CN106222566B - A kind of superhard material products rare earth special adjusts water atomization Fe-Cu pre-alloyed powders and preparation method thereof - Google Patents
A kind of superhard material products rare earth special adjusts water atomization Fe-Cu pre-alloyed powders and preparation method thereof Download PDFInfo
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
- B22F2009/0828—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid with water
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0844—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid in controlled atmosphere
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Abstract
The present invention provides a kind of superhard material products rare earth specials to adjust water atomization Fe Cu pre-alloyed powders and preparation method thereof, this uses high-temperature liquid state melting and hydraulic atomized method, production prepares ultra-fine iron copper pre-alloyed powder, the consistent mechanical mixture of Fe Cu elementides is formed inside powder particle, based on Fe, it is aided with soft phase Cu, and adds the rare earth element of brittlement phase formation element P and crystal grain thinning（Ce、Y）, produce and prepare two bases constituent element Fe Cu pre-alloyed powders, can preferably meet the performance requirement of the superhard product of variety classes, element P can form Fe inside alloy powder particle3P、Cu2The hard ＆ brittles such as P point, Dispersed precipitate adjust the brittleness polishing machine of powder sintered tissue, are conducive to the sharpness of improvement tool；Rare earth element ce, Y can refine powder grain, improve the consistency and bending strength of powder sintered tissue, be conducive to the hold for improving sintering structure to diamond.
Description
Technical field
The present invention relates to metal material powder field of metallurgy, and in particular to a kind of superhard material products rare earth special adjusting water
It is atomized Fe-Cu pre-alloyed powders and preparation method thereof.
Background technology
Traditional superhard material products metallic bond is divided into elemental metals powder and pre-alloyed powder two major classes.Foreign countries' system
The elemental metals powder of product developed country mainly based on ultra-fine simple substance cobalt powder, is aided with fine grain carbonyl iron dust, carbonyl nickel
Powder and bronze powder；For pre-alloyed powder mainly based on the ultra-fine Fe-Cu-Co of chemical coprecipitation preparation, material cost is expensive.I
The metallic bond of the current superhard material products of state is still with the elemental metals powder such as Fe, Ni, Cu, Sn of traditional normal granulometry
Mechanical mixture application based on.Fe, Cu be two kinds of most powder of most basic, application percentage wherein, cheap iron powder application amount
Maximum, but its quality fluctuation is also maximum, is influenced on the quality of product maximum：There is impurity more, oxygen content height, size distribution
Many drawbacks such as difference is big, hold deficiency poor to the wetability of diamond, sharpness difference.Followed by electrolytic copper powder, there is
The problems such as coarse size, sintering structure are segregated, are insufficient to wetability and the hold of diamond.The above problem seriously restricts superhard
The stabilization of material product quality and promotion, there is an urgent need to change the conventional formulation design of elemental powders mixture application and prepare skill
Art.Address that need, our company invented it is being prepared in hydraulic atomized method, in Fe80Cu20-P (phosphorous) alloy system
The trace rare-earth elements such as middle addition Ce, Y（RE）The copper-based plinth pre-alloyed powder of iron of tissue adjusting is carried out, it is superhard to increase substantially
Material product is sintered the comprehensive mechanical performance of carcass, improves the sharpness and service life of product, meanwhile, it can also be greatly reduced
The dosage of the precious metal elements such as Cu, Sn, Co, Ni reduces production cost.
Invention content
In order to solve the deficiencies in the prior art, of the invention provides a kind of superhard material products rare earth special adjusting water mist
Change Fe-Cu pre-alloyed powders and preparation method thereof.
The technical solution that the present invention uses is：A kind of superhard material products rare earth special adjusting water atomization Fe-Cu is pre-
Alloy powder, including following components：：The rare earth member of P, 0.01-0.5% of Cu, 0.3-2% of Fe, 19.5-20.5% of 77-81%
Element.
The rare earth element is Ce and Y.
A kind of superhard material products rare earth special adjusts the preparation method of water atomization Fe-Cu pre-alloyed powders, including following
Step：Fe, Cu, CuP, Rare-Earth Ce and Y are added in stove successively, is powered and is melted and refine, it is de- with the mode that carbon dust is added
Oxygen pours into when adjustment superheat of liquid steel is 150 ~ 200 DEG C in tundish, after molten steel is by wrapping bottom leakage eye, by high pressure water attack
It is broken, powder is atomized under conditions of filled with nitrogen protection, the powder after atomization is dehydrated with vacuum filtration, is then charged into dry
It is 6 ~ 10 hours dry in dry case, it is then restored with hydrogen nitrogen mixed gas, powder after reduction is crossed into sieve and is sieved, screenings is packed into
It is sufficiently mixed in powder mixing machine.
The hydrogen nitrogen mixed gas reduction carries out in step-by-step movement pushes away boat reduction furnace.
The volume ratio that hydrogen accounts in the hydrogen nitrogen mixed gas is 75%.
The hydrogen nitrogen mixed gas reduction temperature is 600-680 DEG C,
It is 5 ~ 10kg/ boats that the step-by-step movement, which pushes away and pushes away boat amount in boat reduction furnace, and fltting speed is 5 ~ 10 minutes/boat.
