CN110152558A - Sintering device for superhard material and using method thereof - Google Patents

Sintering device for superhard material and using method thereof Download PDF

Info

Publication number
CN110152558A
CN110152558A CN201910452998.1A CN201910452998A CN110152558A CN 110152558 A CN110152558 A CN 110152558A CN 201910452998 A CN201910452998 A CN 201910452998A CN 110152558 A CN110152558 A CN 110152558A
Authority
CN
China
Prior art keywords
thermally conductive
conductive sheet
superhard
sintering equipment
composite tube
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
CN201910452998.1A
Other languages
Chinese (zh)
Inventor
王勇峰
方海江
赵东鹏
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.)
SF Diamond Co Ltd
Original Assignee
SF Diamond Co Ltd
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 SF Diamond Co Ltd filed Critical SF Diamond Co Ltd
Priority to CN201910452998.1A priority Critical patent/CN110152558A/en
Publication of CN110152558A publication Critical patent/CN110152558A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/065Presses for the formation of diamonds or boronitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/003Apparatus, e.g. furnaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/0828Carbonitrides or oxycarbonitrides of metals, boron or silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/05Mixtures of metal powder with non-metallic powder
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/05Mixtures of metal powder with non-metallic powder
    • C22C1/051Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/062Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/0645Boronitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/065Composition of the material produced
    • B01J2203/0655Diamond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

The invention belongs to the field of superhard materials, and particularly relates to a superhard material sintering device and a use method thereof. The device passes pressure mechanism including the pyrophyllite, heating mechanism and the heat conduction of seting up synthetic chamber, heating mechanism sets up in the synthetic intracavity portion top of pyrophyllite, heat conduction passes pressure mechanism and is including being located the synthetic pipe of the synthetic intracavity of pyrophyllite, and synthetic nose, bottom are by the shutoff of conducting strip. The invention has simple structure, skillfully adopts the raw material which can be synthesized into the single crystal superhard material under the high-temperature and high-pressure environment as the heat-conducting and pressure-transmitting component, and greatly reduces the production cost.

