed-powder 1, into mixed-powder 1 be added 1.5kg polyvinyl alcohol and
100L pure water;By ball mill mixing, the revolving speed of ball mill is 300r/min, Ball-milling Time 2h, mist projection granulating, reaction-sintered
(sintering schedule are as follows: Ar2Protection, control temperature is at 1300~1350 DEG C, soaking time 2h, furnace cooling) it is prepared
Cr0.5Ti0.5B2, i.e. ternary boride powder (prepared ternary boride powder diameter be 10~150 μm);
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and Fe60 alloy powder are pressed
Mass ratio is that 1:99 is mixed to get alloy powder, and the waterglass of alloy powder 5wt% is added into alloy powder and 10wt% is gone
Ionized water is modulated into paste coated on matrix surface, forms one layer of preset coating, preset coating with a thickness of 1mm;
(4) using induction cladding equipment, (for HF induction heating apparatus, heated current used is induction cladding equipment
700A, induction coil are 0.5mm at a distance from sample.) the above-mentioned preset coating of heating, keep preset coating and part Q235 steel molten
Change forms molten bath and metallurgical reaction occurs, and forms the ternary boride reinforced iron-base wear-resistant coating of the present embodiment.
Embodiment 2
The ternary boride reinforced iron-base wear-resistant coating of the present embodiment is prepared according to the following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder 26.6kg, Cr2O3Powder 35.9kg, B4C powder
25.9kg, C powder 11.6kg, Fe powder 2kg, are mixed to get mixed-powder 1, into mixed-powder 1 be added 1.5kg polyvinyl alcohol and
100L pure water;By ball mill mixing, the revolving speed of ball mill is 300r/min, Ball-milling Time 2h, mist projection granulating, reaction-sintered
(sintering schedule are as follows: H2Protection, control temperature is at 1350~1400 DEG C, soaking time 2h, furnace cooling) it is prepared
Cr0.5Ti0.5B2, i.e. ternary boride powder (prepared ternary boride powder diameter be 90~140 μm);
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: by the certainly molten powder of the ternary boride powder of step (1) preparation and nickel-base alloy
End is mixed to get alloy powder in mass ratio for 2:98, be added into alloy powder alloy powder 5wt% waterglass and
10wt% deionized water is modulated into paste coated on matrix surface, forms one layer of preset coating, preset coating with a thickness of 1mm;
(4) using induction cladding equipment, (for HF induction heating apparatus, heated current used is induction cladding equipment
700A, induction coil are 1mm at a distance from sample.) the above-mentioned preset coating of heating, melt preset coating and part Q235 steel
It forms molten bath and metallurgical reaction occurs, form the ternary boride reinforced iron-base wear-resistant coating of the present embodiment.
Embodiment 3
The ternary boride reinforced iron-base wear-resistant coating of the present embodiment is prepared according to the following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder 26.6kg, Cr2O3Powder 35.9kg, B4C powder
25.9kg, C powder 11.6kg, Fe powder 2kg, are mixed to get mixed-powder 1, into mixed-powder 1 be added 1.5kg polyvinyl alcohol and
100L pure water;By ball mill mixing, the revolving speed of ball mill is 100r/min, Ball-milling Time 5h, mist projection granulating, reaction-sintered
(sintering schedule are as follows: Ar2Protection, control temperature is at 1400~1450 DEG C, soaking time 2h, furnace cooling) it is prepared
Cr0.5Ti0.5B2, i.e. ternary boride powder (prepared ternary boride powder diameter be 100~150 μm);
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and Fe60 alloy powder are pressed
Mass ratio is that 3:97 is mixed to get alloy powder, and the waterglass of alloy powder 5wt% is added into alloy powder and 10wt% is gone
Ionized water is modulated into paste coated on matrix surface, forms one layer of preset coating, preset coating with a thickness of 1mm;
(4) using induction cladding equipment, (for HF induction heating apparatus, heated current used is induction cladding equipment
700A, induction coil are 5mm at a distance from sample) the above-mentioned preset coating of heating, melt preset coating and part Q235 steel
It forms molten bath and metallurgical reaction occurs, form the ternary boride reinforced iron-base wear-resistant coating of the present embodiment.
