CN106926146A - A kind of nanometer combines superhard micro mist and piles up abrasive material and preparation method thereof - Google Patents
A kind of nanometer combines superhard micro mist and piles up abrasive material and preparation method thereof Download PDFInfo
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- CN106926146A CN106926146A CN201710247267.4A CN201710247267A CN106926146A CN 106926146 A CN106926146 A CN 106926146A CN 201710247267 A CN201710247267 A CN 201710247267A CN 106926146 A CN106926146 A CN 106926146A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
The invention discloses the preparation method that a kind of nanometer of superhard micro mist of combination piles up abrasive material, belong to superhard material and precision grinding machining field, detailed process is：Prepare SiO2Colloidal sol, superhard powder is added under ultrasound and mechanical agitation, persistently stirs 1~3h, and in 80~120 DEG C of 1~3h of drying, obtain the superhard micro mist of Surface Oxygen SiClx treatment；Then preparation of nano ceramic sol, by treatment after superhard micro mist insert three-dimensional material mixer, poly-vinyl alcohol solution and nano ceramics colloidal sol are sequentially added under stirring, 2~5h of batch mixing after aging 5~10h, dries 3~5h at 100~150 DEG C；2~5h of heat treatment is finally carried out at 450~550 DEG C, then broken, sieve classification, obtain the superhard accumulation abrasive material of nanometer combination.The method that the present invention is provided, solves the problems, such as the superhard powder size reconstruction of fine granularity in certain limit, has low cost, instant effect relative to HTHP diauxic growth, prepares the outstanding advantages such as simple and effect is significant.
Description
Technical field
The invention belongs to superhard material and precision grinding machining field, more particularly to a kind of nanometer combines superhard micro mist
Pile up abrasive material and preparation method thereof.
Background technology
It is that relative to bulky grain abrasive material, it is adding by the felted caking of binding agent by fine granularity abrasive material to pile up abrasive material
During work, the advantages of long service life, self-sharpening are high, grinding efficiency is high, cutting force is balanced is shown, therefore, pile up abrasive material
Increasingly paid attention to by grinding tool manufacturer.
Superhard micro mist refers to the diamond or cubic boron nitride particle that granularity is narrower than 36/54 μm, there is monocrystalline and polycrystalline etc.
Multi-form.In order to meet customer need, people generally need to carry out grading to superhard material, and larger granularity is general
The product for needing is obtained by the method for cracking and sorting；Also there is the superhard micro mist of many direct growths, usually polycrystalline form.Greatly
Can crush, the very small application such as particle diameter less than 0.5 μm is quite varied, but in 0.5~2 μ m
The application of submicro scale powder is then fewer.
Existing accumulation abrasive material is usual in larger particle size range, for the report that the superhard powder of Ultra-fine piles up abrasive material
Also fewer, most abrasive materials of piling up need high-temperature process in addition, the risk that there is superhard powder oxidation deterioration.
The content of the invention
In order to solve problems of the prior art, the present invention carries out granularity reconstruction, carries using nano-grade ceramic binding agent
A kind of nanometer of superhard micro mist of combination has been supplied to pile up the preparation method of abrasive material.
