CN110106424A - A kind of hard alloy bar and its manufacturing method - Google Patents
A kind of hard alloy bar and its manufacturing method Download PDFInfo
- Publication number
- CN110106424A CN110106424A CN201910512694.XA CN201910512694A CN110106424A CN 110106424 A CN110106424 A CN 110106424A CN 201910512694 A CN201910512694 A CN 201910512694A CN 110106424 A CN110106424 A CN 110106424A
- Authority
- CN
- China
- Prior art keywords
- powder
- parts
- hard alloy
- alloy bar
- nbc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- 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
- C22C29/067—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 comprising a particular metallic binder
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of hard alloy bar and its manufacturing method, the raw material including following mass fraction: 4-6 parts of Co powder, Ni32 parts of Al powder 3-5, NbC powder, 2 parts of TiC powder, surplus are WC powder.The present invention passes through with Ni3The theory of the alternative Co of Al can produce the hard alloy bar of similar stiffness, improve the fracture toughness of hard bar, the demand for Co rare earth resources be reduced, to reduce the production cost of hard alloy.Meanwhile being polished by the sublevel to the technique wet-milling stage, process time can be effectively saved, reduces production cost indirectly.
Description
Technical field
The present invention relates to hard alloy manufacturing technology field, specially a kind of hard alloy bar and its manufacturing method.
Background technique
Hard alloy is hard compounds and binding metal one kind made of powder metallurgical technique of refractory metal
Alloy material, hard alloy bar refer to wolfram steel pole more, because its with hardness high, wear-resisting, intensity and good toughness, heat-resisting, corrosion resistant
The excellent performances such as erosion, are widely used in the cutter materials such as lathe tool, milling cutter, drill bit.
Document [the Ultra-fine Graineds such as Ma Chunhong, Ma Ruixin, Xiao Daihong, Zhong Jingming, Zhu Hongmin WC-Ni3Al hard alloy it is micro-
Microstructure and property research, " heat processing technique " in August, 2016 the 16th phase of volume 45] it points out, superfine WC-Co cemented carbide, because
Cobalt resource is constantly reduced, and promoting carbonization base cemented carbide, increased production cost, limits the further application of cobalt, thus,
It is studied in conjunction with recent domestic, proposes Ni between metal3Al compound is because having high-melting-point, high rigidity, excellent corrosion protection
Can and the advantages that high-temperature resistant and creep-resistant, it is expected to the shortcomings that improving WC-Co series hard metal, to find the substitute of Co.
The quality of hard alloy material depends on the chemical analysis and institutional framework of the alloy, and both of which is by alloy
Manufacturing process and technological parameter dominate.Wherein, chemical analysis and constituent are to determine material " internal cause ", manufacturing process and technique
Parameter is to influence material " external cause ", and endexoteric complements each other.
Therefore, the application proposes a kind of hard alloy bar and its manufacturing method, it is intended to propose a kind of reduction Co usage amount,
In conjunction with fabrication process parameters, the advantages of improving hard alloy material, optimization technological process.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides a kind of hard alloy bar and its manufacturing method, solves
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of hard alloy bar, including following quality are divided
Several raw material: 4-6 parts of Co powder, Ni32 parts of Al powder 3-5, NbC powder, 2 parts of TiC powder, surplus are WC powder.
Preferably, the raw material including following mass fraction: 4 parts of Co powder, Ni3Al powder 5,2 parts of NbC powder, TiC powder
2 parts, surplus be WC powder.
Preferably, the raw material including following mass fraction: 5 parts of Co powder, Ni3Al powder 4,2 parts of NbC powder, TiC powder
2 parts, surplus be WC powder.
Preferably, the raw material including following mass fraction: 6 parts of Co powder, Ni3Al powder 3,2 parts of NbC powder, TiC powder
2 parts, surplus be WC powder.
Preferably, the granularity of WC powder is 200nm, Co powder 200nm, Ni31.5 μm of Al powder, 2 μm of NbC powder, TiC
4 μm of powder.
Preferably, the specific gravity of Ni powder and Al powder is 3:1.
A kind of manufacturing method of hard alloy bar, comprising the following steps:
By Co powder, Ni3After Al powder, NbC powder, TiC powder, WC powder mix in proportion, forming agent is added, wet
Wet-milling 60h is carried out in grinding machine, blasts argon gas and 100~120 DEG C of abrasive material 12h of constant temperature, the ball milling on planetary ball mill again later
It is spray-dried, pelletizes, vacuum-sintering after 30-40h.
