CN108179366A - A kind of production method of the alloy amorphous state powder of Ni - Google Patents
A kind of production method of the alloy amorphous state powder of Ni Download PDFInfo
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- CN108179366A CN108179366A CN201711466579.0A CN201711466579A CN108179366A CN 108179366 A CN108179366 A CN 108179366A CN 201711466579 A CN201711466579 A CN 201711466579A CN 108179366 A CN108179366 A CN 108179366A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
-
- 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
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
-
- 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
Abstract
A kind of production method of the alloy amorphous state powder of Ni, the ingredient of powder is 3 18 wt% of Ni 53 82 wt%, Co 5 25 wt%, Fe 5 20 wt%, P;Its powder is amorphous structure.Technological principle prepares amorphous powder for plating+stripping+broken;It is characterized by comprising the following steps:(1)Metal substrate selects and is plated surface derusting, ungrease treatment;(2)The alloy amorphous state coating of Ni is prepared using electro-plating method, anode uses graphite cake or stainless steel plate, and the current density of electrode is 0.05 0.5 A/mm2, titrating makes plating solution Ph values be less than 3, and plating temperature is 40 90 DEG C;(3)Amorphous alloy coating is made to come off from metallic substrate surfaces using the methods of rolling, bending, shot-peening;(4)The amorphous alloy coating to come off is crushed using modes such as ball mill, particle breakers;(5)It is sieved into the alloy amorphous state powder of Ni of different thicknesses.
Description
Technical field
The present invention relates to a kind of amorphous powdered alloy, more particularly, to a kind of production method of the alloy amorphous state powder of Ni.
Background technology
With the development of electron electric power, communication industry, electronic component is sent out to miniaturization, high frequency and high current direction
Exhibition, and the requirement to the Electro Magnetic Compatibility of electronic equipment is also higher and higher, traditional amorphous band iron core, soft magnet
Oxysome
And metal magnetic powder core etc. has been unable to meet demand.Common magnetic material performance deficiency is mainly manifested in:(1) amorphous band
Iron core inductive loop in high-frequency work causes loss very big, limits its application in high frequency field;(2) soft magnetic ferrite is high
Frequency is lost low, but saturation induction density and magnetic conductivity are low, it is impossible to meet the growth requirement of miniaturization and high current;(3) it is golden
Belong to powder core there is the problems such as high-frequency loss is high, DC superposition characteristic is poor or expensive, limit its scope of application.It is non-
Structure of the crystal structure with longrange disorder, shortrange order, makes powder have many unique performances.Amorphous Magnaglo is due to it
Excellent soft magnet performance can meet various electronic component stabilisations, miniaturization, high frequency, high current, high-power need
It asks, the development of the hi-tech industries such as automobile, electronics, aerospace field can be greatly facilitated.And cobalt base amorphous alloy powder removes
With excellent magnetic property, also with the performances such as high temperature resistant, resistance to exhaust gas corrosion, wear-resisting, anti-corrosion, closed in electronics, coating and hard
It is used widely in gold.
Up to the present, the preparation process of amorphous powdered alloy mainly has water fog method, aeroponics and using amorphous thin ribbon
The technique for crushing powder processed.Water fog method has big cooldown rate, can meet the requirement for preparing amorphous powder.However, in water mist
During change, the powder obtained easily forms oxide, and oxygen content is high, furthermore upon solidification of the molten metal, the vapor of generation
The surface of molten metal can be covered in, the presence of the vapor film reduces the core metal intensity of cooling for leading to melting, so as to
Prevent the problem of powder central part is from obtaining amorphous structure, influence device performance.Aeroponics are since intensity of cooling is limited, only
The strong amorphous powdered alloy of amorphous formation ability can be prepared, and production cost is high.The advantages of direct crush method, is to material
Selectivity is not strong, and stock utilization is high, but brittle annealing need to be carried out to amorphous thin ribbon, it is easy to since annealing unevenness causes strip
Internal crystallization change it is uneven, and the powder particle with acute angle is easily generated after broken, is the following process of powder
Bring difficulty.
