EP1142661A3 - Verfahren zur Herstellung von Verbundpulvern auf Basis Silber-Zinnoxid und deren Verwendung zur Herstellung von Kontaktwerkstoffen - Google Patents

Verfahren zur Herstellung von Verbundpulvern auf Basis Silber-Zinnoxid und deren Verwendung zur Herstellung von Kontaktwerkstoffen Download PDF

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Publication number
EP1142661A3
EP1142661A3 EP01107637A EP01107637A EP1142661A3 EP 1142661 A3 EP1142661 A3 EP 1142661A3 EP 01107637 A EP01107637 A EP 01107637A EP 01107637 A EP01107637 A EP 01107637A EP 1142661 A3 EP1142661 A3 EP 1142661A3
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EP
European Patent Office
Prior art keywords
tin oxide
silver
preparation
solution
contact 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.)
Granted
Application number
EP01107637A
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English (en)
French (fr)
Other versions
EP1142661A2 (de
EP1142661B1 (de
Inventor
Mechthild Müller
Dietrich Dr. Rühlicke
Frank Dr. Heringhaus
Roger Wolmer
Dan V. Goia
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.)
Umicore AG and Co KG
Original Assignee
Umicore AG and Co KG
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Publication date
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Application filed by Umicore AG and Co KG filed Critical Umicore AG and Co KG
Publication of EP1142661A2 publication Critical patent/EP1142661A2/de
Publication of EP1142661A3 publication Critical patent/EP1142661A3/de
Application granted granted Critical
Publication of EP1142661B1 publication Critical patent/EP1142661B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/18—Non-metallic particles coated with metal
    • 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
    • B22F3/12—Both compacting and sintering
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
    • C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • H01H1/0237—Composite material having a noble metal as the basic material and containing oxides
    • H01H1/02372—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te
    • H01H1/02376—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te containing as major component SnO2

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung von Verbundpulvern auf Basis Silber-Zinnoxid durch chemischreduktive Fällung des Silbers auf partikelförmiges Zinnoxid, bei dem zur Fällung des Silbers zu einer wäßrigen Suspension des Zinnoxids bei intensiver Durchmischung gleichzeitig aber unter getrennter Zuführung je eine Lösung einer Silberverbindung und eine Lösung eines Reduktionsmittels in stöchiometrisch äquivalenter Menge kontinuierlich über den Reaktionsverlauf hinweg zugegeben werden.
Die erhaltenen Verbundpulver, die zu Kontaktwerkstoffen verarbeitet werden können, weisen eine sehr hohe Homogenität auf. Das Verfahren eignet sich besonders zur Herstellung von Verbundpulvern und Kontaktwerkstoffen auf Basis von mit Indiumoxid dotiertem Silber-Zinnoxid.
EP01107637A 2000-04-06 2001-03-28 Verfahren zur Herstellung von Verbundpulvern auf Basis Silber-Zinnoxid Expired - Lifetime EP1142661B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10017282 2000-04-06
DE10017282A DE10017282C2 (de) 2000-04-06 2000-04-06 Verfahren zur Herstellung von Verbundpulver auf Basis Siler-Zinnoxid und deren Verwendung zur Herstellung von Kontaktwerkstoffen

Publications (3)

Publication Number Publication Date
EP1142661A2 EP1142661A2 (de) 2001-10-10
EP1142661A3 true EP1142661A3 (de) 2003-05-28
EP1142661B1 EP1142661B1 (de) 2005-08-24

Family

ID=7637888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01107637A Expired - Lifetime EP1142661B1 (de) 2000-04-06 2001-03-28 Verfahren zur Herstellung von Verbundpulvern auf Basis Silber-Zinnoxid

Country Status (4)

Country Link
US (1) US6409794B2 (de)
EP (1) EP1142661B1 (de)
AT (1) ATE302662T1 (de)
DE (2) DE10017282C2 (de)

