CN106316398A - Tungsten titanium carbide-based ceramic tool material added with cubic boron nitride and preparation method of material - Google Patents
Tungsten titanium carbide-based ceramic tool material added with cubic boron nitride and preparation method of material Download PDFInfo
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Abstract
The invention relates to a ceramic tool material, in particular to a tungsten titanium carbide-based ceramic tool material added with cubic boron nitride and a preparation method of the material. The tungsten titanium carbide-based ceramic tool material added with cubic boron nitride is characterized by being prepared from, by mass, 80%-84% of micron tungsten titanium carbide, 1%-5% of nano cubic boron nitride and 15% of nano cobalt. According to the tungsten titanium carbide-based ceramic tool material added with cubic boron nitride, the material is prepared by adding nano cobalt powder serving as a binding phase and c-BN serving as a reinforcing phase in a tungsten titanium carbide micron ceramic substrate for sintering, due to the fact that transition metal carbide can be combined with a small energy band gap through a high covalent bond, the transition metal carbide achieves lots of excellent properties such as high hardness and good wear resistance, and therefore the transition metal carbide represented by (Ti,W)C not only can serve as a wear-resistant structural component in an automobile engine but also can serve as a cutting tool and be for military use.
Description
Technical field
The present invention relates to a kind of ceramic cutting tool material, particularly to a kind of tungsten carbide titanium-base ceramics adding cubic boron nitride
Cutter material and preparation method thereof.
Background technology
Ceramic material owing to having the excellent properties such as high temperature resistant, corrosion-resistant, wear-resistant, be the most potential material it
One.But, the brittleness problems of ceramic material governs it always to be developed further.Therefore, the Strengthening and Toughening problem one of ceramic material
It it is directly one of the focus of research.At present, numerous scholars have done substantial amounts of research for its toughened and reinforced problem, achieve bigger
Progress.Conventional method for toughening mainly has transformation toughening, crystal whisker toughened and Second Phase Particle dis-persion toughening etc..Along with nanometer material
The development of material technology, adds nano-particle in ceramic material and can be effectively improved mechanical property and the high temperature of composite ceramic material
Performance, the research of nanocomposite ceramic material has become the focus of cutter material research.
In ceramic material, add nano-particle can be effectively improved bending strength and the fracture toughness of composite ceramic material
(Sternitzke M..Review:Structural Ceramic Nanocomposites[J].J. Eur. Ceram.
Soc, 1997,17:1061-1082), and be obviously improved its high-temperature behavior (Li Guanghai, Jiang'an is complete, Zhang Lide. add nanometer
Impact [J] on ceramic toughening and enhancing. Acta Metallurgica Sinica, 1996,32 (12): 1285-1288).Chinese patent
CN101279840A provides the preparation method of a kind of aluminium oxide one tungsten carbide nanometer composite ceramic material, 1700 DEG C,
Under 30MPa pressure condition, it is incubated 10 minutes, hot pressed sintering, A12O3Matrix and (Ti, W) C strengthen boundary and are tightly combined, mutually
Intert and parcel, define typical framing structure.Nanometer A12O3The introducing of granule, effectively inhibits micrometer alumina granule
Growing up, refined crystal grain, material particle size is evenly distributed, and has high hardness, bending strength, fracture toughness, good wearability
And high-temperature stability.
Chinese patent CN 105218078 A relates to cubic boron nitride ceramic composite and preparation method thereof, mentions and having
Major part cubic boron nitride (cBN) phase (such as larger than 50 volume %) and various ceramic additive (such as oxide, nitride and carbon
Compound) cutting element compositions be commercially used, for processing cast iron, hardening steel and other metal.But, owing to adding
The high temperature that during work, frictional heat produces so that the processing of some cast-iron alloy is the most difficult, it is believed that at some this type of
In cast iron process application, the high temperature that cutting point produces can cause occurring between cast iron and cBN chemical reaction, and this reaction is referred to as
" chemical abrasion ".This chemical abrasion then frequently result in cutting element premature failure.Utilized that cutting element uses is each
Plant compositions to attempt solving this problem.
