[go: up one dir, main page]

DE69732856D1 - Verbessertes verfahren und vorrichtung zur herstellung von teilchenförmigen körpern - Google Patents

Verbessertes verfahren und vorrichtung zur herstellung von teilchenförmigen körpern

Info

Publication number
DE69732856D1
DE69732856D1 DE69732856T DE69732856T DE69732856D1 DE 69732856 D1 DE69732856 D1 DE 69732856D1 DE 69732856 T DE69732856 T DE 69732856T DE 69732856 T DE69732856 T DE 69732856T DE 69732856 D1 DE69732856 D1 DE 69732856D1
Authority
DE
Germany
Prior art keywords
improved method
producing particulate
particulate bodies
bodies
producing
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.)
Expired - Lifetime
Application number
DE69732856T
Other languages
English (en)
Other versions
DE69732856T2 (de
Inventor
Rustum Roy
Dinesh Agrawal
Jiping Cheng
Mahlon Dennis
Paul D Gigil
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.)
Dennis Toll Co Houston Tex Us
Penn State Research Foundation
Original Assignee
Penn State Research Foundation
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 Penn State Research Foundation filed Critical Penn State Research Foundation
Application granted granted Critical
Publication of DE69732856D1 publication Critical patent/DE69732856D1/de
Publication of DE69732856T2 publication Critical patent/DE69732856T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • 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
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings ; Increasing the durability of linings; Breaking away linings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • 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
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F2003/1054—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by microwave
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/38—Arrangements of devices for charging
    • F27B2009/386—Lateral intake or outtake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/142—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving along a vertical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0028—Microwave heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/04—Ram or pusher apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE69732856T 1996-07-26 1997-07-25 Verbessertes verfahren und vorrichtung zur herstellung von teilchenförmigen körpern Expired - Lifetime DE69732856T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US687870 1984-12-31
US08/687,870 US6004505A (en) 1996-07-26 1996-07-26 Process and apparatus for the preparation of particulate or solid parts
PCT/US1997/013136 WO1998004373A1 (en) 1996-07-26 1997-07-25 An improved process and apparatus for the preparation of particulate or solid parts

Publications (2)

Publication Number Publication Date
DE69732856D1 true DE69732856D1 (de) 2005-04-28
DE69732856T2 DE69732856T2 (de) 2006-01-26

Family

ID=24762215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732856T Expired - Lifetime DE69732856T2 (de) 1996-07-26 1997-07-25 Verbessertes verfahren und vorrichtung zur herstellung von teilchenförmigen körpern

Country Status (4)

