[go: up one dir, main page]

CN108950529A - A kind of tungsten carbide-copper-nickle composite powder preparation method - Google Patents

A kind of tungsten carbide-copper-nickle composite powder preparation method Download PDF

Info

Publication number
CN108950529A
CN108950529A CN201810927085.6A CN201810927085A CN108950529A CN 108950529 A CN108950529 A CN 108950529A CN 201810927085 A CN201810927085 A CN 201810927085A CN 108950529 A CN108950529 A CN 108950529A
Authority
CN
China
Prior art keywords
copper
tungsten carbide
composite powder
powder
nickle
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.)
Pending
Application number
CN201810927085.6A
Other languages
Chinese (zh)
Inventor
杨茂峰
林庆仁
焦怡铭
王玉钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810927085.6A priority Critical patent/CN108950529A/en
Publication of CN108950529A publication Critical patent/CN108950529A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/38Coating with copper
    • C23C18/40Coating with copper using reducing agents
    • C23C18/405Formaldehyde
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17Metallic particles coated with metal
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1635Composition of the substrate
    • C23C18/1639Substrates other than metallic, e.g. inorganic or organic or non-conductive
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/1851Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
    • C23C18/1872Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
    • C23C18/1875Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
    • C23C18/1882Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/32Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Chemically Coating (AREA)
  • Powder Metallurgy (AREA)

Abstract

The present invention relates to a kind of tungsten carbide-copper-nickle composite powder preparation methods, including tungsten-carbide powder is placed in electrochemical deoiling agent and impregnates oil removing, and then by tungsten carbide powder after overactivation, clear water is rinsed, and it is spare to be placed in a vacuum drying oven heat preservation 8h.Processed tungsten carbide powder is put into carry out copper facing, after pH adjusting agent, reducing agent solution are added in the copper plating bath containing tungsten carbide powder, keep 50~60 DEG C of constant temperature, stir 30~40min, cleaning be centrifugated be made tungsten carbide-copper composite powders;The powder is subjected to nickel plating, under the conditions of 85~90 DEG C, constant temperature stirs 10~30min, and tungsten carbide-copper-nickle composite powder is made;Resulting tungsten carbide-copper-the nickle composite powder of the present invention is a kind of multi-functional powder body material with core-shell structure, have the characteristics that coating is smooth and uniformity is good, coating is tightly combined, purity is high, it can be carried out large-scale production, can be widely applied to the fields such as cold spraying, powder metallurgy, machinery, space flight and military project.