And compared with liquisol quenching method, sputtering method prepare amorphous alloy material, galvanoplastic are more economical, and application range is also more
It is wide.The formation of Resisting Property of Brush Electroplating Coating plating of inherently making peace is identical, is all the metal ion in solution in cathode(Workpiece)
The process of upper electric discharge crystallization.But compared with plating, plated pen and workpiece have relative motion in Brush Plating, thus plated surface is not
It is whole that metal ion reduction crystallization, the knot but plated surface each point sparks when plated pen is in contact with it occur simultaneously
It is brilliant.Therefore, electroplating technology has its unique distinction in process aspect, and feature can be summarized as follows:
1st, equipment is simple, simple for process, and operation is flexible;
2nd, expense is low, and economic benefit is big;
3rd, the controllable range of powder metallurgy component ratio is big.
Invention content
In view of the above-mentioned problems, the present invention is based on the principle of plating+stripping+broken, a kind of alloy amorphous state powder of Ni is provided
The production method at end.
The ingredient of the alloy amorphous state powder of Ni of the present invention is Ni 53-82 wt %, Co 5-25 wt%, Fe 5-20
Wt%, P 3-18 wt%;Its powder is amorphous structure.
A kind of production method of the alloy amorphous state powder of Ni of the present invention.Include the following steps:
(1)Metal substrate selects and is plated the processing on surface:The elongation percentage at normal temperatures of metal substrate is not less than 10%, is plated
Mechanically or chemically derusting, degreasing can be used in surface;
(2)The composition of electroplate liquid:Nickel sulfate or nickel chloride 1-4 mol/L(It is preferred that 1.5-2.5 mol/L), cobaltous sulfate or cobalt chloride
0.2-1.5 mol/L, ferrous sulfate or frerrous chloride 0.2-1.2 mol/L, phosphorous acid 0.1-0.6 mol/L, phosphoric acid 0.5-1.5
Mol/L, additive 1-8g/L, soluble sulphate or chlorate 10-50 g/L, reducing agent 1-8g/L, excess water;
Above-mentioned additive is tartaric acid and the mixture of neopelex;
4 kinds of salt using identical anionic, that is, are soluble sulphate or chlorate in above-mentioned electroplate liquid;
Above-mentioned reducing agent is water-soluble;
(3)The alloy amorphous state coating of Ni is prepared using electro-plating method, anode uses graphite cake or stainless steel plate, and the electric current of electrode is close
It spends for 0.05-0.5 A/mm2, titrating hydrochloric acid or sulfuric acid solution makes plating solution Ph values be less than 3, and plating temperature is 40-90 DEG C;
(4)Amorphous alloy coating is made to come off from metallic substrate surfaces using the methods of rolling, bending, shot-peening;
(5)Amorphous Alloy Grain crushes, and the amorphous alloy coating to come off is broken using modes such as ball mill, particle breakers
It is broken.When broken, ball mill, particle breaker should use and force the type of cooling or interval work mode, to prevent non-crystaline amorphous metal
Grain generates larger Wen Sheng, generation crystallization change when broken;
(6)It is sieved into the alloy amorphous state powder of Ni of different thicknesses.
Compared with prior art, the present invention has the following advantages:
1. compared with aeroponics and direct crush method, this technique has equipment investment few, simple for process, and energy is formed to non-crystaline amorphous metal
The features such as power is of less demanding;
2. compared with water fog method, powder will not lead to the problem of oxidation and partial amorphization;
3. compared with direct crush method, due to depositing under the conditions of using pH value smaller, cause to produce larger planted agent in coating
Power and compared with concrete dynamic modulus, coating is i.e. tear-away with broken without embrittlement annealing, and will not generate the powder particle with acute angle;
4. compared with preparing galvanization coating, the present invention does not require coating stress and surface quality, therefore bigger can be used
Current density had both improved the preparation speed of amorphous alloy coating, was also beneficial to obtain more loose and with bigger internal stress
Amorphous alloy coating removes amorphous alloy coating and is come off so as to be more easy to;
6. compared with chilling method prepares amorphous powdered alloy, the present invention need not consider the amorphous formation ability of material, can pass through tune
The concentration proportioning of whole each main component of electroplate liquid can obtain the amorphous powdered alloy of different constituent elements compositions and ratio, therefore, we
The applicability of method is more extensive, and operability is stronger, can meet requirement of the different occasions to amorphous powdered alloy performance.