Country Link
US (2) US6004505A (de)
EP (1) EP0949982B1 (de)
DE (1) DE69732856T2 (de)
WO (1) WO1998004373A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063333A (en) 1996-10-15 2000-05-16 Penn State Research Foundation Method and apparatus for fabrication of cobalt alloy composite inserts
SE9802519D0 (sv) 1998-07-13 1998-07-13 Sandvik Ab Method of making cemented carbide
US6325839B1 (en) 1999-07-23 2001-12-04 Jeneric/Pentron, Inc. Method for manufacturing dental restorations
AU8027800A (en) 1999-10-18 2001-04-30 Penn State Research Foundation, The Microwave processing in pure h fields and pure e fields
US20020106611A1 (en) * 2001-01-19 2002-08-08 Sutapa Bhaduri Metal part having a dense core and porous periphery, biocompatible prosthesis and microwave sintering
US6562418B2 (en) * 2001-05-14 2003-05-13 Bwxt Y-12 Llc Microwave processing of pressed boron powders for use as cathodes in vacuum arc sources
CA2409433A1 (en) * 2002-10-23 2004-04-23 Consolidated Civil Enforcement Inc. Method of cryogenic treatment of tungsten carbide containing cobalt
US20040238794A1 (en) * 2003-05-30 2004-12-02 Karandikar Prashant G. Microwave processing of composite bodies made by an infiltration route
US20050249627A1 (en) * 2003-08-08 2005-11-10 Jenn-Shing Wang Manufacturing process using microwave for thermal debinding
US20060084566A1 (en) * 2004-10-19 2006-04-20 General Electric Company Multiphase ceramic nanocomposites and method of making them
US20060251536A1 (en) * 2005-05-05 2006-11-09 General Electric Company Microwave processing of mim preforms
US20060269436A1 (en) * 2005-05-31 2006-11-30 Cabot Corporation Process for heat treating metal powder and products made from the same
US20070107216A1 (en) * 2005-10-31 2007-05-17 General Electric Company Mim method for coating turbine shroud
US20070151769A1 (en) * 2005-11-23 2007-07-05 Smith International, Inc. Microwave sintering
US20070141272A1 (en) * 2005-12-19 2007-06-21 General Electric Company Methods and apparatus for coating gas turbine components
US7510032B2 (en) * 2006-03-31 2009-03-31 Kennametal Inc. Hard composite cutting insert and method of making the same
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
US20080114468A1 (en) * 2006-11-10 2008-05-15 Biomet Manufacturing Corp. Processes for making ceramic medical devices
US7775416B2 (en) * 2006-11-30 2010-08-17 General Electric Company Microwave brazing process
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
GB0713876D0 (en) * 2007-07-18 2007-08-29 3M Innovative Properties Co Manufacture of components for medicinal dispensers
US20090139607A1 (en) * 2007-10-28 2009-06-04 General Electric Company Braze compositions and methods of use
DE102008012578C5 (de) * 2008-03-05 2022-04-07 Ivoclar Vivadent Ag Dentalofen
US10260811B2 (en) 2008-03-05 2019-04-16 Ivoclar Vivadent Ag Dental furnace
US8617274B2 (en) * 2008-07-08 2013-12-31 Smith International, Inc. Pulsed electrical field assisted or spark plasma sintered polycrystalline ultra hard material and thermally stable ultra hard material cutting elements and compacts and methods of forming the same
US8349040B2 (en) * 2008-07-08 2013-01-08 Smith International, Inc. Method for making composite abrasive compacts
US8602133B2 (en) 2010-06-03 2013-12-10 Dennis Tool Company Tool with welded cemented metal carbide inserts welded to steel and/or cemented metal carbide
US20130182982A1 (en) 2012-01-17 2013-07-18 Dennis Tool Company Carbide wear surface and method of manufacture
CN102601373B (zh) * 2012-04-01 2014-04-16 中国矿业大学 一种复合陶瓷层表面强化的铝合金材料制备方法及装置
CN103880460B (zh) * 2014-02-26 2016-04-13 中原工学院 一种制备聚晶金刚石烧结体的方法
KR20160142395A (ko) 2014-06-20 2016-12-12 핼리버튼 에너지 서비시즈 인코퍼레이티드 레이저-침출된 다결정질 다이아몬드 및 레이저-침출 방법들 및 디바이스들
CN105170981B (zh) * 2015-10-12 2017-07-04 福州大学 一种微波热压烧结与钎焊装置及其使用方法
RU2699761C1 (ru) * 2018-09-06 2019-09-10 Денис Эрнестович Львов Способ изготовления детали из порошка
CN109300757B (zh) * 2018-11-22 2023-07-18 中国科学院空间应用工程与技术中心 微波ecr等离子体阴极环形束电子枪及3d打印方法
US20230319956A1 (en) * 2020-08-18 2023-10-05 Metallum3D, Inc. Apparatus And Methods For Non-Resonant Microwave Thermal Processing
US12289817B1 (en) * 2024-02-22 2025-04-29 The 13Th Research Institute Of China Electronics Technology Group Corporation Microwave heating cavity

