CN106399792A - Cemented carbide and manufacturing method thereof - Google Patents
Cemented carbide and manufacturing method thereof Download PDFInfo
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- CN106399792A CN106399792A CN201610882052.5A CN201610882052A CN106399792A CN 106399792 A CN106399792 A CN 106399792A CN 201610882052 A CN201610882052 A CN 201610882052A CN 106399792 A CN106399792 A CN 106399792A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
- C22C2026/006—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being carbides
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Abstract
The invention belongs to the field of powder metallurgy and discloses cemented carbide. The cemented carbide is mainly prepared from the following raw materials: tungsten carbide powder, cobalt powder, WB (Me) of which the weight ratio is 0.1-2.0% of those of tungsten carbide powder and cobalt powder and diamond fine powder of which the weight ratio is 0.5-10.0% of those of tungsten carbide powder and cobalt powder, wherein the weight ratio of tungsten carbide powder to cobalt powder is 4:1. The invention further discloses a manufacturing method of the cemented carbide. The manufacturing method comprises the following steps: fully mixing the raw materials, including tungsten carbide powder, cobalt powder, WB (Me) of which the weight ratio is 0.1-2.0% of those of tungsten carbide powder and cobalt powder and diamond fine powder of which the weight ratio is 0.5-10.0% of those of tungsten carbide powder and cobalt powder, with glue for molding, wherein the weight ratio of tungsten carbide powder to cobalt powder is 4:1; pressing into a column shape in a die by use of a four-column press; after dewaxing, loading into composite pyrophyllite; using a six-surface diamond presser to perform heating and boosting sintering; and taking out after pressure relief. The abrasive resistance and the tenacity of the cemented carbide can be simultaneously improved, and the abrasive ratio of the finished cemented carbide is superior to that of conventional YG20 cemented carbide.
Description
【Technical field】
The invention belongs to field of powder metallurgy, more particularly, to a kind of hard alloy and its manufacture method.
【Background technology】
The yield of estimated China's hard alloy in 2016 will reach 30,000 tons, and total industrial output value reaches about 23,000,000,000 yuan.Hard
Alloy has very high hardness, intensity, wearability and corrosion resistance, is described as " industrial tooth ", for manufacturing cutting element, knife
Tool, drilling tool and wear-resisting spare part, be widely used in military project, space flight and aviation, machining, metallurgy, oil drilling, mine instrument,
The fields such as telecommunications, building, with the development of downstream industry, the hard alloy market demand continues to increase.Meanwhile, following high-new
The fast development of technology weapon equipment manufacturing, the progress of advanced science technology and nuclear power source, will be continuously increased and high-tech will be contained
The demand of the hart metal product of amount and high-quality stability.
YG20 hard alloy belongs to a branch in hard alloy field, and density is 13.4-13.7g/cm2, bending strength
It is not less than 2500N/cm2, hardness is not less than 85HRA, is suitable to make diel, such as punching press watch part, musical instrument spring leaf etc.；
Punching battery case, the mould of toothpaste；The diel of small size steel ball, screw, nut etc.；The pressing plate of hot rolling spiral bit
Deng.But the YG20 hard alloy of so parameter can not fully meet market demands.
【Content of the invention】
For solving above-mentioned technical problem, the present invention provides a kind of wear resistance ratio more preferably hard alloy and its manufacture method.
For solving above-mentioned technical problem, the embodiment of the present invention provides technical scheme below：
A kind of hard alloy, it is mainly obtained by following raw material：Tungsten-carbide powder, cobalt powder, weight are than for tungsten carbide powder
The diamond than the 0.5%-10.0% for tungsten-carbide powder and cobalt powder for the WB (Me) and weight of the 0.1%-2.0% of end and cobalt powder
The weight of micro mist, wherein tungsten-carbide powder and cobalt powder is than for 4:1.
Alternatively, the particle size range of described WB (Me) is：0.5-5.0 micron.