Preferably, during the constant temperature abrasive material 12h, every gas in a 2h machine of extraction a to atmospheric pressure.
The present invention have it is following the utility model has the advantages that
The present invention passes through with Ni3The theory of the alternative Co of Al can produce the hard alloy bar of similar stiffness, improve hard
The fracture toughness of bar reduces the demand for Co rare earth resources, to reduce the production cost of hard alloy.Meanwhile it is logical
The sublevel polishing to the technique wet-milling stage is crossed, process time can be effectively saved, reduce production cost indirectly.
Specific embodiment
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
A kind of manufacturing method of hard alloy bar includes the following steps: Co powder, Ni3Al powder, NbC powder,
After TiC powder, WC powder mix in proportion, wherein 4 parts of Co powder, Ni35 parts of Al powder, 2 parts of NbC powder, 2 parts of TiC powder,
87 parts of WC powder, add forming agent mixing, carry out wet-milling 60h in merging wet milk, blast again later argon gas and constant temperature 100~
120 DEG C of abrasive material 12h, during this period, every gas in a 2h machine of extraction a to atmospheric pressure, wherein the gas extracted
Then compound material is placed in ball milling 40h in planetary ball mill, is pelletized after spray drying through cooling solution-air separation and recovery argon gas,
It is placed in vacuum sintering furnace, with 50~100Pa, 80min is calcined in 1000~1600 DEG C of heat preservations, and furnace is cooled to room temperature acquisition later
Hard alloy wolfram steel stick.
Embodiment two
A kind of manufacturing method of hard alloy bar includes the following steps: Co powder, Ni3Al powder, NbC powder,
After TiC powder, WC powder mix in proportion, wherein 5 parts of Co powder, Ni34 parts of Al powder, 2 parts of NbC powder, 2 parts of TiC powder,
87 parts of WC powder, add forming agent mixing, carry out wet-milling 60h in merging wet milk, blast again later argon gas and constant temperature 100~
120 DEG C of abrasive material 12h, during this period, every gas in a 2h machine of extraction a to atmospheric pressure, wherein the gas extracted
Then compound material is placed in ball milling 35h in planetary ball mill, is pelletized after spray drying through cooling solution-air separation and recovery argon gas,
It is placed in vacuum sintering furnace, with 50~100Pa, 70min is calcined in 1000~1600 DEG C of heat preservations, and furnace is cooled to room temperature acquisition later
Hard alloy wolfram steel stick.
Embodiment three
A kind of manufacturing method of hard alloy bar includes the following steps: Co powder, Ni3Al powder, NbC powder,
After TiC powder, WC powder mix in proportion, wherein 6 parts of Co powder, Ni33 parts of Al powder, 2 parts of NbC powder, 2 parts of TiC powder,
87 parts of WC powder, add forming agent mixing, carry out wet-milling 60h in merging wet milk, blast again later argon gas and constant temperature 100~
120 DEG C of abrasive material 12h, during this period, every gas in a 2h machine of extraction a to atmospheric pressure, wherein the gas extracted
Then compound material is placed in ball milling 30h in planetary ball mill, is pelletized after spray drying through cooling solution-air separation and recovery argon gas,
It is placed in vacuum sintering furnace, with 50~100Pa, 60min is calcined in 1000~1600 DEG C of heat preservations, and furnace is cooled to room temperature acquisition later
Hard alloy wolfram steel stick.
| Classification | Hardness (HRA) | Fracture toughness (MPam1/2) |
| Embodiment one | 91.8 | 14.6 |
| Embodiment two | 91.2 | 15.8 |
| Embodiment three | 90.7 | 16.9 |
In upper table statistics indicate that, in Co and Ni3It is appropriate to reduce Co content in the case that Al total amount is held essentially constant, it mentions
Rise Ni3Al content, in the hard alloy bar of acquisition, hardness reduces that amplitude is smaller, correspondingly, can get mentioning for fracture toughness
It rises.In the case where keeping WC hard phase total amount constant, Co and Ni3In the case that the total amount of Al Binder Phase is also constant, with NbC and
TiC can inhibit WC grain to grow up, therefore can guarantee that the hardness entire change of hard alloy is smaller.It can ensure hard as a result,
Under the premise of the hardness of alloy is basically unchanged, the fracture toughness of hard alloy is properly increased, especially reduces the usage amount of Co.
