CN103331442B - The preparation method of a kind of nano junction mixture, the diamond composite cutter bit be made up of this bonding agent and composite cutter bit - Google Patents
The preparation method of a kind of nano junction mixture, the diamond composite cutter bit be made up of this bonding agent and composite cutter bit Download PDFInfo
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Abstract
The preparation method of a kind of nano junction mixture, the diamond composite cutter bit be made up of this bonding agent and composite cutter bit, belong to diamond and hard alloy composite material field, wherein, nano junction mixture is made up of the raw material of following weight percent: Co powder 95 ~ 99%, TiC powder 0.5 ~ 3%, Si powder 0.5 ~ 2%.The diamond composite cutter bit be made up of described nano junction mixture comprises hard alloy spherical-teeth matrix and is successively set on the 2nd transition zone, the 1st transition zone and the dimond synneusis layer on matrix, and the raw material of dimond synneusis layer consists of: bortz powder 93 ~ 97wt% and nano junction mixture 3 ~ 7wt%.Described composite cutter bit is prepared from through several steps such as assembling, precompressed, application of vacuum, HTHP sintering.Nano junction mixture provided by the invention has at high temperature under high pressure and well sinters facilitation, contributes to improving adamantine volume ratio in glomerocryst layer, strengthens wearability and the shock resistance of diamond composite cutter bit, extends its service life.
Description
Technical field
The invention belongs to diamond and hard alloy composite material field, be specifically related to a kind of nano junction mixture, and the diamond composite cutter bit be made up of this bonding agent.This composite cutter bit can be used as the cutting teeth of highway milling machine, for cutting old asphalt concrete pavement; Also can be used as the cutting teeth of coal-cutting machinery and road heading machinery, cut coal seam and rock stratum.The present invention also relates to the preparation method of diamond composite cutter bit simultaneously.
Background technology
At present, the cutting teeth of various places highway milling machine generally uses carbide alloy pick.But in the asphalt concrete pavement environment of complexity, the tooth head wearing and tearing of carbide alloy pick are very fast, and the easy rust of tooth head, mixes road surface to pitch and be difficult to form effective cutting.For the failure mode of carbide alloy pick, improve the wearability of tooth by changing the material composition cutting pick.Diamond is the material that current known hardness is the highest, the dimond synneusis composite cutter bit be made up of bortz powder interpolation adhesive has high strength, high rigidity, high-wearing feature, impact resistance and good self-sharpening, these good characteristics can be applied in bituminous paving and cut, and replace carbide alloy pick.Facts have proved, there is the dimond synneusis composite cutter bit of high abrasion, several times of hard-metal insert to tens times are even reached in the wearability of abrasion asphalt concrete pavement driving, while greatly extending service life, also drastically reduce the area the replacing number of times of pick, operating efficiency is significantly promoted.
Summary of the invention
Object of the present invention aims to provide a kind of nano junction mixture and utilizes dimond synneusis composite cutter bit that this bonding agent is made, that be applicable to brokenly road, provides the preparation method of this composite cutter bit to be another object of the present invention.
Based on above-mentioned purpose, this invention takes following technical scheme:
A kind of nano junction mixture, is made up of the raw material of following weight percent: Co powder 95 ~ 99%, TiC powder 0.5 ~ 3%, Si powder 0.5 ~ 2%.
The particle diameter of described TiC powder and Si powder is 35 ~ 40nm, and the particle diameter of described Co powder is 18 ~ 22nm.Select the raw material of this particle size range, be conducive to the wear-resisting and shock resistance strengthening dimond synneusis composite cutter bit.Co powder, TiC powder, the pure level of Si powder Optimization Analysis in bonding agent.
A kind of diamond composite cutter bit be made up of described nano junction mixture, described composite cutter bit comprises hard alloy spherical-teeth matrix and is successively set on the 2nd transition zone, the 1st transition zone and the dimond synneusis layer on matrix, and wherein the raw material of dimond synneusis layer consists of: bortz powder 93 ~ 97wt% and nano junction mixture 3 ~ 7wt%.Bortz powder is good to select particle diameter to be the raw material of 15 ~ 35 μm.