TiC and WC of composition (Ti, W) C has high fusing point and hardness, have good wearability and corrosion resistance,
Relatively low thermal coefficient of expansion and good heat-conductive characteristic, and the hardness of cubic boron nitride is only second to diamond, Er Qiere
Stability is higher than diamond, and iron group metal is had chemical inertness, it is adaptable to the material that workhardness is high and toughness is strong.General cube
Boron nitride adds in (Ti, W) C based ceramic metal, develops and has higher force performance and the cutter of preferable cutting ability.
Summary of the invention
The present invention, in order to make up the defect of prior art, adapts to the development need of High-speed Dry Cutting Technology, expands
The kind of existing sintex and the range of work, it is provided that a kind of interpolation cubic boron nitride with higher intensity and toughness
Tungsten carbide base ceramic cutting tool material and preparation method thereof.
The present invention is achieved through the following technical solutions:
A kind of tungsten carbide base ceramic cutting tool material adding cubic boron nitride, it is characterised in that: raw material components mass percent
For: micron tungsten carbide titanium 80-84%, nano cubic boron nitride 1-5%, nanometer cobalt 15%.
Preferably, the tungsten carbide base ceramic cutting tool material of this interpolation cubic boron nitride: raw material components mass percent is:
Micron tungsten carbide titanium 83.5%, nano-cobalt powder 15%, nano-hexagonal boron nitride 1. 5%；The comprehensive mechanics of ceramic cutting tool material now
Performance and properties of antifriction and wear resistance are best.
Mean diameter respectively 1.5 μm of described micron tungsten carbide titanium, the mean diameter of nano-cobalt powder are 0.8 μm, nanometer
The mean diameter 0-0.5 μm of cubic boron nitride, purity is all higher than 99%.
The present invention adds the preparation method of the tungsten carbide base ceramic cutting tool material of cubic boron nitride, comprises the steps:
(1) micron tungsten carbide titanium ((Ti, W) C powder) be raw material before use, independent ball milling 80-120h, after drying and screening seal
Standby, weigh tungsten carbide powder in proportion, with appropriate dehydrated alcohol as disperse medium, be made into (Ti, W) C suspension, with stirring
Device is sufficiently stirred for, ultrasonic disperse 20-30min；
(2) weigh nano-cobalt powder (Co powder) in proportion, with appropriate dehydrated alcohol as disperse medium, be made into Co suspension, use
Agitator is sufficiently stirred for, ultrasonic disperse 20-30min；
(3) weigh nano cubic boron nitride (c-BN powder) in proportion, put in three neck beakers, and add the anhydrous second of 100ml
Alcohol, is made into mixed solution, first ultrasonic disperse 10min in ultrasonic cleaner, and making mixed solution is suspended state, by water-bath
Temperature is set in 80 DEG C, the surfactant sodium dodecyl base sulfur of the 50% of addition nano cubic boron nitride quality in mixed solution
Acid sodium, high-speed stirred 1 hour under conditions of water bath with thermostatic control；Solution is filtered repeatedly with circulating water type vacuum pump, washs, will be
The material obtained eventually is dried in vacuum tank, sieves, and collects and obtains modified nanometer BN, is situated between with appropriate dehydrated alcohol for dispersion
Matter, is made into c-BN suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20-30min；
(4) step (1) gained (Ti, W) C suspension, step (2) gained Co suspension and step (3) c-BN suspension is mixed
Close, obtain complex phase suspension, ultrasonic disperse 20-30min, mix homogeneously；
(5) step (4) gained complex phase suspension is poured in ball grinder, with nitrogen or argon as protective atmosphere, with anhydrous
Ethanol is medium, and each component raw material total amount is 1:(10-12 with the pellet weight ratio of mill ball), ball milling 36-72h；Then at electricity
In thermal vacuum drying baker at a temperature of 100-120 DEG C continuous drying 40-60h, sieve in inert gas flow after being completely dried,
Obtain mixed powder, seal standby；
(6) pressure sintering sintering is used, by the mixed powder sinter molding of step (5) gained and get final product in vacuum hotpressing stove.
Dehydrated alcohol described in above-mentioned steps (1), (2) and (3) is as the disperse medium being made into suspension, consumption
Selecting by this area routine, the present invention is not specially limited.
Preferably, in step (5), the mill ball of ball milling is YG8 sintered carbide ball.
The operating procedure of step (6) described pressure sintering sintering is as follows: first the mixed powder of step (5) gained is loaded stone
Ink mould, then carries out vacuum heating-press sintering, and hot-pressing sintering technique parameter is: holding temperature 1350-1450 DEG C, hot pressing pressure
25-35MPa, temperature retention time 20-45min, heating rate 5-20 DEG C/min.
