CN109082610A - A kind of Whole PC BN blade binder and preparation method thereof - Google Patents
A kind of Whole PC BN blade binder and preparation method thereof Download PDFInfo
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- CN109082610A CN109082610A CN201811015977.5A CN201811015977A CN109082610A CN 109082610 A CN109082610 A CN 109082610A CN 201811015977 A CN201811015977 A CN 201811015977A CN 109082610 A CN109082610 A CN 109082610A
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- ball
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a kind of Whole PC BN blade binder and preparation method thereof, which includes: 1) to be heat-treated cobalt powder, nickel powder, silicon powder, palladium powder in the presence of protecting gas, and then cooling, first ball milling obtains ball milling object;2) ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling and obtain mixture;3) mixture, potassium titanate crystal whisker, graphene are carried out being mixed to get Whole PC BN blade binder.Whole PC BN blade binder of the present invention enables to Whole PC BN blade obtained to have excellent fracture toughness, and raw material is easy to get, process is simple.
Description
Technical field
The present invention relates to PCBN blades, and in particular, to a kind of Whole PC BN blade binder and preparation method thereof.
Background technique
With the fast development of manufacturing technology, fundamental technology of the machining as manufacturing technology is entered to develop height
Effect cutting develops new Cutting Process and processing method, provides the new stage of development that complete set technology is characterized.At the same time, it manufactures
The development of technology and difficult-to-machine material pushes the development of cutting-tool engineering, and cutting-tool engineering is also towards high state cutting, high-speed cutting, height
The direction of precision and dry-type processing is developed.Can be achieved high efficiency, high stability, long-life processing superhard cutter application also day
It gradually popularizes, is played an important role in fields such as automobile, aerospace, the energy, military affairs, molds.
In machining, cutter material is to determine one of processing efficiency, processing quality and key factor of processing cost,
Correct selection and application cutter material are most important.Modern cutter material is mainly high-speed steel, hard alloy and ceramics, they lead
The hard phase constituent wanted is carbide, nitride and oxide, in addition the hardness of cutter is in HV2000 or less after binding material.
Processing for certain modern difficult-to-machine materials, above-mentioned hardness have been unable to meet requirement, then ultrahard cutting tool material just meet the tendency of and
It is raw.PCBN(polycrystalline cubic boron nitride) cutter, sintex, coated cutting tool etc. all have very high hardness, wearability and chemistry
Stability is able to satisfy the requirement of the green manufacturings such as high-speed cutting, DRY CUTTING, hard turning.Since PCBN cutter is in processing essence
The various aspects such as degree, stock-removing efficiency, cutter life have unrivaled superiority, therefore, the promotion and application of PCBN cutter
Huge economic benefit can be created.
Although PCBN blade has excellent hardness, wearability, thermal stability, thermal conductivity, Young's modulus, thermal expansion,
Be PCBN blade fracture toughness it is poor, not as good as the half of sintex, and then limit the development of PCBN blade.
Summary of the invention
The object of the present invention is to provide a kind of Whole PC BN blade binder and preparation method thereof, Whole PC BN blade is viscous
Knot agent enables to Whole PC BN blade obtained to have an excellent fracture toughness, at the same the preparation method have process simply and
The advantages of raw material is easy to get.
To achieve the goals above, the present invention provides a kind of preparation methods of Whole PC BN blade binder, comprising:
1) cobalt powder, nickel powder, silicon powder, palladium powder are heat-treated in the presence of protecting gas, then cooling, first ball milling obtains ball
Grind object;
2) ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling and obtain mixture;
3) mixture, potassium titanate crystal whisker, graphene are carried out being mixed to get Whole PC BN blade binder.
The present invention also provides a kind of Whole PC BN blade binder, Whole PC BN blade binder passes through above-mentioned system
Preparation Method is prepared.
In the above-mentioned technical solutions, the present invention passes through that cobalt powder, nickel powder, silicon powder, palladium powder are heat-treated, ball milling obtains first
Ball milling object;Then add aluminium oxide, titanium nitride, silicon carbide carry out secondary ball milling obtain mixture, finally add potassium titanate crystal whisker,
Graphene carries out being mixed to get Whole PC BN blade binder.The binder makes obtained under the collective effect of each component
Whole PC BN blade has excellent toughness, and then is convenient for the popularization of Whole PC BN blade.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of preparation methods of Whole PC BN blade binder, comprising:
1) cobalt powder, nickel powder, silicon powder, palladium powder are heat-treated in the presence of protecting gas, then cooling, first ball milling obtains ball
Grind object;
2) ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling and obtain mixture;
3) mixture, potassium titanate crystal whisker, graphene are carried out being mixed to get Whole PC BN blade binder.
