JPH10508905A - コバルト塩及び可溶性タングステン酸塩から硬質材料粉末を作成する方法 - Google Patents
コバルト塩及び可溶性タングステン酸塩から硬質材料粉末を作成する方法Info
- Publication number
- JPH10508905A JPH10508905A JP8515994A JP51599496A JPH10508905A JP H10508905 A JPH10508905 A JP H10508905A JP 8515994 A JP8515994 A JP 8515994A JP 51599496 A JP51599496 A JP 51599496A JP H10508905 A JPH10508905 A JP H10508905A
- Authority
- JP
- Japan
- Prior art keywords
- ammonium
- salt
- powder
- solution
- tungsten
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/006—Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
- 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
- C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
- C22C1/055—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
-
- 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
- C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
- C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.70℃から沸騰点までの温度とほぼ中性のpHとの水溶液中で、タングス テン酸塩とコバルト(ニッケル)塩と間の化学反応によって、W+Co(Ni) 錯イオンのアンモニウム塩としてタングステンとコバルト及び/またはニッケル を含有する粉末を作成する方法であって、 前記タングステン酸塩が、高可溶性のタングステン酸ナトリウムまたはメタタ ングステン酸アンモニウムであることを特徴とするタングステンとコバルト及び /またはニッケルを含有する粉末を作成する方法。 2.前記タングステン塩がタングステン酸ナトリウムであり、酢酸アンモニウ ムが前記溶液に添加されることにより、W+Co(Ni)錯イオンのアンモニウ ム塩を含有する微細グリーン粉末が冷却時に沈殿することを特徴とする請求項1 記載の方法。 3.前記グリーン粉末が再結晶過程でさらに精製されることを特徴とする請求 項2記載の方法。 4.前記タングステン塩が、前記Co塩の添加する以前にイオン交換過程によ って、タングステン酸ナトリウムから変換されたタングステン酸アンモニウムで あることにより、W+Co(Ni)錯イオンのアンモニウム塩を含有する微細ピ ンク粉末が沈殿することを特徴とする請求項1記載の方法。 5.前記タングステン塩が、前記Co塩の添加する以前にイオン交換過程によ って、タングステン酸ナトリウムから変換されたタングステン酸アンモニウムで あり、酢酸アンモニウムが添加された後に、それによってW+Co(Ni)錯イ オンのアンモニウム塩を含有する微細グリーン粉末が冷却時に沈殿することを特 徴とする請求 項1記載の方法。 6.前記タングステン塩が、メタタングステン酸アンモニウムであることによ り、W+Co(Ni)錯イオンのアンモニウム塩を含有する微細ピンク粉末が沈 殿することを特徴とする請求項1記載の方法。 7.前記タングステン塩が、メタタングステン酸アンモニウムであり、酢酸ア ンモニウムが添加されることにより、W+Co(Ni)錯イオンのアンモニウム 塩を含有する微細グリーン粉末が冷却時に沈殿することを特徴とする請求項1記 載の方法。 8.前記タングステン塩が、メタタングステン酸アンモニウムであり且つCo 塩が塩基性で不溶性の塩であることを特徴とする請求項1記載の方法。 9.W+Co(Ni)錯イオンのアンモニウム塩を含有する前記グリーン/ピ ンク粉末が濾過され、乾燥され金属粉末に還元され、さらに炭化されてWC、C o及びNiを含有する粉末を形成することを特徴とする請求項1〜8のいずれか 1項記載の方法。 10.Cr及び/またはVが化学反応過程中に添加されることを特徴とする請 求項1〜9のいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403954A SE504730C2 (sv) | 1994-11-16 | 1994-11-16 | Metod att tillverka pulver av ett komplext ammoniumsalt av W och Co och/eller Ni |
SE9403954-2 | 1994-11-16 | ||
PCT/SE1995/001357 WO1996014952A1 (en) | 1994-11-16 | 1995-11-15 | Method of preparing powders for hard materials from cobalt salts and soluble tungstate salts |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10508905A true JPH10508905A (ja) | 1998-09-02 |
Family
ID=20395998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8515994A Ceased JPH10508905A (ja) | 1994-11-16 | 1995-11-15 | コバルト塩及び可溶性タングステン酸塩から硬質材料粉末を作成する方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5632824A (ja) |
EP (1) | EP0793555B1 (ja) |
JP (1) | JPH10508905A (ja) |
AT (1) | ATE189146T1 (ja) |
DE (1) | DE69514825T2 (ja) |
IL (1) | IL115939A (ja) |
SE (1) | SE504730C2 (ja) |
WO (1) | WO1996014952A1 (ja) |
ZA (1) | ZA959577B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005060224A (ja) * | 2003-08-12 | 2005-03-10 | Sandvik Ab | サブミクロンの超硬合金を作製する方法 |
JP2007262475A (ja) * | 2006-03-28 | 2007-10-11 | Kyocera Corp | 超硬合金粉末およびその製法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6436167B1 (en) * | 1996-05-13 | 2002-08-20 | The United States Of America As Represented By The Secretary Of The Navy | Synthesis of nanostructured composite particles using a polyol process |