Alternatively, the particle size range of described diamond micro mist is：1.0-500.0 micron.
Alternatively, the granularity of described WB (Me) is 1 micron, and its weight ratio is for the 2.0% of tungsten-carbide powder and cobalt powder；Described
The granularity of diamond micro mist is 500 microns, and its weight ratio is for the 1.0% of tungsten-carbide powder and cobalt powder.
Alternatively, the granularity of described WB (Me) is 1 micron, and its weight ratio is for the 1.0% of tungsten-carbide powder and cobalt powder；Described
The granularity of diamond micro mist is 100 microns, and its weight ratio is for the 0.5% of tungsten-carbide powder and cobalt powder.
Alternatively, the granularity of described WB (Me) is 2 microns, and its weight ratio is for the 1.5% of tungsten-carbide powder and cobalt powder；Described
The granularity of diamond micro mist is 1 micron, and its weight ratio is for the 0.5% of tungsten-carbide powder and cobalt powder.
Alternatively, the granularity of described WB (Me) is 0.5 micron, and its weight ratio is for the 0.8% of tungsten-carbide powder and cobalt powder；Institute
The granularity stating diamond micro mist is 500 microns, and its weight ratio is for the 5.0% of tungsten-carbide powder and cobalt powder.
Alternatively, the granularity of described WB (Me) is 5.0 microns, and its weight ratio is for the 0.1% of tungsten-carbide powder and cobalt powder；Institute
The granularity stating diamond micro mist is 200 microns, and its weight ratio is for the 10.0% of tungsten-carbide powder and cobalt powder.
For solving above-mentioned technical problem, the embodiment of the present invention also provides technical scheme below：
A kind of manufacture method of hard alloy, including by raw material：Tungsten-carbide powder, cobalt powder, weight are than for tungsten carbide powder
The diamond than the 0.5%-10.0% for tungsten-carbide powder and cobalt powder for the WB (Me) and weight of the 0.1%-2.0% of end and cobalt powder
Micro mist, and shaping glue is sufficiently mixed, the wherein weight of tungsten-carbide powder and cobalt powder are than for 4:1, with four-column press in mould
It is pressed into column in tool, load after dewaxing in composite pyrophyllite using cubic hinge press increasing temperature and pressure sintering, take out after pressure release.
Alternatively, described increasing temperature and pressure sintering includes：First pressure line is boosted to 60Mpa for 2 minutes, pressurize 5 seconds is afterwards
Begin to warm up, the output current of heater was raised to 1080 amperes in 10 seconds, electric current was raised at a slow speed after 3 minutes by insulation again for 110 seconds
1450 amperes, constant temperature stops heat supply in 10 minutes, and power line returns to 0, then pressure release after two minutes, and pressure line returns to 0, sintering
Overall process was calculated according to the time providing electric current, totally 15 minutes.
Compared with prior art, the embodiment of the present invention with the addition of weight than for tungsten carbide in tungsten-carbide powder and cobalt powder
The WB (Me) of the 0.1%-2.0% of the powder and cobalt powder and weight brill than the 0.5%-10.0% for tungsten-carbide powder and cobalt powder
Stone micro mist, can improve the wearability of hard alloy and the toughness of the embodiment of the present invention, the wear resistance ratio of its finished product is better than existing simultaneously
YG20 hard alloy.
【Brief description】
Fig. 1 is the artwork of increasing temperature and pressure sintering in the hard alloy manufacture method in YG20 provided in an embodiment of the present invention.
【Specific embodiment】
In order that the purpose of the present invention, method scheme and advantage become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
The embodiment of the present invention provides a kind of YG20 hard alloy, and it is mainly obtained by following raw material：Tungsten-carbide powder, cobalt
Powder, weight are than the WB (Me) of the 0.1%-2.0% for tungsten-carbide powder and cobalt powder and weight than for tungsten-carbide powder and cobalt powder
0.5%-10.0% diamond micro mist.The weight of wherein tungsten-carbide powder and cobalt powder is than for 4:1.
