CN102652106A - 一种超细碳化钨粉末的制备方法 - Google Patents
一种超细碳化钨粉末的制备方法 Download PDFInfo
- Publication number
- CN102652106A CN102652106A CN2009801624476A CN200980162447A CN102652106A CN 102652106 A CN102652106 A CN 102652106A CN 2009801624476 A CN2009801624476 A CN 2009801624476A CN 200980162447 A CN200980162447 A CN 200980162447A CN 102652106 A CN102652106 A CN 102652106A
- Authority
- CN
- China
- Prior art keywords
- powder
- tungsten
- ultrafine
- ultrafine tungsten
- tungsten powder
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/949—Tungsten or molybdenum carbides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
Claims (1)
- 权利要求书一种超细碳化钨粉末的制备方法, 以超细钨粉和炭黑为原料, 其 特征在于, 包括以下步骤:(1) 超细钨粉的钝化: 在超细钨粉中充入纯净二氧化碳气体后静 置, 使超细钨粉末表面钝化;(2) 配炭: 将钝化后的超细钨粉和炭粉装入配炭机中, 冷却水降 温, 通入惰性气体保护后混合, 混合后自然冷却;(3) 碳化: 将混合好的超细钨粉和炭粉在炭化炉中高温碳化合成 块状碳化钨粉;(4) 粉碎过筛: 将块状的碳化钨粉装入粉碎机中粉碎, 冷却后过 筛得到碳化钨粉末。根据权利要求 1所述的制备方法, 其特征在于: 步骤 (1) 中超细 钨粉充入纯净二氧化碳气体, 使超细钨粉表面钝化。根据权利要求 1所述的制备方法, 其特征在于: 步骤 (2) 中超细 钨粉和炭黑在混合过程中经过冷却水降温。根据权利要求 1所述的制备方法, 其特征在于: 步骤 (2) 中超细 钨粉和炭黑在混合过程中通入惰性气体保护。根据权利要求 1所述的制备方法, 其特征在于: 步骤 (4) 中粉碎 后碳化钨粉末可釆用冷却水降温后过筛。根据权利要求 1所述的制备方法, 其特征在于: 步骤 (4) 中粉碎 后碳化钨粉末在充入惰性气体保护下过筛。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980162447.6A CN102652106B (zh) | 2009-11-16 | 2009-12-30 | 一种超细碳化钨粉末的制备方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910223448.9 | 2009-11-16 | ||
CN200910223448A CN101723368A (zh) | 2009-11-16 | 2009-11-16 | 一种超细碳化钨粉末的制备方法 |
PCT/CN2009/076278 WO2011057462A1 (zh) | 2009-11-16 | 2009-12-30 | 一种超细碳化钨粉末的制备方法 |
CN200980162447.6A CN102652106B (zh) | 2009-11-16 | 2009-12-30 | 一种超细碳化钨粉末的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102652106A true CN102652106A (zh) | 2012-08-29 |
CN102652106B CN102652106B (zh) | 2014-06-18 |
Family
ID=42445026
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410036103.3A Expired - Fee Related CN103738963B (zh) | 2009-11-16 | 2009-11-16 | 一种超细碳化钨粉末的制备方法 |
CN200910223448A Pending CN101723368A (zh) | 2009-11-16 | 2009-11-16 | 一种超细碳化钨粉末的制备方法 |
CN200980162447.6A Expired - Fee Related CN102652106B (zh) | 2009-11-16 | 2009-12-30 | 一种超细碳化钨粉末的制备方法 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410036103.3A Expired - Fee Related CN103738963B (zh) | 2009-11-16 | 2009-11-16 | 一种超细碳化钨粉末的制备方法 |
CN200910223448A Pending CN101723368A (zh) | 2009-11-16 | 2009-11-16 | 一种超细碳化钨粉末的制备方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8980215B2 (zh) |
EP (1) | EP2502879A4 (zh) |
JP (1) | JP5595512B2 (zh) |
KR (1) | KR101384006B1 (zh) |
CN (3) | CN103738963B (zh) |
AU (1) | AU2009355218B2 (zh) |
WO (1) | WO2011057462A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103626181A (zh) * | 2013-12-12 | 2014-03-12 | 株洲硬质合金集团有限公司 | 一种制备均匀超细碳化钨的方法 |
