EP1364732A3 - Hartmetallbauteil mit gradiertem Aufbau - Google Patents

Hartmetallbauteil mit gradiertem Aufbau Download PDF

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Publication number
EP1364732A3
EP1364732A3 EP03008539A EP03008539A EP1364732A3 EP 1364732 A3 EP1364732 A3 EP 1364732A3 EP 03008539 A EP03008539 A EP 03008539A EP 03008539 A EP03008539 A EP 03008539A EP 1364732 A3 EP1364732 A3 EP 1364732A3
Authority
EP
European Patent Office
Prior art keywords
grain growth
growth inhibiting
inhibiting additive
graded
hard metal
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
Application number
EP03008539A
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English (en)
French (fr)
Other versions
EP1364732A2 (de
EP1364732B1 (de
Inventor
Johannes Glätzle
Rolf Dr. Kösters
Wolfgang Dr. Glätzle
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.)
Ceratizit Austria GmbH
Original Assignee
Ceratizit Austria GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3485393&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1364732(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ceratizit Austria GmbH filed Critical Ceratizit Austria GmbH
Publication of EP1364732A2 publication Critical patent/EP1364732A2/de
Publication of EP1364732A3 publication Critical patent/EP1364732A3/de
Application granted granted Critical
Publication of EP1364732B1 publication Critical patent/EP1364732B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B22F7/02—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 layers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

Die Erfindung betrifft ein pulvermetallurgisch hergestelltes Bauteil aus Hartmetall, das zumindest einen kornwachstumshemmenden Zusatz der Gruppe V, Cr, Ti, Ta und Nb mit zumindest lokal gradiertem Konzentrationsverlauf aufweist. Dadurch weisen auch die mechanischen Eigenschaften einen gradierten Verlauf auf. Weiters wird ein Verfahren zur Herstellung eines Bauteils mit einem gradierten Konzentrationsverlauf des kornwachstumshemmenden Zusatzes angegeben. Dabei wird eine Dispersion oder Lösung, die den kornwachstumshemmenden Zusatz in fein verteilter oder gelöster Form enthält, oberflächlich auf einen Grünling aufgebracht. Durch Eindringen dieser Dispersion oder Lösung entlang offener Porenkanäle, wird der kornwachstumshemmende Zusatz gradiert im Grünling verteilt. Des weiteren wird ein Verfahren beschrieben, bei dem der kornwachstumshemmende Zusatz in Form einer Lösung gleichmäßig im Grünling verteilt wird und anschließend aus randnahen Bereichen durch eine thermische Behandlung oder ein Lösungsmittel graduell abgebaut wird.
EP03008539A 2002-04-17 2003-04-14 Hartmetallbauteil mit gradiertem Aufbau Expired - Lifetime EP1364732B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2452002U 2002-04-17
AT0024502U AT5837U1 (de) 2002-04-17 2002-04-17 Hartmetallbauteil mit gradiertem aufbau

Publications (3)

Publication Number Publication Date
EP1364732A2 EP1364732A2 (de) 2003-11-26
EP1364732A3 true EP1364732A3 (de) 2005-12-21
EP1364732B1 EP1364732B1 (de) 2008-03-05

Family

ID=3485393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03008539A Expired - Lifetime EP1364732B1 (de) 2002-04-17 2003-04-14 Hartmetallbauteil mit gradiertem Aufbau

Country Status (7)

Country Link
US (2) US20040009088A1 (de)
EP (1) EP1364732B1 (de)
JP (1) JP2003328067A (de)
CN (1) CN100482836C (de)
AT (2) AT5837U1 (de)
DE (1) DE50309292D1 (de)
IL (1) IL155430A (de)