In terms of manufacturing process, since by forming agent, with mixed-powder wet-milling together, forming agent can be formed on powder surface
Relatively thin protective layer obstructs oxidation process, can effectively reduce the oxygenation effect in wet-milling stage, secondly, in the protection gas constant temperature stage,
The hygroscopic water of compound material is removed in advance, reduces technique subsequent drying time, about 2h can be saved, protects gas after simple process recycles
Also it can continue on for the subsequent vacuum-sintering stage.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of hard alloy bar, which is characterized in that the raw material including following mass fraction: 4-6 parts of Co powder, Ni3Al powder
2 parts of 3-5, NbC powder, 2 parts of TiC powder, surplus are WC powder.
2. a kind of hard alloy bar according to claim 1, which is characterized in that the raw material including following mass fraction:
4 parts of Co powder, Ni3Al powder 5,2 parts of NbC powder, 2 parts of TiC powder, surplus are WC powder.
3. a kind of hard alloy bar according to claim 1, which is characterized in that the raw material including following mass fraction:
5 parts of Co powder, Ni3Al powder 4,2 parts of NbC powder, 2 parts of TiC powder, surplus are WC powder.
4. a kind of hard alloy bar according to claim 1, which is characterized in that the raw material including following mass fraction:
6 parts of Co powder, Ni3Al powder 3,2 parts of NbC powder, 2 parts of TiC powder, surplus are WC powder.
5. a kind of hard alloy bar according to claim 1, which is characterized in that the granularity of WC powder be 200nm,
Co powder 200nm, Ni31.5 μm of Al powder, 2 μm of NbC powder, 4 μm of TiC powder.
6. any a kind of hard alloy bar according to claim 1~4, which is characterized in that Ni powder and Al powder
Specific gravity is 3:1.
7. the manufacturing method of a kind of hard alloy bar according to claim 1~4, which is characterized in that including with
Lower step:
By Co powder, Ni3After Al powder, NbC powder, TiC powder, WC powder mix in proportion, forming agent is added, in wet milk
Interior progress wet-milling 60h blasts argon gas and constant temperature 100~120 DEG C of abrasive material 12h, the ball milling 30- on planetary ball mill again later
It is spray-dried, pelletizes, 60~80min of vacuum-sintering after 40h.
8. a kind of manufacturing method of hard alloy bar according to claim 7, it is characterised in that: the constant temperature abrasive material
During 12h, every gas in a 2h machine of extraction a to atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512694.XA CN110106424A (en) | 2019-06-13 | 2019-06-13 | A kind of hard alloy bar and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512694.XA CN110106424A (en) | 2019-06-13 | 2019-06-13 | A kind of hard alloy bar and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110106424A true CN110106424A (en) | 2019-08-09 |
Family
ID=67495043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910512694.XA Pending CN110106424A (en) | 2019-06-13 | 2019-06-13 | A kind of hard alloy bar and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110106424A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791692A (en) * | 2019-10-22 | 2020-02-14 | 白福林 | Preparation method of hard alloy |
| CN112941353A (en) * | 2021-01-28 | 2021-06-11 | 长江武汉航道工程局 | High-strength tungsten alloy high-pressure oil pump plunger coupling part and preparation method thereof |
| WO2022233589A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Method for producing a cemented carbide material having a reinforced binder phase |
| WO2022233590A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Cemented carbide material |
| WO2022233491A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Method for manufacturing a cemented-carbide body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466829A (en) * | 1981-04-06 | 1984-08-21 | Mitsubishi Kinzoku Kabushiki Kaisha | Tungsten carbide-base hard alloy for hot-working apparatus members |
| US5015290A (en) * | 1988-01-22 | 1991-05-14 | The Dow Chemical Company | Ductile Ni3 Al alloys as bonding agents for ceramic materials in cutting tools |
| CN101624673A (en) * | 2009-08-14 | 2010-01-13 | 北京工业大学 | Industrialized preparation method of WC-Co hard alloy with low cost and high performance |
| CN106191607A (en) * | 2016-08-19 | 2016-12-07 | 河源富马硬质合金股份有限公司 | A kind of hard alloy bar and manufacture method thereof |
| CN107099688A (en) * | 2017-04-27 | 2017-08-29 | 陕西理工大学 | Large volume fraction laves high temperature coheres the preparation method of hard alloy |