Specific embodiment
The invention will be further described with reference to embodiments.
The preparation of 1 Ni56Co21 Fe15P8 amorphous powdered alloys of embodiment
Preparation process includes the following steps:
(1)The pretreatment of metallic substrate surfaces:Metal substrate selects 08F steel plates, and it is molten through sodium hydroxide respectively to be plated substrate surface
Liquid and hydrochloric acid solution cleaning, to remove grease and oxidation;
(2)Electroplate liquid forms:1.6 mol/L of nickel chloride, 0.6 mol/L of phosphoric acid, 0.5 mol/L of cobalt chloride, frerrous chloride 0.4
Mol/L, phosphorous acid 0.25mol/L, 1.5 g/L of additive, 15 g/L of soluble chlorine salt dissolving, 1.5 g/L of reducing agent, excess water;
Above-mentioned additive is tartaric acid and lauryl sodium sulfate mass ratio is 1:1 mixture;
Above-mentioned soluble chlorine salt dissolving is potassium chloride;
Above-mentioned reducing agent is ascorbic acid;
(3)The preparation of amorphous alloy coating:Pretreated metallic plate accesses cathode, and anode uses graphite cake, stirs electroplate liquid,
The current density of electrode is 0.05 A/mm2, plating temperature is 65 DEG C, and titration hydrochloric acid makes electroplate liquid Ph values be 1;
(4)Amorphous alloy coating is removed using bending method, bending radius is 0.2 m;
(5)Amorphous Alloy Grain crushes, and Amorphous Alloy Grain is crushed under protection of argon gas using planetary ball mill, ball milling
2h, ratio of grinding media to material 5:1, ball milling method uses interval work mode, and ball mill avoids non-crystalline flour per ball milling 3min, rest 10min
End generates larger Wen Sheng;
(6)It is sieved into the Ni56Co21 Fe15P8 amorphous powdered alloys of different thicknesses.
The preparation of 2 Ni 66Co17Fe10P7 amorphous powdered alloys of embodiment
Preparation process includes the following steps:
(1)The pretreatment of metallic substrate surfaces:Metal substrate selects brass sheet, and plate thickness 1mm is plated substrate surface respectively through hydrogen
Sodium hydroxide solution and hydrochloric acid solution cleaning, to remove grease and oxidation;
(2)Electroplate liquid forms:1.8 mol/L of nickel sulfate, 0.7 mol/L of phosphoric acid, 0.45 mol/L of cobaltous sulfate, ferrous sulfate
0.35mol/L, phosphorous acid 0.3mol/L, additive 3g/L, 20 g/L of soluble sulphate, 3 g/L of reducing agent, excess water;
Above-mentioned additive is tartaric acid and neopelex mass ratio is 1:2 mixture;
Above-mentioned soluble chlorine salt dissolving is sodium sulphate;
Above-mentioned reducing agent is potassium iodide;
(3)The preparation of amorphous alloy coating:Pretreated plating piece accesses cathode, and anode uses graphite cake, stirs electroplate liquid, electricity
The current density of pole is 0.1 A/mm2, plating temperature is 75 DEG C, and titration hydrochloric acid makes electroplate liquid Ph values be 2;
(4)Amorphous alloy coating is removed using rolling reductions method, rolling reduction ratio is 8%;
(5)Amorphous Alloy Grain crushes, and using planetary ball mill crusher machine, Amorphous Alloy Grain is broken in argon gas protection, ball milling
3h, ratio of grinding media to material 5:1, ball milling method uses interval work mode, and ball mill avoids non-crystalline flour per ball milling 3min, rest 10min
End generates larger Wen Sheng;
(6)It is sieved into the Ni 66Co17Fe10P7 amorphous powdered alloys of different thicknesses.
