CN106834809A - A kind of high-performance carbide using cobalt-base alloys as Binder Phase - Google Patents
A kind of high-performance carbide using cobalt-base alloys as Binder Phase Download PDFInfo
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Abstract
The invention discloses a kind of high-performance carbide and preparation method thereof.The present invention prepares high-performance carbide using cobalt-base alloys as Binder Phase, and wherein cobalt-base alloys composition is Co-Al-W, and the molar percentage of each component is as follows：Co：78%-99%, Al：1%-10%, W：0.1%-12%.The hard alloy prepared using the present invention, WC particle size D<300nm, hardness is up to 2100HV, and sintering temperature reduces by 50 DEG C, and service life is up to 2.1 times of congruent standard rigid alloy.
Description
Technical field
The present invention relates to a kind of high-performance carbide, belong to hard alloy preparing technical field.
Background technology：
Hard alloy refers to, as hard phase, to use by one or more carbide of refractory metal (WC, TiC etc.)
Metal adhesive (Co, Fe, Ni etc.) is used as Binder Phase, the material manufactured through PM technique.Hard
Since alloy to the thirties in 20th century, ore instrument, cutting element, medical material, wear-resisting has been widely used in it
The first-class equipment of part, miniature drill.Developed rapidly with manufacturing, require it in height sintered carbide tool material
Possess high tenacity, i.e., so-called " double high alloys " while intensity.
Research shows, when the particle size of tungsten carbide (WC) is reduced to below sub-micron, Hardmetal materials
Hardness and wearability, intensity and toughness are improved, thus ultra-fine or even Nanograin Cemented Carbide exploitation into
For the focus competitively researched and developed.
Preparing ultra-fine cemented carbide must strictly control growing up for tungsten carbide crystal grain in sintering process.In order to strictly control
Tungsten carbide crystal grain processed is grown up, and the method for generally using is carried out including (1) using the means such as microwave, plasma discharging
Fast Sintering, but such method is high to equipment requirement, invests huge, industrial scale production difficulty is higher, into
This height；(2) during the ball mill mixing of raw material (tungsten carbide, cobalt powder) add grain growth inhibitor (VC,
Cr3C2, TaC etc.), disperse the grain growth inhibitors such as VC by ball mill mixing, in the temperature-fall period of sintering
Tungsten carbide " solution modeling " from Binder Phase, due to the presence for having the grain growth inhibitors such as VC so that WC is brilliant
The growth process of grain is inhibited.But add grain growth inhibitor also to there are many inevitable shortcomings, such as
Grain growth inhibitor " poor " in respective regions, causes the WC grain in these regions abnormal growth occur, abnormal
The crystal grain grown up usually turns into formation of crack, Brittleness Source, will bring adverse effect to whole hard metal article performance；
When grain growth inhibitor addition is excessive simultaneously, and the loss of alloy mechanical property will be caused.
The content of the invention
It is an object of the invention to provide a kind of high-performance carbide, the commercial scale of prior art presence is solved
Change that production difficulty is larger, the technical barrier such as high cost, WC grain abnormal growth, hole are more.
The technical solution that the present invention takes is：A kind of high-performance carbide, using cobalt-base alloys replace cobalt as
Binder Phase, wherein, cobalt-base alloys composition is Co-Al-W, and the molar percentage of each component is as follows：Co：78%-99%,
Al：1%-10%, W：0.1%-12%.
In described hard alloy, hard phase accounts for the 70wt%-95wt% of total hard alloy, and cobalt-base alloys accounts for total hard
The 5wt%-30wt% of alloy.
The preparation method of high-performance carbide of the present invention, described hard alloy be by above-mentioned cobalt-base alloys with
Hard phase is obtained after ball milling mixing, drying, compressing, vacuum high-temperature sintering.
Described vacuum high-temperature sintering is to be first to heat to 1350 DEG C -1450 DEG C, is incubated 1h-4h, then cools to 1200 DEG C
± 50 DEG C of insulation 2h-4h.
The present invention compared with prior art, with following beneficial effect：(1) by the present invention in that using cobalt-base alloys
Instead of Co as Binder Phase, so as to reduce temperature when liquid phase occurs so that the energy when lower temperature is sintered
The problems such as enough solving hole excessive, Binder Phase skewness, and WC particle is not easy to grow up, so as to obtain crystalline substance
Granularity is small, the hard alloy of high rigidity, high tenacity.(2) hard alloy of the present invention, WC particle size
D<300nm, hardness is up to 2100HV, and sintering temperature reduces by 50 DEG C, and service life is up to congruent
2.1 times of standard rigid alloy.