Description

A kind of sintering equipment and its application method of superhard material
Technical field
The invention belongs to superhard material field more particularly to the sintering equipments and its application method of a kind of superhard material.
Background technique
Currently, synthesizing superhard material is mostly sintered raw material in the way of high temperature and pressure, such as PCD, PCBN plycrystalline diamond are super The high temperature and pressure of hard material synthesizes, and includes conducting steel ring 1, conductive sheet 2, fever tablet 3, hair using attached sintering equipment shown in FIG. 1 Heat pipe 4, pressure tube 5, diamond pulvis or the raw material such as diamond pulvis and alloy 6, pyrophyllite block 7, first put heat-generating pipe 4 Enter in the synthesis chamber of pyrophyllite block 7, then pressure tube 5 be put into heat-generating pipe 4, then by diamond pulvis or diamond pulvis and The raw material such as alloy 6 are put into pressure tube 5, are finally sequentially covered fever tablet 3, conductive sheet 2 and conducting steel ring 1, are utilized electric power So that heat-generating pipe generates heat, while pressing to above-mentioned apparatus, so that pressure is transferred to raw material by pressure tube 5, it is final to realize that high temperature is high The sintering environment of pressure.
Sintering equipment, which exists, in the prior art is lost excessively high drawback: conducting steel ring 1, conductive sheet 2, hair in described device Backing 3, heat-generating pipe 4, pressure tube 5 and pyrophyllite block 7 all become industrial wastes, make after the corresponding superhard material of Material synthesis At the great wasting of resources.
Summary of the invention
The object of the present invention is to provide a kind of sintering equipment of superhard material and its application method, the configuration of the present invention is simple, Dexterously use the raw material that can synthesize monocrystalline superhard material under high temperature and high pressure environment as thermally conductive and pressure transmission component, substantially Degree reduces production cost.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of sintering equipment of superhard material, pyrophyllite, heating mechanism and thermally conductive pressure transmission mechanism including offering synthesis chamber, institute State heating mechanism be set to pyrophyllite synthesis chamber inner upper, the thermally conductive pressure transmission mechanism include be located at pyrophyllite synthesize it is intracavitary Composite tube, synthesis tube top, bottom are blocked by thermally conductive sheet.
Preferably, the synthesis chamber at least two of the pyrophyllite, and the corresponding composite tube of each synthesis chamber and corresponding Thermally conductive sheet.
Preferably, the heating mechanism is conducting steel ring, and conducting steel ring bottom is equipped with conductive sheet, and conductive sheet bottom surface, which reclines, leads The setting of backing top surface.
Preferably, the thermally conductive sheet and composite tube use graphite compression moulding.
Preferably, the thermally conductive sheet and composite tube use the mixture compression moulding of graphite and catalyst, graphite and catalysis The proportion of agent is matched according to the performance requirement of different product, catalyst be mainly nickel, manganese, cobalt, iron, etc. metals or its conjunction Gold.
The application method of the sintering equipment of the superhard material, steps are as follows:
1) mixture of graphite/graphite and catalyst is pressed into composite tube and thermally conductive sheet first, it will be on composite tube and pyrophyllite Then corresponding synthesis cavity gap cooperation is packed into after the raw material of synthesizing superhard material into composite tube and blocks synthesis using thermally conductive sheet Pipe open top;
2) conducting steel ring is crimped into thermally conductive sheet, and sintering equipment is placed in the environment of 3-20 Gpa, conducting steel ring energization is made The synthesis chamber internal temperature for obtaining sintering equipment reaches 1000-3000 DEG C and carries out the no less than sintering of 1min.
Preferably, the raw material is superhard list/polycrystalline material or superhard list/polycrystalline material and alloy substrate.
Specifically, the superhard monocrystal material is single-crystal diamond powder or CBN powder, the superhard polycrystalline material is poly- Diamond.
Compared with the prior art, the invention has the following advantages:
1) three fever tablet in the prior art, heat-generating pipe and pressure tube components are reduced to by the overall structure for simplifying device " thermally conductive sheet and composite tube " two components, this is because the thermally conductive sheet and composite tube in the present invention are all made of graphite compression moulding, And graphite has good thermally conductive, conductive and pressure transmission performance, will not influence the superhard monocrystal material or superhard monocrystalline in composite tube The progress of material and alloy substrate synthesis plycrystalline diamond superhard material;
2) production cost is reduced, as the graphite that thermally conductive and pressure transmission acts on, in high temperature and high pressure environment, will become monocrystalline gold Hard rock, not only its pressure transmission can be promoted, while it will not become industrial wastes after the production is completed, scrap in the present apparatus Only possible component is conducting steel ring and pyrophyllite block, and the two components all recoverables;