CN103834824B (zh) * | 2014-03-20 | 2016-06-01 | 中国科学院长春应用化学研究所 | 一种无粘结相碳化钨硬质合金及其制备方法 |
US10531555B1 (en) * | 2016-03-22 | 2020-01-07 | The United States Of America As Represented By The Secretary Of The Army | Tungsten oxide thermal shield |
CN106079001B (zh) * | 2016-06-20 | 2019-03-01 | 浙江旺林生物科技有限公司 | 一种纳米竹炭粉生产工艺 |
CN106123421A (zh) * | 2016-08-26 | 2016-11-16 | 江西稀有稀土金属钨业集团有限公司 | 超细钨粉末冷却系统 |
CN106243422A (zh) * | 2016-08-28 | 2016-12-21 | 肖丽燕 | 一种耐油耐磨尼龙66短纤维改性增强丁腈橡胶密封板材及其制备方法 |
CN109019692B (zh) * | 2018-10-19 | 2021-06-22 | 湖南金雕能源科技有限公司 | 碳化钨的制备方法 |
CN110510614A (zh) * | 2019-09-26 | 2019-11-29 | 株洲硬质合金集团有限公司 | 一种超细碳化钨粉末的制备方法 |
CN112624118A (zh) * | 2020-12-20 | 2021-04-09 | 荆门市慧丰和新材料技术开发中心(有限合伙) | 一种碳化钨生产用的无舟式球磨过筛合批一体系统 |
CN113501523A (zh) * | 2021-08-12 | 2021-10-15 | 赣州江钨友泰新材料有限公司 | 一种连续动态还原钨粉制备超细颗粒碳化钨的工艺 |
CN114132927B (zh) * | 2021-11-15 | 2023-02-17 | 赣州海盛钨钼集团有限公司 | 一种碳化钨粉的制备系统 |
CN114506846B (zh) * | 2022-02-15 | 2023-06-06 | 厦门金鹭特种合金有限公司 | 一种超细碳化物的生产方法及生产装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS504199B1 (zh) * | 1970-03-20 | 1975-02-15 | ||
JPS5295510A (en) * | 1976-02-04 | 1977-08-11 | Vni I Puroekutoni I Tsugopuraf | Method of producing tungstenncarbideecontaining superhard alloy |
US5131992A (en) | 1990-01-08 | 1992-07-21 | The United States Of America, As Represented By The Secretary Of The Interior | Microwave induced plasma process for producing tungsten carbide |
US5166103A (en) * | 1991-08-13 | 1992-11-24 | Vladimir Krstic | Method of making monotunsten carbide and mixtures of monotungsten carbide-titanium carbide powders |
US5942204A (en) * | 1997-03-31 | 1999-08-24 | Omg Americas, Inc. | Method to produce a transition metal carbide from a partially reduced transition metal compound |
DE19852459A1 (de) * | 1998-11-13 | 2000-05-18 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung von Wolframkarbiden durch Gasphasenkarburierung |
AT3064U1 (de) * | 1998-12-28 | 1999-09-27 | Plansee Tizit Gmbh | Gaskarburierungsverfahren zur herstellung von reinem wc-pulver |
JP2004142993A (ja) * | 2002-10-24 | 2004-05-20 | Toshiba Tungaloy Co Ltd | 六方晶複合炭化物およびその製造方法 |
US7625542B2 (en) | 2003-04-25 | 2009-12-01 | Inframat Corporation | Method for the production of metal carbides |
CN1594078A (zh) * | 2003-09-10 | 2005-03-16 | 厦门金鹭特种合金有限公司 | 一种高性能超细碳化钨粉的制备方法 |
CN1234489C (zh) * | 2003-09-10 | 2006-01-04 | 厦门金鹭特种合金有限公司 | 一种高性能纳米级及超细钨粉的制备方法 |
JP2007045670A (ja) * | 2005-08-10 | 2007-02-22 | Hyogo Prefecture | 金属炭化物の製造方法 |
CN101264888B (zh) * | 2007-03-15 | 2011-03-16 | 厦门金鹭特种合金有限公司 | 一种纳米级碳化钨粉的制备方法 |
-
2009
- 2009-11-16 CN CN201410036103.3A patent/CN103738963B/zh not_active Expired - Fee Related
- 2009-11-16 CN CN200910223448A patent/CN101723368A/zh active Pending