Specifically, the nanometer that the present invention is provided combines the preparation method that superhard micro mist piles up abrasive material, specifically according to following step
It is rapid to implement：
S1：Superhard powder surface nanometer cladding treatment
S11：According to volume ratio 1：1.5~2.5：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively,
Mixed liquor is formed after being sufficiently mixed, by mixed liquor under 45~60 DEG C of water-baths 10~30min of mechanical agitation, be then slowly added into dilute
, to colloidal sol homogeneous transparent, finally 1~3h of uniform stirring on magnetic stirring apparatus, obtains SiO for nitric acid or watery hydrochloric acid2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2Superhard powder is added in colloidal sol, 1~3h is persistently stirred, so
Natural subsidence, through filtering and washing, in 80~120 DEG C of 1~3h of drying, obtains the superhard micro mist of Surface Oxygen SiClx treatment afterwards；
S2：Method according to S11 prepares SiO2Colloidal sol, under mechanical agitation, to the SiO for preparing2Slowly add in colloidal sol
Enter the mixed solution and aluminum nitrate solution and BAS of sodium nitrate solution or potassium nitrate solution or sodium nitrate and potassium nitrate,
Regulation pH value continues to stir 0.5~2h to 7.2~8.2, obtains nano ceramics colloidal sol；
When add be sodium nitrate solution or potassium nitrate solution when, solution concentration be 0.5~2mol/L, sodium nitrate or nitric acid
Potassium with prepare silester used by nano ceramics colloidal sol and mol ratio be 1：1.5~3；
When add be the mixed solution of sodium nitrate and potassium nitrate when, mixed solution concentration be 0.5~2mol/L, mix it is molten
The mol ratio of sodium nitrate and potassium nitrate is 1~2 in liquid：1~2, sodium nitrate and potassium nitrate with prepare used by nano ceramics colloidal sol
Silester and mol ratio be 1：1.5~3；
Aluminum nitrate solution concentration is 0.5~2mol/L, and aluminum nitrate is 1 with the mol ratio of the silester：2~3；Boric acid
Solution concentration is 0.5~2mol/L, and boric acid is 1 with the mol ratio of the silester：1.5~2；
S3：The superhard micro mist of Surface Oxygen SiClx treatment is inserted into three-dimensional material mixer, poly- second is firstly added under stirring
Enolate solution, poly-vinyl alcohol solution addition be three-dimensional material mixer in Surface Oxygen SiClx treatment superhard micro mist quality 1~
3%, it is then slowly added into the nano ceramics colloidal sol, the SiO in control nano ceramics colloidal sol2It is super with the treatment of Surface Oxygen SiClx
The mass ratio of hard micro mist is 0.5~3：100, then 2~5h of batch mixing, after aging 5~10h, dry 3 at 100~150 DEG C~
5h；
S4：Superhard micro mist after S3 is processed carries out 2~5h of heat treatment at 450~550 DEG C, and then broken, basis is pre-
Provisioning request sieve classification, obtains the superhard accumulation abrasive material of nanometer combination.
Preferably, in S11, the concentration of the dust technology or watery hydrochloric acid is 0.5~2mol/L.
Preferably, in S12, the superhard powder is superhard micro mist that fine granularity is 0.5~2 μm.
Preferably, in S2, pH value to 7.2~8.2 is adjusted by 10% ammoniacal liquor.
Preferably, in S3, the mass fraction of poly-vinyl alcohol solution used is 5%~8%.
The nanometer that the above method is prepared combines superhard micro mist and piles up abrasive material, and self-sharpening is good, shape retention is good.
The nanometer that the above method is prepared combines superhard micro mist and piles up abrasive material, is widely used, and is particularly piling up abrasive material
Application in terms of abrasive band, fixed-abrasive wire saw, polycrystalline resin abrasive tools, lapping liquid or antiscuffing paste.
Technical scheme has the advantages that：
(1) the invention provides the preparation method that a kind of nanometer of superhard micro mist of combination piles up abrasive material, certain limit is solved
The problem of superhard micro mist (diamond or cubic boron nitride) the granularity reconstruction of interior fine granularity (particularly fine granularity is 0.5~2 μm), phase
There is low cost, instant effect for HTHP diauxic growth, the outstanding advantages such as simple and effect is significant are prepared；
(2) in preparation process, by introducing inorganic nano vitrified bond between superhard micro powder granule so that pile up mill
Material self-sharpening is good, shape retention is good and is not easily blocked, and accumulation abrasive grain is controllable, and obtained nanometer combines superhard micro mist
Pile up abrasive material reactivity strong, sintering temperature is low, far below 700 DEG C of diamond and 850 DEG C of cubic boron nitride, solution well
Accumulation abrasive material in the prior art of having determined needs high-temperature process, there is a problem of superhard powder oxidation deterioration, with very strong
Applicability, has broad application prospects in accurate grinding and polishing fields such as superhard abrasive band, consolidation scroll saw, abrasive pastes and polishing fluids.
(3) nanometer that the present invention is provided combines the preparation method that superhard micro mist piles up abrasive material, also can well be applied to it
In his grained ultrahard micro mist, and other species micron powers, with good practicality.
