WO2010081377A1 - 硬质合金混合料制备的球磨工艺 - Google Patents

硬质合金混合料制备的球磨工艺 Download PDF

Info

Publication number
WO2010081377A1
WO2010081377A1 PCT/CN2009/076228 CN2009076228W WO2010081377A1 WO 2010081377 A1 WO2010081377 A1 WO 2010081377A1 CN 2009076228 W CN2009076228 W CN 2009076228W WO 2010081377 A1 WO2010081377 A1 WO 2010081377A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
powder
ball milling
diameter
milling process
Prior art date
Application number
PCT/CN2009/076228
Other languages
English (en)
French (fr)
Inventor
李衍军
钟娟妹
刘志芳
胡松
Original Assignee
江西稀有稀土金属钨业集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江西稀有稀土金属钨业集团有限公司 filed Critical 江西稀有稀土金属钨业集团有限公司
Priority to CN2009801546246A priority Critical patent/CN102202817B/zh
Priority to JP2011545615A priority patent/JP5409810B2/ja
Priority to US13/144,699 priority patent/US8584975B2/en
Priority to AU2009337569A priority patent/AU2009337569B2/en
Priority to EP09838164A priority patent/EP2380684A1/en
Publication of WO2010081377A1 publication Critical patent/WO2010081377A1/zh

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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • 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
    • 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
    • C22C1/10—Alloys containing non-metals
    • C22C1/1084—Alloys containing non-metals by mechanical alloying (blending, milling)
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/042—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling