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261959A (en) * 1962-02-20 1966-07-19 F H Peavey & Company Apparatus for treatment of ore
JPS5925902A (ja) * 1982-07-31 1984-02-10 Sumitomo Electric Ind Ltd 焼結法
EP0229708B1 (de) * 1986-01-16 1991-04-24 Micro Denshi Co. Ltd. Mikrowellenheizvorrichtung
EP0329338A3 (de) * 1988-02-16 1990-08-01 Alcan International Limited Verfahren und Vorrichtung zum Erhitzen von Körpern auf eine hohe Temperatur mittels Mikrowellen-Energie
US4938673A (en) * 1989-01-17 1990-07-03 Adrian Donald J Isostatic pressing with microwave heating and method for same
US5131992A (en) * 1990-01-08 1992-07-21 The United States Of America, As Represented By The Secretary Of The Interior Microwave induced plasma process for producing tungsten carbide
US5013694A (en) * 1990-04-20 1991-05-07 Martin Marietta Energy Systems, Inc. Titanium diboride-chromium diboride-yttrium titanium oxide ceramic composition and a process for making the same
FR2673936B1 (fr) * 1991-03-14 1993-12-24 Snecma Installation de traitement thermique de pieces en materiau composite a matrice ceramique, a chauffage par ondes hyperfrequences et procede de mise en óoeuvre.
US5184286A (en) * 1992-03-18 1993-02-02 Martin Marietta Energy Systems, Inc. Process for manufacturing tantalum capacitors
US5330942A (en) * 1993-01-22 1994-07-19 Martin Marietta Energy Systems, Inc. Composite of refractory material
US5397530A (en) * 1993-04-26 1995-03-14 Hoeganaes Corporation Methods and apparatus for heating metal powders
US5622905A (en) * 1993-06-30 1997-04-22 Sumitomo Electric Industries, Ltd. Silicon nitride based sintered body
US5653775A (en) * 1996-01-26 1997-08-05 Minnesota Mining And Manufacturing Company Microwave sintering of sol-gel derived abrasive grain

Also Published As

Publication number Publication date
US6004505A (en) 1999-12-21
EP0949982B1 (de) 2005-03-23
WO1998004373A1 (en) 1998-02-05
DE69732856T2 (de) 2006-01-26
EP0949982A4 (de) 2003-10-01
EP0949982A1 (de) 1999-10-20
US6126895A (en) 2000-10-03

Similar Documents

Publication Publication Date Title
DE69732856D1 (de) Verbessertes verfahren und vorrichtung zur herstellung von teilchenförmigen körpern
DE69822687D1 (de) Vorrichtung und Verfahren zur Zusammenfassung
DE69432142D1 (de) Verfahren und vorrichtung zur effizienten transkodierung
DE69716642D1 (de) Verfahren und vorrichtung zur herstellung von vliesstoffen
DE69731116D1 (de) Verfahren und vorrichtung zur energiegewinnung
DE69509841D1 (de) Verfahren und Vorrichtung zur Herstellung von Sauerstoff
DE69429718D1 (de) Verfahren und vorrichtung zur herstellung von formkörpern
DE69716650D1 (de) Verfahren und vorrichtung zur herstellung von geprägten bildern
DE69728072D1 (de) Verfahren und vorrichtung zur herstellung von p-xylen
DE69723865D1 (de) Verfahren und vorrichtung zur herstellung von einkristallen
DE69503114D1 (de) Verfahren und vorrichtung zur herstellung von fleischaehnlichen produkten
DE69814643D1 (de) Verfahren und vorrichtung zur herstellung von polycarbonaten
DE69618705D1 (de) Verfahren und Vorrichtung zur Herstellung von Bürstenkörpern
DE69620699D1 (de) Verfahren und Vorrichtung zur Herstellung von porösen Metallplatten
DE69719477D1 (de) Vorrichtung und Verfahren zur Eingabe von Buchstaben
DE59708284D1 (de) Vorrichtung und verfahren zur formgebung von oberflächen
DE59700973D1 (de) Verfahren und vorrichtung zur herstellung von stanzteilen
DE69735130D1 (de) Verfahren und vorrichtung zur herstellung von metallpulvern
ATE200961T1 (de) Verfahren und vorrichtung zur herstellung von borstenwaren und danach hergestellte borstenware
DE69511469D1 (de) Verfahren und Vorrichtung zur Herstellung von Diamanten
DE69727437T2 (de) Vorrichtung und verfahren zur nitratentfernung
DE69918954D1 (de) Verfahren und Vorrichtung zur Herstellung von Faltenbalgen
DE59506413D1 (de) Vorrichtung und verfahren zur herstellung von beuteln
DE59705140D1 (de) Verfahren und Vorrichtung zur Herstellung von Einkristallen
DE59700343D1 (de) Verfahren und Vorrichtung zur Weitergabe von Gegenständen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DENNIS TOLL CO., HOUSTON, TEX., US

Owner name: THE PENN STATE RESEARCH FOUNDATION, UNIVERSITY, US