Specific embodiment
In order that those skilled in the art more fully understand that technical scheme can be practiced, with reference to specific
The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
When embodiment provides number range, it should be appreciated that except non-invention is otherwise noted, two ends of each number range
Any one numerical value can select between point and two end points.Unless otherwise defined, in the present invention all technologies for using and
Scientific terminology is identical with the meaning that those skilled in the art of the present technique are generally understood that.Except the specific method, equipment used in embodiment,
Outside material, grasp and record of the invention according to those skilled in the art to prior art can also be used and this
Any method, equipment and material in the similar or equivalent prior art of method, equipment described in inventive embodiments, material come real
The existing present invention.
The superhard micro mist of a kind of nanometer of combination of the present invention piles up the preparation method of abrasive material, specifically implements in accordance with the following steps：
S1：Superhard powder surface nanometer cladding treatment
S11：According to volume ratio 1：1.5~2.5：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively,
Mixed liquor is formed after being sufficiently mixed, by mixed liquor under 45~60 DEG C of water-baths 10~30min of mechanical agitation, be then slowly added into dilute
, to colloidal sol homogeneous transparent, finally 1~3h of uniform stirring on magnetic stirring apparatus, obtains SiO for nitric acid or watery hydrochloric acid2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2Superhard powder, superhard powder and SiO are added in colloidal sol2Colloidal sol
In SiO2Mass ratio is 0.8~2.5, persistently stirs 1~3h, then natural subsidence, through filtering and washing, at 80~120 DEG C
1~3h is dried, the superhard micro mist of Surface Oxygen SiClx treatment is obtained；
S2：Method according to S11 prepares SiO2Colloidal sol, under mechanical agitation, to the SiO for preparing2Slowly add in colloidal sol
Enter the mixed solution and aluminum nitrate solution and BAS of sodium nitrate solution or potassium nitrate solution or sodium nitrate and potassium nitrate,
Regulation pH value continues to stir 0.5~2h to 7.2~8.2, obtains nano ceramics colloidal sol；
When add be sodium nitrate solution or potassium nitrate solution when, solution concentration be 0.5~2mol/L, sodium nitrate or nitric acid
Potassium with prepare silester used by nano ceramics colloidal sol and mol ratio be 1：1.5~3；
When add be the mixed solution of sodium nitrate and potassium nitrate when, mixed solution concentration be 0.5~2mol/L, mix it is molten
The mol ratio of sodium nitrate and potassium nitrate is 1~2 in liquid：1~2, sodium nitrate and potassium nitrate with prepare used by nano ceramics colloidal sol
Silester and mol ratio be 1：1.5~3；
Aluminum nitrate solution concentration is 0.5~2mol/L, and aluminum nitrate is 1 with the mol ratio of the silester：2~3；Boric acid
Solution concentration is 0.5~2mol/L, and boric acid is 1 with the mol ratio of the silester：1.5~2；
S3：The superhard micro mist of Surface Oxygen SiClx treatment is inserted into three-dimensional material mixer, poly- second is firstly added under stirring
Enolate solution, poly-vinyl alcohol solution addition be three-dimensional material mixer in Surface Oxygen SiClx treatment superhard micro mist quality 1~
3%, it is then slowly added into the nano ceramics colloidal sol, the SiO in control nano ceramics colloidal sol2It is super with the treatment of Surface Oxygen SiClx
The mass ratio of hard micro mist is 0.5~3：100, then 2~5h of batch mixing, after aging 5~10h, dry 3 at 100~150 DEG C~
5h；
S4：Superhard micro mist after S3 is processed carries out 2~5h of heat treatment at 450~550 DEG C, and then broken, basis is pre-
Provisioning request sieve classification, obtains the superhard accumulation abrasive material of nanometer combination.
Technical scheme is further illustrated by with reference to specific embodiment.