Claims (5)
1. a kind of production method of the alloy amorphous state powder of Ni, the ingredient of powder is Ni 53-82 wt %, Co 5-25 wt%, Fe
5-20 wt%, P 3-18 wt%;Its powder is amorphous structure.
2. a kind of production method of the alloy amorphous state powder of Ni, technological principle prepares amorphous powder for plating+stripping+broken;
It is characterized by comprising the following steps:
(1)Metal substrate selects and is plated the processing on surface:The elongation percentage at normal temperatures of metal substrate is not less than 10%, is plated
Mechanically or chemically derusting, degreasing can be used in surface;
(2)The composition of electroplate liquid:Nickel sulfate or nickel chloride 1-4 mol/L(It is preferred that 1.5-2.5 mol/L), cobaltous sulfate or cobalt chloride
0.2-1.5 mol/L, ferrous sulfate or frerrous chloride 0.2-1.2 mol/L, phosphorous acid 0.1-0.6 mol/L, phosphoric acid 0.5-1.5
Mol/L, additive 1-8g/L, soluble sulphate or chlorate 10-50 g/L, reducing agent 1-8g/L, excess water;
(3)The alloy amorphous state coating of Ni is prepared using electro-plating method, anode uses graphite cake or stainless steel plate, and the electric current of electrode is close
It spends for 0.05-0.5 A/mm2, titrating hydrochloric acid or sulfuric acid solution makes plating solution Ph values be less than 3, and plating temperature is 40-90 DEG C;
(4)Amorphous alloy coating is made to come off from metallic substrate surfaces using the methods of rolling, bending, shot-peening;
(5)The amorphous alloy coating to come off is crushed using modes such as ball mill, particle breakers;When broken, ball mill,
Grain crusher should use and force the type of cooling or interval work mode;
(6)It is sieved into the alloy amorphous state powder of Ni of different thicknesses.
3. additive described in claim 2 is tartaric acid and the mixture of neopelex.
4. 4 kinds of salt using identical anionic, that is, are soluble sulphate or chlorate in electroplate liquid described in claim 2.
5. reducing agent described in claim 2 is water-soluble.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1354274A (en) * | 2000-11-22 | 2002-06-19 | 中国科学院金属研究所 | Nickel base amorphous alloy |
CN101532153A (en) * | 2009-03-13 | 2009-09-16 | 甘军 | Amorphous nano-alloy plating layer of electrodeposition nickel-based series, electroplating liquid and electroplating process |
CN106381510A (en) * | 2016-12-06 | 2017-02-08 | 刘志红 | Preparing technology of Ni-Fe-P alloy-based compound coating |
CN106893953A (en) * | 2017-03-21 | 2017-06-27 | 长沙理工大学 | A kind of cobalt base amorphous alloy powder and production method |
CN106893954A (en) * | 2017-03-21 | 2017-06-27 | 长沙理工大学 | A kind of Co based amorphous alloy powders and its preparation technology |
-
2017
- 2017-12-28 CN CN201711466579.0A patent/CN108179366A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1354274A (en) * | 2000-11-22 | 2002-06-19 | 中国科学院金属研究所 | Nickel base amorphous alloy |
CN101532153A (en) * | 2009-03-13 | 2009-09-16 | 甘军 | Amorphous nano-alloy plating layer of electrodeposition nickel-based series, electroplating liquid and electroplating process |
CN106381510A (en) * | 2016-12-06 | 2017-02-08 | 刘志红 | Preparing technology of Ni-Fe-P alloy-based compound coating |
CN106893953A (en) * | 2017-03-21 | 2017-06-27 | 长沙理工大学 | A kind of cobalt base amorphous alloy powder and production method |
CN106893954A (en) * | 2017-03-21 | 2017-06-27 | 长沙理工大学 | A kind of Co based amorphous alloy powders and its preparation technology |
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Application publication date: 20180619 |