Specific embodiment
Embodiment 1：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 200nn, and hardness is 2100HV0.5, and service life reaches together
2.1 times of ingredient standard hard alloy.
Embodiment 2：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co99-Al1-W0.1) as former
Material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 260nm, and hardness is 2000HV0.5, and service life reaches together
1.4 times of ingredient standard hard alloy.
Embodiment 3：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co78-Al10-W12) as former
Material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 240nm, and hardness is 2030HV0.5, and service life reaches together
1.5 times of ingredient standard hard alloy.
Embodiment 4：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co89-Al5-W6) as raw material,
Wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours, will
The above-mentioned compound for preparing is pressed into pressed compact, and wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out very
Sky sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulation 2h are then cooled to.
Obtained hard alloy WC particle size is 270nm, and hardness is 2020HV0.5, and service life reaches congruent
1.8 times of standard rigid alloy.
Embodiment 5：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co84-Al7-W9) as raw material,
Wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours, will
The above-mentioned compound for preparing is pressed into pressed compact, and wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out very
Sky sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulation 2h are then cooled to.
Obtained hard alloy WC particle size is 260nm, and hardness is 2080HV0.5, and service life reaches congruent
1.9 times of standard rigid alloy.
Embodiment 6：Using cobalt-base alloys as the high-performance Y G10 hard alloy of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co93-Al3-W4) as raw material.
Wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 10wt% of total raw material.Ball milling 36 hours, will
Above-mentioned compound is pressed into pressed compact, and wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering,
Sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulation 2h are then cooled to.It is obtained
Hard alloy WC particle size is 250nm, and hardness is 2020HV0.5, and it is hard that service life reaches congruent standard
1.6 times of matter alloy.
Comparative example 1：Using cobalt as the YG10 hard alloy of Binder Phase
Cobalt (purity 99.9%, 300 mesh) is added as former from tungsten-carbide powder (purity 99.9%, 300 mesh)
Material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt accounts for the 10wt% of total raw material.Ball milling 36 hours, will be upper
State compound and be pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, burns
Knot technique is as follows：1400 DEG C are heated to, 2h is incubated.Obtained YG10 hard alloy WC particle size is 250nm,
Hardness is 1500HV0.5.
Each embodiment sees table 1 with comparative example composition and performance, and wherein cutting experiment parameter is as follows：The speed of mainshaft
3000r/min, amount of feeding 0.2mm/r, back engagement of the cutting edge 0.1mm, rapidoprint are cast iron (HT200).
Each composition cobalt-base alloys of table 1 as Binder Phase hard alloy composition and performance
Note：The column number value of working durability one is the congruent standard rigid alloy of correspondence (i.e.
Comparative example 1) lifetime multiplier.
Be can be seen that by upper table 1, substantially become as the WC particle size of the hard alloy of Binder Phase using cobalt-base alloys
Small, hardness and working durability significantly improve, and cobalt-base alloys composition is Co82-Al8-W10When, Cemented Carbide Properties
It is best.
The sintering temperature of hard alloy can be reduced as Binder Phase using cobalt-base alloys more preferably to embody, the present invention is used
Different sintering process are tested, and gained Cemented Carbide Properties see table 2.Hard alloy is (pure using tungsten-carbide powder
Degree 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) used as raw material, wherein tungsten-carbide powder is accounted for always
The 90wt% of raw material, cobalt-base alloys accounts for the 10wt% of total raw material.Wherein cutting experiment parameter is as follows：The speed of mainshaft
3000r/min, amount of feeding 0.2mm/r, back engagement of the cutting edge 0.1mm, rapidoprint are cast iron (HT200).
Using cobalt-base alloys as the hard alloy of Binder Phase under the different sintering process of table 2
Performance
Note：It is (i.e. right that the column number value of working durability one is the congruent standard rigid alloy of correspondence
Ratio 1) lifetime multiplier.
As shown in Table 2, using 1350 DEG C insulation 2h, after be cooled to 1200 DEG C insulation 2h sintering process close the most
Reason.
