EP1079950B1 - Sinteraktive metall- und legierungspulver für pulvermetallurgische anwendungen und verfahren zu deren herstellung und deren verwendung - Google Patents
Sinteraktive metall- und legierungspulver für pulvermetallurgische anwendungen und verfahren zu deren herstellung und deren verwendung Download PDFInfo
- Publication number
- EP1079950B1 EP1079950B1 EP99923562A EP99923562A EP1079950B1 EP 1079950 B1 EP1079950 B1 EP 1079950B1 EP 99923562 A EP99923562 A EP 99923562A EP 99923562 A EP99923562 A EP 99923562A EP 1079950 B1 EP1079950 B1 EP 1079950B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal
- carboxylic acid
- precipitation
- metal salt
- aqueous
- 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
Links
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
- 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
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
Beispiel | ||||
1 | 2 | 3 | 4 | |
Wassermenge Oxalsäuresuspension (1) | 15,6) | 7,8 | 5,9 | 3,9 |
Teilchengröße des Mischoxalates (µm, FSSS) | 25,7 | 21,0 | 11,5 | 7,6 |
Legierungsmetallpulver: | ||||
Teilchengröße (µm, FSSS) | 2,1) | 1,73 | 0,72 | 0,7 |
physikalische Dichte (g/cm3) | 6,49 | 7,51 | 7,53 | 7,53 |
Fülldichte (g/cm3) | 0,44 | 0,38 | 0,26 | 0,24 |
Sauerstoffgehalt (Gew.-%) | 0,96 | 0,81 | 0,69 | 0,70 |
Sinterkörper: | ||||
Dichte (g/cm3) | 14,36 | 14,38 | 14,43 | 14,41 |
Vickershärte HV30 (kg/mm2) | 1785 | 1797 | 1814 | 1812 |
Porosität ASTM B 276 | A04B02C00 | A04B00C00 | <A02B00C00 | <A02B00C00 |
Sintertemperatur °C | Härte Rockwell B | Sinterdichte g/cm3 | % der theor. Dichte |
580 | 116,9 | 7,87 | 93,98 |
620 | 116,3 | 8,07 | 96,37 |
660 | 113,5 | 8,15 | 97,32 |
700 | 109,4 | 8,16 | 97,44 |
740 | 109,5 | 8,16 | 97,44 |
780 | 110,1 | 8,11 | 96,84 |
820 | 109,4 | 8,16 | 97,44 |
860 | 109,7 | 8,10 | 96,72 |
Beispiel | 7A | 7B |
Teilchengröße | ||
FSSS, µm | 4,67 | 4,8 |
Mastersizer | ||
D10 µm | 12,91 | 14,43 |
D50 µm | 35,23 | 36,72 |
D90 µm | 430,22 | 419,9 |
Dichte g/cm3 | 7,91 | 8,04 |
O2-Gehalt ppm | 3210 | 2100 |
C-Gehalt ppm | 200 | 50 |
Beispiel 7 A | Beispiel 7 B | |||||
Sintertemperatur °C | HRB | SD | % TD | HRB | SD | % TD |
580 | 105,8 | 7,55 | 88,95 | 110,9 | 7,92 | 93,83 |
620 | 111,1 | 8,05 | 94,84 | 111,3 | 8,22 | 97,38 |
660 | 111,2 | 8,19 | 96,49 | 110,6 | 8,22 | 97,38 |
700 | 110,6 | 8,19 | 96,49 | 109,8 | 8,22 | 97,38 |
740 | 109,6 | 8,20 | 96,6 | 107,5 | 8,22 | 97,38 |
780 | 109,6 | 8,19 | 96,49 | 108,6 | 8,24 | 97,62 |
820 | 108,6 | 8,18 | 96,37 | 104,4 | 8,24 | 97,62 |
860 | 106,6 | 8,20 | 96,60 | 106,2 | 8,23 | 97,5 |
Claims (4)
- Verfahren zur Herstellung von Metall- und Legierungspulvern, enthaltend mindestens eines der Metalle Eisen, Kupfer, Zinn, Kobalt oder Nickel, durch Vermischen von wässrigen Metallsalzlösungen mit einer wässrigen Carbonsäurelösung, Abtrennen des Fällungsproduktes von der Mutterlauge und Reduktion des Fällungsproduktes zum Metall, dadurch gekennzeichnet, dass die wässrige Carbonsäurelösung feste Carbonsäure in einer solchen Menge enthält, dass die Mutterlauge nach Beendigung der Fällung noch zu mindestens 10 % gesättigt ist, bezogen auf metallsalzfreie wässrige Lösung.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Fällungsprodukt vor der Reduktion zum metallischen Legierungspulver einer thermischen Zersetzung bei 200 bis 1.000°C in sauerstoffhaltiger Atmosphäre unterzogen wird.
- Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Metallsalzlösung in vorgelegte wässrige Carbonsäuresuspension eingeleitet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass wässrige Metallsalzlösung und Carbonsäure kontinuierlich in einen Fällungsreaktor eingeleitet werden und kontinuierlich eine das Fällungsprodukt enthaltende Mutterlauge abgezogen wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19822663A DE19822663A1 (de) | 1998-05-20 | 1998-05-20 | Sinteraktive Metall- und Legierungspulver für pulvermetallurgische Anwendungen und Verfahren zu deren Herstellung und deren Verwendung |
DE19822663 | 1998-05-20 | ||
PCT/EP1999/003170 WO1999059755A1 (de) | 1998-05-20 | 1999-05-08 | Sinteraktive metall- und legierungspulver für pulvermetallurgische anwendungen und verfahren zu deren herstellung und deren verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1079950A1 EP1079950A1 (de) | 2001-03-07 |
EP1079950B1 true EP1079950B1 (de) | 2003-08-13 |
Family
ID=7868428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99923562A Expired - Lifetime EP1079950B1 (de) | 1998-05-20 | 1999-05-08 | Sinteraktive metall- und legierungspulver für pulvermetallurgische anwendungen und verfahren zu deren herstellung und deren verwendung |
Country Status (10)
Country | Link |
---|---|
US (1) | US6554885B1 (de) |
EP (1) | EP1079950B1 (de) |
JP (2) | JP4257690B2 (de) |
KR (1) | KR100543834B1 (de) |
CN (1) | CN1254339C (de) |
AT (1) | ATE246976T1 (de) |
AU (1) | AU4039399A (de) |
CA (1) | CA2332889C (de) |
DE (2) | DE19822663A1 (de) |
WO (1) | WO1999059755A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008052559A1 (de) | 2008-10-21 | 2010-06-02 | H.C. Starck Gmbh | Metallpulver |
EP2436793A1 (de) | 2008-10-20 | 2012-04-04 | H.C. Starck GmbH | Metallpulver |
US8523976B2 (en) | 2006-09-22 | 2013-09-03 | H.C. Starck Gmbh | Metal powder |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE521488C2 (sv) | 2000-12-22 | 2003-11-04 | Seco Tools Ab | Belagt skär med järn-nickel-baserad bindefas |
WO2003083150A1 (en) * | 2002-03-29 | 2003-10-09 | Umicore | Pre-alloyed bond powders |
US7799141B2 (en) * | 2003-06-27 | 2010-09-21 | Lam Research Corporation | Method and system for using a two-phases substrate cleaning compound |
JP5095395B2 (ja) * | 2004-05-28 | 2012-12-12 | スミス アンド ネフュー インコーポレーテッド | 溝付き髄内ステム |
CN1868637B (zh) * | 2005-05-25 | 2010-04-21 | 成都平和同心金属粉末有限公司 | 铜合金包覆粉及制取方法 |
CN100509219C (zh) * | 2005-10-10 | 2009-07-08 | 中国科学院金属研究所 | 一种铁基扩散合金粉末的制备方法 |
FR2892957B1 (fr) * | 2005-11-09 | 2009-06-05 | Eurotungstene Poudres Soc Par | Poudre polymetallique et piece frittee fabriquee a partir de cette poudre |
CN100393454C (zh) * | 2005-11-25 | 2008-06-11 | 河南卡斯通科技有限公司 | 用于制备金刚石工具专用预合金粉的共沉淀法 |