Embodiment 1
A kind of nanometer of bonded diamond micro mist of the present embodiment piles up the preparation method of abrasive material, and specific preparation process is：
S1：The treatment of diadust nano surface cladding
S11：According to volume ratio 1：1.5：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively, fully mixed
Mixed liquor is formed after conjunction, by mixed liquor under 45 DEG C of water-baths mechanical agitation 30min, be then slowly added into the dust technology of 2mol/L extremely
Colloidal sol homogeneous transparent, finally the uniform stirring 3h on magnetic stirring apparatus, obtains SiO2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2Diadust, diadust and SiO are added in colloidal sol2
SiO in colloidal sol2Mass ratio is 2, and the diadust granularity is 0.5~1 μm, persistently stirs 1h, then natural subsidence, is passed through
Filter and washing, 1h is dried at 120 DEG C, obtains the diadust of Surface Oxygen SiClx cladding treatment；
S2：SiO is prepared according to the method described above2Colloidal sol, under mechanical agitation, to the SiO for preparing2Delay respectively in colloidal sol
The BAS of the sodium nitrate solution, the aluminum nitrate solution of 1mol/L and 1mol/L of slow addition 1mol/L, using 10% ammoniacal liquor
Regulation pH value continues to stir 1h to 7.2, obtains nano ceramics colloidal sol；
Sodium nitrate with prepare silester used by nano ceramics colloidal sol and mol ratio be 1：2, aluminum nitrate is received with preparation
The mol ratio of the silester used by rice ceramic sol is 1：2, boric acid with prepare silester used by nano ceramics colloidal sol
Mol ratio is 1：2；
S3：The diadust of Surface Oxygen SiClx treatment is inserted into three-dimensional material mixer, energy is firstly added under stirring
Enough strengthen the poly-vinyl alcohol solution (7wt%) of adhesion property, be then slowly added into the nano ceramics colloidal sol, poly-vinyl alcohol solution
Addition is the 1% of the diadust quality of Surface Oxygen SiClx treatment in three-dimensional material mixer；The addition of nano ceramics colloidal sol
By the SiO in Nano sol2Controlled with the mass ratio of diadust, the SiO in control nano ceramics colloidal sol2With Buddha's warrior attendant
The mass ratio of stone micro mist is 2：100, then batch mixing 2h, after aging 5h, 3h is dried at 100 DEG C；
S4：Diadust after S3 is processed carries out heat treatment 5h at 450 DEG C, and then broken, sieve classification, obtains
The diamond that the nanometer of different model is combined piles up abrasive material.
Embodiment 2
A kind of nanometer of the present embodiment combines the preparation method that polycrystalline diamond micro mist piles up abrasive material, and specific preparation process is：
S1：The treatment of polycrystalline diamond micro mist nano surface cladding
S11：According to volume ratio 1：2.5：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively, fully mixed
Mixed liquor is formed after conjunction, by mixed liquor under 60 DEG C of water-baths mechanical agitation 10min, be then slowly added into 0.5mol/L watery hydrochloric acid extremely
Colloidal sol homogeneous transparent, finally the uniform stirring 1h on magnetic stirring apparatus, obtains SiO2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2Polycrystalline diamond powder, polycrystalline diamond are added in colloidal sol
Micro mist and SiO2SiO in colloidal sol2Mass ratio is 2.5, and the polycrystalline diamond granularity is 0.5~2 μm, persistently stirs 3h, then certainly
So sedimentation, through filtering and washing, 3h is dried at 80 DEG C, obtains the polycrystalline diamond micro mist of Surface Oxygen SiClx treatment；
S2：SiO is prepared according to the method described above2Colloidal sol, under mechanical agitation, to the SiO for preparing2Slowly add in colloidal sol
Enter the sodium nitrate of 1mol/L and the BAS of potassium nitrate mixed solution, the aluminum nitrate solution of 1mol/L and 1mol/L, it is above-mentioned
In mixed solution, the mol ratio of sodium nitrate and potassium nitrate is 1:1, pH value to 8.2 is then adjusted using 10% ammoniacal liquor, continue to stir
0.5h, obtains nano ceramics colloidal sol；
Sodium nitrate and potassium nitrate mixed solution with prepare silester used by nano ceramics colloidal sol and mol ratio be 1：
1.5, aluminum nitrate is 1 with the mol ratio of silester：2, boric acid is 1 with the mol ratio of silester：2；
S3：The polycrystalline diamond micro mist of Surface Oxygen SiClx treatment is inserted into three-dimensional material mixer, is added first under stirring
Enter poly-vinyl alcohol solution (7wt%), be then slowly added into the nano ceramics colloidal sol, poly-vinyl alcohol solution addition is three-dimensional mixed
The 3% of the polycrystalline diamond quality of Surface Oxygen SiClx treatment in material machine；SiO in control colloidal sol2With polycrystalline diamond micro mist
Mass ratio is 3：100, then batch mixing 5h, after aging 10h, 5h is dried at 150 DEG C；
S4：Polycrystalline diamond micro mist after S3 is processed carries out heat treatment 2h at 450 DEG C, then broken, sieve classification,
Obtain the polycrystalline diamond accumulation abrasive material that the nanometer of different model is combined.