The percentage by weight of each layer is: dimond synneusis layer 55 ~ 65%, the 1st transition zone 15 ~ 20% and the 2nd transition zone 20 ~ 25%.
The raw material of described 1st transition zone consists of: bortz powder 55 ~ 65wt%, tungsten carbide powder 30 ~ 35wt%, nano junction mixture 5 ~ 10wt%, and wherein bortz powder particle diameter to be good between 8 ~ 12 μm, and tungsten carbide powder particle diameter is good between 1.0 ~ 1.2 μm.
The raw material of described 2nd transition zone consists of: bortz powder 25 ~ 35wt%, tungsten carbide powder 55 ~ 60wt%, nano junction mixture 10 ~ 15wt%, and wherein bortz powder preferable particle size is at the raw material of 4 ~ 6 μm, and tungsten carbide powder particle diameter is preferably between 1.4 ~ 2.0 μm.
The raw material of described hard alloy spherical-teeth matrix consists of: tungsten carbide powder 86.5 ~ 87.5wt%, cobalt powder 12.5 ~ 13.5wt%.When tungsten carbide powder particle diameter be 1.4 ~ 2.0 μm, cobalt powder particle diameter be 1.0 ~ 1.2 μm time, effect is better.
The preparation method of described diamond composite cutter bit, is characterized in that, comprises the following steps:
1) assemble: the raw material of dimond synneusis layer, the 1st transition zone, the 2nd transition zone is mixed respectively, then spreads successively in spherical molybdenum cup, put into hard alloy spherical-teeth matrix, buckle molybdenum bowl cover, form complex assembly;
2) precompressed: complex assembly is put into the pre-pressing mold of steel, is placed on hydraulic press and suppresses, pressure 10MPa;
3) application of vacuum: after precompressed, complex assembly is placed in vacuum sintering furnace ,≤3 × 10
-4in 600 ~ 750 DEG C of isothermal holding 1.5 ~ 3 hours under the vacuum condition of Pa;
4) HTHP sintering: the complex assembly of application of vacuum is placed in synthesis assembled block in, with cubic hinge press temperature be 1400 ~ 1500 DEG C, pressure be the condition of 6 ~ 7GPa under synthesis 15 ~ 35min.
In described preparation method, the raw material of planetary ball mill to dimond synneusis layer, the 1st transition zone, the 2nd transition zone is utilized to mix, during operation, the weight ratio of material and abrading-ball is 1: 1.5 ~ 3, and in ball grinder, be filled with liquid nitrogen, the volume ratio of material and abrading-ball cumulative volume and liquid nitrogen is 1: 1 simultaneously; Planetary ball mill parameter: revolution 40 ~ 60r/min, rotation 70 ~ 100r/min, Ball-milling Time 5 ~ 20 hours.
In described preparation method, before batch mixing, first described nano junction mixture is placed in hydrogen reducing furnace reduction treatment 1.5 ~ 3h at 600 ~ 750 DEG C; Carry out purified treatment to described diamond part before batch mixing: bortz powder is first boiled 5 ~ 10min with the sodium hydrate aqueous solution of 25 ~ 45%, boils 5 ~ 10min again after being washed with distilled water to neutrality with chloroazotic acid, distilled water washing is to neutral.
Nano junction mixture provided by the invention has at high temperature under high pressure and well sinters facilitation, can be combined with bortz powder well, form tough sintered body, contribute to improving adamantine volume ratio in glomerocryst layer, strengthen wearability and the shock resistance of diamond composite cutter bit, extend its service life.