CA2221432A1 (en) * | 1996-12-05 | 1998-06-05 | Li Wu | Method of forming metal carbides and metal carbide composites |
SE510749C2 (sv) * | 1997-12-22 | 1999-06-21 | Sandvik Ab | Sätt att framställa ett metallkompositmaterial innehållande hårda partiklar och bindemetall |
FR2784690B1 (fr) * | 1998-10-16 | 2001-10-12 | Eurotungstene Poudres | Poudres metalliques microniques a base de tungstene et/ou de molybdene et de materiaux de transition 3d |
KR100346762B1 (ko) * | 1999-07-21 | 2002-07-31 | 한국기계연구원 | 초미립 WC/TiC/Co 복합초경분말 제조방법 |
JP4797099B2 (ja) * | 2009-10-01 | 2011-10-19 | Jx日鉱日石金属株式会社 | 高純度タングステン粉末の製造方法 |
IN2013CH04500A (ja) | 2013-10-04 | 2015-04-10 | Kennametal India Ltd | |
US10262763B2 (en) * | 2016-09-19 | 2019-04-16 | Radium Incorporated | Systems, devices, and/or methods for managing radiation shielding |
GB2562435A (en) * | 2016-11-18 | 2018-11-14 | Inst Energiteknik | Tracers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3488291A (en) * | 1964-06-17 | 1970-01-06 | Cabot Corp | Process and composition for the production of cemented metal carbides |
US3440035A (en) * | 1965-08-30 | 1969-04-22 | Toshiba Tungaloy Co Ltd | Method for preparing raw materials for sintered alloys |
GB1367763A (en) * | 1970-10-05 | 1974-09-25 | Atomic Energy Authority Uk | Sols nad gels containing mixed tungsten and titanium oxides and carbides produced therefrom |
DE3830111A1 (de) * | 1988-09-05 | 1990-03-15 | Dornier Gmbh | Legierungspulver |
US4913731A (en) * | 1988-10-03 | 1990-04-03 | Gte Products Corporation | Process of making prealloyed tungsten alloy powders |
EP0452480A4 (en) * | 1989-11-09 | 1993-03-17 | Procedyne Corporation | Spray conversion process for the production of nanophase composite powders |
JPH07500804A (ja) * | 1991-08-07 | 1995-01-26 | ラットジャーズ,ザ ステート ユニバーシティ オブ ニュージャージー | ナノフェイズWC−Co粉末製造用炭素熱反応プロセス |
-
1994
- 1994-11-16 SE SE9403954A patent/SE504730C2/sv not_active IP Right Cessation
-
1995
- 1995-11-09 IL IL11593995A patent/IL115939A/xx not_active IP Right Cessation
- 1995-11-10 ZA ZA959577A patent/ZA959577B/xx unknown
- 1995-11-14 US US08/557,579 patent/US5632824A/en not_active Expired - Lifetime
- 1995-11-15 JP JP8515994A patent/JPH10508905A/ja not_active Ceased
- 1995-11-15 DE DE69514825T patent/DE69514825T2/de not_active Expired - Fee Related
- 1995-11-15 AT AT95937289T patent/ATE189146T1/de not_active IP Right Cessation
- 1995-11-15 EP EP95937289A patent/EP0793555B1/en not_active Expired - Lifetime
- 1995-11-15 WO PCT/SE1995/001357 patent/WO1996014952A1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005060224A (ja) * | 2003-08-12 | 2005-03-10 | Sandvik Ab | サブミクロンの超硬合金を作製する方法 |
JP2007262475A (ja) * | 2006-03-28 | 2007-10-11 | Kyocera Corp | 超硬合金粉末およびその製法 |
JP4651565B2 (ja) * | 2006-03-28 | 2011-03-16 | 京セラ株式会社 | 超硬合金粉末の製法 |
Also Published As
Publication number | Publication date |
---|---|
EP0793555B1 (en) | 2000-01-26 |
ATE189146T1 (de) | 2000-02-15 |
EP0793555A1 (en) | 1997-09-10 |
IL115939A0 (en) | 1996-01-31 |
DE69514825D1 (de) | 2000-03-02 |
SE504730C2 (sv) | 1997-04-14 |
DE69514825T2 (de) | 2000-10-12 |
US5632824A (en) | 1997-05-27 |
IL115939A (en) | 2000-02-17 |
ZA959577B (en) | 1996-05-27 |
SE9403954D0 (sv) | 1994-11-16 |
WO1996014952A1 (en) | 1996-05-23 |
SE9403954L (sv) | 1996-05-17 |
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