Embodiment 4
The ternary boride reinforced iron-base wear-resistant coating of the present embodiment is prepared according to the following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder 7kg, Cr2O3Powder 57kg, B4C powder 23kg,
C powder 11kg, Fe powder 2kg, is mixed to get mixed-powder 1, and 1.5kg polyvinyl alcohol and 100L pure water are added into mixed-powder 1;
By ball mill mixing, the revolving speed of ball mill is 500r/min, Ball-milling Time 1h, mist projection granulating, reaction-sintered (sintering schedule are as follows:
Ar2Protection, control temperature is at 1320~1380 DEG C, soaking time 2h, furnace cooling) Cr is prepared0.9Ti0.1B2, i.e. ternary boron
Compound powder (prepared ternary boride powder diameter is 10~100 μm);
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and Fe60 alloy powder are pressed
Mass ratio is that 3:99 is mixed to get alloy powder, and the waterglass of alloy powder 5wt% is added into alloy powder and 10wt% is gone
Ionized water is modulated into paste coated on matrix surface, forms one layer of preset coating, preset coating with a thickness of 1mm;
(4) using induction cladding equipment, (for HF induction heating apparatus, heated current used is induction cladding equipment
700A, induction coil are 4mm at a distance from sample.) the above-mentioned preset coating of heating, melt preset coating and part Q235 steel
It forms molten bath and metallurgical reaction occurs, form the ternary boride reinforced iron-base wear-resistant coating of the present embodiment.
Embodiment 5
The ternary boride reinforced iron-base wear-resistant coating of the present embodiment is prepared according to the following steps:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder 13kg, Cr2O3Powder 49kg, B4C powder
23kg, C powder 10kg, Fe powder 5kg, are mixed to get mixed-powder 1, and 1.5kg polyvinyl alcohol is added into mixed-powder 1 and 100L is pure
Water purification;By ball mill mixing, the revolving speed of ball mill is 300r/min, Ball-milling Time 2h, mist projection granulating, reaction-sintered (sintering system
Degree are as follows: Ar2Protection, control temperature is at 1380~1400 DEG C, soaking time 2h, furnace cooling) Cr is prepared0.8Ti0.2B2, i.e.,
Ternary boride powder (prepared ternary boride powder diameter is 90~120 μm);
(2) surface treatment of Q235 steel matrix: first polishing to Q235 steel matrix with emergy turbine, removes surface
Rusty stain and increase the roughness on surface, then polished flat with sand paper, it is clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and Fe60 alloy powder are pressed
Mass ratio is that 3:97 is mixed to get alloy powder, and the waterglass of alloy powder 5wt% is added into alloy powder and 10wt% is gone
Ionized water is modulated into paste coated on matrix surface, forms one layer of preset coating, preset coating with a thickness of 0.5mm;
(4) using induction cladding equipment, (for HF induction heating apparatus, heated current used is induction cladding equipment
700A, induction coil are 0.8mm at a distance from sample) the above-mentioned preset coating of heating, keep preset coating and part Q235 steel molten
Change forms molten bath and metallurgical reaction occurs, and forms the ternary boride reinforced iron-base wear-resistant coating of the present embodiment.
Verification test
Institutional framework, hardness, wearability experiment are carried out to the iron-based wear-resistant coating of the obtained ternary boride of embodiment.Benefit
The X-ray diffractometer of the model SmartLab produced with Rigaku (uses copper target K alpha radiation, wavelength is)
Material phase analysis is carried out to coating structure, test results are shown in figure 2.Using the digital microhardness testers of HXD-1000TM to iron-based
Coating takes 5 points of measurement hardness, obtains the average Vickers hardness of the coating, load 200g.Using Lanzhou Physical and Chemical Inst.