The performance of diamond composite cutter bit in broken road utilizing described nano junction mixture to make is especially remarkable, its hard alloy spherical-teeth matrix is connected with adopting gradient transitional lay between diamond layer, breach the technical bottleneck that existing composite cutter bit high-wearing feature and toughness can not get both, obtain wearability and all good dimond synneusis composite cutter bit of shock resistance.By the appropriate design to transition zone and sintered carbide ball teeth material, solve the phenomenon such as layering and crackle caused due to thermal conductivity factor, thermal coefficient of expansion and elastic modulus difference between dimond synneusis layer and hard alloy substrate, enhance the combination between dimond synneusis layer and hard alloy spherical-teeth matrix.This composite cutter bit has high strength, high rigidity, high-wearing feature and good impact resistance and self-sharpening.
Meanwhile, present invention also offers the preparation method of described diamond composite cutter bit.This method adopts high-temperature and high-pressure technique that diamond is compound to hard alloy spherical-teeth on the surface, define the good diamond layer of wearability thereon, simultaneously, hard alloy substrate has again good impact flexibility, both complement each other, achieve the diamond composite cutter bit of performance brilliance, the cutting teeth of highway milling machine can have been it can be used as, participate in the cutting of asphalt concrete pavement.
In the process preparing composite cutter bit, for making nano material batch mixing even, this invention takes and utilize cryomilling to carry out the technology of batch mixing on planetary ball mill, in batch mixing process, in ball grinder, powder is in the liquid flow regime of inertia all the time, make institute's grind materials more even, and material can be solved sink to the bottom and glue tank problem.The batch mixing mechanism of star line ball mill is as follows: planetary ball mill is that four carbide alloy ball grinders are housed on a deep bid, and what abrading-ball adopted is sintered carbide ball; When deep bid rotates (revolution), grinding jar makes spinning motion (revolution: from rotating ratio 1:2) on its revolution orbit, deep bid and ball grinder are while doing planetary motion, can do again 360 ° of tipping bucket type upsets within the scope of a solid space, powder is in the liquid flow regime of inertia all the time in ball grinder.
In addition, carrying out the degassed process of vacuum high-temperature to complex assembly before sintering, is the volatile impurity in order to remove further in composite powder, and thoroughly eliminate impurity it sinters the adverse effect produced to dimond synneusis composite cutter bit.
Diamond composite cutter bit provided by the invention by adopting nano junction mixture in glomerocryst layer and backing powder formula, and be connected with adopting gradient transitional lay between diamond layer at hard alloy spherical-teeth matrix, breach the technical bottleneck of diamond compact high-wearing feature and high impact-resistant toughness.Compared with existing diamond composite cutter bit, wear resistance ratio brings up to 37 ~ 420,000 by 25 ~ 300,000, and toughness brings up to 410 ~ 450 joules by 250 ~ 300 joules; Heat endurance: 750 DEG C of roastings after 10 minutes, product abrasion than 36 ~ 400,000, toughness 400 ~ 430 joules; Service life brings up to more than 25 times of hard-metal insert by 10 ~ 15 times of hard-metal insert.
In addition, the present invention is investigated the microstructure of this dimond synneusis composite sheet, find, between nano junction mixture and diamond, there is good binding ability, illustrate that nano material bonding agent contributes to sintering and improves the one-tenth key density of (D-D key) between diamond.
Accompanying drawing explanation
Fig. 1 is the profile of diamond composite cutter bit of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
embodiment 1
A kind of nano junction mixture, is made up of the raw material of following weight percent: Co powder (18 ~ 22nm) 95%, TiC powder (35 ~ 40nm) 3%, Si powder (35 ~ 40nm) 2%.
The diamond composite cutter bit be made up of above-mentioned nano junction mixture, as shown in Figure 1, comprises hard alloy spherical-teeth matrix 4 and is successively set on the 2nd transition zone 3, the 1st transition zone 2 and the dimond synneusis layer 1 on matrix 4.The percentage by weight of each layer is: dimond synneusis layer 55%, the 1st transition zone 20% and the 2nd transition zone 25%.The raw material of dimond synneusis layer consists of: bortz powder (15 ~ 35 μm) 93wt% and nano junction mixture 7wt%.The raw material of the 1st transition zone consists of: bortz powder (8 ~ 12 μm) 55wt%, tungsten carbide powder (1.0 ~ 1.2 μm) 35wt%, nano junction mixture 10wt%.The raw material of the 2nd transition zone consists of: bortz powder (4 ~ 6 μm) 25wt%, tungsten carbide powder (1.4 ~ 2.0 μm) 60wt%, nano junction mixture 15wt%.The raw material of hard alloy spherical-teeth matrix consists of: tungsten carbide powder (1.4 ~ 2.0 μm) 86.5wt%, cobalt powder (1.0 ~ 1.2 μm) 13.5wt%.