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US7410610B2 (en) * 2002-06-14 2008-08-12 General Electric Company Method for producing a titanium metallic composition having titanium boride particles dispersed therein
US6921510B2 (en) * 2003-01-22 2005-07-26 General Electric Company Method for preparing an article having a dispersoid distributed in a metallic matrix
US7416697B2 (en) 2002-06-14 2008-08-26 General Electric Company Method for preparing a metallic article having an other additive constituent, without any melting
US7329381B2 (en) * 2002-06-14 2008-02-12 General Electric Company Method for fabricating a metallic article without any melting
US7531021B2 (en) 2004-11-12 2009-05-12 General Electric Company Article having a dispersion of ultrafine titanium boride particles in a titanium-base matrix
US7336466B2 (en) * 2005-02-25 2008-02-26 Lincoln Global Inc. Contactor material for welding wire feeder
DE102005038235A1 (de) * 2005-08-12 2007-02-15 Umicore Ag & Co. Kg Verwendung von Indium-Zinn-Mischoxid für Werkstoffe auf Silberbasis
EP1915765B1 (de) * 2005-08-12 2010-08-04 Umicore AG & Co. KG Werkstoff auf der basis silber-kohlenstoff und verfahren zu dessen herstellung
CN100452259C (zh) * 2006-03-17 2009-01-14 乐百令 银-镍电触头制造工艺
US7566437B2 (en) * 2006-03-31 2009-07-28 Umicore Ag & Co. Kg Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced
US9580810B2 (en) 2007-02-27 2017-02-28 Mitsubishi Materials Corporation Dispersion of metal nanoparticles, method for producing the same, and method for synthesizing metal nanoparticles
JP5320769B2 (ja) * 2007-02-27 2013-10-23 三菱マテリアル株式会社 金属ナノ粒子の合成方法
DE102010014745B4 (de) 2010-01-15 2011-09-22 Tyco Electronics Amp Gmbh Elektrisches Kontaktelement und Verfahren zur Herstellung eines elektrischen Kontaktelements
CN102074278B (zh) * 2010-12-09 2011-12-28 温州宏丰电工合金股份有限公司 颗粒定向排列增强银基电触头材料的制备方法
CN102142325B (zh) * 2010-12-30 2013-04-03 温州宏丰电工合金股份有限公司 颗粒定向排列增强银基氧化物电触头材料及其制备方法
CN102389981A (zh) * 2011-06-21 2012-03-28 佛山通宝精密合金股份有限公司 一种连续均匀化制备银氧化锡材料的方法
KR101351259B1 (ko) 2012-01-20 2014-01-14 동아대학교 산학협력단 은 코팅 판상 산화 제1주석 분말 및 그 합성 방법
CN102528055B (zh) * 2012-02-13 2013-12-04 中国科学院宁波材料技术与工程研究所 一种银氧化锡复合粉体的制备方法及其应用
JP6358902B2 (ja) * 2014-09-02 2018-07-18 株式会社アルバック 排ガス浄化用触媒の製造方法
CN105728714B (zh) 2014-12-12 2018-12-04 施耐德电气工业公司 银-金属氧化物电触头材料的制备方法、装置以及应用
CN104493171A (zh) * 2014-12-30 2015-04-08 桂林电器科学研究院有限公司 一种片状银氧化锌电触头材料的制备方法
CN105695791B (zh) * 2016-02-25 2017-12-15 昆明贵金属研究所 一种新型银稀土氧化物合金及其制备方法
CN106086495B (zh) * 2016-06-17 2017-07-11 石家庄铁道大学 氧化铜掺杂银氧化锡复合材料及其制备方法
CN111468719B (zh) * 2020-03-07 2022-03-25 浙江福达合金材料科技有限公司 一种银氧化锡片状电触头及其制备方法
CN114082978B (zh) * 2021-11-29 2024-06-11 大连大学 一种纳米AgSn-SnO2针状复合粉体的制备方法
CN115974138A (zh) * 2022-11-16 2023-04-18 华中科技大学 一种用于检测月壤挥发分中h2s气体的复合材料及其制备方法
CN115740465B (zh) * 2022-12-13 2023-08-18 温州中希电工合金有限公司 一种银氧化锡触头材料及其制备方法

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Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0369282A2 (de) * 1988-11-17 1990-05-23 Siemens Aktiengesellschaft Niederspannungsschaltgeräte-Sinterkontaktwerkstoff der Energietechnik, insbesondere für Motorschütze

Non-Patent Citations (2)

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Title
BEHRENS V ET AL: "AN ADVANCED SILVER/TIN OXIDE CONTACT MATERIAL", PROCEEDINGS OF THE HOLM CONFERENCE ON ELECTRICAL CONTACTS. PITTSBURGH, SEPT. 27 - 29, 1993, NEW YORK, IEEE, US, vol. CONF. 39, 27 September 1993 (1993-09-27), pages 19 - 25, XP000419850 *
CHANG H ET AL: "NOVEL METHOD FOR PREPARATION OF SILVER-TIN OXIDE ELECTRICAL CONTACTS", JOURNAL OF HEAT TREATING, SPRINGER VERLAG, NEW YORK, US, vol. 1, no. 2, 1 April 1992 (1992-04-01), pages 255 - 260, XP000277287, ISSN: 0190-9177 *

Also Published As

Publication number Publication date
DE50107166D1 (de) 2005-09-29
US6409794B2 (en) 2002-06-25
ATE302662T1 (de) 2005-09-15
EP1142661A2 (de) 2001-10-10
DE10017282C2 (de) 2002-02-14
US20010051102A1 (en) 2001-12-13
EP1142661B1 (de) 2005-08-24
DE10017282A1 (de) 2001-10-18

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