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 PDF

Info

Publication number
CN106834809A
CN106834809A CN201510886066.XA CN201510886066A CN106834809A CN 106834809 A CN106834809 A CN 106834809A CN 201510886066 A CN201510886066 A CN 201510886066A CN 106834809 A CN106834809 A CN 106834809A
Authority
CN
China
Prior art keywords
cobalt
base alloys
hard alloy
carbide
raw material
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
Application number
CN201510886066.XA
Other languages
Chinese (zh)
Inventor
孔见
陈宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201510886066.XA priority Critical patent/CN106834809A/en
Publication of CN106834809A publication Critical patent/CN106834809A/en
Pending legal-status Critical Current

Links

Landscapes

  • Powder Metallurgy (AREA)

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

A kind of high-performance carbide using cobalt-base alloys as Binder Phase
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。
CN201510886066.XA 2015-12-04 2015-12-04 A kind of high-performance carbide using cobalt-base alloys as Binder Phase Pending CN106834809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510886066.XA CN106834809A (en) 2015-12-04 2015-12-04 A kind of high-performance carbide using cobalt-base alloys as Binder Phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510886066.XA CN106834809A (en) 2015-12-04 2015-12-04 A kind of high-performance carbide using cobalt-base alloys as Binder Phase

Publications (1)

Publication Number Publication Date
CN106834809A true CN106834809A (en) 2017-06-13

Family

ID=59151126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510886066.XA Pending CN106834809A (en) 2015-12-04 2015-12-04 A kind of high-performance carbide using cobalt-base alloys as Binder Phase

Country Status (1)

Country Link
CN (1) CN106834809A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (13)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN107475548B (en) A kind of preparation method of nanometer of toughening superfine WC-Co cemented carbide
CN105803288B (en) A kind of non-homogeneous gradient hard alloy and preparation method thereof
CN101824575B (en) Ultrafine grain wolfram carbide/ cobalt hard alloy and preparation method thereof
CN109252081A (en) A kind of high-entropy alloy Binder Phase ultrafine tungsten carbide hard alloy and preparation method thereof
CN100569978C (en) Nano WC-Co composite powder modified Ti (CN) based ceramic metal and preparation method thereof
CN101967593A (en) Ultrafine grain solid carbide material containing rare earth and preparation method thereof
JP2009074173A (en) Ultra-hard composite material and method for manufacturing the same
CN108118230B (en) Hard alloy and preparation method thereof
CN101301686A (en) Fe/Ni-based carbide alloy coating cutter material for cutting rolled steel and preparation thereof
CN109576545B (en) Ti (C, N) -based metal ceramic with mixed crystal structure and preparation method thereof
CN103276270B (en) A kind of ultra-fine/Nanograin Cemented Carbide Binder Phase and Synthesis and applications
CN104928512A (en) Method for preparing ultra-coarse-grain tungsten-cobalt hard alloy
CN109295373A (en) A kind of application of high-entropy alloy and preparation method thereof
JP2016098393A (en) Hard metal alloy
WO2012053237A1 (en) Wc-based cemented carbide cutting tool having high defect resistance for heat-resistant alloy cutting, and surface-coated wc-based cemented carbide cutting tool
CN103741001A (en) High-hardness and high-strength PY30T hard alloy and preparation method of high-hardness and high-strength PY30T hard alloy product
CN110144511A (en) A kind of non-homogeneous gradient hard alloy and preparation method thereof
TWI652352B (en) Eutectic porcelain gold material
JP2019035143A (en) Grade powders and sintered hard alloy compositions
CN109628786B (en) Forming preparation method of high-temperature-resistant strengthening and toughening Ti (C, N) -based metal ceramic product
CN107190165A (en) A kind of method for preparing high intensity WC Ni hard alloy
CN106834809A (en) A kind of high-performance carbide using cobalt-base alloys as Binder Phase
CN107739951A (en) A kind of high tough high-wearing feature polycrystalline Hardmetal materials
CN106399797B (en) One kind is with cobalt binder titanium carbide base wear-resisting and corrosion-resisting hard-alloy and preparation method
CN103667843B (en) A kind of preparation method of deep hole machining ultra-fine cemented carbide cutter material

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

Application publication date: 20170613

RJ01 Rejection of invention patent application after publication