The preparation method of diamond composite cutter bit, comprises the following steps:
(1) pretreatment of raw material: first described nano junction mixture is placed in hydrogen reducing furnace reduction treatment 2h at 750 DEG C before batch mixing; Bortz powder is first boiled 5min with the sodium hydrate aqueous solution of 35%, boils 5min again after being washed with distilled water to neutrality with chloroazotic acid, distilled water washing is to neutral.
(2) batch mixing: respectively dimond synneusis layer, the 1st transition zone, the 2nd transition zone are prepared burden according to aforementioned formula, then planetary ball mill is utilized to mix raw material respectively, during operation, the weight ratio of material and carbide alloy abrading-ball (φ 5) is 1: 3, in ball grinder, be filled with liquid nitrogen, the volume ratio of material and abrading-ball cumulative volume and liquid nitrogen is 1: 1 simultaneously; Planetary ball mill parameter: revolution 50r/min, rotation 100r/min, Ball-milling Time 20 hours.
(3) assemble: the raw material of dimond synneusis layer, the 1st transition zone, the 2nd transition zone is mixed respectively, then spreads successively in spherical molybdenum cup, put into hard alloy spherical-teeth matrix, buckle molybdenum bowl cover, form complex assembly;
(4) precompressed: complex assembly is put into the pre-pressing mold of steel, is placed on 100 t hydraulic press and suppresses, pressure 10MPa;
(5) application of vacuum: after precompressed, complex assembly is placed in vacuum sintering furnace ,≤3 × 10
-4in 700 DEG C of isothermal holding 2 hours under the vacuum condition of Pa;
(6) HTHP sintering: the complex assembly of application of vacuum is placed in synthesis assembled block, with cubic hinge press temperature be 1450 DEG C, pressure synthesizes 20min under being the condition of 6GPa.Cubic hinge press adopts six cylinder anisobaric modes (upper and lower cylinder pressure is higher than horizontal cylinder pressure 5%), and realizes the HTHP sintering of complex by upper and lower top hammer heating.
After tested, the main performance index of obtained diamond composite cutter bit is: (1) composite cutter bit wear resistance ratio is 410,000, toughness 450 joules; (2) composite cutter bit heat endurance: product is at 750 DEG C after roasting 10min, and composite sheet wear resistance ratio is 390,000, toughness 430 joules; (3) composite cutter bit is 27 times of hard-metal insert service life.
embodiment 2
A kind of nano junction mixture, is made up of the raw material of following weight percent: Co powder (18 ~ 22nm) 99%, TiC powder (35 ~ 40nm) 0.5%, Si powder (35 ~ 40nm) 0.5%.
A kind of diamond composite cutter bit be made up of above-mentioned nano junction mixture, comprise hard alloy spherical-teeth matrix and be successively set on the 2nd transition zone, the 1st transition zone and the dimond synneusis layer on matrix, the percentage by weight of each layer is: dimond synneusis layer 65%, the 1st transition zone 15% and the 2nd transition zone 20%.The raw material of dimond synneusis layer consists of: bortz powder (15 ~ 35 μm) 97wt% and nano junction mixture 3wt%.The raw material of the 1st transition zone consists of: bortz powder (8 ~ 12 μm) 65wt%, tungsten carbide powder (1.0 ~ 1.2 μm) 30wt%, nano junction mixture 5wt%.The raw material of the 2nd transition zone consists of: bortz powder (4 ~ 6 μm) 35wt%, tungsten carbide powder (1.4 ~ 2.0 μm) 55wt%, nano junction mixture 10wt%.The raw material of hard alloy spherical-teeth matrix consists of: tungsten carbide powder (1.4 ~ 2.0 μm) 87.5wt%, cobalt powder (1.0 ~ 1.2 μm) 12.5wt%.
