JP2006336042A5 - - Google Patents

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Publication number
JP2006336042A5
JP2006336042A5 JP2005159310A JP2005159310A JP2006336042A5 JP 2006336042 A5 JP2006336042 A5 JP 2006336042A5 JP 2005159310 A JP2005159310 A JP 2005159310A JP 2005159310 A JP2005159310 A JP 2005159310A JP 2006336042 A5 JP2006336042 A5 JP 2006336042A5
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JP
Japan
Prior art keywords
powder
raw material
niobium
tantalum
producing
Prior art date
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Application number
JP2005159310A
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Japanese (ja)
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JP5065580B2 (en
JP2006336042A (en
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Priority to JP2005159310A priority Critical patent/JP5065580B2/en
Priority claimed from JP2005159310A external-priority patent/JP5065580B2/en
Priority to CN200680018716.8A priority patent/CN101184568B/en
Priority to PCT/JP2006/311350 priority patent/WO2006129850A1/en
Priority to US11/919,464 priority patent/US8657915B2/en
Publication of JP2006336042A publication Critical patent/JP2006336042A/en
Publication of JP2006336042A5 publication Critical patent/JP2006336042A5/ja
Application granted granted Critical
Publication of JP5065580B2 publication Critical patent/JP5065580B2/en
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Claims (6)

タンタルまたはニオブからなる原料粉を熱凝集して凝集粉を得る熱凝集工程と、
前記凝集粉を、差動ロールを備えた解砕機により解砕する解砕工程とを有することを特徴とする金属粉末の製造方法。 A thermal aggregation process of thermally agglomerating raw material powder made of tantalum or niobium to obtain agglomerated powder;
And a crushing step of crushing the agglomerated powder with a crusher equipped with a differential roll. 解砕工程前に、凝集粉を予備粉砕する予備粉砕工程を有する請求項１に記載の金属粉末の製造方法。   The method for producing a metal powder according to claim 1, further comprising a preliminary pulverization step of pre-pulverizing the agglomerated powder before the pulverization step. 原料粉が、タンタル微粉末またはニオブ微粉末を圧縮成形し、差動ロールを備えた解砕機により解砕して得た解砕原料粉である請求項１または２に記載の金属粉末の製造方法。   The method for producing a metal powder according to claim 1 or 2, wherein the raw material powder is a pulverized raw material powder obtained by compression-molding tantalum fine powder or niobium fine powder and pulverizing with a pulverizer equipped with a differential roll. . 原料粉が、タンタル微粉末またはニオブの微粉末を、水をバインダとして造粒して得た造粒粉である請求項１または２に記載の金属粉末の製造方法。The method for producing metal powder according to claim 1 or 2, wherein the raw material powder is a granulated powder obtained by granulating tantalum fine powder or niobium fine powder using water as a binder. タンタルまたはニオブからなり、表面に平坦面が３カ所以上形成され、その平坦面の割合が全表面積の３０〜７０％である多面粒子であることを特徴とする金属粉末。   A metal powder comprising tantalum or niobium, and having three or more flat surfaces on the surface, and the ratio of the flat surfaces is 30 to 70% of the total surface area. コンデンサのアノード電極材料に用いられる請求項５に記載の金属粉末。 The metal powder according to claim 5 , which is used as an anode electrode material for a capacitor.
JP2005159310A 2005-05-31 2005-05-31 Method for producing metal powder Active JP5065580B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005159310A JP5065580B2 (en) 2005-05-31 2005-05-31 Method for producing metal powder
CN200680018716.8A CN101184568B (en) 2005-05-31 2006-05-31 Metal powder and manufacturing methods thereof
PCT/JP2006/311350 WO2006129850A1 (en) 2005-05-31 2006-05-31 Metal powder and manufacturing methods thereof
US11/919,464 US8657915B2 (en) 2005-05-31 2006-05-31 Metal powder and manufacturing methods thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005159310A JP5065580B2 (en) 2005-05-31 2005-05-31 Method for producing metal powder

Publications (3)

Publication Number Publication Date
JP2006336042A JP2006336042A (en) 2006-12-14
JP2006336042A5 true JP2006336042A5 (en) 2008-07-10
JP5065580B2 JP5065580B2 (en) 2012-11-07

Family

ID=37556856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005159310A Active JP5065580B2 (en) 2005-05-31 2005-05-31 Method for producing metal powder

Country Status (2)

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JP (1) JP5065580B2 (en)
CN (1) CN101184568B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7981191B2 (en) * 2007-10-15 2011-07-19 Hi-Temp Specialty Metals, Inc. Method for the production of tantalum powder using reclaimed scrap as source material
DE102009042598A1 (en) * 2009-09-23 2011-03-24 Gkn Sinter Metals Holding Gmbh Process for producing a green body
JP2016516124A (en) * 2013-02-26 2016-06-02 ニンシア オリエント タンタル インダストリー カンパニー、 リミテッド Powder material for capacitor grade tantalum-niobium alloy wire and preparation method thereof
CN104969318A (en) * 2013-12-25 2015-10-07 宁夏东方钽业股份有限公司 Capacitor grade high specific volume tantalum powder improving electrical performance and preparation method therefor
CA2958043A1 (en) * 2014-08-12 2016-02-18 Global Advanced Metals Usa, Inc. A method of making a capacitor grade powder and capacitor grade powder from said process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601443U (en) * 1983-06-18 1985-01-08 株式会社クボタ crusher
JP2675820B2 (en) * 1988-07-22 1997-11-12 昭和キャボットスーパーメタル株式会社 Tantalum powder granulation
JPH03291301A (en) * 1990-04-09 1991-12-20 Kawasaki Steel Corp Improvement of fillability of fine metal powder
JP3038397B2 (en) * 1991-06-11 2000-05-08 石川島播磨重工業株式会社 Porous implant material
JP2003147402A (en) * 2001-11-08 2003-05-21 Sumitomo Metal Mining Co Ltd Niobium powder
JP2004122121A (en) * 2002-09-12 2004-04-22 Toho Titanium Co Ltd Crushing method and crushing and particle-size sorting device of titanium sponge

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