WB (Me) is the boron series compound of tungsten, and wherein Me is the english abbreviation of metal, and noble metal rhenium Re is therein one
Plant optimal selection, also have other optional metals such as titanium, various rare earth element etc., its microhardness is 50Gpa.
The particle size range of described WB (Me) is：0.5-5.0 micron.
The particle size range of described diamond micro mist is：1.0-500.0 micron.
The embodiment of the present invention with the addition of weight than for tungsten-carbide powder and cobalt powder in tungsten-carbide powder and cobalt powder
The WB of 0.1%-2.0%nAnd the diamond micro mist than the 0.5%-10.0% for tungsten-carbide powder and cobalt powder for the weight (Me)
The WB (Me) of 1.0%-2.0%, can improve the wearability of YG20 hard alloy and the toughness of the embodiment of the present invention, its finished product simultaneously
Wear resistance ratio be better than existing YG20 hard alloy.
The embodiment of the present invention also provides a kind of manufacture method of YG20 hard alloy, including：By tungsten-carbide powder, cobalt powder,
Weight is than the WB (Me) of the 0.1%-2.0% for tungsten-carbide powder and cobalt powder, weight than for tungsten-carbide powder and cobalt powder
The diamond micro mist of 0.5%-10.0%, and shaping glue is sufficiently mixed, and is pressed into column in a mold with four-column press, takes off
Load after wax in composite pyrophyllite using cubic hinge press increasing temperature and pressure sintering, take out after pressure release, that is, obtain the embodiment of the present invention
YG20 hard alloy.
Described cubic hinge press uses 6 × 3000T press of Shaoguan Saipu Superhard Material Technology Co., Ltd.'s production.
The embodiment of the present invention adopts cubic hinge press hot pressed sintering manufacture to obtain the YG20 hard alloy of the embodiment of the present invention,
Its wearability and toughness get both, and performance is better than the YG20 hard alloy being obtained by vacuum or inert gas shielding sintering method.
Embodiment 1
Weigh the tungsten-carbide powder of 8 kilograms of 2.8-3.5 microns, 2 kilograms 1.0 microns of cobalt powder, 0.3 kilogram of shaping glue
Water, 0.2 kilogram 0.1～1 micron of WB (Me), and 0.1 kilogram 40～50 microns of diamond micro mist, and fully mixed by five
Close, be pressed into column in a mold with four-column press, load in composite pyrophyllite after 100-800 degree Celsius of dewaxing, then press Fig. 1
Shown sintering process line is sintered using cubic hinge press, and in figure abscissa is time shaft, and ordinate is that pressure, power are fixed
Property represents.First pressure line is boosted to 60Mpa for 2 minutes, pressurize begins to warm up for 5 seconds afterwards, 10 seconds output electricity by heater
Stream is raised to 1080 amperes, and electric current was raised at a slow speed 1450 amperes for 110 seconds after 3 minutes by insulation again, and constant temperature stops heat supply, work(in 10 minutes
Rate line returns to 0, then pressure release after two minutes, and pressure line returns to 0, and sintering overall process was calculated according to the time providing electric current,
Totally 15 minutes.The YG20 hard alloy examination after diamond micro mist and WB (Me) material modification of the embodiment of the present invention is taken out after pressure release
Test block, after processing, testing experiment block density is 13.4-13.7g/cm2, bending strength is not less than 3000N/cm2, hardness is not less than
85HRA.Survey existing YG20 hard alloy and the modified YG20 hard of the embodiment of the present invention with standard silicon carbide emery wheel respectively
Alloy, existing YG20 hard alloy is 3 relative to emery wheel abrasion:20, the modified YG20 hard alloy phase of the embodiment of the present invention
It is 2.2 to emery wheel abrasion:20.