Definitions

  • the present invention relates to a ball milling process for preparing a cemented carbide mixture, particularly a stirred ball milling process prepared from a WC-Co ultrafine hard alloy mixture.
  • tungsten carbide in this patent specification refers to tungsten carbide powder with a particle size between 0.3 and 0.8 ⁇ m.
  • cemented carbide mixture is one of the important processes in the production of cemented carbide. Its purpose is to prepare powders of various carbides and cemented metals into a certain mixture of components and a certain particle size. Good or bad is an important aspect of determining the quality of cemented carbide.
  • the process has the disadvantages of high noise, high energy consumption and low efficiency.
  • the present invention provides a ball milling process for preparing a cemented carbide mixture, characterized in that the crucible is subjected to a stirring ball milling process in which a crucible having a diameter of 4 to 6 mm is used.
  • the ball, the positive and negative deviation of the diameter of the alloy ball is ⁇ 0.1 mm; the tungsten carbide powder and the cobalt powder having a diameter of 0.3 to 0.8 ⁇ m are used; the alcohol is used as the grinding medium; and the paraffin is used as the molding agent.
  • the rotation speed of the stirring arm is 100 to 135 rpm, and the ball milling time is 6 to 8 hours.
  • the amount of alcohol added is 500 to 800 ml/Kg.
  • the paraffin is added in an amount of from 1.5 wt% to 2.5 wt%.
  • the ball-to-material ratio between the cemented carbide sphere and the tungsten carbide powder and the cobalt powder is 3:1.
  • the agitating ball milling process for preparing a mixture of ultrafine cemented carbides of the present invention comprises: using ultrafine tungsten carbide powder and ultrafine cobalt powder; having a diameter of 46 mm and a cobalt content of 8 wt% Alloy ball, the positive and negative diameter deviation of the alloy ball is ⁇ 0.1mm; using alcohol as grinding medium, the amount is 600 800ml/Kg; adding 1. 5 ⁇ 1% 2.5 ⁇ 1% paraffin as molding agent; The ratio is 3:1; the speed of the stirring arm is 100 135 rpm; the ball milling time is 6 8h.
  • the diameter ⁇ of the alloy ball is 46 mm, which is relatively small, the specific surface of the grinding ball is larger than that of the conventional grinding rod, and the relative movement of the ball is increased as the speed of the agitator increases. Thereby, the grinding effect of the alloy ball on the powder is increased, the ball milling space of the mixture is greatly shortened, and the running noise of the device is small.
  • Example 1 An ultrafine (powder particle size of 0.3 ⁇ ) tungsten carbide (WC) powder and ultrafine cobalt powder (powder size ⁇ 1.00 ⁇ m) were used, and the powder ratio was 93 wt% WC ten 6 wt% Co + lwt% ( Cr 3 C 2 + VC) diameter of D4mm cemented carbide ball, alloy ball diameter deviation ⁇ 0.1 with alcohol as grinding medium, adding 750ml / Kg, adding 2.5 ⁇ % paraffin as a molding agent, ball The ratio is 3:1, the stirring arm rotates at 135 rpm, and the ball milling is 8 h.
  • WC tungsten carbide
  • VC ultrafine cobalt powder
  • Example 2 Ultrafine (powder particle size of 0.3 ⁇ ) tungsten carbide (WC) powder and ultrafine cobalt powder (powder size ⁇ 1 ⁇ 0 ⁇ ), the ratio of the powder was 91 wt% WC ten 8 wt% Co + lwt% ( Cr 3 C 2 + VC) diameter of D4mm cemented carbide ball, alloy ball diameter deviation ⁇ 0.1 with alcohol as grinding medium, adding 800ml / Kg, adding 2.5 ⁇ % paraffin as a molding agent, ball The ratio is 3:1, the rotation speed of the stirring arm is 130 rpm, and the ball milling process is 8 h.
  • Example 3 Ultrafine (powder size 0.6 ⁇ ) tungsten carbide (WC) powder and ultrafine cobalt powder (powder size ⁇ 1.00 ⁇ m), powder ratio of 93.5 wt% WC ten 6 wt% Co + 0.5 Wt% (Cr 3 C 2 + VC), carbide ⁇ 5 ⁇ diameter, alloy ball diameter deviation ⁇ 0.1 with alcohol as grinding medium, adding 700ml / Kg, adding 2.5 ⁇ % paraffin for molding The ball-to-material ratio was 3:1, the stirring arm was rotated at 130 rpm, and the ball milling was 7.0 h.
  • Example 4 Ultrafine (powder particle size of 0.8 ⁇ ) tungsten carbide (WC) powder and ultrafine cobalt powder (powder size ⁇ 1.0 ⁇ ), powder ratio of 89.5 wt% WC + 10 wt% Co + 0.5 wt% (Cr 3 C 2 + VC diameter D6mm carbide ball, alloy ball diameter soil deviation ⁇ 0.1 with alcohol for research Grinding medium, adding 650ml/Kg, adding 2.0%% paraffin as molding agent, the ratio of ball to material is 3:1, the rotation speed of the stirring arm is 110 rpm, and the ball milling process is 6h.
  • Example 5 Ultrafine (powder particle size of 0. 8 ⁇ ) tungsten carbide (WC) powder and ultrafine cobalt powder (powder size ⁇ 1 ⁇ 0 ⁇ ), the powder ratio of 91.5wt% WC ten 8wt %Co + 0.5wt% (Cr 3 C 2 + VC)
  • the diameter of the cemented carbide sphere with the diameter of ⁇ 5 ⁇ and the diameter of the alloy sphere is ⁇ 0.1, using alcohol as the grinding medium, adding 600ml/Kg, adding 2.0%% paraffin as the molding agent, the ratio of ball to material is 3: 1.
  • the stirring arm rotates at a speed of 100 rpm, and the ball mill is a 6-hour agitating ball milling process.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Crushing And Grinding (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

一种硬质合金混合料制备的球磨工艺，其特征在于，采用搅拌球磨工艺，在该工艺中，采用直径为4～6mm的硬质合金圆球，该合金球直径的正负偏差≤0.1mm；采用直径为0.3～0.8μm的碳化钨粉末和钴粉；用酒精作研磨介质；并且用石蜡作成型剂。该工艺具有球磨效率高、能耗低、大批量生产容易等特点，可广泛地应用于硬质合金混合料的制备。