The invention has the beneficial effects as follows: the tungsten carbide base ceramic cutting tool material adding cubic boron nitride of the present invention, be
Prepare as strengthening phase sintering as Binder Phase, c-BN by adding nanoscale cobalt powder in tungsten carbide micrometer ceramics matrix,
By high covalent bond and little energy band, transition metal carbide is owing to asking that gap combines so that it is possess high rigidity and good wearability
Etc. many excellent properties, can be used as abrasion-proof structure in automobile engine with the transition metal carbide that (Ti, W) C is representative
Parts, and can be as cutting tool and military use.Selecting cobalt powder is owing to tungsten carbide is had by cobalt as Binder Phase
Good wettability, can improve sintered body mechanical property and be conducive to sintering, and the hardness of cubic boron nitride is only second to diamond, and
Heat stability is higher than diamond, and iron group metal is had chemical inertness, it is adaptable to the material that workhardness is high and toughness is strong.Select
Cubic boron nitride, as strengthening phase, reaches particle dispersion reinforced effects.The existence of cubic boron nitride particle can be at the crackle of extension
At Jian Duan, crackle is caused certain interference, causes the stress intensity near crack tip to reduce；Cubic boron nitride particle simultaneously
Extension to crackle plays inhibition, causes crack deflection, consumes more energy to failure, so that the toughness of material improves, with
Existing ceramic cutting tool material is compared, and this ceramic cutting tool material, while keeping good friction and wear behavior, has higher
Mechanical property, can be used for making potter's mould and other abrasion-proof corrosion-proof parts such as cutting tool.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is transmission electron microscope (TEM) photo of the scattered cubic boron nitride of embodiment 1, display cube nitridation
The pattern of boron and deployment conditions.
Accompanying drawing 2 is the scanning electron of the tungsten carbide base ceramic cutting tool material adding cubic boron nitride that embodiment 1 prepares
Microscope (SEM) photo, the internal typical intergranular type structure of display material, the fracture mode of material is along crystalline substance/transcrystalline mixed type
Fracture mode.
Accompanying drawing 3 is the XRD diffraction pattern of the tungsten carbide base ceramic cutting tool material adding cubic boron nitride that embodiment 1 prepares
Spectrum.
Detailed description of the invention
Below by way of the specific embodiment tungsten carbide base ceramic cutting tool material that add cubic boron nitride a kind of to the present invention
And preparation method thereof be described further.
In the raw material components of each embodiment, micron tungsten carbide titanium, nano-cobalt powder, nano cubic boron nitride are commercially available respectively
(Ti, W) C powder, Co powder and c-BN powder, (Ti, W) C powder average particle size used is 1.5 μm, and purity is more than
99%；Co nanometer powder mean diameter is respectively 0.8 μm, and purity is all higher than 99%, and c-BN micron powder average particle size is respectively
0-0.5 μm, purity is all higher than 99%, for commercially available prod.
Embodiment 1
A kind of tungsten carbide base ceramic cutting tool material adding cubic boron nitride, the mass percent of raw material components is: micron carbon
Change tungsten titanium ((Ti, W) C) 83.5%, nano-cobalt powder (Co) 15%, nano cubic boron nitride (c-BN) 1.5%.