HT-600 type high temperature friction and wear testing machine test iron-based coating polishing machine, Wear specimens having a size of 10mm × 10mm ×
10mm, test condition: being steel ball (GCr15, hardness 810HV) to abrading-ball, and added load 1140g, fraze 2mm turn
Speed is 498r/min, wearing- in period 60min, and temperature is room temperature, drying is unlubricated, forward and backward testing, and test specimen is put into and is filled
In the beaker of alcohol, cleaned in ultrasonic washing instrument 20 minutes, it is then sufficiently dry.Experiment uses Fe60 powder preparation coatings
As a comparison, the relative wear resistance of the ratio between contrast piece weight loss and measuring piece weight loss as the ingredient.
Fig. 1 is that the obtained ternary boride of embodiment 3 enhances iron-based high abrasion coating cross sections shape appearance figure, can be with from figure
Find out, it is metallurgical bonding that coating and matrix, which have apparent " white band ", and cladding layer is by connection adult and the shallower a phase of color
B phase (the Cr of (γ-(Cr-Ni-Fe-C)) and grey7C3、Cr2B、Fe1.1Cr0.9B0.9), in the eutectic structure c of layered distribution
(TiB2、Cr0.5Ti0.5B2) and be distributed on crystal boundary dotted precipitate d (various hardening constituent particles) composition.Fig. 2 is embodiment 3
Obtained ternary boride enhances iron-based high abrasion coating X-ray diffractogram, and the chart is bright, and γ-(Cr-Ni- is contained in coating
Fe-C) phase, ternary boride Cr0.1~0.9Ti0.1~0.9B2、TiB2、Cr7C3、Cr2B、Fe1.1Cr0.9B0.9Etc. phases.
Table 1 lists the hardness of embodiment 1-5 coating and comparative example, wear weight loss amount and relative wear resistance, coating it is hard
Degree is all larger than comparative example, and relative wear resistance is 5 times of comparative example or more.
Hardness, wear weight loss amount and the relative wear resistance of 1 embodiment 1-5 of table and comparative example Fe60 coating
Embodiment | Average hardness/HV0.2 | Wear weight loss/mg | Relative wear resistance |
1 | 742 | 1.2 | 5.7 |
2 | 760 | 1.1 | 6.18 |
3 | 791 | 0.8 | 8.5 |
4 | 685 | 1.7 | 4 |
5 | 703 | 1.5 | 4.5 |
Comparative example Fe60 | 542 | 6.8 | 1 |
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (10)
1. a kind of ternary boride reinforced iron-base wear-resistant coating, it is characterised in that: the coating is by including ternary boride powder
The raw material at end and self-dissolving alloy powder, the iron-based painting of high abrasion being prepared using induction melting and coating process in substrate material surface
Layer;
The ternary boride powder is prepared according to the following steps:
TiO is weighed respectively2Powder, Cr2O3Powder, B4C powder, C powder, are mixed to get mixed-powder 1, are added into mixed-powder 1
Water-soluble organic gel and pure water;Cr is prepared by ball mill mixing, mist projection granulating, reaction-sintered0.1~0.9Ti0.1~0.9B2,
That is ternary boride powder;The water solubility organic gel is polyvinyl alcohol, in carboxymethyl cellulose, gum arabic, dextrin
It is one or more.