Cobalt-base alloys of the present invention is equally applicable for other trade mark hard alloy, and the present invention uses above-mentioned optimal cobalt-based
Alloying component (Co82-Al8-W10) as Binder Phase, prepare other trade mark hard alloy, specific embodiment and contrast
Under for example.
Embodiment 7：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 94wt% of total raw material, and cobalt-base alloys accounts for the 6wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1380 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 210nm, and hardness is 1800HV0.5, and service life reaches together
2 times of ingredient standard hard alloy.
Comparative example 2：Using cobalt as the hard alloy of Binder Phase
Cobalt (purity 99.9%, 300 mesh) is added as former from tungsten-carbide powder (purity 99.9%, 300 mesh)
Material, wherein tungsten-carbide powder accounts for the 94wt% of total raw material, and cobalt accounts for the 6wt% of total raw material.Ball milling 36 hours, will be upper
State compound and be pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, burns
Knot technique is as follows：It is heated to 1430 DEG C of insulation 2h.Obtained hard alloy WC particle size is 400nm, hardness
It is 1350HV0.5.
Embodiment 8：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 92wt% of total raw material, and cobalt-base alloys accounts for the 8wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1380 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 260nm, and hardness is 1750HV0.5, and service life reaches together
1.9 times of ingredient standard hard alloy.
Comparative example 3：Using cobalt as the hard alloy of Binder Phase
Cobalt (purity 99.9%, 300 mesh) is added as former from tungsten-carbide powder (purity 99.9%, 300 mesh)
Material, wherein tungsten-carbide powder accounts for the 92wt% of total raw material, and cobalt accounts for the 8wt% of total raw material.Ball milling 36 hours, will be upper
State compound and be pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, burns
Knot technique is as follows：It is heated to 1430 DEG C of insulation 2h.Obtained hard alloy WC particle size is 420nm, hardness
It is 1300HV0.5.
Embodiment 9：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 85wt% of total raw material, and cobalt-base alloys accounts for the 15wt% of total raw material.Ball milling 36 hours,
The above-mentioned compound for preparing is pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed is carried out
Vacuum-sintering, sintering process is as follows：1350 DEG C are first heated to, 2h is incubated, 1200 DEG C of insulations are then cooled to
2h.Obtained hard alloy WC particle size is 260nm, and hardness is 1540HV0.5, and service life reaches together
2.1 times of ingredient standard hard alloy.
Comparative example 4：Using cobalt as the hard alloy of Binder Phase
Cobalt (purity 99.9%, 300 mesh) is added as former from tungsten-carbide powder (purity 99.9%, 300 mesh)
Material, wherein tungsten-carbide powder accounts for the 85wt% of total raw material, and cobalt accounts for the 15wt% of total raw material.Ball milling 36 hours, will be upper
State compound and be pressed into pressed compact, wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, burns
Knot technique is as follows：It is heated to 1400 DEG C of insulation 2h.Obtained hard alloy WC particle size is 410nm, hardness
It is 1140HV0.5.
Embodiment 10：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material, and cobalt-base alloys accounts for the 5wt% of total raw material, and titanium carbide accounts for total original
The 5% of material.Ball milling 36 hours, pressed compact is pressed into by the above-mentioned compound for preparing, and wherein pressing pressure is 100MPa.
The pressed compact that will be suppressed carries out vacuum-sintering, and sintering process is as follows：1450 DEG C are first heated to, 2h is incubated, then
Cool to 1200 DEG C of insulation 2h.Obtained hard alloy WC particle size is 260nm, and hardness is 1840HV0.5,
Service life reaches 2 times of congruent standard rigid alloy.
Comparative example 5：Using cobalt as the hard alloy of Binder Phase
Cobalt powder (purity 99.9%, 300 mesh) and TiC are added from tungsten-carbide powder (purity 99.9%, 300 mesh)
Used as raw material, wherein tungsten-carbide powder accounts for the 90wt% of total raw material to powder (purity 99.9%, 300 mesh), and cobalt is accounted for always
The 5wt% of raw material, titanium carbide accounts for the 5% of total raw material.Ball milling 36 hours, pressed compact is pressed into by above-mentioned compound, its
Middle pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, and sintering process is as follows：It is heated to 1500 DEG C
Insulation 2h.Obtained hard alloy WC particle size is 460nm, and hardness is 1440HV0.5.