Preparation method is as follows: weighs (Ti, W) C powder in proportion, with appropriate dehydrated alcohol as disperse medium, is made into
(Ti, W) C suspension, with agitator be sufficiently stirred for, ultrasound wave dispersion 20min；Weigh nano-cobalt powder (Co powder in proportion
End), with appropriate dehydrated alcohol as disperse medium, be made into Co suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20min；Press
Ratio weighs nano cubic boron nitride (c-BN powder), puts in 250ml beaker, and adds 100ml dehydrated alcohol, is made into mixed
Closing solution, first ultrasonic disperse 10min in ultrasonic cleaner, making solution is suspended state.Water-bath temperature is set in 80
DEG C, the Surfactant SDS of the 50% of addition nano cubic boron nitride quality in mixed solution, at thermostatted water
High-speed stirred 1 hour under conditions of bath, high-speed stirred 1 hour under conditions of water bath with thermostatic control.With circulating water type vacuum pump by molten
Liquid repeatedly filters, washs, and is dried by the material finally given, sieves, collect and obtain modified nanometer BN in vacuum tank, with
Appropriate dehydrated alcohol is disperse medium, is made into c-BN suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20min；By gained
(Ti, W) C, Co and c-BN suspension mixes, and obtains complex phase suspension, through ultrasonic disperse 20min, mix homogeneously；Will mixing
Thing is poured in ball grinder, with nitrogen as protective atmosphere, with dehydrated alcohol as medium, with sintered carbide ball as abrasive body, and pellet weight
Amount ratio is 1:10, ball milling 48h；Then in electric vacunm drying case at design temperature 110 DEG C continuous drying 48h, completely dry
Sieve in nitrogen stream after dry, then powder is loaded graphite jig, carry out vacuum heating-press sintering.Hot pressing parameters is: protect
Temperature temperature 1350 DEG C, hot pressing pressure 30MPa, temperature retention time 60min, 10 DEG C/min of heating rate, obtain Stupalox of the present invention
Tool material.
Prepared ceramic cutting tool material base substrate is carried out linear cutter, roughly grinds, refine, grind, polish, prepare test examination
Sample, recording its mechanical property parameters is: bending strength 917MPa, fracture toughness 9.27MPa m1/2, Vickers hardness
20.64GPa.Such as attached embodiment illustrated in fig. 11 scattered cubic boron nitride morphology, can be clearly from figure
Good to cubic boron nitride dispersion effect.
The morphology of the tungsten carbide base ceramic cutting tool material adding cubic boron nitride that embodiment 1 prepares is such as
Shown in accompanying drawing 2, it can be clearly seen that c-BN granule is evenly distributed in matrix (Ti, W) C from accompanying drawing 2, play granule more
Dissipate reinforced effects.
Accompanying drawing 3 is the XRD diffraction of the tungsten carbide base ceramic cutting tool material adding cubic boron nitride that embodiment 1 prepares
Collection of illustrative plates, as can be seen from the figure in material outside (Ti, W) C and Co, also BN phase, not raw with matrix material generation chemical reaction
Produce new phase.
Embodiment 2
A kind of tungsten carbide base ceramic cutting tool material adding cubic boron nitride, the mass percent of raw material components is: micron carbon
Change tungsten titanium ((Ti, W) C) 82%, nano-cobalt powder (Co) 15%, nano cubic boron nitride (c-BN) 3%.
Weigh (Ti, W) C powder in proportion, with appropriate dehydrated alcohol as disperse medium, be made into (Ti, W) C suspension, with stirring
Mix device be sufficiently stirred for, ultrasound wave dispersion 20min；Weigh nano-cobalt powder (Co powder) in proportion, with appropriate dehydrated alcohol for dispersion
Medium, is made into Co suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20min；Weigh nano cubic boron nitride (c-in proportion
BN powder), put in 250ml tri-neck beaker, and add 100ml dehydrated alcohol, be made into mixed solution, first at ultrasonic cleaner
Middle ultrasonic disperse 10min, making solution is suspended state.Water-bath temperature is set in 80 DEG C, in mixed solution, adds nanometer
The Surfactant SDS of the 50% of cubic boron nitride quality, under conditions of water bath with thermostatic control, high-speed stirred 1 is little
Time.Solution is filtered repeatedly with circulating water type vacuum pump, washs, the material finally given is dried in vacuum tank, sieves, receive
Collection obtains modified nanometer BN, with appropriate dehydrated alcohol as disperse medium, is made into c-BN suspension, fully stirs with agitator
Mix, ultrasonic disperse 20min；Gained (Ti, W) C, Co and c-BN suspension is mixed, obtains complex phase suspension, through ultrasonic point
Dissipate 20min, mix homogeneously；Pour the mixture in ball grinder, with nitrogen as protective atmosphere, with dehydrated alcohol as medium, with firmly
Matter alloying pellet is abrasive body, and pellet weight ratio is 1:10, ball milling 48h；Then at design temperature 110 in electric vacunm drying case
Continuous drying 48h at DEG C, sieves in nitrogen stream after being completely dried, then powder is loaded graphite jig, carries out vacuum hotpressing
Sintering.Hot pressing parameters is: holding temperature 1350 DEG C, hot pressing pressure 30MPa, temperature retention time 60min, heating rate 10 DEG C/
Min, obtains the ceramic cutting tool material of the present invention.