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AU2004297495B2 (en) * 2003-12-15 2010-10-28 Sandvik Intellectual Property Ab Cemented carbide tools for mining and construction applications and method of making the same
SE526601C2 (sv) * 2003-12-15 2005-10-18 Sandvik Intellectual Property Hårdmetallskär och sätt att tillverka detsamma
DE602004012521T8 (de) * 2003-12-15 2009-08-13 Sandvik Intellectual Property Ab Sinterkarbideinsatz und Methode zu dessen Herstellung
US7634582B2 (en) * 2003-12-19 2009-12-15 Intel Corporation Method and architecture for optical networking between server and storage area networks
DE102004034312A1 (de) * 2004-07-15 2006-02-02 Mtu Aero Engines Gmbh Dichtungsanordnung und Verfahren zur Herstellung eines Dichtkörpers für eine Dichtungsanordnung
ES2255896T3 (es) * 2004-08-24 2009-04-16 Tungaloy Corporation Carburo cementado, elemento revestido con carburo cementado y procesos de produccion del mismo.
CN100419105C (zh) * 2005-02-04 2008-09-17 李北 一种金属陶瓷材料及其成型工艺
WO2009111749A1 (en) * 2008-03-07 2009-09-11 University Of Utah Thermal degradation and crack resistant functionally graded cemented tungsten carbide and polycrystalline diamond
SE532704C2 (sv) * 2008-03-31 2010-03-23 Atlas Copco Secoroc Ab Förfarande för att öka segheten av stift för ett bergborrverktyg.
DE102008040094A1 (de) 2008-07-02 2009-01-29 Basf Se Verfahren zur Herstellung eines oxidischen geometrischen Formkörpers
DE102008040093A1 (de) 2008-07-02 2008-12-18 Basf Se Verfahren zur Herstellung eines ringähnlichen oxidischen Formkörpers
EP2184122A1 (de) 2008-11-11 2010-05-12 Sandvik Intellectual Property AB Zementierter Carbidkörper und Verfahren
CN101429618B (zh) * 2008-11-21 2012-10-31 嘉应学院 型内熔化扩散形成梯度耐磨材料及其制造方法
AT13536U1 (de) * 2013-05-07 2014-02-15 Plansee Se Verfahren zur Herstellung eines Formkörpers und damit herstellbarer Formkörper
EP3004411B1 (de) * 2013-05-31 2021-07-07 Sandvik Intellectual Property AB Neues verfahren zur herstellung eines hartmetalls und damit hergestelltes produkt
IN2013CH04500A (de) 2013-10-04 2015-04-10 Kennametal India Ltd
CN104404283B (zh) * 2014-12-15 2017-01-04 中南大学 一种直接添加难熔金属制备梯度硬质合金的方法
CN104988372B (zh) * 2015-08-06 2017-04-26 广东工业大学 一种表面软化的梯度硬质合金及其制备方法
EP3808867B1 (de) * 2016-09-28 2023-09-13 Sandvik Intellectual Property AB Gesteinsbohreinsatz
CN108480624B (zh) * 2018-04-13 2019-09-13 昆明理工大学 一种粉末递增压制装置及压制方法
EP3653743A1 (de) * 2018-11-14 2020-05-20 Sandvik Mining and Construction Tools AB Bindemittelumverteilung in einem hartmetallbergbaueinsatz
US12390861B2 (en) * 2018-12-20 2025-08-19 Ab Sandvik Coromant Coated cutting tool
EP3763840B1 (de) * 2019-07-10 2022-04-20 Sandvik Mining and Construction Tools AB Gradientenhartmetallkörper und verfahren zur herstellung davon
CN111069610A (zh) * 2019-12-20 2020-04-28 株洲硬质合金集团有限公司 一种梯度结构硬质合金球齿及其制备方法
EP3909707B1 (de) * 2020-05-14 2024-11-06 Sandvik Mining and Construction Tools AB Verfahren zur behandlung eines zementierten hartmetalleinsatzes
DE102020120576A1 (de) * 2020-08-04 2022-02-10 Hauni Maschinenbau Gmbh Hartmetallmesser für Strangschnitt und Messerhalter
WO2022091343A1 (ja) * 2020-10-30 2022-05-05 住友電工ハードメタル株式会社 超硬合金及びそれを備える切削工具
CN114737097B (zh) * 2022-04-27 2022-12-09 山东大学 一种三层梯度结构硬质合金及其制备方法

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US5945167A (en) * 1994-10-27 1999-08-31 Honda Giken Kogyo Kabushiki Kaisha Method of manufacturing composite material
WO2000038864A1 (en) * 1998-12-23 2000-07-06 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive body

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WO2000038864A1 (en) * 1998-12-23 2000-07-06 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive body

Also Published As

Publication number Publication date
US7537726B2 (en) 2009-05-26
EP1364732A2 (de) 2003-11-26
ATE387978T1 (de) 2008-03-15
US20080075621A1 (en) 2008-03-27
IL155430A (en) 2009-05-04
AT5837U1 (de) 2002-12-27
DE50309292D1 (de) 2008-04-17
CN100482836C (zh) 2009-04-29
CN1480543A (zh) 2004-03-10
US20040009088A1 (en) 2004-01-15
EP1364732B1 (de) 2008-03-05
JP2003328067A (ja) 2003-11-19
IL155430A0 (en) 2003-11-23

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