CN101096053B (zh) * | 2006-06-29 | 2010-05-26 | 王世荣 | 一种钴铁超细合金粉的制备方法 |
DE102006045481B3 (de) * | 2006-09-22 | 2008-03-06 | H.C. Starck Gmbh | Metallpulver |
DE102006057004A1 (de) * | 2006-12-02 | 2008-06-05 | H.C. Starck Gmbh | Metallpulver |
DE102007004937B4 (de) * | 2007-01-26 | 2008-10-23 | H.C. Starck Gmbh | Metallformulierungen |
DE102007047312A1 (de) * | 2007-10-02 | 2009-04-09 | H.C. Starck Gmbh | Werkzeug |
DE602009000603D1 (de) * | 2008-05-21 | 2011-03-03 | Sandvik Intellectual Property | Verfahren zur Herstellung eines Verbunddiamantkörpers |
CN101428348B (zh) * | 2008-07-29 | 2010-09-08 | 张建玲 | 一种水热处理制备球形超细金属粉末的工艺方法 |
JP5546120B2 (ja) * | 2008-11-26 | 2014-07-09 | 京セラ株式会社 | サーメット製スローアウェイチップ |
US8216340B2 (en) * | 2009-03-03 | 2012-07-10 | E. I. Du Pont De Nemours And Company | Method for producing dispersed, crystalline, stable to oxidation copper particles |
JP5530270B2 (ja) * | 2010-06-29 | 2014-06-25 | Jx日鉱日石金属株式会社 | コバルト粉末及びその製造方法 |
PL2527480T3 (pl) | 2011-05-27 | 2017-12-29 | H.C. Starck Gmbh | Spoiwo NiFe o uniwersalnym zastosowaniu |
CN102218709B (zh) * | 2011-06-03 | 2013-01-09 | 福建万龙金刚石工具有限公司 | 防脱落的金刚石布拉及其制作工艺 |
CN102419076B (zh) * | 2011-11-29 | 2013-07-17 | 济南沃德汽车零部件有限公司 | 气门烘干机 |
US20130178360A1 (en) * | 2012-01-06 | 2013-07-11 | California Institute Of Technology | Nickel-based electrocatalytic photoelectrodes |
JP5991645B2 (ja) * | 2012-12-28 | 2016-09-14 | 住友電気工業株式会社 | 金属粉末の製造方法 |
EP3142816A4 (de) * | 2014-05-13 | 2017-12-27 | University Of Utah Research Foundation | Herstellung von im wesentlichen kugelförmigen metallpulvern |
CN104874807A (zh) * | 2015-06-17 | 2015-09-02 | 北京科技大学 | 一种具有体心立方结构纳米铁钴固溶体合金粉末的制备方法 |
PL232405B1 (pl) | 2015-07-27 | 2019-06-28 | Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie | Proszek stopowy na bazie żelaza, sposób jego wytwarzania i zastosowanie |
CN106180744A (zh) * | 2016-08-25 | 2016-12-07 | 董晓 | 一种金刚石制品用预合金粉末的制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB419953A (en) * | 1933-05-22 | 1934-11-22 | Telegraph Constr & Maintenance | Manufacture of nickel iron alloys |
GB610514A (en) * | 1943-03-01 | 1948-10-18 | Electro Chimie Metal | Improvements in or relating to the manufacture of iron powder and products produced therefrom |
US3923496A (en) * | 1945-04-26 | 1975-12-02 | Us Energy | Nickel powder and a process for producing it |
US3855016A (en) * | 1971-03-24 | 1974-12-17 | Graham Magnetics Inc | Acicular cobalt powders having high squarenesss ratios |
FR2587989B1 (fr) * | 1985-09-30 | 1987-11-13 | Centre Nat Rech Scient | Compositions particulaires d'oxalates de metaux ferromagnetiques, sous forme de particules aciculaires submicroniques, leur preparation et leur application |