Description

说明书 硬质合金混合料制备的球磨工艺
技术领域
技术领域
[1] 本发明涉及一种硬质合金混合料制备的球磨工艺， 特别是 WC - Co超细硬质合 金混合料制备的搅拌球磨工艺。
[2] 本专利说明书中的术语"超细碳化钨"是指粒度在 0.3〜0.8μηι之间的碳化钨粉末
， 而"超细钴粉"是指粒 < l.(^m的钴粉末。
背景技术
背景技术
[3] 硬质合金混合料的制备是硬质合金生产中的重要工序之一， 其目的在于将各种 碳化物和胶结金属的粉末配制成一定成分、 一定粒度的均匀混合物， 此工序质 量的好坏是决定硬质合金质量的一个重要方面。
[4] 目前， 国内在制备超细硬质合金混合料吋均釆用可倾式滚动球磨的生产工艺。
该工艺具有噪音大、 能耗大、 效率低等不足。
对发明的公开
发明内容
[5] 本发明的目的是提供一种硬质合金的混合料制备的球磨工艺， 其噪音小、 能耗 低、 效率高。
[6] 为达到上述目的， 本发明提供了一种硬质合金混合料制备的球磨工艺， 其特征 在于， 釆用搅拌球磨工艺， 在该工艺中， 釆用直径为 4〜6mm的硬质合金圆球， 该合金球直径的正负偏差≤0.1mm; 釆用直径为 0.3〜0.8μηι的碳化钨粉末和钴粉 ； 用酒精作研磨介质； 并且用石蜡作成型剂。
[7] 优选地， 搅拌臂的转速为 100〜135转 /分钟， 球磨吋间为 6〜8h。
[8] 优选地， 酒精的加量为 500〜800ml/Kg。
[9] 优选地， 石蜡的加量为 1.5 wt%〜2.5wt%。
[10] 优选地， 硬质合金圆球与碳化钨粉末和钴粉之间的球料比为 3:1。 [11] 特别是， 本发明的超细硬质合金的混合料制备搅拌球磨工艺包括： 釆用超细碳 化钨粉末和超细钴粉； 直径为 4 6mm、 含钴量为 8wt%的硬质合金圆球， 合金球 的直径正负偏差为≤0.1mm; 用酒精作研磨介质， 加量为 600 800ml/Kg; 加入 1. 5\¥1% 2.5\¥1%石蜡作成型剂； 球料比为 3:1 ; 搅拌臂的转速为 100 135转 /分钟 ； 球磨吋间为 6 8h的搅拌球磨工艺。
[12] 由于合金球的直径 Φ为 4 6mm， 比较小， 因而研磨球的比表面比传统的研磨 棒的比表面大， 且球磨吋随着搅拌器的转速提高， 合金球的相对运动加剧， 从 而增加了合金球对粉末的研磨效果， 大大地缩短了混合料的球磨吋间， 且设备 的运行噪音很小。
具体实施例
实施例 1 : 釆用超细 （粉末粒度为 0.3μηι) 碳化钨 （WC) 粉末和超细钴粉 （粉 末粒度 < 1·0μηι) ， 粉末的配比为 93wt%WC十 6wt%Co+ lwt% (Cr3C2 + VC) 直径为D4mm的硬质合金圆球、 合金球的直径土偏差为≤0.1 用酒精作研磨介 质， 加量为 750ml/Kg， 加入 2.5^%石蜡作成型剂， 球料比为 3:1， 搅拌臂的转速 为 135转 /分钟， 球磨吋间为 8h的搅拌球磨工艺。
实施例 2: 釆用超细 （粉末粒度为 0.3μηι) 碳化钨 （WC) 粉末和超细钴粉 （粉 末粒度 < 1·0μηι) ， 粉末的配比为 91wt%WC十 8wt%Co+ lwt% (Cr3C2 + VC) 直径为D4mm的硬质合金圆球、 合金球的直径土偏差为≤0.1 用酒精作研磨介 质， 加量为 800ml/Kg， 加入 2.5^%石蜡作成型剂， 球料比为 3:1， 搅拌臂的转速 为 130转 /分钟， 球磨吋间为 8h的搅拌球磨工艺。
实施例 3: 釆用超细 （粉末粒度为 0.6μηι) 碳化钨 （WC) 粉末和超细钴粉 （粉 末粒度 < 1·0μηι) ， 粉末的配比为 93.5wt%WC十 6wt%Co + 0.5wt% (Cr3C2 + VC) ， 直径为 Φ5ηιηι的硬质合金圆球、 合金球的直径土偏差为≤0.1 用酒精作研磨 介质， 加量为 700ml/Kg， 加入 2.5^%石蜡作成型剂， 球料比为 3:1， 搅拌臂的转 速为 130转 /分钟， 球磨吋间为 7.0h的搅拌球磨工艺。
实施例 4: 釆用超细 （粉末粒度为 0.8μηι) 碳化钨 （WC) 粉末和超细钴粉 （粉 末粒度 < 1.0μηι) ， 粉末的配比为 89.5wt%WC+ 10wt%Co + 0.5wt% (Cr3C2 + VC 直径为D6mm的硬质合金圆球、 合金球的直径土偏差为≤0.1 用酒精作研 磨介质， 加量为 650ml/Kg， 加入 2.0^%石蜡作成型剂， 球料比为 3:1， 搅拌臂的 转速为 110转 /分钟， 球磨吋间为 6h的搅拌球磨工艺。
[17] 实施例 5: 釆用超细 （粉末粒度为 0·8μηι) 碳化钨 （WC) 粉末和超细钴粉 （粉 末粒度 < 1·0μηι) ， 粉末的配比为 91.5wt%WC十 8wt%Co + 0.5wt% (Cr3C2 + VC)
， 直径为 Φ5ηιηι的硬质合金圆球、 合金球的直径土偏差为≤0.1皿， 用酒精作研磨 介质， 加量为 600ml/Kg， 加入 2.0^%石蜡作成型剂， 球料比为 3:1， 搅拌臂的转 速为 100转 /分钟， 球磨吋间为 6h的搅拌球磨工艺。
[18] 以上通过若干实施例对本发明进行了说明。 应该理解， 根据所公幵的内容， 本 领域的技术人员可以做成这样或那样的修改、 变化、 完善、 和 /或替换， 然而， 这样做都将落入所附权利要求书的保护范围之内。