The sieve is 325 mesh screens.
The beneficial effects of the invention are as follows：The present invention provides a kind of superhard material products rare earth specials to adjust water atomization Fe-
Cu pre-alloyed powders and preparation method thereof, the present invention use high-temperature liquid state melting and hydraulic atomized method, production to prepare ultra-fine
Iron copper pre-alloyed powder forms the consistent mechanical mixture of Fe-Cu elementides inside powder particle, breaks through in traditional sense
Solid solution alloy concept and form new product line.Based on Fe, it is aided with soft phase Cu, and adds brittlement phase formation element P
And the rare earth element of crystal grain thinning（Ce、Y）, production two bases constituent element Fe-Cu pre-alloyed powders of preparation, price is low, comprehensive performance
It is good, as universal basic pre-alloyed powder, it can preferably meet the performance requirement of the superhard product of variety classes, element P can be with
Fe is formed inside alloy powder particle3P、Cu2The hard ＆ brittles such as P point, Dispersed precipitate adjust the brittleness abrasion of powder sintered tissue
Performance is conducive to the sharpness of improvement tool；Rare earth element ce, Y can refine powder grain, improve the cause of powder sintered tissue
Density and bending strength are conducive to the hold for improving sintering structure to diamond.
Description of the drawings
Fig. 1 is typical case's FeCu20-P-RE pre-alloyed powder particles scanning electron microscope of the invention（SEM）Shape appearance figure.
Fig. 2, which is that typical case FeCu20-P-RE of the invention is powder sintered, organizes and its plates diamond SEM figures.
Specific implementation mode
Embodiment 1
The Medium frequency induction smelting furnace that 250kg heat size furnace lining materials are magnesia is produced using work, composition proportion is
78.7%Fe, 20%Cu, 1%P, 0.2%Ce, 0.1%Y.Raw material and weight such as the following table 1：
1 raw material of table and weight（Embodiment 1）
Fe, Cu, CuP, Rare-Earth Ce and Y are added in intermediate frequency furnace successively, is powered and is melted and refine, with addition carbon
The mode deoxidation of powder pours into when adjustment superheat of liquid steel is 150 ~ 200 DEG C in tundish, after molten steel is by wrapping bottom leakage eye, quilt
High pressure water smashes, and powder is melted into the atomization bucket intrinsic fog filled with nitrogen protection.The side of powder vacuum filtration after atomization
Formula is fully dehydrated, and is then charged into drying 6 ~ 10 hours in drying box, is then used hydrogen nitrogen mixed gas in step-by-step movement pushes away boat reduction furnace
（Hydrogen accounts for 75%）Reduction.Reduction temperature is set as 600 ~ 680 DEG C, 5 ~ 10kg/ boats, fltting speed is 5 ~ 10 minutes/boat.It will be also
Powder is sieved with equipped with 325 mesh screens after original, and screenings is fitted into powder mixing machine and is sufficiently mixed, and powder releases inspection
5kg/ vacuum packagings are pressed after survey.Final detection result such as table 2：
The performance of 2 final products of table（Embodiment 1）
Embodiment 2
The Medium frequency induction smelting furnace that 250kg heat size furnace lining materials are magnesia is produced using work, composition proportion is
78.1%Fe, 20%Cu, 1.5%P, 0.2%Ce, 0.2%Y.Raw material and weight such as the following table 3：
3 raw material of table and weight（Embodiment 2）
Fe, Cu, CuP, Rare-Earth Ce and Y are added in intermediate frequency furnace successively, is powered and is melted and refine, with addition carbon
The mode deoxidation of powder pours into when adjustment superheat of liquid steel is 150 ~ 200 DEG C in tundish, after molten steel is by wrapping bottom leakage eye, quilt
High pressure water smashes, and powder is melted into the atomization bucket intrinsic fog filled with nitrogen protection.The side of powder vacuum filtration after atomization
Formula is fully dehydrated, and is then charged into drying 6 ~ 10 hours in drying box, is then used hydrogen nitrogen mixed gas in step-by-step movement pushes away boat reduction furnace
（Hydrogen accounts for 75%）Reduction.Reduction temperature is set as 600 ~ 680 DEG C, 5 ~ 10kg/ boats, fltting speed is 5 ~ 10 minutes/boat.It will be also
Powder is sieved with equipped with 325 mesh screens after original, and screenings is fitted into powder mixing machine and is sufficiently mixed, and powder releases inspection
5kg/ vacuum packagings are pressed after survey.Final detection result such as table 4：
The performance of 4 final products of table（Embodiment 2）
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of superhard material products rare earth special adjusts water atomization Fe-Cu pre-alloyed powders, including following components：77-81%'s
The rare earth element of P, 0.01-0.5% of Cu, 0.3-2% of Fe, 19.5-20.5%, the rare earth element are Ce and Y, feature
It is, the pre-alloyed powder is prepared by following steps：Fe, Cu, CuP, Rare-Earth Ce and Y are added in stove successively, led to
Electrofusion simultaneously refines, and is poured into tundish when adjustment superheat of liquid steel is 150 ~ 200 DEG C with the mode deoxidation that carbon dust is added,
After molten steel is by wrapping bottom leakage eye, is smashed by high pressure water, powder is atomized under conditions of filled with nitrogen protection, after atomization
Powder is dehydrated with vacuum filtration, is then charged into drying 6 ~ 10 hours in drying box, is then restored with hydrogen nitrogen mixed gas, after reduction
Powder is crossed sieve and is sieved, and screenings is fitted into powder mixing machine and is sufficiently mixed.