The preparation method of diamond composite cutter bit, comprises the following steps:
(1) pretreatment of raw material: first described nano junction mixture is placed in hydrogen reducing furnace reduction treatment 3h at 600 DEG C before batch mixing; Bortz powder is first boiled 10min with the sodium hydrate aqueous solution of 25%, boils 10min again after being washed with distilled water to neutrality with chloroazotic acid, distilled water washing is to neutral.
(2) batch mixing: respectively dimond synneusis layer, the 1st transition zone, the 2nd transition zone are prepared burden according to aforementioned formula, then planetary ball mill is utilized to mix raw material respectively, during operation, the weight ratio of material and carbide alloy abrading-ball (φ 5) is 1: 2, in ball grinder, be filled with liquid nitrogen, the volume ratio of material and abrading-ball cumulative volume and liquid nitrogen is 1: 1 simultaneously; Planetary ball mill parameter: revolution 60r/min, rotation 80r/min, Ball-milling Time 6 hours.
(3) assemble: the raw material of dimond synneusis layer, the 1st transition zone, the 2nd transition zone is mixed respectively, then spreads successively in spherical molybdenum cup, put into hard alloy spherical-teeth matrix, buckle molybdenum bowl cover, form complex assembly;
(4) precompressed: complex assembly is put into the pre-pressing mold of steel, is placed on 100 t hydraulic press and suppresses, pressure 10MPa;
(5) application of vacuum: after precompressed, complex assembly is placed in vacuum sintering furnace ,≤3 × 10
-4in 600 DEG C of isothermal holding 3 hours under the vacuum condition of Pa;
(6) HTHP sintering: the complex assembly of application of vacuum is placed in synthesis assembled block, with cubic apparatus synthesis press temperature be 1500 DEG C, pressure synthesizes 15min under being the condition of 6GPa.
The diamond composite cutter bit obtained to the present embodiment is tested, and main performance index is: (1) composite cutter bit wear resistance ratio is 400,000, toughness 430 joules; (2) composite cutter bit heat endurance: product is at 750 DEG C after roasting 10min, and composite sheet wear resistance ratio is 38.5 ten thousand, toughness 420 joules; (3) composite cutter bit is 26 times of hard-metal insert service life.
embodiment 3
A kind of nano junction mixture, is made up of the raw material of following weight percent: Co powder (18 ~ 22nm) 97%, TiC powder (35 ~ 40nm) 2%, Si powder (35 ~ 40nm) 1%.
A kind of diamond composite cutter bit be made up of above-mentioned nano junction mixture, comprise hard alloy spherical-teeth matrix and be successively set on the 2nd transition zone, the 1st transition zone and the dimond synneusis layer on matrix, the percentage by weight of each layer is: dimond synneusis layer 60%, the 1st transition zone 18% and the 2nd transition zone 22%.The raw material of dimond synneusis layer consists of: bortz powder (15 ~ 35 μm) 95wt% and nano junction mixture 5wt%.The raw material of the 1st transition zone consists of: bortz powder (8 ~ 12 μm) 60wt%, tungsten carbide powder (1.0 ~ 1.2 μm) 32wt%, nano junction mixture 8wt%.The raw material of the 2nd transition zone consists of: bortz powder (4 ~ 6 μm) 30wt%, tungsten carbide powder (1.4 ~ 2.0 μm) 58wt%, nano junction mixture 12wt%.The raw material of hard alloy spherical-teeth matrix consists of: tungsten carbide powder (1.4 ~ 2.0 μm) 87wt%, cobalt powder (1.0 ~ 1.2 μm) 13wt%.