Prepared ceramic material base substrate is carried out linear cutter, roughly grinds, refines, grinds, polishes, prepare test sample,
Recording its mechanical property parameters is: bending strength 815MPa, fracture toughness 8.81MPa m1/2, Vickers hardness 17.82GPa.
Embodiment 3:
A kind of tungsten carbide base ceramic cutting tool material adding cubic boron nitride, the mass percent of raw material components is: micron carbon
Change tungsten titanium ((Ti, W) C) 84%, nano-cobalt powder (Co) 15%, nano cubic boron nitride (c-BN) 1%.
Weigh (Ti, W) C powder in proportion, with appropriate dehydrated alcohol as disperse medium, be made into (Ti, W) C suspension, with stirring
Mix device be sufficiently stirred for, ultrasound wave dispersion 20min；Weigh nano-cobalt powder (Co powder) in proportion, with appropriate dehydrated alcohol for dispersion
Medium, is made into Co suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20min；Weigh nano cubic boron nitride (c-in proportion
BN powder), put in 250ml tri-neck beaker, and add 100ml dehydrated alcohol, be made into mixed solution, first at ultrasonic cleaner
Middle ultrasonic disperse 10min, making solution is suspended state.Water-bath temperature is set in 80 DEG C, in mixed solution, adds nanometer
The Surfactant SDS of the 50% of cubic boron nitride quality, under conditions of water bath with thermostatic control, high-speed stirred 1 is little
Time.Solution is filtered repeatedly with circulating water type vacuum pump, washs, the material finally given is dried in vacuum tank, sieves, receive
Collection obtains modified nanometer BN, with appropriate dehydrated alcohol as disperse medium, is made into c-BN suspension, fully stirs with agitator
Mix, ultrasonic disperse 20min；Gained (Ti, W) C, Co and c-BN suspension is mixed, obtains complex phase suspension, through ultrasonic point
Dissipate 20min, mix homogeneously；Pour the mixture in ball grinder, with nitrogen as protective atmosphere, with dehydrated alcohol as medium, with firmly
Matter alloying pellet is abrasive body, and pellet weight ratio is 1:10, ball milling 48h；Then at design temperature 110 in electric vacunm drying case
Continuous drying 48h at DEG C, sieves in nitrogen stream after being completely dried, then powder is loaded graphite jig, carries out vacuum hotpressing
Sintering.Hot pressing parameters is: holding temperature 1350 DEG C, hot pressing pressure 30MPa, temperature retention time 60min, heating rate 10 DEG C/
Min, obtains the ceramic cutting tool material of the present invention.
Prepared ceramic material base substrate is carried out linear cutter, roughly grinds, refines, grinds, polishes, prepare test sample,
Recording its mechanical property parameters is: bending strength 889MPa, fracture toughness 8.52MPa m1/2, Vickers hardness 17.58GPa.
Embodiment 4:
A kind of tungsten carbide base ceramic cutting tool material adding cubic boron nitride, the mass percent of raw material components is: micron carbon
Change tungsten titanium ((Ti, W) C) 80%, nano-cobalt powder (Co) 15%, nano cubic boron nitride (c-BN) 5%.
Weigh (Ti, W) C powder in proportion, with appropriate dehydrated alcohol as disperse medium, be made into (Ti, W) C suspension, with stirring
Mix device be sufficiently stirred for, ultrasound wave dispersion 20min；Weigh nano-cobalt powder (Co powder) in proportion, with appropriate dehydrated alcohol for dispersion
Medium, is made into Co suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20min；Weigh nano cubic boron nitride (c-in proportion
BN powder), put in 250ml tri-neck beaker, and add 100ml dehydrated alcohol, be made into mixed solution, first at ultrasonic cleaner
Middle ultrasonic disperse 10min, making solution is suspended state.Water-bath temperature is set in 80 DEG C, in mixed solution, adds nanometer
The Surfactant SDS of the 50% of cubic boron nitride quality, under conditions of water bath with thermostatic control, high-speed stirred 1 is little
Time.Solution is filtered repeatedly with circulating water type vacuum pump, washs, the material finally given is dried in vacuum tank, sieves, receive
Collection obtains modified nanometer BN, with appropriate dehydrated alcohol as disperse medium, is made into c-BN suspension, fully stirs with agitator
Mix, ultrasonic disperse 20min；Gained (Ti, W) C, Co and c-BN suspension is mixed, obtains complex phase suspension, through ultrasonic point
Dissipate 20min, mix homogeneously；Pour the mixture in ball grinder, with nitrogen as protective atmosphere, with dehydrated alcohol as medium, with firmly
Matter alloying pellet is abrasive body, and pellet weight ratio is 1:10, ball milling 48h；Then at design temperature 110 in electric vacunm drying case
Continuous drying 48h at DEG C, sieves in nitrogen stream after being completely dried, then powder is loaded graphite jig, carries out vacuum hotpressing
Sintering.Hot pressing parameters is: holding temperature 1350 DEG C, hot pressing pressure 30MPa, temperature retention time 60min, heating rate 10 DEG C/
Min, obtains the ceramic cutting tool material of the present invention.