- 2009-12-30 US US13/509,621 patent/US8980215B2/en not_active Expired - Fee Related
- 2009-12-30 AU AU2009355218A patent/AU2009355218B2/en not_active Ceased
- 2009-12-30 JP JP2012538164A patent/JP5595512B2/ja not_active Expired - Fee Related
- 2009-12-30 KR KR1020127012419A patent/KR101384006B1/ko not_active IP Right Cessation
- 2009-12-30 EP EP09851217.1A patent/EP2502879A4/en not_active Withdrawn
- 2009-12-30 CN CN200980162447.6A patent/CN102652106B/zh not_active Expired - Fee Related
- 2009-12-30 WO PCT/CN2009/076278 patent/WO2011057462A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US8980215B2 (en) | 2015-03-17 |
JP5595512B2 (ja) | 2014-09-24 |
WO2011057462A1 (zh) | 2011-05-19 |
US20130004407A1 (en) | 2013-01-03 |
JP2013510783A (ja) | 2013-03-28 |
CN103738963A (zh) | 2014-04-23 |
EP2502879A4 (en) | 2015-11-11 |
KR101384006B1 (ko) | 2014-04-10 |
CN101723368A (zh) | 2010-06-09 |
CN102652106B (zh) | 2014-06-18 |
CN103738963B (zh) | 2015-07-22 |
EP2502879A1 (en) | 2012-09-26 |
AU2009355218A1 (en) | 2012-05-31 |
AU2009355218B2 (en) | 2013-09-26 |
KR20120068979A (ko) | 2012-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102652106A (zh) | 一种超细碳化钨粉末的制备方法 | |
CN101664809B (zh) | 一种均匀粗晶粒钨粉及碳化钨粉末的制备方法 | |
JP2013510783A5 (zh) | ||
JP2004508461A (ja) | 超粗粒の単結晶の炭化タングステン及びその製造方法及びそれから製造される硬質合金 | |
CN109079151B (zh) | 一种高温液相还原氧化钨制备超粗钨粉的方法 | |
CN103570019A (zh) | 一种窄粒度分布超粗晶碳化钨粉末及其制备方法 | |
EP2521799A1 (en) | A process for recycling of tungsten carbide alloy | |
CN102534277A (zh) | 一种粗颗粒及超粗颗粒硬质合金的制备新方法 | |
CN108746656A (zh) | 用于金刚石制品的预合金粉及其制备方法 | |
CN107973299B (zh) | 一种高温基wc粉末的生产系统及其生产工艺 | |
CN110745826A (zh) | 高熵五元金属碳化物固溶体及制备工艺 | |
CN104846258B (zh) | 铁基(V,Ti)CN复合粉体的制备方法 | |
JP4593173B2 (ja) | ナノ粒径を備えた複合炭化物粉末およびその製造方法 | |
CN103183347A (zh) | 粗碳化钨粉的制备方法 | |
CN107829009A (zh) | 一种多主元合金钻头及其制备方法 | |
CN104844218B (zh) | 一种碳氮化钨钛铌固溶体粉末 | |
CN102965559B (zh) | 含片状碳化钨颗粒的物料及其制法和使用其制合金的方法 | |
CN101906564B (zh) | 激光燃烧合成原位自生陶瓷相增强Al-Cu基复合材料的方法 | |
CN112441586A (zh) | 非化学计量比碳化钛TiCx粉体的制备方法 | |
CN110076478A (zh) | 用于高炉料钟系列产品的稀土耐磨堆焊材料 | |
CN106591615A (zh) | 超粗混晶结构矿用硬质合金的制备方法 | |
CN102660707A (zh) | WC-Al4W预合金粉的生产方法 | |
CN105948053A (zh) | 一种粗晶碳化钨的制备方法 | |
CN106270540A (zh) | 一种回收的镍钴制备铁基预合金粉末及制备方法 | |
CN107671304B (zh) | 一种碳热还原法合成铝合金粉体的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120829 Assignee: Ganzhou Jiang He tungsten New Material Co.,Ltd. Assignor: JIANGXI RARE EARTH AND RARE METALS TUNGSTEN Group Corp. Contract record no.: 2015360000053 Denomination of invention: Method for preparing superfine tungsten carbide powder Granted publication date: 20140618 License type: Exclusive License Record date: 20150527 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20211230 |