Embodiment 11：Using cobalt-base alloys as the high-performance carbide of Binder Phase
From tungsten-carbide powder (purity 99.9%, 300 mesh) addition cobalt-base alloys (Co82-Al8-W10) as former
Material, wherein tungsten-carbide powder accounts for the 80wt% of total raw material, and cobalt-base alloys accounts for the 5wt% of total raw material, and titanium carbide accounts for total original
The 15% of material.Ball milling 36 hours, pressed compact is pressed into by the above-mentioned compound for preparing, and wherein pressing pressure is
100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, and sintering process is as follows：It is first heated to 1450 DEG C, insulation
2h, then cools to 1200 DEG C of insulation 2h.Obtained hard alloy WC particle size is 250nm, and hardness is
2100HV0.5, service life reaches 2 times of congruent standard rigid alloy.
Comparative example 6：Using cobalt as the hard alloy of Binder Phase
Cobalt powder (purity 99.9%, 300 mesh) and TiC are added from tungsten-carbide powder (purity 99.9%, 300 mesh)
Used as raw material, wherein tungsten-carbide powder accounts for the 80wt% of total raw material to powder (purity 99.9%, 300 mesh), and cobalt is accounted for always
The 5wt% of raw material, titanium carbide accounts for the 15% of total raw material.Ball milling 36 hours, pressed compact is pressed into by above-mentioned compound,
Wherein pressing pressure is 100MPa.The pressed compact that will be suppressed carries out vacuum-sintering, and sintering process is as follows：It is heated to
1530 DEG C of insulation 2h.Obtained hard alloy WC particle size is 450nm, and hardness is 1700HV0.5.
Each embodiment sees table 3 with comparative example composition and performance, and wherein cutting experiment parameter is as follows：The speed of mainshaft
3000r/min, amount of feeding 0.2mm/r, back engagement of the cutting edge 0.1mm, rapidoprint are cast iron (HT200).
The Co of table 382-Al8-W10The performance of different hardness alloy during as Binder Phase
Note：In addition to the service life of embodiment 9 and comparative example 4 is for roll campaign, remaining is the working durability.
The column number value of service life one is the lifetime multiplier of the congruent standard rigid alloy of correspondence.
From upper table 1-3, cobalt-base alloys of the present invention is applied to each trade mark hard alloy.
Claims (4)
1. a kind of high-performance carbide, it is characterised in that using cobalt-base alloys as Binder Phase, wherein, cobalt
Based alloy composition is Co-Al-W, and the molar percentage of each component is as follows：Co：78%-99%, Al：1%-10%,
W：0.1%-12%.
2. hard alloy as claimed in claim 1, it is characterised in that hard phase accounts for total hard alloy
70wt%-95wt%, cobalt-base alloys accounts for the 5wt%-30wt% of total hard alloy.
3. the preparation method of hard alloy as claimed in claim 1, it is characterised in that the hard alloy
It is that cobalt-base alloys and hard phase are obtained after ball milling mixing, drying, compressing, vacuum high-temperature sintering.