3) production efficiency is improved, due to graphite eventually output single-crystal diamond, so the present apparatus can be arranged on pyrophillite Multiple synthesis chambers, improve sintering yield, and the sinterable 2-4 piece plycrystalline diamond of sintering equipment single in the prior art is superhard/superhard Composite material, but device of the present invention can realize 24 plycrystalline diamond superhard materials of sintering, also in a disguised form reduce and be produced into This.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of superhard material sintering equipment in the prior art;
Fig. 2 is superhard material sintering equipment Structure explosion diagram described in embodiment 1;
Fig. 3 is the schematic top plan view of pyrophillite in superhard material sintering equipment described in embodiment 2;
Fig. 4 is the schematic top plan view of pyrophillite in superhard material sintering equipment described in embodiment 3;
Fig. 5 is the schematic top plan view of pyrophillite in superhard material sintering equipment described in embodiment 3.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1
As shown in Fig. 2, a kind of sintering equipment of superhard material, including offer the pyrophyllite 7 of single synthesis chamber, heating mechanism and Thermally conductive pressure transmission mechanism, the heating mechanism are set to pyrophyllite 7 and synthesize chamber inner upper, including conducting steel ring 1, conducting steel ring bottom Portion is equipped with conductive sheet 2;The thermally conductive pressure transmission mechanism includes being located at pyrophyllite to synthesize intracavitary composite tube 9, the top of composite tube 9, bottom Blocked by thermally conductive sheet 8,2 bottom surface of conductive sheet recline 8 top surface of thermally conductive sheet setting;The thermally conductive sheet 8 is suppressed with composite tube 9 using graphite Molding.Wherein diamond pulvis or the raw material such as diamond pulvis and alloy 6 are the raw material for synthesizing plycrystalline diamond ultrahard diamond.
Embodiment 2
As shown in Figure 2,3, a kind of sintering equipment of superhard material, including opening up, there are three the pyrophyllites 7 of synthesis chamber, heating mechanism With thermally conductive pressure transmission mechanism, the heating mechanism is set to pyrophyllite 7 and synthesizes chamber inner upper, including conducting steel ring 1, conducting steel ring Bottom is equipped with conductive sheet 2;The thermally conductive pressure transmission mechanism includes the composite tube 9 intracavitary positioned at each synthesis of pyrophyllite, composite tube 9 Top, bottom blocked by thermally conductive sheet 8,2 bottom surface of conductive sheet recline three thermally conductive sheets 8 top surface setting;The thermally conductive sheet 8 and composite tube 9 use graphite compression moulding.
Embodiment 3
As shown in Figure 2,4, a kind of sintering equipment of superhard material, including opening up, there are four the pyrophyllites of synthesis chamber, heating mechanism With thermally conductive pressure transmission mechanism, the heating mechanism is set to pyrophyllite synthesis 7 inner upper of chamber, including conducting steel ring 1, conducting steel ring Bottom is equipped with conductive sheet 2;The thermally conductive pressure transmission mechanism includes the composite tube 9 intracavitary positioned at each synthesis of pyrophyllite, composite tube 9 Top, bottom blocked by thermally conductive sheet, 2 bottom surface of conductive sheet recline four thermally conductive sheets 8 top surface setting;The thermally conductive sheet 8 and composite tube 9 Using graphite compression moulding.
Embodiment 4
As shown in Fig. 2,5, a kind of sintering equipment of superhard material, pyrophyllite 7, heating mechanism including offering seven synthesis chambers With thermally conductive pressure transmission mechanism, the heating mechanism is set to pyrophyllite 7 and synthesizes chamber inner upper, including conducting steel ring 1, conducting steel ring 1 bottom is equipped with conductive sheet 2;The thermally conductive pressure transmission mechanism includes the composite tube 9 intracavitary positioned at each synthesis of pyrophyllite, composite tube 9 Top, bottom blocked by thermally conductive sheet, 2 bottom surface of conductive sheet recline seven thermally conductive sheets 8 top surface setting;The thermally conductive sheet 8 and composite tube 9 Using graphite compression moulding.
Embodiment 6
The present embodiment is that the thermally conductive sheet and composite tube are suppressed using the mixture of graphite and catalyst with the difference of embodiment 1 Molding.
Embodiment 7
The present embodiment is that the thermally conductive sheet and composite tube are suppressed using the mixture of graphite and catalyst with the difference of embodiment 2 Molding.
Embodiment 8
The present embodiment is that the thermally conductive sheet and composite tube are suppressed using the mixture of graphite and catalyst with the difference of embodiment 3 Molding.
Embodiment 9
The present embodiment is that the thermally conductive sheet and composite tube are suppressed using the mixture of graphite and catalyst with the difference of embodiment 4 Molding.

Claims (8)

1. a kind of sintering equipment of superhard material, pyrophyllite, heating mechanism and thermally conductive pressure transmission mechanism including offering synthesis chamber, It is characterized in that, the heating mechanism is set to pyrophyllite synthesis chamber inner upper, the thermally conductive pressure transmission mechanism includes being located at leaf Alabaster synthesizes intracavitary composite tube, and synthesis tube top, bottom are blocked by thermally conductive sheet.
2. the sintering equipment of superhard material as described in claim 1, which is characterized in that the synthesis chamber of the pyrophyllite is at least Two, and the corresponding composite tube of each synthesis chamber and corresponding thermally conductive sheet.
3. the sintering equipment of superhard material as described in claim 1, which is characterized in that the heating mechanism is conducting steel ring, Conducting steel ring bottom be equipped with conductive sheet, conductive sheet bottom surface recline thermally conductive sheet top surface setting.
4. the sintering equipment of superhard material as claimed in claim 2, which is characterized in that the thermally conductive sheet and composite tube use stone Black compression moulding.
5. the sintering equipment of superhard material as claimed in claim 2, which is characterized in that the thermally conductive sheet and composite tube use stone The mixture compression moulding of ink and catalyst.
6. the application method of the sintering equipment of any superhard material of claim 1-5, which is characterized in that steps are as follows:
1) mixture of graphite/graphite and catalyst is pressed into composite tube and thermally conductive sheet first, it will be on composite tube and pyrophyllite Then corresponding synthesis cavity gap cooperation is packed into after the raw material of synthesizing superhard material into composite tube and blocks synthesis using thermally conductive sheet Pipe open top;
2) conducting steel ring is crimped into thermally conductive sheet, and sintering equipment is placed in the environment of 3-20 Gpa, conducting steel ring energization is made The synthesis chamber internal temperature for obtaining sintering equipment reaches 1000-3000 DEG C and carries out the no less than sintering of 1min.
7. the application method of the sintering equipment of superhard material as claimed in claim 6, which is characterized in that the raw material is super Hard list/polycrystalline material or superhard list/polycrystalline material and alloy substrate.
8. the application method of the sintering equipment of superhard material as claimed in claim 7, which is characterized in that the superhard monocrystalline material Material is single-crystal diamond powder or CBN powder, and the superhard polycrystalline material is polycrystalline diamond.
CN201910452998.1A 2019-05-28 2019-05-28 Sintering device for superhard material and using method thereof Pending CN110152558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910452998.1A CN110152558A (en) 2019-05-28 2019-05-28 Sintering device for superhard material and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910452998.1A CN110152558A (en) 2019-05-28 2019-05-28 Sintering device for superhard material and using method thereof

Publications (1)

Publication Number Publication Date
CN110152558A true CN110152558A (en) 2019-08-23

Family

ID=67629841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910452998.1A Pending CN110152558A (en) 2019-05-28 2019-05-28 Sintering device for superhard material and using method thereof

Country Status (1)

Country Link
CN (1) CN110152558A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114669243A (en) * 2022-04-20 2022-06-28 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material
CN114768681A (en) * 2022-04-20 2022-07-22 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097274A (en) * 1974-10-30 1978-06-27 Valentin Nikolaevich Bakul Method of making superhard articles
CN201056490Y (en) * 2007-03-20 2008-05-07 河南中南工业有限责任公司 Heater for synthesizing cubic boron nitride
CN201230381Y (en) * 2008-06-06 2009-04-29 郑州中南杰特超硬材料有限公司 Heating body for super hard material synthesizing
US20110230122A1 (en) * 2008-07-11 2011-09-22 Centre National De La Recherche Scientifique Nanoscale cubic boron nitride
CN103526295A (en) * 2013-10-15 2014-01-22 寇自力 High-purity high-hardness polycrystalline cubic boron nitride block material and preparation method thereof
CN103803985A (en) * 2013-12-20 2014-05-21 河南工业大学 Preparation method of cubic boron nitride and diamond polycrystal with nanometer structure
CN103977743A (en) * 2014-05-14 2014-08-13 聊城市东昌府区金茂机械配件有限公司 Assembly method of artificial diamond square synthesis chamber
CN107115825A (en) * 2017-06-28 2017-09-01 河南省力量钻石股份有限公司 A kind of Gem Grade large single crystal diamond Multicarity composite structure and its preparation method and application
CN207786545U (en) * 2017-11-06 2018-08-31 李翰楷 A kind of Synthetic block assembly mold
CN109079145A (en) * 2018-08-30 2018-12-25 中南钻石有限公司 A kind of composite polycrystal-diamond Synthetic block and its method for synthesizing composite polycrystal-diamond
CN210410621U (en) * 2019-05-28 2020-04-28 河南四方达超硬材料股份有限公司 Sintering device for superhard material

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097274A (en) * 1974-10-30 1978-06-27 Valentin Nikolaevich Bakul Method of making superhard articles
CN201056490Y (en) * 2007-03-20 2008-05-07 河南中南工业有限责任公司 Heater for synthesizing cubic boron nitride
CN201230381Y (en) * 2008-06-06 2009-04-29 郑州中南杰特超硬材料有限公司 Heating body for super hard material synthesizing
US20110230122A1 (en) * 2008-07-11 2011-09-22 Centre National De La Recherche Scientifique Nanoscale cubic boron nitride
CN103526295A (en) * 2013-10-15 2014-01-22 寇自力 High-purity high-hardness polycrystalline cubic boron nitride block material and preparation method thereof
CN103803985A (en) * 2013-12-20 2014-05-21 河南工业大学 Preparation method of cubic boron nitride and diamond polycrystal with nanometer structure
CN103977743A (en) * 2014-05-14 2014-08-13 聊城市东昌府区金茂机械配件有限公司 Assembly method of artificial diamond square synthesis chamber
CN107115825A (en) * 2017-06-28 2017-09-01 河南省力量钻石股份有限公司 A kind of Gem Grade large single crystal diamond Multicarity composite structure and its preparation method and application
CN207786545U (en) * 2017-11-06 2018-08-31 李翰楷 A kind of Synthetic block assembly mold
CN109079145A (en) * 2018-08-30 2018-12-25 中南钻石有限公司 A kind of composite polycrystal-diamond Synthetic block and its method for synthesizing composite polycrystal-diamond
CN210410621U (en) * 2019-05-28 2020-04-28 河南四方达超硬材料股份有限公司 Sintering device for superhard material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王秦生: "超硬材料制造", vol. 2002, 中国标准出版社, pages: 52 - 53 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114669243A (en) * 2022-04-20 2022-06-28 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material
CN114768681A (en) * 2022-04-20 2022-07-22 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material
CN114669243B (en) * 2022-04-20 2023-01-03 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material
CN114768681B (en) * 2022-04-20 2024-05-28 中国有色桂林矿产地质研究院有限公司 Pressure transmission device for superhard composite material

Similar Documents

Publication Publication Date Title
CN110152558A (en) Sintering device for superhard material and using method thereof
CN103521132B (en) Synthesis technique of high-grade self-sharpening polycrystalline diamond
CN107362750A (en) A kind of composite polycrystal-diamond and its Synthetic block
CN101186295B (en) Method of preparing high purity Ti2AlC block material
CN101269967A (en) Method for preparing boron carbide ceramic
CN101615600B (en) High-thermal conductivity electronic packaging material and preparation method thereof
CN109079145A (en) A kind of composite polycrystal-diamond Synthetic block and its method for synthesizing composite polycrystal-diamond
CN101530916B (en) Mold for controlling the defect of sintering expansion of powder metallurgy material
CN106116593A (en) A kind of preparation method of four tungsten boride ceramic powders
CN107115825A (en) A kind of Gem Grade large single crystal diamond Multicarity composite structure and its preparation method and application
CN102583380B (en) High-temperature and high-pressure preparation method of carbide of molybdenum
CN109966994A (en) A kind of diamond synthesizing compound block for transmitting pressure and preparation method thereof
CN205537095U (en) Microwave heating fritting furnace based on pressurization
CN108191434A (en) A kind of high heat conductance, the high-voltage high-speed preparation method of high compactness silicon nitride material
CN106187199A (en) A kind of highly-textured Ti2the preparation method of AlN ceramic
CN103909264B (en) A kind of high-performance Cu with nano-pore structure2Se block thermoelectric material and fast preparation method thereof
CN101538661A (en) Method for preparing high thermal conductive diamond/Al composite material
CN100506367C (en) Method for sintering polycrystal cubic boron nitride by plasma discharge
CN107338471A (en) A kind of preparation method of high pressure metastable phase Al21Pd8 single crystal grains
CN104004935A (en) Method for super-rapidly preparing high-performance high-silicon-manganese thermoelectric material
CN210410621U (en) Sintering device for superhard material
CN103224398A (en) Nitride ceramic material microwave sintering method
CN109663543A (en) A kind of direct Synthesis boron skin nitrogen core polycrystalline diamond preparation method
CN109396449A (en) One kind preparing Ni by raw material of Ni-Al mixed-powder3The method of Al intermetallic compound powder
CN203061154U (en) Vertical and rotary combined pressurizing-type multi-anvil press

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: 20190823

RJ01 Rejection of invention patent application after publication