Embodiment 2
Weigh the tungsten-carbide powder of 8 kilograms of 2.8-3.5 microns, 2 kilograms 1.0 microns of cobalt powder, 0.3 kilogram of shaping glue
Water, 0.1 kilogram 0.1～1 micron of WB (Me), and 0.05 kilogram 80～100 microns of diamond micro mist, and fully mixed by five
Close, be pressed into column in a mold with four-column press, load after 100-800 degree Celsius of dewaxing in composite pyrophyllite, using six faces
High pressure apparatus is sintered, and flow process, with embodiment 1, takes out changing through diamond micro mist and WB (Me) material of the embodiment of the present invention after pressure release
Property after YG20 hard alloy test block, after processing testing experiment block density be 13.4-13.7g/cm2, bending strength is not less than
3000N/cm2, hardness is not less than 85HRA.Survey existing YG20 hard alloy respectively with standard silicon carbide emery wheel and the present invention is real
Apply the modified YG20 hard alloy of example, existing YG20 hard alloy is 3 relative to emery wheel abrasion:20, the embodiment of the present invention changes
Property after YG20 hard alloy relative to emery wheel abrasion be 2.0:20.
Embodiment 3
Weigh the tungsten-carbide powder of 8 kilograms of 2.8-3.5 microns, 2 kilograms 1.0 microns of cobalt powder, 0.3 kilogram of shaping glue
Water, 0.15 kilogram 1～2 micron of WB (Me), and 0.05 kilogram 7～10 microns of diamond micro mist, and five are sufficiently mixed,
It is pressed into column in a mold with four-column press, load after 100-800 degree Celsius of dewaxing in composite pyrophyllite, using cubic pressure
Machine is sintered, flow process with embodiment 1, take out after pressure release the embodiment of the present invention after diamond micro mist and WB (Me) material modification
YG20 hard alloy test block, after processing testing experiment block density be 13.4-13.7g/cm2, bending strength is not less than
3200N/cm2, hardness is not less than 88HRA.Survey existing YG20 hard alloy respectively with standard silicon carbide emery wheel and the present invention is real
Apply the modified YG20 hard alloy of example, existing YG20 hard alloy is 3 relative to emery wheel abrasion:20, the embodiment of the present invention changes
Property after YG20 hard alloy relative to emery wheel abrasion be 2.4:20.
Embodiment 4
Weigh the tungsten-carbide powder of 8 kilograms of 2.8-3.5 microns, 2 kilograms 1.0 microns of cobalt powder, 0.3 kilogram of shaping glue
Water, 0.08 kilogram 0.5～1 micron of WB (Me), and 0.5 kilogram 450～500 microns of diamond micro mist, and abundant by five
Mixing, is pressed into column in a mold with four-column press, loads in composite pyrophyllite, using six after 100-800 degree Celsius of dewaxing
Face high pressure apparatus is sintered, flow process with embodiment 1, take out after pressure release the embodiment of the present invention through diamond micro mist and WB (Me) material
Modified YG20 hard alloy test block, after processing, testing experiment block density is 13.4-13.7g/cm2, bending strength is low
In 2800N/cm2, hardness is not less than 90HRA.Survey existing YG20 hard alloy and the present invention with standard silicon carbide emery wheel respectively
The modified YG20 hard alloy of embodiment, existing YG20 hard alloy is 3 relative to emery wheel abrasion:20, the embodiment of the present invention
Modified YG20 hard alloy is 1.0 relative to emery wheel abrasion:20.
Embodiment 5
Weigh the tungsten-carbide powder of 8 kilograms of 2.8-3.5 microns, 2 kilograms 1.0 microns of cobalt powder, 0.3 kilogram of shaping glue
Water, 0.01 kilogram 3.0～5.0 microns of WB (Me), and 1.0 kilograms 200～250 microns of diamond micro mist, and five are filled
Divide mixing, be pressed into column in a mold with four-column press, load after 100-800 degree Celsius of dewaxing in composite pyrophyllite, use
Cubic hinge press is sintered, flow process with embodiment 1, take out after pressure release the embodiment of the present invention through diamond micro mist and WB (Me) material
Expect modified YG20 hard alloy test block, after processing, testing experiment block density is 13.4-13.7g/cm2, bending strength is not
Less than 2800N/cm2, hardness is not less than 89HRA.With standard silicon carbide emery wheel survey respectively existing YG20 hard alloy and this
The modified YG20 hard alloy of bright embodiment, existing YG20 hard alloy is 3 relative to emery wheel abrasion:20, the present invention is implemented
The modified YG20 hard alloy of example is 1.5 relative to emery wheel abrasion:20.