Description

A kind of tungsten carbide-copper-nickle composite powder preparation method
Technical field
The present invention relates to a kind of preparation method of composite granule more particularly to a kind of tungsten carbide-copper-nickle composite powder systems Preparation Method belongs to chemical surface treatment technical field.
Background technique
Tungsten carbide composite powder is to prepare hard alloy, the reinforcing of wear-and corrosion-resistant thermal spraying on surface, metal rapid shaping, surface patch The key raw material of the new structural materials such as dress, has been widely used the miniature drill in difficult processing metal cutter, electronics industry The fields such as head, precision die, medicine.
Cold spraying is got the attention in recent years as a kind of new coat preparing technology, since it avoids thermal spraying Some disadvantages, the coating of preparation is fine and close, and porosity is low, and in addition coating oxidation object content is low, hardness is high, and thermal stress is small, coating Hardly change the institutional framework of powder particle, therefore is suitble to prepare nano coating and composite coating.The preparation gold of cold spraying at present Belong in ceramic composite coating, it is ideal with the coating abrasion resistant effect that tungsten carbide powder is added.Tungsten carbide requirement for spraying Partial size is in a few to tens of microns, and the mobility of single superfine tungsten carbide is very poor, it is difficult to meet the needs of spraying process.
Its particle size can then be increased using wolfram carbine composite powder, substantially improve mobility, and be able to maintain tungsten carbide Binding force between the geometry and crystal structure and coating and matrix of particle, to obtain high performance coating.Carbonization Tungsten composite powder preparation method mainly has mechanical alloying method, sol-gel method, spray drying process, electroless plating method etc..
Machine-alloying has technique flexibly simple, is not necessarily to hot environment, low energy consumption, and yield is big, and the composite powder worn into is equal It is even tiny, but repeatedly grinding will increase the iron content in composite powder for a long time, and this will affect the conductive hot property of composite granule. The advantages such as sol-gel method has reaction temperature low, and reaction controllability is high, and out-phase side reaction is few, the powder prepared have pure Degree is high, the advantages such as chemical uniformity is good, and structure is single tiny, and heat treatment temperature is low.But there are long preparation period, costs for the technique The problems such as height, volume production is difficult.Spray drying process each process is easily controllable, and the oxide precursor after dry nebulization is generally in ball Shape ghost shape, product impurity is low, is suitble to large-scale industrial production, but process is more, and energy consumption is high.
Summary of the invention
The present invention is for the existing machine-alloying for preparing carbonization tungsten composite powder, sol-gel method, spray drying process Existing deficiency provides a kind of preparation method of tungsten composite powder that is carbonized.
The technical scheme to solve the above technical problems is that
A kind of preparation method for the tungsten composite powder that is carbonized, includes the following steps:
1) tungsten carbide powder is placed in degreaser and impregnates oil removing, rinsed after taking-up using deionized water;
2) the resulting tungsten carbide powder of step 1) is placed in activator and is activated, then rinsed using deionized water, vacuum is dry Dry 8h;
3) the resulting tungsten carbide powder of step 2 is placed in copper plating solution, is stirred, while controlled at 60 DEG C, pH is added and adjusts Agent, control pH are 11~13, and reducing agent solution is then added, continues to stir, reacts 30~40min, until copper plating bath after reaction It is colourless, the obtained tungsten carbide-copper composite powders of centrifuge separation;
4) by the resulting composite granule of step 3), it is placed in nickel plating in nickel plating solution, is stirred, 85~90 DEG C of constant temperature, reaction 10~ Tungsten carbide-copper-nickle composite powder that nickel content is 5~20wt% is made in 30min;
5) the resulting tungsten carbide-copper of step 4)-nickle composite powder is washed, it is rear to be centrifugated;Vacuum drying to get.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the sulfuric acid solution that activator described in step 2 is 10%.
Further, PH regulator described in step 3) is one of sodium hydroxide, ammonium hydroxide or mixture;Described goes back Former agent is formalin.Centrifugal speed is 3000 ~ 5000r/min;The copper plating solution is by soluble copper salt and copper ion network The mixed aqueous solution that mixture is formed, the mass ratio for controlling copper and tungsten carbide is 0.10~0.20.
Further, nickel plating solution described in step 4) is acidic nickel plating solution, and pH value is 4~5, and nickel plating solution is by sulfuric acid The mixed aqueous solution that nickel and nickel ion complexing agent, reducing agent are formed, the mass ratio for controlling nickel and tungsten carbide is 0.05~0.15.