DE3802811A1 (de) * | 1988-01-30 | 1989-08-10 | Starck Hermann C Fa | Agglomerierte metall-verbund-pulver, verfahren zu ihrer herstellung sowie deren verwendung |
DE69231381T2 (de) * | 1991-04-10 | 2000-12-28 | Sandvik Ab | Verfahren zur herstellung zementierter karbidartikel |
FR2723015B1 (fr) * | 1994-07-29 | 1996-09-13 | Commissariat Energie Atomique | Procede d'obtention de poudres de fer ou a base d e fer par precipitation en phase liquide organique |
DE19540076C1 (de) * | 1995-10-27 | 1997-05-22 | Starck H C Gmbh Co Kg | Ultrafeines Kobaltmetallpulver, Verfahren zu seiner Herstellung sowie Verwendung des Kobaltmetallpulvers und des Kobaltcarbonates |
BE1009811A3 (fr) * | 1995-12-08 | 1997-08-05 | Union Miniere Sa | Poudre prealliee et son utilisation dans la fabrication d'outils diamantes. |
KR100503436B1 (ko) | 1997-04-29 | 2005-07-26 | 유미코르 | 예비합금 구리 함유 분말 및 이를 다이아몬드공구 제조에 사용하는 방법 |
-
1998
- 1998-05-20 DE DE19822663A patent/DE19822663A1/de not_active Ceased
-
1999
- 1999-05-08 KR KR1020007012982A patent/KR100543834B1/ko not_active IP Right Cessation
- 1999-05-08 AT AT99923562T patent/ATE246976T1/de active
- 1999-05-08 CA CA2332889A patent/CA2332889C/en not_active Expired - Fee Related
- 1999-05-08 AU AU40393/99A patent/AU4039399A/en not_active Abandoned
- 1999-05-08 JP JP2000549408A patent/JP4257690B2/ja not_active Expired - Fee Related
- 1999-05-08 DE DE59906598T patent/DE59906598D1/de not_active Expired - Lifetime
- 1999-05-08 CN CNB998062944A patent/CN1254339C/zh not_active Expired - Fee Related
- 1999-05-08 EP EP99923562A patent/EP1079950B1/de not_active Expired - Lifetime
- 1999-05-08 WO PCT/EP1999/003170 patent/WO1999059755A1/de active IP Right Grant
- 1999-05-08 US US09/700,533 patent/US6554885B1/en not_active Expired - Fee Related
-
2008
- 2008-07-30 JP JP2008196006A patent/JP2009001908A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8523976B2 (en) | 2006-09-22 | 2013-09-03 | H.C. Starck Gmbh | Metal powder |
EP2436793A1 (de) | 2008-10-20 | 2012-04-04 | H.C. Starck GmbH | Metallpulver |
DE102008052559A1 (de) | 2008-10-21 | 2010-06-02 | H.C. Starck Gmbh | Metallpulver |
Also Published As
Publication number | Publication date |
---|---|
DE19822663A1 (de) | 1999-12-02 |
DE59906598D1 (de) | 2003-09-18 |
JP4257690B2 (ja) | 2009-04-22 |
ATE246976T1 (de) | 2003-08-15 |
KR100543834B1 (ko) | 2006-01-23 |
CN1254339C (zh) | 2006-05-03 |
CA2332889A1 (en) | 1999-11-25 |
JP2009001908A (ja) | 2009-01-08 |
WO1999059755A1 (de) | 1999-11-25 |
AU4039399A (en) | 1999-12-06 |
KR20010052366A (ko) | 2001-06-25 |
EP1079950A1 (de) | 2001-03-07 |
CN1301205A (zh) | 2001-06-27 |
US6554885B1 (en) | 2003-04-29 |
JP2002515543A (ja) | 2002-05-28 |
CA2332889C (en) | 2010-04-06 |
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