4. the preparation method of hard alloy as claimed in claim 3, it is characterised in that described vacuum is high
Temperature sintering is to be first to heat to 1350 DEG C -1450 DEG C, is incubated 1h-4h, then cools to 1200 DEG C of ± 50 DEG C of insulations
2h-4h。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041280A (en) * | 2019-12-12 | 2020-04-21 | 西安航天新宇机电装备有限公司 | Co-Al-W alloy bar and preparation method thereof |
| CN116815004A (en) * | 2023-06-08 | 2023-09-29 | 辽宁红银金属有限公司 | Cobalt-based superalloy and preparation method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844153A (en) * | 1995-07-12 | 1998-12-01 | Emtec Magnetics Gmbh | Cobalt binder metal alloy |
| CN1274761A (en) * | 1999-04-05 | 2000-11-29 | 三菱综合材料株式会社 | Cutting insert blade for metallic ceramic |
| CN1450188A (en) * | 2003-04-22 | 2003-10-22 | 上海大学 | Superfine carbide alloy and mfg method thereof |
| CN1490423A (en) * | 2003-07-21 | 2004-04-21 | 北京科技大学 | Cobalt based bonding phase material for refractory antistick tungsten carbide alloy |
| US20050115742A1 (en) * | 2002-03-28 | 2005-06-02 | Daub Hans W. | Hard metal or cermet cutting material and the use thereof |
| CN1791692A (en) * | 2003-05-20 | 2006-06-21 | 埃克森美孚研究工程公司 | Erosion-corrosion resistant nitride cermets |
| CN101198762A (en) * | 2004-04-28 | 2008-06-11 | Tdy工业公司 | Earth-boring bits |
| CN101760685A (en) * | 2008-12-25 | 2010-06-30 | 北京有色金属研究总院 | Superfine WC-Co cemented carbide containing rare-earth elements and preparation method thereof |
| CN102459667A (en) * | 2009-05-12 | 2012-05-16 | Tdy工业公司 | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks |
| CN102858482A (en) * | 2010-02-12 | 2013-01-02 | 六号元素磨料股份有限公司 | Superhard tool tip, method for making same and tool comprising same |
| CN103592323A (en) * | 2013-11-15 | 2014-02-19 | 株洲硬质合金集团有限公司 | Method for analyzing and detecting solid solubility of tungsten in cemented carbide binding phase |
| CN104388722A (en) * | 2014-11-07 | 2015-03-04 | 厦门钨业股份有限公司 | Hard alloy with binding phase intensified by virtue of heat treatment and preparation method of hard alloy |
| CN104988373A (en) * | 2015-08-06 | 2015-10-21 | 广东工业大学 | Surface-hardened gradient cemented carbide and preparation method thereof |
-
2015
- 2015-12-04 CN CN201510886066.XA patent/CN106834809A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844153A (en) * | 1995-07-12 | 1998-12-01 | Emtec Magnetics Gmbh | Cobalt binder metal alloy |
| CN1274761A (en) * | 1999-04-05 | 2000-11-29 | 三菱综合材料株式会社 | Cutting insert blade for metallic ceramic |
| US20050115742A1 (en) * | 2002-03-28 | 2005-06-02 | Daub Hans W. | Hard metal or cermet cutting material and the use thereof |
| CN1450188A (en) * | 2003-04-22 | 2003-10-22 | 上海大学 | Superfine carbide alloy and mfg method thereof |
| CN1791692A (en) * | 2003-05-20 | 2006-06-21 | 埃克森美孚研究工程公司 | Erosion-corrosion resistant nitride cermets |
| CN1490423A (en) * | 2003-07-21 | 2004-04-21 | 北京科技大学 | Cobalt based bonding phase material for refractory antistick tungsten carbide alloy |
| CN101198762A (en) * | 2004-04-28 | 2008-06-11 | Tdy工业公司 | Earth-boring bits |
| CN101760685A (en) * | 2008-12-25 | 2010-06-30 | 北京有色金属研究总院 | Superfine WC-Co cemented carbide containing rare-earth elements and preparation method thereof |
| CN102459667A (en) * | 2009-05-12 | 2012-05-16 | Tdy工业公司 | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks |
| CN102858482A (en) * | 2010-02-12 | 2013-01-02 | 六号元素磨料股份有限公司 | Superhard tool tip, method for making same and tool comprising same |
| CN103592323A (en) * | 2013-11-15 | 2014-02-19 | 株洲硬质合金集团有限公司 | Method for analyzing and detecting solid solubility of tungsten in cemented carbide binding phase |
| CN104388722A (en) * | 2014-11-07 | 2015-03-04 | 厦门钨业股份有限公司 | Hard alloy with binding phase intensified by virtue of heat treatment and preparation method of hard alloy |
| CN104988373A (en) * | 2015-08-06 | 2015-10-21 | 广东工业大学 | Surface-hardened gradient cemented carbide and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041280A (en) * | 2019-12-12 | 2020-04-21 | 西安航天新宇机电装备有限公司 | Co-Al-W alloy bar and preparation method thereof |
| CN111041280B (en) * | 2019-12-12 | 2021-04-13 | 西安航天新宇机电装备有限公司 | Co-Al-W alloy bar and preparation method thereof |
| CN116815004A (en) * | 2023-06-08 | 2023-09-29 | 辽宁红银金属有限公司 | Cobalt-based superalloy and preparation method thereof |
| CN116815004B (en) * | 2023-06-08 | 2024-02-06 | 辽宁红银金属有限公司 | Cobalt-based superalloy and preparation method thereof |
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