Prepared ceramic material base substrate is carried out linear cutter, roughly grinds, refines, grinds, polishes, prepare test sample,
Recording its mechanical property parameters is: bending strength 781MPa, fracture toughness 8.64MPa m1/2, Vickers hardness 15.25GPa.
Reference examples: without the ceramic cutting tool material of nano cubic boron nitride:
The mass percent of ceramic cutting tool material raw material components is: micron tungsten carbide titanium ((Ti, W) C) 85%, nano-cobalt powder (Co)
15%.Operating procedure and process conditions, Product processing test are the most same as in Example 1.Gained is without nano cubic boron nitride
Ceramic cutting tool material, mechanical property parameters is: bending strength 873MPa, fracture toughness 8.41MPa m1/2, Vickers hardness
16.68GPa。
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, ripe
Know those skilled in the art the technology contents of the disclosure above to be utilized to be changed or be modified as the equivalence of equivalent variations in fact
Execute example.All without departing from technical solution of the present invention content, it is any that above example is made by the technical spirit of the foundation present invention
Simple modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. the tungsten carbide base ceramic cutting tool material adding cubic boron nitride, it is characterised in that: raw material components percent mass
Ratio is: micron tungsten carbide titanium 80-84%, nano cubic boron nitride 1-5%, nanometer cobalt 15%.
The tungsten carbide base ceramic cutting tool material of interpolation cubic boron nitride the most according to claim 1, it is characterised in that: former
Material constituent mass percentage ratio is: micron tungsten carbide titanium 83.5%, nano-cobalt powder 15%, nano-hexagonal boron nitride 1. 5%.
The tungsten carbide base ceramic cutting tool material of interpolation cubic boron nitride the most according to claim 1, it is characterised in that: institute
State mean diameter respectively 1.5 μm of micron tungsten carbide titanium, the mean diameter of nano-cobalt powder is 0.8 μm, nano cubic boron nitride
Mean diameter 0-0.5 μm, purity is all higher than 99%.
The preparation method of the tungsten carbide base ceramic cutting tool material of interpolation cubic boron nitride the most according to claim 1, its
It is characterised by: comprise the steps:
(1) micron tungsten carbide titanium be raw material before use, independent ball milling 80-120h, seal standby after drying and screening, claim in proportion
Take tungsten carbide powder, with appropriate dehydrated alcohol as disperse medium, be made into tungsten carbide suspension, with agitator be sufficiently stirred for,
Ultrasonic disperse 20-30min；
(2) weigh nano-cobalt powder in proportion, with appropriate dehydrated alcohol as disperse medium, be made into cobalt suspension, abundant with agitator
Stirring, ultrasonic disperse 20-30min；
(3) weigh nano cubic boron nitride in proportion, put in three neck beakers, and add dehydrated alcohol, be made into mixed solution, first
Ultrasonic disperse 10min in ultrasonic cleaner, making mixed solution is suspended state, and water-bath temperature is set in 80 DEG C, past
The Surfactant SDS of the 50% of addition nano cubic boron nitride quality in mixed solution, in water bath with thermostatic control
Under the conditions of high-speed stirred 1 hour；Solution is filtered repeatedly with circulating water type vacuum pump, washs, by the material that finally gives very
Empty van is dried, sieves, collect and obtain modified nm-class boron nitride, with appropriate dehydrated alcohol as disperse medium, be made into cube
Boron nitride suspension, with agitator be sufficiently stirred for, ultrasonic disperse 20-30min；
(4) step (1) gained tungsten carbide suspension, step (2) gained cobalt suspension and step (3) cubic boron nitride are suspended
Liquid mixes, and obtains complex phase suspension, ultrasonic disperse 20-30min, mix homogeneously；
(5) step (4) gained complex phase suspension is poured in ball grinder, with nitrogen or argon as protective atmosphere, with anhydrous
Ethanol is medium, and each component raw material total amount is 1:(10-12 with the pellet weight ratio of mill ball), ball milling 36-72h；Then at electricity
In thermal vacuum drying baker at a temperature of 100-120 DEG C continuous drying 40-60h, sieve in inert gas flow after being completely dried,
Obtain mixed powder, seal standby；
(6) pressure sintering sintering is used, by the mixed powder sinter molding of step (5) gained and get final product in vacuum hotpressing stove.