In embodiments of the present invention, with the addition of weight in tungsten-carbide powder and cobalt powder than for tungsten-carbide powder and cobalt powder
The WB (Me) of the 0.1%-2.0% and weight diamond micro mist than the 0.5%-10.0% for tungsten-carbide powder and cobalt powder, can be same
The wearability of YG20 hard alloy of the Shi Tigao embodiment of the present invention and toughness, the wear resistance ratio of its finished product is hard better than existing YG20
Matter alloy.The embodiment of the present invention adopts cubic hinge press hot-pressing sintering technique to manufacture simultaneously, the property of the YG20 hard alloy of acquisition
Parameter can be better than existing vacuum or the YG20 hard alloy being obtained by inert gas shielding sintering method.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of hard alloy is it is characterised in that it is mainly obtained by following raw material：Tungsten-carbide powder, cobalt powder, weight ratio are
The WB (Me) of the 0.1%-2.0% of tungsten-carbide powder and cobalt powder and weight are than the 0.5%- for tungsten-carbide powder and cobalt powder
10.0% diamond micro mist, the wherein weight of tungsten-carbide powder and cobalt powder are than for 4:1.
2. hard alloy according to claim 1 is it is characterised in that the particle size range of described WB (Me) is：0.5-5.0 is micro-
Rice.
3. hard alloy according to claim 1 is it is characterised in that the particle size range of described diamond micro mist is：1.0-
500.0 micron.
4. the hard alloy according to claim 1-3 is one of any is it is characterised in that the granularity of described WB (Me) is 0.1
～1 micron, its weight is than for the 2.0% of tungsten-carbide powder and cobalt powder；The granularity of described diamond micro mist is 40～50 microns, and it is heavy
Amount compares for tungsten-carbide powder and cobalt powder 1.0%.
5. the hard alloy according to claim 1-3 is one of any is it is characterised in that the granularity of described WB (Me) is 0.1
～1 micron, its weight is than for the 1.0% of tungsten-carbide powder and cobalt powder；The granularity of described diamond micro mist is 80～100 microns, its
Weight is than for the 0.5% of tungsten-carbide powder and cobalt powder.
6. the hard alloy according to claim 1-3 is one of any is it is characterised in that the granularity of described WB (Me) is 1～2
Micron, its weight ratio is for the 1.5% of tungsten-carbide powder and cobalt powder；The granularity of described diamond micro mist is 7～10 microns, its weight ratio
For tungsten-carbide powder and cobalt powder 0.5%.
7. the hard alloy according to claim 1-3 is one of any is it is characterised in that the granularity of described WB (Me) is 0.5
～1 micron, its weight is than for the 0.8% of tungsten-carbide powder and cobalt powder；The granularity of described diamond micro mist is 450～500 microns, its
Weight is than for the 5.0% of tungsten-carbide powder and cobalt powder.
8. the hard alloy according to claim 1-3 is one of any is it is characterised in that the granularity of described WB (Me) is 3.0
～5.0 microns, its weight is than for the 0.1% of tungsten-carbide powder and cobalt powder；The granularity of described diamond micro mist is 200～250 microns,
Its weight is than for the 10.0% of tungsten-carbide powder and cobalt powder.