The preparation method of diamond composite cutter bit, comprises the following steps:
(1) pretreatment of raw material: first described nano junction mixture is placed in hydrogen reducing furnace reduction treatment 1.5h at 700 DEG C before batch mixing; Bortz powder is first boiled 8min with the sodium hydrate aqueous solution of 45%, boils 6min again after being washed with distilled water to neutrality with chloroazotic acid, distilled water washing is to neutral.
(2) batch mixing: respectively dimond synneusis layer, the 1st transition zone, the 2nd transition zone are prepared burden according to aforementioned formula, then planetary ball mill is utilized to mix raw material respectively, during operation, the weight ratio of material and carbide alloy abrading-ball (φ 5) is 1: 1.5, in ball grinder, be filled with liquid nitrogen, the volume ratio of material and abrading-ball cumulative volume and liquid nitrogen is 1: 1 simultaneously; Planetary ball mill parameter: revolution 40r/min, rotation 70r/min, Ball-milling Time 18 hours.
(3) assemble: the raw material of dimond synneusis layer, the 1st transition zone, the 2nd transition zone is mixed respectively, then spreads successively in spherical molybdenum cup, put into hard alloy spherical-teeth matrix, buckle molybdenum bowl cover, form complex assembly;
(4) precompressed: complex assembly is put into the pre-pressing mold of steel, is placed on 100 t hydraulic press and suppresses, pressure 10MPa;
(5) application of vacuum: after precompressed, complex assembly is placed in vacuum sintering furnace ,≤3 × 10
-4in 750 DEG C of isothermal holding 1.5 hours under the vacuum condition of Pa;
(6) HTHP sintering: the complex assembly of application of vacuum is placed in synthesis assembled block, with cubic apparatus synthesis press temperature be 1400 DEG C, pressure synthesizes 35min under being the condition of 7GPa.
The diamond composite cutter bit obtained to the present embodiment is tested, and main performance index is: (1) composite cutter bit wear resistance ratio is 41.5 ten thousand, toughness 420 joules; (2) composite cutter bit heat endurance: product is at 750 DEG C after roasting 10min, and composite sheet wear resistance ratio is 40.5 ten thousand, toughness 410 joules; (3) composite cutter bit is 25 times of hard-metal insert service life.
Claims (8)
1. the diamond composite cutter bit be made up of nano junction mixture, described composite cutter bit comprises hard alloy spherical-teeth matrix and is successively set on the 2nd transition zone, the 1st transition zone and the dimond synneusis layer on matrix, it is characterized in that, the raw material of described dimond synneusis layer consists of: bortz powder 93 ~ 97wt% and nano junction mixture 3 ~ 7wt%; Nano junction mixture is made up of the raw material of following weight percent: Co powder 95 ~ 99%, TiC powder 0.5 ~ 3%, Si powder 0.5 ~ 2%.
2. diamond composite cutter bit as claimed in claim 1, it is characterized in that, the percentage by weight of each layer is: dimond synneusis layer 55 ~ 65%, the 1st transition zone 15 ~ 20% and the 2nd transition zone 20 ~ 25%.
3. diamond composite cutter bit as claimed in claim 2, it is characterized in that, the raw material of described 1st transition zone consists of: bortz powder 55 ~ 65wt%, tungsten carbide powder 30 ~ 35wt%, nano junction mixture 5 ~ 10wt%.
4. diamond composite cutter bit as claimed in claim 2, it is characterized in that, the raw material of described 2nd transition zone consists of: bortz powder 25 ~ 35wt%, tungsten carbide powder 55 ~ 60wt%, nano junction mixture 10 ~ 15wt%.
5. the diamond composite cutter bit as described in as arbitrary in claim 1-4, it is characterized in that, the raw material of described hard alloy spherical-teeth matrix consists of: tungsten carbide powder 86.5 ~ 87.5wt%, cobalt powder 12.5 ~ 13.5wt%.