-
2019
- 2019-06-13 CN CN201910512694.XA patent/CN110106424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466829A (en) * | 1981-04-06 | 1984-08-21 | Mitsubishi Kinzoku Kabushiki Kaisha | Tungsten carbide-base hard alloy for hot-working apparatus members |
| US5015290A (en) * | 1988-01-22 | 1991-05-14 | The Dow Chemical Company | Ductile Ni3 Al alloys as bonding agents for ceramic materials in cutting tools |
| CN101624673A (en) * | 2009-08-14 | 2010-01-13 | 北京工业大学 | Industrialized preparation method of WC-Co hard alloy with low cost and high performance |
| CN106191607A (en) * | 2016-08-19 | 2016-12-07 | 河源富马硬质合金股份有限公司 | A kind of hard alloy bar and manufacture method thereof |
| CN107099688A (en) * | 2017-04-27 | 2017-08-29 | 陕西理工大学 | Large volume fraction laves high temperature coheres the preparation method of hard alloy |
Non-Patent Citations (2)
| Title |
|---|
| 羊建高: "《硬质合金》", 31 December 2012, 中南大学出版社 * |
| 陈勇志等: "《机械制造工程技术基础》", 28 February 2015, 西南交通大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791692A (en) * | 2019-10-22 | 2020-02-14 | 白福林 | Preparation method of hard alloy |
| CN112941353A (en) * | 2021-01-28 | 2021-06-11 | 长江武汉航道工程局 | High-strength tungsten alloy high-pressure oil pump plunger coupling part and preparation method thereof |
| WO2022233589A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Method for producing a cemented carbide material having a reinforced binder phase |
| WO2022233590A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Cemented carbide material |
| WO2022233491A1 (en) * | 2021-05-03 | 2022-11-10 | Betek Gmbh & Co. Kg | Method for manufacturing a cemented-carbide body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110106424A (en) | A kind of hard alloy bar and its manufacturing method | |
| CN102600928B (en) | Inserted tooth hammer of crushing machine | |
| CN104057404B (en) | A kind of multiple grinding three-dimensional for preparing sintered carbide tools works in coordination with arrangement method | |
| CN107932347B (en) | Diamond grinding wheel and preparation method thereof | |
| CN103741000B (en) | Ultra-fine Grained gradient hard alloy of a kind of rich surface cobalt and preparation method thereof | |
| CN101301686A (en) | Fe/Ni-based carbide alloy coating cutter material for cutting rolled steel and preparation thereof | |
| CN102363854A (en) | Superfine YG type hard alloy containing light-heavy rare earth and preparation method thereof | |
| CN102182223A (en) | Composite dipper tooth of excavator and manufacturing method thereof | |
| CN110640640A (en) | Metal-resin composite bonding agent diamond edge grinding wheel and manufacturing method thereof | |
| CN102861917B (en) | Preparation method of polycrystalline diamond compact covered by strong-combination chemical vapor deposition (CVD) diamond layer | |
| CN106191608A (en) | A kind of hard alloy in low cobalt of high temperature resistant, wear resistant corrosion resistant and preparation method thereof | |
| CN106985085A (en) | A kind of metal anchoring agent diamond wheel | |
| CN106086571B (en) | A kind of high-performance WC-Co regeneration hard alloy and preparation method thereof | |
| KR101363968B1 (en) | Polymetal powder and sintered component produced based on this powder | |
| CN111894473B (en) | Diamond-impregnated bit for drilling hard formation with strong abrasiveness and manufacturing method thereof | |
| CN103100977A (en) | Preparation method of high-strength diamond grinding wheel dressing pen | |
| CN110408828B (en) | Artificial diamond drill bit material, drill bit and production process thereof | |
| CN108818329B (en) | Diamond grinding wheel and preparation method thereof | |
| CN111702667B (en) | Elastic diamond grinding block with 320-mesh fine metal binding agent and preparation method thereof | |
| CN112359260B (en) | Hard alloy anvil as well as preparation method and application thereof | |
| CN111975663B (en) | Oilstone for honing TB6 titanium alloy material and preparation method and application thereof | |
| CN107598787A (en) | A kind of skive and its manufacture method | |
| CN112759371A (en) | Titanium nitride coated high-titanium corundum and preparation method and application thereof | |
| CN104131206A (en) | Titanium carbonitride-based hard alloy high-speed wire guide wheel material and preparation method thereof | |
| CN102418023A (en) | Preparation method of coating hard alloy matrix with surface-layer beta phase removing and gamma phase enriching gradient structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |