EP0966550A1 - Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellung - Google Patents
Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellungInfo
- Publication number
- EP0966550A1 EP0966550A1 EP98919052A EP98919052A EP0966550A1 EP 0966550 A1 EP0966550 A1 EP 0966550A1 EP 98919052 A EP98919052 A EP 98919052A EP 98919052 A EP98919052 A EP 98919052A EP 0966550 A1 EP0966550 A1 EP 0966550A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sintering
- platelets
- microwave
- sintered body
- hard
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 239000011195 cermet Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 150000002739 metals Chemical class 0.000 claims description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 20
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 239000010937 tungsten Substances 0.000 claims description 17
- 238000009768 microwave sintering Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 150000001247 metal acetylides Chemical class 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000003966 growth inhibitor Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 229910017464 nitrogen compound Inorganic materials 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 239000012071 phase Substances 0.000 abstract description 13
- 239000007790 solid phase Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 8
- 238000009770 conventional sintering Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 229910017052 cobalt Inorganic materials 0.000 description 6
- 239000010941 cobalt Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 239000012779 reinforcing material Substances 0.000 description 5
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910009043 WC-Co Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000007571 dilatometry Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- SDGKUVSVPIIUCF-UHFFFAOYSA-N 2,6-dimethylpiperidine Chemical compound CC1CCCC(C)N1 SDGKUVSVPIIUCF-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 Tungsten carbides Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000007707 calorimetry Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 description 1
- 239000011225 non-oxide ceramic Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- HHIQWSQEUZDONT-UHFFFAOYSA-N tungsten Chemical compound [W].[W].[W] HHIQWSQEUZDONT-UHFFFAOYSA-N 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/23—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces involving a self-propagating high-temperature synthesis or reaction sintering step
-
- 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
- C22C1/058—Mixtures of metal powder with non-metallic powder by reaction sintering (i.e. gasless reaction starting from a mixture of solid metal compounds)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19709527 | 1997-03-10 | ||
DE19709527 | 1997-03-10 | ||
DE19725914A DE19725914A1 (de) | 1997-03-10 | 1997-06-19 | Hartmetall- oder Cermet-Sinterkörper und Verfahren zu dessen Herstellung |
DE19725914 | 1997-06-19 | ||
PCT/DE1998/000674 WO1998040525A1 (de) | 1997-03-10 | 1998-03-06 | Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0966550A1 true EP0966550A1 (de) | 1999-12-29 |
EP0966550B1 EP0966550B1 (de) | 2001-10-04 |
Family
ID=26034637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98919052A Expired - Lifetime EP0966550B1 (de) | 1997-03-10 | 1998-03-06 | Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6293986B1 (de) |
EP (1) | EP0966550B1 (de) |
AT (1) | ATE206481T1 (de) |
WO (1) | WO1998040525A1 (de) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002237870A1 (en) * | 2001-01-17 | 2002-07-30 | The Penn State Research Foundation | Microwave processing using highly microwave absorbing powdered material layers |
CA2409433A1 (en) * | 2002-10-23 | 2004-04-23 | Consolidated Civil Enforcement Inc. | Method of cryogenic treatment of tungsten carbide containing cobalt |
US7175687B2 (en) * | 2003-05-20 | 2007-02-13 | Exxonmobil Research And Engineering Company | Advanced erosion-corrosion resistant boride cermets |
US7384443B2 (en) * | 2003-12-12 | 2008-06-10 | Tdy Industries, Inc. | Hybrid cemented carbide composites |
US20050211475A1 (en) | 2004-04-28 | 2005-09-29 | Mirchandani Prakash K | Earth-boring bits |
US20080101977A1 (en) * | 2005-04-28 | 2008-05-01 | Eason Jimmy W | Sintered bodies for earth-boring rotary drill bits and methods of forming the same |
US9428822B2 (en) | 2004-04-28 | 2016-08-30 | Baker Hughes Incorporated | Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components |
US8637127B2 (en) | 2005-06-27 | 2014-01-28 | Kennametal Inc. | Composite article with coolant channels and tool fabrication method |
US7687156B2 (en) | 2005-08-18 | 2010-03-30 | Tdy Industries, Inc. | Composite cutting inserts and methods of making the same |
US8002052B2 (en) | 2005-09-09 | 2011-08-23 | Baker Hughes Incorporated | Particle-matrix composite drill bits with hardfacing |
US7703555B2 (en) | 2005-09-09 | 2010-04-27 | Baker Hughes Incorporated | Drilling tools having hardfacing with nickel-based matrix materials and hard particles |
US7776256B2 (en) * | 2005-11-10 | 2010-08-17 | Baker Huges Incorporated | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies |
US7997359B2 (en) | 2005-09-09 | 2011-08-16 | Baker Hughes Incorporated | Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials |
US7597159B2 (en) | 2005-09-09 | 2009-10-06 | Baker Hughes Incorporated | Drill bits and drilling tools including abrasive wear-resistant materials |
US7807099B2 (en) | 2005-11-10 | 2010-10-05 | Baker Hughes Incorporated | Method for forming earth-boring tools comprising silicon carbide composite materials |
US7913779B2 (en) | 2005-11-10 | 2011-03-29 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits |
US7802495B2 (en) | 2005-11-10 | 2010-09-28 | Baker Hughes Incorporated | Methods of forming earth-boring rotary drill bits |
US8770324B2 (en) | 2008-06-10 | 2014-07-08 | Baker Hughes Incorporated | Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded |
US7784567B2 (en) | 2005-11-10 | 2010-08-31 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits |
US20070151769A1 (en) * | 2005-11-23 | 2007-07-05 | Smith International, Inc. | Microwave sintering |
US20070138706A1 (en) * | 2005-12-20 | 2007-06-21 | Amseta Corporation | Method for preparing metal ceramic composite using microwave radiation |
WO2007127680A1 (en) | 2006-04-27 | 2007-11-08 | Tdy Industries, Inc. | Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods |
RU2009111383A (ru) | 2006-08-30 | 2010-10-10 | Бейкер Хьюз Инкорпорейтед (Us) | Способы нанесения износостойкого материала на внешние поверхности буровых инструментов и соответствующие конструкции |
US7541561B2 (en) * | 2006-09-01 | 2009-06-02 | General Electric Company | Process of microwave heating of powder materials |
US7326892B1 (en) | 2006-09-21 | 2008-02-05 | General Electric Company | Process of microwave brazing with powder materials |
JP5330255B2 (ja) | 2006-10-25 | 2013-10-30 | ティーディーワイ・インダストリーズ・エルエルシー | 改良された耐熱亀裂性を有する物品 |
US7775416B2 (en) * | 2006-11-30 | 2010-08-17 | General Electric Company | Microwave brazing process |
US8272295B2 (en) * | 2006-12-07 | 2012-09-25 | Baker Hughes Incorporated | Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits |
US7775287B2 (en) | 2006-12-12 | 2010-08-17 | Baker Hughes Incorporated | Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods |
US20080138533A1 (en) * | 2006-12-12 | 2008-06-12 | General Electric Company | Microwave process for forming a coating |
US8574686B2 (en) * | 2006-12-15 | 2013-11-05 | General Electric Company | Microwave brazing process for forming coatings |
US7946467B2 (en) * | 2006-12-15 | 2011-05-24 | General Electric Company | Braze material and processes for making and using |
US8409318B2 (en) * | 2006-12-15 | 2013-04-02 | General Electric Company | Process and apparatus for forming wire from powder materials |
US7841259B2 (en) | 2006-12-27 | 2010-11-30 | Baker Hughes Incorporated | Methods of forming bit bodies |
US8512882B2 (en) | 2007-02-19 | 2013-08-20 | TDY Industries, LLC | Carbide cutting insert |
US20080202814A1 (en) * | 2007-02-23 | 2008-08-28 | Lyons Nicholas J | Earth-boring tools and cutter assemblies having a cutting element co-sintered with a cone structure, methods of using the same |
US20080210555A1 (en) * | 2007-03-01 | 2008-09-04 | Heraeus Inc. | High density ceramic and cermet sputtering targets by microwave sintering |
US7846551B2 (en) | 2007-03-16 | 2010-12-07 | Tdy Industries, Inc. | Composite articles |
US20090139607A1 (en) * | 2007-10-28 | 2009-06-04 | General Electric Company | Braze compositions and methods of use |
EP2300628A2 (de) | 2008-06-02 | 2011-03-30 | TDY Industries, Inc. | Verbundwerkstoffe aus sinterhartmetall und metalllegierung |
US8790439B2 (en) | 2008-06-02 | 2014-07-29 | Kennametal Inc. | Composite sintered powder metal articles |
US7703556B2 (en) | 2008-06-04 | 2010-04-27 | Baker Hughes Incorporated | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods |
US8261632B2 (en) | 2008-07-09 | 2012-09-11 | Baker Hughes Incorporated | Methods of forming earth-boring drill bits |
US8025112B2 (en) | 2008-08-22 | 2011-09-27 | Tdy Industries, Inc. | Earth-boring bits and other parts including cemented carbide |
US8322465B2 (en) | 2008-08-22 | 2012-12-04 | TDY Industries, LLC | Earth-boring bit parts including hybrid cemented carbides and methods of making the same |
US8272816B2 (en) | 2009-05-12 | 2012-09-25 | TDY Industries, LLC | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks |
US8201610B2 (en) | 2009-06-05 | 2012-06-19 | Baker Hughes Incorporated | Methods for manufacturing downhole tools and downhole tool parts |
US8308096B2 (en) | 2009-07-14 | 2012-11-13 | TDY Industries, LLC | Reinforced roll and method of making same |
US8440314B2 (en) | 2009-08-25 | 2013-05-14 | TDY Industries, LLC | Coated cutting tools having a platinum group metal concentration gradient and related processes |
JP2011051841A (ja) * | 2009-09-02 | 2011-03-17 | Ismanj:Kk | シリコン合金焼結体の製造方法 |
US9643236B2 (en) | 2009-11-11 | 2017-05-09 | Landis Solutions Llc | Thread rolling die and method of making same |
RU2012155102A (ru) | 2010-05-20 | 2014-06-27 | Бейкер Хьюз Инкорпорейтед | Способ формирования по меньшей мере части бурильного инструмента и изделия, сформированные таким способом |
CN102985197A (zh) | 2010-05-20 | 2013-03-20 | 贝克休斯公司 | 形成钻地工具的至少一部分的方法,以及通过此类方法形成的制品 |
RU2012155101A (ru) | 2010-05-20 | 2014-06-27 | Бейкер Хьюз Инкорпорейтед | Способы формирования по меньшей мере части бурильного инструмента |
US8800848B2 (en) | 2011-08-31 | 2014-08-12 | Kennametal Inc. | Methods of forming wear resistant layers on metallic surfaces |
US9016406B2 (en) | 2011-09-22 | 2015-04-28 | Kennametal Inc. | Cutting inserts for earth-boring bits |
WO2015053938A1 (en) | 2013-10-10 | 2015-04-16 | United Technologies Corporation | Controlling microstructure of inorganic material by indirect heating using electromagnetic radiation |
EP3057924B1 (de) | 2013-10-14 | 2019-10-30 | United Technologies Corporation | Verfahren zur pyrolyse eines präkeramischen polymermaterials mithilfe elektromagnetischer strahlung |
WO2015092528A1 (en) * | 2013-12-17 | 2015-06-25 | Sandvik Intellectual Property Ab | Composition for a novel grade for cutting tools |
CN104190942B (zh) * | 2014-08-19 | 2016-08-31 | 天津市华辉超硬耐磨技术有限公司 | 一种硬质合金的微波烧结方法 |
RU2625922C1 (ru) * | 2016-01-29 | 2017-07-19 | Вазген Эдвардович Лорян | Реактор для получения самораспространяющимся высокотемпературным синтезом тугоплавких неорганических соединений |
DE102016207028A1 (de) * | 2016-04-26 | 2017-10-26 | H.C. Starck Gmbh | Hartmetall mit zähigkeitssteigerndem Gefüge |
WO2018142181A1 (en) | 2017-01-31 | 2018-08-09 | Tallinn University Of Technology | Method of making a double-structured bimodal tungsten cemented carbide composite material |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3451791A (en) | 1967-08-16 | 1969-06-24 | Du Pont | Cobalt-bonded tungsten carbide |
US3647401A (en) * | 1969-06-04 | 1972-03-07 | Du Pont | Anisodimensional tungsten carbide platelets bonded with cobalt |
JPS6039137A (ja) * | 1983-08-12 | 1985-02-28 | Mitsubishi Metal Corp | 炭化タングステン基超硬合金の製造法 |
WO1990007017A1 (de) | 1988-12-16 | 1990-06-28 | Krupp Widia Gmbh | Hartmetallverbundkörper und verfahren zu seiner herstellung |
US5451365A (en) | 1993-05-24 | 1995-09-19 | Drexel University | Methods for densifying and strengthening ceramic-ceramic composites by transient plastic phase processing |
DE4340652C2 (de) * | 1993-11-30 | 2003-10-16 | Widia Gmbh | Verbundwerkstoff und Verfahren zu seiner Herstellung |
US5580666A (en) | 1995-01-20 | 1996-12-03 | The Dow Chemical Company | Cemented ceramic article made from ultrafine solid solution powders, method of making same, and the material thereof |
DE69525248T2 (de) | 1995-08-23 | 2002-09-26 | Toshiba Tungaloy Co Ltd | Flächen-kristallines Wolframkarbid enthaltendes Hartmetall, Zusammensetzung zur Herstellung von flächen-kristallines Wolframkarbid und Verfahren zur Herstellung des Hartmetalls |
DE19601234A1 (de) * | 1996-01-15 | 1997-07-17 | Widia Gmbh | Verbundkörper und Verfahren zu seiner Herstellung |
-
1998
- 1998-03-06 EP EP98919052A patent/EP0966550B1/de not_active Expired - Lifetime
- 1998-03-06 AT AT98919052T patent/ATE206481T1/de active
- 1998-03-06 WO PCT/DE1998/000674 patent/WO1998040525A1/de active IP Right Grant
- 1998-03-06 US US09/367,004 patent/US6293986B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9840525A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0966550B1 (de) | 2001-10-04 |
WO1998040525A1 (de) | 1998-09-17 |
US6293986B1 (en) | 2001-09-25 |
ATE206481T1 (de) | 2001-10-15 |
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