Further, copper ion complexing agent described in step 2 be EDTA, any one in trisodium citrate, it is described can Dissolubility mantoquita refers to copper nitrate, copper sulphate, any one in copper chloride.
Further, the mass ratio of soluble copper salt described in step 2) and copper ion complexing agent is 1:1~2.5.
Further, nickel ion complexing agent is one or both of trisodium citrate, citric acid, lactic acid mixture;Reduction Agent is sodium hypophosphite, a kind of in Boratex.
Further, the mass ratio of tungsten carbide powder and the reducing agent is 1~20:1.
Further, step 2, vacuum drying temperature is 80~100 DEG C in step 5).
The beneficial effects of the present invention are:
1) method provided by the invention uses electronation technology, and the pre-treating technology of tungsten-carbide powder impregnates skill using activator Roughening, the sensitization, activating technology that art replaces traditional non-metal material surface metallization to use, are matched using novel complexing agent Side directly in the success copper facing of tungsten-carbide powder surface, and forms the smooth layers of copper of continuous dense uniform, uses chemical plating later Nickel, process costs are low, it is easy to accomplish large-scale production;
2) the resulting carbonization tungsten composite powder of the method for the present invention have plating copper and nickel it is smooth and uniformity is good, coating is tightly combined, The features such as with high purity, and can be carried out large-scale production, can be widely applied in difficult processing metal cutter, electronics industry The fields such as microbit, precision die, medicine.
Detailed description of the invention
Fig. 1 is activated treated the stereoscan photograph of 1 gained tungsten carbide of the embodiment of the present invention;
Fig. 2 is the stereoscan photograph after 1 gained tungsten carbide copper facing of the embodiment of the present invention;
Fig. 3 is the stereoscan photograph after 1 gained tungsten carbide copper facing of the embodiment of the present invention again nickel plating.
Specific embodiment
Principles and features of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
Embodiment 1:
A kind of preparation method for the tungsten composite powder that is carbonized, includes the following steps:
1) take tungsten carbide powder 1kg to be added in the sulfuric acid of the activator 10% of 500ml and impregnate and stir 1h, after taking-up using go from Sub- water rinses;
2) then the tungsten carbide powder after activation is added in the copper plating bath that volume is 10L, the content of each substance in copper plating bath are as follows: Copper sulphate 10g/L, EDTA 14g/L, using ammonium hydroxide adjust copper plating bath pH be 11.8, then heat temperature raising and controlled at 60 DEG C, formaldehyde 20ml is added under constant agitation, continues to stir 10min, until blue solution becomes colorless solution, Then it is rinsed using deionized water, and copper-plated tungsten carbide powder is isolated using centrifuge;
3) under agitation, by tungsten carbide copper powder be added to nickel plating solution (nickel sulfate 25g/L, trisodium citrate 15 g/L, it is secondary 25 g/L of sodium phosphite) in, 85 DEG C of temperature are controlled, 5% tungsten carbide of nickel content-copper-nickel composite powder is made in reaction time 10min Body;
4) the resulting composite granule of step 3) is centrifugated, is placed at 80 DEG C and is dried in vacuo to get finished product.
Embodiment 2:
A kind of preparation method for the tungsten composite powder that is carbonized, includes the following steps:
1) take tungsten carbide powder 1kg to be added in the sulfuric acid of the activator 10% of 500ml and impregnate and stir 1h, after taking-up using go from Sub- water rinses;
2) then the tungsten carbide powder after activation is added in the copper plating bath that volume is 20L, the content of each substance in copper plating bath are as follows: Copper nitrate 15g/L, trisodium citrate 10g/L are 12.5 using the pH that sodium hydroxide adjusts copper plating bath, then heat temperature raising and control Temperature processed is 60 DEG C, and formaldehyde 20ml is added under constant agitation, continues to stir 20min, until blue solution becomes colorless It until solution, is then rinsed using deionized water, and copper-plated tungsten carbide powder is isolated using centrifuge;
3) tungsten carbide copper powder under agitation, is added to nickel plating solution (nickel sulfate 30g/L, 8 g/L of citric acid, secondary phosphorous Sour 15 g/L of sodium) in, 85 DEG C of temperature are controlled, 10% tungsten carbide of nickel content-copper-nickle composite powder is made in reaction time 15min;
4) the resulting composite granule of step 3) is centrifugated, is placed at 80 DEG C and is dried in vacuo to get finished product.
Embodiment 3:
A kind of preparation method for the tungsten composite powder that is carbonized, includes the following steps:
1) take tungsten carbide powder 1kg to be added in the sulfuric acid of the activator 10% of 300ml and impregnate and stir 1h, after taking-up using go from Sub- water rinses;