2. a kind of preparation method of ternary boride reinforced iron-base wear-resistant coating, it is characterised in that: the preparation method include with
Lower step:
(1) preparation of ternary boride powder: TiO is weighed respectively2Powder, Cr2O3Powder, B4C powder, C powder, are mixed to get mixing
Water-soluble organic gel and pure water are added into mixed-powder 1 for powder 1;By ball mill mixing, mist projection granulating, reaction-sintered system
It is standby to obtain Cr0.1~0.9Ti0.1~0.9B2, i.e. ternary boride powder;
(2) it the surface treatment of Q235 steel matrix: is polished first with emergy turbine Q235 steel matrix, removes the rust on surface
Mark and the roughness for increasing surface, are then polished flat with sand paper, clean with alcohol wipe and dry up;
(3) incude the preparation of cladding precoated shet: the ternary boride powder of step (1) preparation and self-dissolving alloy powder are mixed
To alloy powder, waterglass is added into alloy powder and deionized water is modulated into paste coated on matrix surface, forms one layer
Preset coating;
(4) above-mentioned preset coating is heated using induction cladding equipment, preset coating and part Q235 steel is made to melt to form molten bath
And metallurgical reaction occurs, form ternary boride reinforced iron-base wear-resistant coating of the invention;
The water solubility organic gel is one of polyvinyl alcohol, carboxymethyl cellulose, gum arabic, dextrin or a variety of.
3. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 2, it is characterised in that: described
The additional amount of water-soluble organic gel is 0.5~1.5wt% of mixed-powder 1 in step (1), and the additional amount of pure water is 1kg mixed
Close the pure water that 1~1.5L is added in powder 1.
4. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 3, it is characterised in that: described
The revolving speed of ball mill is 100~500r/min, 1~5h of Ball-milling Time in the ball mill mixing of step (1).
5. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 4, it is characterised in that: described
Sintering schedule in step (1) are as follows: Ar2Protection, control temperature is at 1200~1500 DEG C, soaking time 2h, furnace cooling.
6. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 5, it is characterised in that: described
Prepared ternary boride powder diameter is 10~150 μm in step (1).
7. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 6, it is characterised in that: described
The mass ratio of ternary boride and self-dissolving alloy powder is 1~30:70~99 in step (3).
8. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 7, it is characterised in that: described
The additional amount of waterglass accounts for 1~9wt% of alloy powder in step (3);The additional amount of deionized water account for alloy powder 5~
15wt%.
9. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 8, it is characterised in that: described
Preset coating with a thickness of 0.5mm~5mm in step (3).
10. the preparation method of ternary boride reinforced iron-base wear-resistant coating according to claim 9, it is characterised in that: institute
Stating induction cladding equipment in step (4) is HF induction heating apparatus, and heated current used is 500~700A, induction coil
With at a distance from sample be 0.5mm~5mm.
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CN1502714A (en) * | 2002-11-26 | 2004-06-09 | 山东大学 | Ternary boride base metal ceramic covering layer material and preparation technology thereof |
CN102191498A (en) * | 2011-05-06 | 2011-09-21 | 北京科技大学 | Preparation method for wear-resistant corrosion-resistant coating from coarse granular titanium-carbide-based powder |
US20140262542A1 (en) * | 2013-03-15 | 2014-09-18 | Smith International, Inc. | Downhole tools including ternary boride-based cermet and methods of making the same |
-
2018
- 2018-08-08 CN CN201810896243.6A patent/CN109023345B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1502714A (en) * | 2002-11-26 | 2004-06-09 | 山东大学 | Ternary boride base metal ceramic covering layer material and preparation technology thereof |
CN102191498A (en) * | 2011-05-06 | 2011-09-21 | 北京科技大学 | Preparation method for wear-resistant corrosion-resistant coating from coarse granular titanium-carbide-based powder |
US20140262542A1 (en) * | 2013-03-15 | 2014-09-18 | Smith International, Inc. | Downhole tools including ternary boride-based cermet and methods of making the same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112708883A (en) * | 2020-12-22 | 2021-04-27 | 东北大学 | Preparation method of superhard boron carbide ceramic reinforced iron-based alloy composite wear-resistant coating |
CN112708883B (en) * | 2020-12-22 | 2022-03-22 | 东北大学 | Preparation method of superhard boron carbide ceramic reinforced iron-based alloy composite wear-resistant coating |
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