2. a kind of superhard material products rare earth special according to claim 1 adjusts water atomization Fe-Cu pre-alloyed powders,
It is characterized in that, hydrogen nitrogen mixed gas reduction carries out in step-by-step movement pushes away boat reduction furnace.
3. a kind of superhard material products rare earth special according to claim 1 adjusts water atomization Fe-Cu pre-alloyed powders,
It is characterized in that, the volume ratio that hydrogen accounts in the hydrogen nitrogen mixed gas is 75%.
4. a kind of superhard material products rare earth special according to claim 1 adjusts water atomization Fe-Cu pre-alloyed powders,
It is characterized in that, the hydrogen nitrogen mixed gas reduction temperature is 600-680 DEG C.
5. a kind of superhard material products rare earth special according to claim 2 adjusts water atomization Fe-Cu pre-alloyed powders,
It is characterized in that, it is 5 ~ 10kg/ boats that the step-by-step movement, which pushes away and pushes away boat amount in boat reduction furnace, and fltting speed is 5 ~ 10 minutes/boat.
6. a kind of superhard material products rare earth special according to claim 1 adjusts water atomization Fe-Cu pre-alloyed powders,
It is characterized in that, the sieve is 325 mesh screens.
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| CN108637241A (en) * | 2018-05-15 | 2018-10-12 | 陕西凯恩宝德新材料有限公司 | A kind of mining industry survey acquisition tool alloy powder and preparation method thereof |
| CN110923497B (en) * | 2019-10-29 | 2021-03-16 | 福建工程学院 | Intermediate alloy for refining crystalline structure of copper and copper alloy, preparation method and application process thereof |
| CN111408728A (en) * | 2020-04-27 | 2020-07-14 | 广东萌达新新材料有限公司 | Preparation method of prealloy powder for diamond tool |
| CN111702667B (en) * | 2020-06-29 | 2022-04-08 | 秦皇岛市雅豪新材料科技有限公司 | Elastic diamond grinding block with 320-mesh fine metal binding agent and preparation method thereof |
| CN113500198B (en) * | 2021-07-08 | 2023-07-25 | 河南黄河旋风股份有限公司 | Preparation method of high zinc alloy powder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488006A (en) * | 2001-01-24 | 2004-04-07 | ����-�ɹŶ��ս��Ʒ����˾ | Sintered ferrous material containing copper |
| CN1986116A (en) * | 2005-12-19 | 2007-06-27 | 北京有色金属研究总院 | RE-containing prealloy powder |
| CN102554216A (en) * | 2012-02-07 | 2012-07-11 | 建德市易通金属粉材有限公司 | Water atomization ferrum-copper alloy powder and manufacturing method |
| CN103658668A (en) * | 2013-12-06 | 2014-03-26 | 湖北鄂信钻石材料有限责任公司 | Method for preparing iron-based prealloy powder |
| CN105039824A (en) * | 2015-06-25 | 2015-11-11 | 安泰科技股份有限公司 | Circular diamond saw blade bit and manufacturing method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6679932B2 (en) * | 2001-05-08 | 2004-01-20 | Federal-Mogul World Wide, Inc. | High machinability iron base sintered alloy for valve seat inserts |
| CN101516549A (en) * | 2006-07-21 | 2009-08-26 | 霍加纳斯公司（Publ） | Iron-based powder |
-
2016
- 2016-08-23 CN CN201610701319.6A patent/CN106222566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488006A (en) * | 2001-01-24 | 2004-04-07 | ����-�ɹŶ��ս��Ʒ����˾ | Sintered ferrous material containing copper |
| CN1986116A (en) * | 2005-12-19 | 2007-06-27 | 北京有色金属研究总院 | RE-containing prealloy powder |
| CN102554216A (en) * | 2012-02-07 | 2012-07-11 | 建德市易通金属粉材有限公司 | Water atomization ferrum-copper alloy powder and manufacturing method |
| CN103658668A (en) * | 2013-12-06 | 2014-03-26 | 湖北鄂信钻石材料有限责任公司 | Method for preparing iron-based prealloy powder |
| CN105039824A (en) * | 2015-06-25 | 2015-11-11 | 安泰科技股份有限公司 | Circular diamond saw blade bit and manufacturing method thereof |
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Denomination of invention: A special rare earth regulated water atomized Fe Cu prealloy powder for superhard materials and its preparation method Effective date of registration: 20221027 Granted publication date: 20181009 Pledgee: Changjiang Technology sub branch of Qinhuangdao Bank Co.,Ltd. Pledgor: YAHAO MATERIALS & TECHNOLOGY CO.,LTD. Registration number: Y2022980019845 |