6. the preparation method of diamond composite cutter bit as described in as arbitrary in claim 1-4, is characterized in that, comprise the following steps:
1) assemble: the raw material of dimond synneusis layer, the 1st transition zone, the 2nd transition zone is mixed respectively, then spreads successively in spherical molybdenum cup, put into hard alloy spherical-teeth matrix, buckle molybdenum bowl cover, form complex assembly;
2) precompressed: complex assembly is put into the pre-pressing mold of steel, is placed on hydraulic press and suppresses, pressure 10MPa;
3) application of vacuum: after precompressed, complex assembly is placed in vacuum sintering furnace ,≤3 × 10
-4in 600 ~ 750 DEG C of isothermal holding 1.5 ~ 3 hours under the vacuum condition of Pa;
4) HTHP sintering: the complex assembly of application of vacuum is placed in synthesis assembled block in, with cubic hinge press temperature be 1400 ~ 1500 DEG C, pressure be the condition of 6 ~ 7GPa under synthesis 15 ~ 35min.
7. the preparation method of diamond composite cutter bit as claimed in claim 5, it is characterized in that, the raw material of planetary ball mill to dimond synneusis layer, the 1st transition zone, the 2nd transition zone is utilized to mix, during operation, the weight ratio of material and abrading-ball is 1: 1.5 ~ 3, in ball grinder, be filled with liquid nitrogen, the volume ratio of material and abrading-ball cumulative volume and liquid nitrogen is 1: 1 simultaneously; Planetary ball mill parameter: revolution 40 ~ 60r/min, rotation 70 ~ 100r/min, Ball-milling Time 5 ~ 20 hours.
8. the preparation method of diamond composite cutter bit as claimed in claim 6, is characterized in that, first described nano junction mixture is placed in hydrogen reducing furnace reduction treatment 1.5 ~ 3h at 600 ~ 750 DEG C before batch mixing; Carry out purified treatment to described diamond part before batch mixing: bortz powder is first boiled 5 ~ 10min with the sodium hydrate aqueous solution of 25 ~ 45%, boils 5 ~ 10min again after being washed with distilled water to neutrality with chloroazotic acid, distilled water washing is to neutral.
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Families Citing this family (15)
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| CN104959616B (en) * | 2015-06-23 | 2017-09-29 | 中南钻石有限公司 | Sandwich type dimond synneusis composite sheet and preparation method thereof and bonding agent used |
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| CN112780273A (en) * | 2021-02-01 | 2021-05-11 | 武汉玖石超硬材料有限公司 | High-impact-resistance anti-falling polycrystalline diamond hard alloy pick head and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482016A (en) * | 2009-01-19 | 2009-07-15 | 湖南飞瑞复合材料有限责任公司 | High-performance diamond composite cutter bit |
| CN102672184A (en) * | 2012-06-05 | 2012-09-19 | 赣县世瑞新材料有限公司 | Mining nano rare earth surface reinforced gradient hard alloy composite ball tooth and preparation method thereof |
| CN102794448A (en) * | 2012-07-30 | 2012-11-28 | 中南钻石股份有限公司 | Nanometal bonding agent and polycrystal CBN (cubic boron nitride) composite sheet made by using same |
| CN103069097A (en) * | 2010-08-11 | 2013-04-24 | 钴碳化钨硬质合金公司 | Cemented carbide compositions having cobalt-silicon alloy binder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040026983A1 (en) * | 2002-08-07 | 2004-02-12 | Mcalvain Bruce William | Monolithic point-attack bit |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482016A (en) * | 2009-01-19 | 2009-07-15 | 湖南飞瑞复合材料有限责任公司 | High-performance diamond composite cutter bit |
| CN103069097A (en) * | 2010-08-11 | 2013-04-24 | 钴碳化钨硬质合金公司 | Cemented carbide compositions having cobalt-silicon alloy binder |
| CN102672184A (en) * | 2012-06-05 | 2012-09-19 | 赣县世瑞新材料有限公司 | Mining nano rare earth surface reinforced gradient hard alloy composite ball tooth and preparation method thereof |
| CN102794448A (en) * | 2012-07-30 | 2012-11-28 | 中南钻石股份有限公司 | Nanometal bonding agent and polycrystal CBN (cubic boron nitride) composite sheet made by using same |
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