Embodiment 3
A kind of nanometer of the present embodiment combines the preparation method that CBN micro mists pile up abrasive material, and specific preparation process is：
S1：The nanometer cladding treatment of CBN powder surfaces
S11：According to volume ratio 1：2：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively, is sufficiently mixed
After form mixed liquor, by mixed liquor under 55 DEG C of water-baths mechanical agitation 25min, be then slowly added into 1mol/L watery hydrochloric acid to colloidal sol
Homogeneous transparent, finally the uniform stirring 2h on magnetic stirring apparatus, obtains SiO2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2CBN powders, CBN powders and SiO are added in colloidal sol2In colloidal sol
SiO2Mass ratio is 2.5, and the CBN powders are the superhard micro mist that fine granularity is between 0.5~2 μm, persistently stir 2h, then certainly
So sedimentation, through filtering and washing, 2.5h is dried at 105 DEG C, obtains the CBN powders of Surface Oxygen SiClx treatment；
S2：SiO is prepared according to the method described above2Colloidal sol, under mechanical agitation, to the SiO for preparing2Slowly add in colloidal sol
Enter the BAS of the potassium nitrate mixed solution, the aluminum nitrate solution of 1mol/L and 1mol/L of 1mol/L, then using 10%
Ammoniacal liquor adjusts pH value to 8.2, continues to stir 0.5h, obtains nano ceramics colloidal sol；
Potassium nitrate solution with prepare silester used by nano ceramics colloidal sol and mol ratio be 1：2.5, aluminum nitrate with
The mol ratio of silester is 1：2.5, boric acid is 1 with the mol ratio of silester：2；
S3：The CBN micro mists of Surface Oxygen SiClx treatment are inserted into three-dimensional material mixer, polyethylene is firstly added under stirring
Alcoholic solution (5wt%), is then slowly added into the nano ceramics colloidal sol, and poly-vinyl alcohol solution addition is table in three-dimensional material mixer
The 2.2% of the CBN micro mist quality of face silica treatment；SiO in control colloidal sol2With the mass ratio of CBN micro mists 2.4：100,
Then batch mixing 3.5h, after aging 7h, 4h is dried at 120 DEG C；
S4：CBN micro mists after S3 is processed carry out heat treatment 3h at 517 DEG C, and then broken, sieve classification, obtains not
The CBN that the nanometer of same model is combined piles up abrasive material.
Nanometer obtained in 1~embodiment of embodiment 3 combines superhard accumulation abrasive material process stabilizing, reliable in quality, function admirable.
For example we have chosen nano ceramics bonded diamond, the polycrystalline that prepared granularity in embodiment 1~3 is 12~22 μm respectively
Diamond and CBN pile up abrasive material, superhard accumulation abrasive material fine grinding abrasive band are prepared for respectively using powder method, to Talide
It is ground, processing carbide surface roughness respectively reaches 0.29 μm, 0.18 μm and 0.23 μm, and highly uniform；And be
600 selected mesh SiC of control pile up the surface roughness big rise and fall of abrasive sand band processing, and minimal roughness is only 0.45
μm, and processing efficiency combines superhard accumulation abrasive sand band far below prepared nano ceramics.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, and its protection domain is not limited
In this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in protection of the invention
Within the scope of, protection scope of the present invention is defined by claims.