In step 1) of the invention, the condition of heat treatment can select in a wide range, but in order to further mention
The fracture toughness of Whole PC BN blade made from height, it is preferable that in step 1), heat treatment meets the following conditions: treatment temperature
It is 850-950 DEG C, the processing time is 2-4h.
In step 1) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The fracture toughness of Whole PC BN blade made from height, it is preferable that in step 1), the weight ratio of cobalt powder, nickel powder, silicon powder, palladium powder
For 5:2-2.8:0.2-0.6:0.05-0.15.
In step 1) of the invention, the condition of first ball milling can select in a wide range, but in order to further
Improve the fracture toughness of Whole PC BN blade obtained, it is preferable that in step 1), first ball milling meets the following conditions: big ball
It is 2:0.8-1.2 with the mass ratio of bead, the mass ratio of abrading-ball and material is 10:0.8-1.2, revolving speed 1200-1400rpm,
Ball-milling Time is 40-60min.
In step 2) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The fracture toughness of Whole PC BN blade made from height, it is preferable that in step 2, ball milling object, aluminium oxide, titanium nitride, silicon carbide
Weight ratio be 10:4-6:0.5-1:0.4-0.8.
In step 2) of the invention, the condition of secondary ball milling can select in a wide range, but in order to further
Improve the fracture toughness of Whole PC BN blade obtained, it is preferable that in step 2, secondary ball milling meets the following conditions: big ball
It is 2:0.8-1.2 with the mass ratio of bead, the mass ratio of abrading-ball and material is 10:2-3, revolving speed 1700-1900rpm, ball milling
Time is 1.5-2h.
In step 3) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The fracture toughness of Whole PC BN blade made from height, it is preferable that in step 3), mixture, potassium titanate crystal whisker, graphene weight
Amount is than being 10:0.8-1.2:0.1-0.3.
In step 3) of the invention, the specification of potassium titanate crystal whisker can select in a wide range, but in order into one
Step improves the fracture toughness of Whole PC BN blade obtained, it is preferable that in step 3), potassium titanate crystal whisker meets: average diameter
For 1-8um, average length 30-200um.
The present invention also provides a kind of Whole PC BN blade binder, Whole PC BN blade binder passes through above-mentioned system
Preparation Method is prepared.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) by cobalt powder, nickel powder, silicon powder, palladium powder according to the weight ratio of 5:2.4:0.4:0.1 in the presence of protecting gas (helium) into
Row heat treatment (treatment temperature is 900 DEG C, and the processing time is 3h), then (mass ratio of big ball and bead is for cooling, first ball milling
The mass ratio of 2:1, abrading-ball and material is 10:1, revolving speed 1300rpm, Ball-milling Time 50min) obtain ball milling object;
2) the ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling according to the weight ratio of 10:5:0.8:0.6
(mass ratio of big ball and bead is 2:1, and the mass ratio of abrading-ball and material is 10:2.5, revolving speed 1800rpm, and Ball-milling Time is
1.8h) obtain mixture;
3) by the mixture, potassium titanate crystal whisker (average diameter 5um, average length 100um), graphene according to 10:1:
0.2 weight ratio carries out being mixed to get the Whole PC BN blade binder A1.
Embodiment 2
1) cobalt powder, nickel powder, silicon powder, palladium powder are carried out in the presence of protecting gas (helium) according to the weight ratio of 5:2:0.2:0.05
Heat treatment (treatment temperature is 850 DEG C, and the processing time is 4h), then cooling, first ball milling (mass ratio of big ball and bead is 2:
0.8, the mass ratio of abrading-ball and material is 10:0.8, revolving speed 1200rpm, Ball-milling Time 60min) obtain ball milling object;
2) the ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling according to the weight ratio of 10:4:0.5:0.4
(mass ratio of big ball and bead is 2:0.8, and the mass ratio of abrading-ball and material is 10:2, revolving speed 1700rpm, and Ball-milling Time is
2h) obtain mixture;
3) by the mixture, potassium titanate crystal whisker (average diameter 1um, average length 200um), graphene according to 10:
The weight ratio of 0.8:0.1 carries out being mixed to get the Whole PC BN blade binder A2.