The preparation method of the tungsten carbide base ceramic cutting tool material of interpolation cubic boron nitride the most according to claim 4, its
It is characterised by: in step (5), the mill ball of ball milling is YG8 sintered carbide ball.
The preparation method of the tungsten carbide base ceramic cutting tool material of interpolation cubic boron nitride the most according to claim 4, its
It is characterised by: the operating procedure of step (6) described pressure sintering sintering is as follows: first the mixed powder of step (5) gained is loaded stone
Ink mould, then carries out vacuum heating-press sintering, and hot-pressing sintering technique parameter is: holding temperature 1350-1450 DEG C, hot pressing pressure
25-35MPa, temperature retention time 20-45min, heating rate 5-20 DEG C/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485155A (en) * | 2020-06-09 | 2020-08-04 | 齐鲁工业大学 | (Ti, W) C-based metal ceramic cutting tool material added with alumina coated cubic boron nitride composite powder and preparation method thereof |
| CN111848180A (en) * | 2019-10-22 | 2020-10-30 | 齐鲁工业大学 | Alumina-coated cubic boron nitride composite powder and preparation method thereof |
| CN111842906A (en) * | 2019-11-07 | 2020-10-30 | 齐鲁工业大学 | Preparation method of metal ceramic cutter material added with nano cubic boron nitride |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279840A (en) * | 2008-05-13 | 2008-10-08 | 山东大学 | Preparation of aluminum oxide-tungsten carbide nanometer composite ceramic material |
| CN101913876A (en) * | 2010-07-01 | 2010-12-15 | 山东大学 | Method for preparing zirconium boride-tungsten titanium carbide self-lubricating composite ceramic material |
| CN103739292A (en) * | 2014-01-02 | 2014-04-23 | 山东大学 | Method for preparing silicon nitride-tungsten carbide titanium nano-composite ceramic cutting tool material |
| CN104073665A (en) * | 2014-06-26 | 2014-10-01 | 东北大学 | Preparation method of WC-Co-cBN composite material |
-
2016
- 2016-08-17 CN CN201610683195.3A patent/CN106316398A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279840A (en) * | 2008-05-13 | 2008-10-08 | 山东大学 | Preparation of aluminum oxide-tungsten carbide nanometer composite ceramic material |
| CN101913876A (en) * | 2010-07-01 | 2010-12-15 | 山东大学 | Method for preparing zirconium boride-tungsten titanium carbide self-lubricating composite ceramic material |
| CN103739292A (en) * | 2014-01-02 | 2014-04-23 | 山东大学 | Method for preparing silicon nitride-tungsten carbide titanium nano-composite ceramic cutting tool material |
| CN104073665A (en) * | 2014-06-26 | 2014-10-01 | 东北大学 | Preparation method of WC-Co-cBN composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848180A (en) * | 2019-10-22 | 2020-10-30 | 齐鲁工业大学 | Alumina-coated cubic boron nitride composite powder and preparation method thereof |
| CN111842906A (en) * | 2019-11-07 | 2020-10-30 | 齐鲁工业大学 | Preparation method of metal ceramic cutter material added with nano cubic boron nitride |
| CN111485155A (en) * | 2020-06-09 | 2020-08-04 | 齐鲁工业大学 | (Ti, W) C-based metal ceramic cutting tool material added with alumina coated cubic boron nitride composite powder and preparation method thereof |
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