Claims (7)
1. the superhard micro mist of a kind of nanometer of combination piles up the preparation method of abrasive material, it is characterised in that specifically implement in accordance with the following steps：
S1：Superhard powder surface nanometer cladding treatment
S11：According to volume ratio 1：1.5~2.5：1 ratio measures silester, absolute ethyl alcohol and deionized water respectively, fully
Mixed liquor is formed after mixing, by mixed liquor under 45~60 DEG C of water-baths 10~30min of mechanical agitation, be then slowly added into dust technology
Or watery hydrochloric acid, to colloidal sol homogeneous transparent, finally 1~3h of uniform stirring on magnetic stirring apparatus, obtains SiO2Colloidal sol；
S12：Under ultrasound and mechanical agitation, to SiO2Superhard powder, superhard powder and SiO are added in colloidal sol2In colloidal sol
SiO2Mass ratio is 0.8~2.5, persistently stirs 1~3h, then natural subsidence, through filtering and washing, in 80~120 DEG C of dryings 1
~3h, obtains the superhard micro mist of Surface Oxygen SiClx treatment；
S2：Method according to S11 prepares SiO2Colloidal sol, under mechanical agitation, to the SiO for preparing2Nitre is slowly added in colloidal sol
The mixed solution and aluminum nitrate solution and BAS of acid sodium solution or potassium nitrate solution or sodium nitrate and potassium nitrate, regulation
PH value continues to stir 0.5~2h to 7.2~8.2, obtains nano ceramics colloidal sol；
When add be sodium nitrate solution or potassium nitrate solution when, solution concentration is 0.5~2mol/L, sodium nitrate or potassium nitrate with
Prepare silester used by nano ceramics colloidal sol and mol ratio be 1：1.5~3；
When add be the mixed solution of sodium nitrate and potassium nitrate when, mixed solution concentration be 0.5~2mol/L, in mixed solution
The mol ratio of sodium nitrate and potassium nitrate is 1~2：1~2, sodium nitrate and potassium nitrate with prepare the silicic acid used by nano ceramics colloidal sol
Ethyl ester and mol ratio be 1：1.5~3；
Aluminum nitrate solution concentration is 0.5~2mol/L, and aluminum nitrate is 1 with the mol ratio of the silester：2~3；BAS
Concentration is 0.5~2mol/L, and boric acid is 1 with the mol ratio of the silester：1.5~2；
S3：The superhard micro mist of Surface Oxygen SiClx treatment is inserted into three-dimensional material mixer, polyvinyl alcohol is firstly added under stirring
Solution, poly-vinyl alcohol solution addition is the 1~3% of the superhard micro mist quality of Surface Oxygen SiClx treatment in three-dimensional material mixer, so
After be slowly added to the nano ceramics colloidal sol, the SiO in control nano ceramics colloidal sol2With the superhard micro mist of Surface Oxygen SiClx treatment
Mass ratio 0.5~3：100, then 2~5h of batch mixing, after aging 5~10h, dries 3~5h at 100~150 DEG C；
S4：Superhard micro mist after S3 is processed carries out 2~5h of heat treatment at 450~550 DEG C, then crushes, is wanted according to predetermined
Sieve classification is sought, the superhard accumulation abrasive material of nanometer combination is obtained.
2. nanometer according to claim 1 combines the preparation method that superhard micro mist piles up abrasive material, it is characterised in that in S11,
The concentration of the dust technology or watery hydrochloric acid is 0.5~2mol/L.
3. nanometer according to claim 1 combines the preparation method that superhard micro mist piles up abrasive material, it is characterised in that in S12,
The superhard powder is superhard micro mist that fine granularity is 0.5~2 μm.
4. nanometer according to claim 1 combines the preparation method that superhard micro mist piles up abrasive material, it is characterised in that in S2,
PH value to 7.2~8.2 is adjusted by 10% ammoniacal liquor.
5. nanometer according to claim 1 combines the preparation method that superhard micro mist piles up abrasive material, it is characterised in that in S3,
The mass fraction of poly-vinyl alcohol solution used is 5%~8%.
6. a kind of nanometer as obtained by Claims 1 to 5 either method combines superhard micro mist accumulation abrasive material.
7. nanometer according to claim 6 combines superhard micro mist and piles up abrasive material, it is characterised in that pile up abrasive sand band,
Application in terms of fixed-abrasive wire saw, polycrystalline resin abrasive tools, lapping liquid or antiscuffing paste.
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| CN108913095A (en) * | 2018-07-19 | 2018-11-30 | 江苏华东砂轮有限公司 | Modified cubic boron nitride abrasive materials and preparation method thereof |
| CN111448281A (en) * | 2017-12-14 | 2020-07-24 | 伊梅斯切公司 | Stacked abrasive particles |
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| CN106926146B (en) | 2019-02-26 |
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