Claims

权利要求书
一种硬质合金混合料制备的球磨工艺， 其特征在于， 釆用搅拌球 磨工艺， 在该工艺中， 釆用直径为 4〜6mm的硬质合金圆球， 该合 金球直径的正负偏差≤0.1mm; 釆用晶粒度为 0.3〜0.8μηι的碳化钨 粉末和晶粒度 < 1.0μηι的超细钴粉； 用酒精作研磨介质； 并且用石 蜡作成型剂。
如权利要求 1所述的硬质合金混合料制备的球磨工艺， 其特征在于 ， 搅拌臂的转速为 100〜135转 /分钟， 球磨吋间为 6〜8h。
如权利要求 1所述的硬质合金混合料制备的球磨工艺， 其特征在于 ， 酒精的加量为 500〜800ml/Kg。
如权利要求 1所述的硬质合金混合料制备的球磨工艺， 其特征在于 ， 石蜡的加量为 1.5 wt%〜2.5wt%。
如权利要求 1所述的硬质合金混合料制备的球磨工艺， 其特征在于 ， 硬质合金圆球与碳化钨粉末和钴粉之间的球料比为 3:1。
PCT/CN2009/076228 2009-01-16 2009-12-30 硬质合金混合料制备的球磨工艺 WO2010081377A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2009801546246A CN102202817B (zh) 2009-01-16 2009-12-30 硬质合金混合料制备的球磨工艺
JP2011545615A JP5409810B2 (ja) 2009-01-16 2009-12-30 硬質合金混合物調整のためのボールミリングプロセス
US13/144,699 US8584975B2 (en) 2009-01-16 2009-12-30 Ball milling process for preparing hard alloy mixture
AU2009337569A AU2009337569B2 (en) 2009-01-16 2009-12-30 Ball milling method for preparation of hard alloy mixture
EP09838164A EP2380684A1 (en) 2009-01-16 2009-12-30 Ball milling method for preparation of hard alloy mixture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2009100771408A CN101462163A (zh) 2009-01-16 2009-01-16 硬质合金混合料制备的球磨工艺
CN200910077140.8 2009-01-16

Publications (1)

Publication Number Publication Date
WO2010081377A1 true WO2010081377A1 (zh) 2010-07-22

Family

ID=40803085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/076228 WO2010081377A1 (zh) 2009-01-16 2009-12-30 硬质合金混合料制备的球磨工艺

Country Status (7)

Country Link
US (1) US8584975B2 (zh)
EP (1) EP2380684A1 (zh)
JP (1) JP5409810B2 (zh)
KR (1) KR101629990B1 (zh)
CN (2) CN101462163A (zh)
AU (1) AU2009337569B2 (zh)
WO (1) WO2010081377A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101921924A (zh) * 2010-09-06 2010-12-22 株洲肯特硬质合金有限公司 一种硬质合金混合料中掺入石蜡成型剂的方法
AU2009337569B2 (en) * 2009-01-16 2013-04-11 Jiangxi Rare Earth And Rare Metals Tungsten Group Corporation Ball milling method for preparation of hard alloy mixture