Embodiment 3
1) by cobalt powder, nickel powder, silicon powder, palladium powder according to the weight ratio of 5:2.8:0.6:0.15 in the presence of protecting gas (helium) into
Row heat treatment (treatment temperature is 950 DEG C, and the processing time is 2h), then (mass ratio of big ball and bead is for cooling, first ball milling
The mass ratio of 2:1.2, abrading-ball and material is 10:1.2, revolving speed 1400rpm, Ball-milling Time 40min) obtain ball milling object;
2) the ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling (greatly according to the weight ratio of 10:6:1:0.8
The mass ratio of ball and bead is 2:1.2, and the mass ratio of abrading-ball and material is 10:3, revolving speed 1900rpm, and Ball-milling Time is
1.5h) obtain mixture;
3) by the mixture, potassium titanate crystal whisker (average diameter 8um, average length 30um), graphene according to 10:1.2:
0.3 weight ratio carries out being mixed to get the Whole PC BN blade binder A3.
Comparative example 1
It carries out that binder B1 is made according to the method for embodiment 1, except that potassium titanate crystal whisker is not used.
Comparative example 2
It carries out that binder B2 is made according to the method for embodiment 1, except that graphene is not used.
Application examples 1
CBN monocrystalline powder, binder are mixed according to the weight ratio of 7:2.3, then protection gas deposit, 1800 DEG C, 5.5GPa
Under conditions of compacting 3min obtain Whole PC BN blade, then by SENB method detect Whole PC BN blade fracture toughness, knot
Fruit is as shown in table 1.
Table 1
Binder | A1 | A2 | A3 | B1 | B2 |
Fracture toughness/Pam0.5 | 5.8 | 5.9 | 6.0 | 4.6 | 4.1 |
The preferred embodiment of the present invention has been described above in detail, still, the tool during present invention is not limited to the embodiments described above
Body details within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, these letters
Monotropic type all belongs to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of preparation method of Whole PC BN blade binder characterized by comprising
1) cobalt powder, nickel powder, silicon powder, palladium powder are heat-treated in the presence of protecting gas, then cooling, first ball milling obtains ball
Grind object;
2) the ball milling object, aluminium oxide, titanium nitride, silicon carbide are subjected to secondary ball milling and obtain mixture;
3) mixture, potassium titanate crystal whisker, graphene are carried out being mixed to get the Whole PC BN blade binder;
Wherein, in step 1):
The heat treatment meets the following conditions: treatment temperature is 850-950 DEG C, and the processing time is 2-4h;
The cobalt powder, nickel powder, silicon powder, palladium powder weight ratio be 5:2-2.8:0.2-0.6:0.05-0.15;
The first ball milling meets the following conditions: the mass ratio of big ball and bead is 2:0.8-1.2, the mass ratio of abrading-ball and material
For 10:0.8-1.2, revolving speed 1200-1400rpm, Ball-milling Time 40-60min.
2. preparation method according to claim 1, wherein in step 2, the ball milling object, aluminium oxide, titanium nitride, carbon
The weight ratio of SiClx is 10:4-6:0.5-1:0.4-0.8.
3. preparation method according to claim 1, wherein in step 2, the secondary ball milling meets the following conditions: big
The mass ratio of ball and bead is 2:0.8-1.2, and the mass ratio of abrading-ball and material is 10:2-3, revolving speed 1700-1900rpm, ball
Time consuming is 1.5-2h.
4. preparation method according to claim 1, wherein in step 3), the mixture, potassium titanate crystal whisker, graphite
The weight ratio of alkene is 10:0.8-1.2:0.1-0.3.
5. preparation method according to claim 1, wherein in step 3), the potassium titanate crystal whisker meets: average diameter
For 1-8um, average length 30-200um.
6. a kind of Whole PC BN blade binder, which is characterized in that the Whole PC BN blade binder passes through claim 1-5
Any one of described in preparation method be prepared.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811015977.5A CN109082610A (en) | 2018-09-01 | 2018-09-01 | A kind of Whole PC BN blade binder and preparation method thereof |
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Application Number | Priority Date | Filing Date | Title |
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CN201811015977.5A CN109082610A (en) | 2018-09-01 | 2018-09-01 | A kind of Whole PC BN blade binder and preparation method thereof |
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Publication Number | Publication Date |
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CN109082610A true CN109082610A (en) | 2018-12-25 |
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Application Number | Title | Priority Date | Filing Date |
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CN201811015977.5A Withdrawn CN109082610A (en) | 2018-09-01 | 2018-09-01 | A kind of Whole PC BN blade binder and preparation method thereof |
Country Status (1)
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CN (1) | CN109082610A (en) |
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2018
- 2018-09-01 CN CN201811015977.5A patent/CN109082610A/en not_active Withdrawn
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Application publication date: 20181225 |
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