9. a kind of manufacture method of hard alloy is it is characterised in that include raw material：Tungsten-carbide powder, cobalt powder, weight ratio are
The WB (Me) of the 0.1%-2.0% of tungsten-carbide powder and cobalt powder and weight are than the 0.5%- for tungsten-carbide powder and cobalt powder
10.0% diamond micro mist, and shaping glue is sufficiently mixed, the wherein weight of tungsten-carbide powder and cobalt powder are than for 4:1, use
Four-column press is pressed into column in a mold, loads using cubic hinge press increasing temperature and pressure sintering in composite pyrophyllite after dewaxing,
Take out after pressure release.
10. manufacture method according to claim 9 is it is characterised in that described increasing temperature and pressure sintering includes：First by pressure
Line boosts to 60Mpa for 2 minutes, and pressurize begins to warm up for 5 seconds afterwards, the output current of heater is raised to 1080 amperes in 10 seconds, protects
Electric current was raised at a slow speed 1450 amperes for 110 seconds after 3 minutes by temperature again, and constant temperature stops heat supply in 10 minutes, and power line returns to 0, then
Pressure release after two minutes, pressure line returns to 0, and sintering overall process was calculated according to the time providing electric current, totally 15 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266939A (en) * | 2018-12-05 | 2019-01-25 | 株洲江钨博大硬面材料有限公司 | A kind of high-densit WC-WB-Co spherical powder hard material and preparation method thereof |
| JP2020037716A (en) * | 2018-09-03 | 2020-03-12 | ダイジ▲ェ▼ット工業株式会社 | Free-cutting hard metal |
| CN113669057A (en) * | 2021-08-06 | 2021-11-19 | 中国矿业大学 | Diamond composite cutting pick and low-temperature activation liquid phase sintering process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548567A (en) * | 2003-05-09 | 2004-11-24 | 张春友 | Non-magnetic WC hard alloy steel material |
| CN101151386A (en) * | 2005-03-28 | 2008-03-26 | 京瓷株式会社 | Ultra-hard alloy and cutting tool |
| JP2012077352A (en) * | 2010-10-01 | 2012-04-19 | National Institute Of Advanced Industrial Science & Technology | Cemented carbide alloy, and cemented carbide tool |
-
2016
- 2016-10-09 CN CN201610882052.5A patent/CN106399792A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548567A (en) * | 2003-05-09 | 2004-11-24 | 张春友 | Non-magnetic WC hard alloy steel material |
| CN101151386A (en) * | 2005-03-28 | 2008-03-26 | 京瓷株式会社 | Ultra-hard alloy and cutting tool |
| JP2012077352A (en) * | 2010-10-01 | 2012-04-19 | National Institute Of Advanced Industrial Science & Technology | Cemented carbide alloy, and cemented carbide tool |
Non-Patent Citations (1)
| Title |
|---|
| 陈文革: "《大学生生产实习教程 材料科学与工程大专业用》", 31 May 2014 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020037716A (en) * | 2018-09-03 | 2020-03-12 | ダイジ▲ェ▼ット工業株式会社 | Free-cutting hard metal |
| JP7385351B2 (en) | 2018-09-03 | 2023-11-22 | ダイジ▲ェ▼ット工業株式会社 | Free-cutting cemented carbide |
| CN109266939A (en) * | 2018-12-05 | 2019-01-25 | 株洲江钨博大硬面材料有限公司 | A kind of high-densit WC-WB-Co spherical powder hard material and preparation method thereof |
| CN109266939B (en) * | 2018-12-05 | 2020-07-24 | 株洲江钨博大硬面材料有限公司 | Preparation method of high-density WC-WB-Co spherical powder hard-face material |
| CN113669057A (en) * | 2021-08-06 | 2021-11-19 | 中国矿业大学 | Diamond composite cutting pick and low-temperature activation liquid phase sintering process thereof |
| CN113669057B (en) * | 2021-08-06 | 2022-05-10 | 中国矿业大学 | Diamond composite cutting pick and low-temperature activation liquid-phase sintering process thereof |
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Application publication date: 20170215 |