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857937B (zh) * 2009-04-08 2012-06-20 西峡县鑫龙保温材料有限公司 一种硅铝铁高压合金球及其加工工艺
CN102343438A (zh) * 2010-08-06 2012-02-08 浙江东钨实业有限公司 一种利用搅拌球磨工艺制取硬质合金混合料的方法
CN102534339A (zh) * 2012-01-06 2012-07-04 常州西利合金工具有限公司 用于生产立铣刀毛坯混合料的制备方法
CN102806346A (zh) * 2012-07-16 2012-12-05 株洲同一实业有限公司 一种硬质合金顶锤的成型方法
CN103212471A (zh) * 2012-11-27 2013-07-24 成都邦普合金材料有限公司 一种改进的球磨机冷却系统和冷却方法
CN103008666A (zh) * 2012-12-27 2013-04-03 遵义中铂硬质合金有限责任公司 硬质合金冷镦模生产工艺方法
CN106853522B (zh) * 2016-12-26 2019-04-30 南昌硬质合金有限责任公司 一种硬质合金挤压喂料的制备方法
CN107034407B (zh) * 2017-05-27 2018-07-13 遵义中铂硬质合金有限责任公司 一种硬质合金的生产方法
CN108188405B (zh) * 2017-12-21 2021-01-01 苏州新锐合金工具股份有限公司 一种提高硬质合金混合料球磨分散均匀性的方法
CN111421140A (zh) * 2020-03-06 2020-07-17 苏州新锐合金工具股份有限公司 提高硬质合金混合料喷雾粉粒子流动性的方法
CN113136540B (zh) * 2021-04-09 2022-09-02 贵州师范大学 一种钛合金纳米复合梯度强化层的制备方法
CN113134612B (zh) * 2021-04-12 2022-07-26 中南大学 一种制备超细高纯高固溶度钨基合金粉的方法
CN114147228B (zh) * 2021-11-03 2024-02-13 浙江恒成硬质合金有限公司 一种硬质合金顶锤混合料制备方法
CN114309624A (zh) * 2021-12-31 2022-04-12 株洲硬质合金集团有限公司 一种硬质合金混合料中加入石蜡成型剂的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1530456A (zh) * 2003-03-12 2004-09-22 中南大学 合成纳米晶钨钴硬质合金复合粉末的方法
CN1775973A (zh) * 2005-11-21 2006-05-24 株洲硬质合金集团有限公司 超细硬质合金的制备方法
CN101462163A (zh) * 2009-01-16 2009-06-24 江西稀有稀土金属钨业集团有限公司 硬质合金混合料制备的球磨工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558327A (en) * 1947-04-02 1951-06-26 Weston David Grinding ball for ball mills
US3008656A (en) * 1958-10-07 1961-11-14 Fred H Jowsey Grinding
JPS529630B1 (zh) * 1970-11-07 1977-03-17
JPH04131302A (ja) * 1990-09-21 1992-05-06 Sumitomo Electric Ind Ltd 硬質合金粉の製造方法
CN1158396C (zh) * 2002-12-19 2004-07-21 北京工业大学 钴锑合金热电材料的制备方法
CN1579680A (zh) * 2003-07-30 2005-02-16 北京有色金属研究总院 制备纳米级锆金属粉末的工艺方法
KR20060008046A (ko) * 2004-07-23 2006-01-26 한양대학교 산학협력단 나노크기의 금속분말 피드스톡 제조방법 및 이를 이용한소결체 제조방법
CN1278992C (zh) * 2005-06-15 2006-10-11 北京交通大学 机械活化低温合成碳化锡钛的方法
DE102006008115A1 (de) * 2006-02-20 2007-08-30 Siemens Ag Mahlwerkzeug mit einer Beschichtung
JP4602926B2 (ja) * 2006-03-20 2010-12-22 那須電機鉄工株式会社 合金粉末の製造方法
JP2009203544A (ja) * 2008-02-29 2009-09-10 Tokyo Institute Of Technology 硬質合金材料、製造方法、工具および耐摩耗部材
CN101444846B (zh) * 2008-11-21 2010-12-08 长沙有色冶金设计研究院 一种硬质合金混合料的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1530456A (zh) * 2003-03-12 2004-09-22 中南大学 合成纳米晶钨钴硬质合金复合粉末的方法
CN1775973A (zh) * 2005-11-21 2006-05-24 株洲硬质合金集团有限公司 超细硬质合金的制备方法
CN101462163A (zh) * 2009-01-16 2009-06-24 江西稀有稀土金属钨业集团有限公司 硬质合金混合料制备的球磨工艺

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANG Z.W. ET AL.: "Effect of cobalt powder morphology and grain size on low cobalt superfine hard-metals' properties.", POWDER METALLURGY INDUSTRY., vol. 18, no. 1, February 2008 (2008-02-01), pages 14 - 15 *
ZHANG F.L. ET AL.: "Nanostructured WC/Co composite powder prepared by high energy ball milling.", SCRIPTA MATERIALIA., vol. 49, 2003, pages 1123 - 1128, XP004455555 *
ZHANG F.L. ET AL.: "Parameters optimization in the planetary ball milling of anostructured tungsten carbide/cobalt powder.", INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS., vol. 26, 2008, pages 329 - 333, XP022664874 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009337569B2 (en) * 2009-01-16 2013-04-11 Jiangxi Rare Earth And Rare Metals Tungsten Group Corporation Ball milling method for preparation of hard alloy mixture
CN101921924A (zh) * 2010-09-06 2010-12-22 株洲肯特硬质合金有限公司 一种硬质合金混合料中掺入石蜡成型剂的方法
CN101921924B (zh) * 2010-09-06 2011-11-09 株洲肯特硬质合金有限公司 一种硬质合金混合料中掺入石蜡成型剂的方法

Also Published As

Publication number Publication date
CN101462163A (zh) 2009-06-24
US8584975B2 (en) 2013-11-19
CN102202817B (zh) 2012-11-07
AU2009337569B2 (en) 2013-04-11
JP5409810B2 (ja) 2014-02-05
AU2009337569A1 (en) 2011-07-28
EP2380684A1 (en) 2011-10-26
KR101629990B1 (ko) 2016-06-21
US20120018547A1 (en) 2012-01-26
JP2012515261A (ja) 2012-07-05
KR20110110176A (ko) 2011-10-06
CN102202817A (zh) 2011-09-28

Similar Documents

Publication Publication Date Title
WO2010081377A1 (zh) 硬质合金混合料制备的球磨工艺
CN107552802B (zh) 一种金属陶瓷用碳氮化钛基固溶体粉末及制备方法
CN103909274B (zh) 一种制备钴包覆纳米wc晶体复合粉末及超细晶硬质合金的方法
CN101121983B (zh) 粗晶粒硬质合金及其制备方法
CN104928512B (zh) 超粗晶钨钴硬质合金的制备方法
TW200909102A (en) Homogeneous granulated metal based and metal-ceramic based powders
JP5198121B2 (ja) 炭化タングステン粉末、炭化タングステン粉末の製造方法
CN108455614A (zh) 一种低温、短流程制备纳米wc粉末的方法
CN111187960A (zh) 一种双晶硬质合金及其制备方法
CN100507039C (zh) 不锈钢-TiC纳米复合粉料及其制备方法
CN112760540B (zh) 复合WC-CrC-CoCr热喷涂粉及其制备方法和应用
CN110343889A (zh) 一种特粗硬质合金及其制备方法
CN110616346B (zh) 基于有机金属框架的晶粒抑制剂制备超细硬质合金的方法
CN101665881A (zh) Pcb工具用超细硬质合金的制备方法
CN102251130A (zh) 一种超细晶粒硬质合金的制备方法
CN104131206B (zh) 碳氮化钛基硬质合金高速线材导轮材料及其制备方法
CN110616344B (zh) 采用纳米尺度晶粒抑制剂碳化钒制备超细硬质合金的方法
CN101338383A (zh) 一种高密度硬质合金的制备方法
CN101565176A (zh) 一种纳米TiN粉体的分散方法
CN102179512B (zh) 钴包纳米碳化钨硬质合金喷涂粉的制备方法
CN109881071A (zh) 一种低成本模用硬质合金材料及其制备方法
CN115044795A (zh) 一种纳米WC-Co硬质合金及其制备方法
CN112846170B (zh) 一种(Ti,W)C固溶体粉末及其制备方法
CN101181754B (zh) 一种WC/MgO纳米复合粉末的制备方法
CN112430770A (zh) 一种多尺度结构非均匀硬质合金及其制备方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980154624.6

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09838164

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2009838164

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2011545615

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2009337569

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 20117016199

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2009337569

Country of ref document: AU

Date of ref document: 20091230

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 13144699

Country of ref document: US