2) then the tungsten carbide powder after activation is added in the copper plating bath that volume is 15L, the content of each substance in copper plating bath are as follows: Copper chloride 5g/L, copper sulphate 8g/L, trisodium citrate 10g/L are 13 using the pH that sodium hydroxide adjusts copper plating bath, then heat It heats up and controlled at 60 DEG C, formaldehyde 25ml is added under constant agitation, continues to stir 10min, until blue solution It becomes colorless until solution, is then rinsed using deionized water, and copper-plated tungsten carbide powder is isolated using centrifuge;
3) tungsten carbide copper powder under agitation, is added to nickel plating solution (nickel sulfate 25g/L, lactic acid 20ml/L, ortho phosphorous acid Sodium 20g/L) in, 90 DEG C of temperature are controlled, 15% tungsten carbide of nickel content-copper-nickle composite powder is made in reaction time 15min;
4) the resulting composite granule of step 3) is centrifugated, is placed at 80 DEG C and is dried in vacuo to get finished product.
Embodiment 4:
A kind of preparation method for the tungsten composite powder that is carbonized, includes the following steps:
1) take tungsten carbide powder 1kg to be added in the sulfuric acid of the activator 10% of 300ml and impregnate and stir 1h, after taking-up using go from Sub- water rinses;
2) then the tungsten carbide powder after activation is added in the copper plating bath that volume is 10L, the content of each substance in copper plating bath are as follows: Copper nitrate 10g/L, copper sulphate 8g/L, trisodium citrate 10g/L are 11.5 using the pH that sodium hydroxide adjusts copper plating bath, then Formaldehyde 18ml is added in heat temperature raising and controlled at 60 DEG C under constant agitation, continues to stir 15min, until blue Solution becomes colorless until solution, is then rinsed using deionized water, and isolates copper-plated tungsten carbide powder using centrifuge;
3) tungsten carbide copper powder under agitation, is added to nickel plating solution (nickel sulfate 20g/L, lactic acid 20ml/L, ortho phosphorous acid Sodium 15g/L) in, 85 DEG C of temperature are controlled, 20% tungsten carbide of nickel content-copper-nickle composite powder is made in reaction time 20min;
4) the resulting composite granule of step 3) is centrifugated, is placed at 80 DEG C and is dried in vacuo to get finished product.
In order to verify tungsten carbide-copper-nickle composite powder actual effect obtained by preparation method provided by the invention, we are right Gained composite granule has carried out every test, as can be seen that the resulting tungsten carbide-copper-nickel of the method for the present invention is multiple from Fig. 1, Fig. 2 The partial size for closing powder is 20~50 μm, and gained composite granule has fine and close and uniform ground layers of copper and nickel layer.
Using cold spray technique, prepare hard alloy coating using the composite granule in the present invention, and to the hardness of coating, Wearability, corrosion resistance are tested, as a result as follows:
WC-Cu-Ni coating performance comparison obtained by 1 embodiment 1-4 of table
Test object Hardness (HV) Wearability (abrasion loss mg) Corrosion resistance (the corrosion rate mm/a in 3.5%NaCl solution)
Embodiment 1 1420 10.1 0.0542
Embodiment 2 1370 12.1 0.0821
Embodiment 3 1500 9.8 0.0468
Embodiment 4 1410 10.2 0.0751
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, all in the spirit and principles in the present invention Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of tungsten carbide-copper-nickle composite powder preparation method, which comprises the steps of:
Tungsten carbide powder is placed in degreaser and impregnates oil removing, is rinsed after taking-up using deionized water;
The resulting tungsten carbide powder of step 1) is placed in activator and is activated, is then rinsed using deionized water, is dried in vacuo 8h;
The resulting tungsten carbide powder of step 2 is placed in copper plating solution, is stirred, while controlled at 60 DEG C, pH is added and adjusts Agent, control pH are 11~13, and reducing agent solution is then added, continues to stir, reacts 30~40min, until copper plating bath after reaction It is colourless, the obtained tungsten carbide-copper composite powders of centrifuge separation;
By the resulting composite granule of step 3), it is placed in nickel plating in nickel plating solution, is stirred, 85~90 DEG C of constant temperature, reaction 10~ Tungsten carbide-copper-nickle composite powder that nickel content is 5~20wt% is made in 30min;
It is rear to be centrifugated by the resulting tungsten carbide-copper of step 4)-nickle composite powder washing;Vacuum drying is to get finished product.
2. tungsten carbide according to claim 1-copper-nickle composite powder preparation method, which is characterized in that institute in step 2 The sulfuric acid solution that the activator stated is 10%.
3. tungsten carbide according to claim 1-copper-nickle composite powder preparation method, which is characterized in that institute in step 3) The pH adjusting agent stated is one of sodium hydroxide, ammonium hydroxide or mixture;The reducing agent is formalin;Centrifugal speed is 3000~5000r/min;The copper plating solution is the mixed aqueous solution formed by soluble copper salt and copper ion complexing agent, control The mass ratio of copper and tungsten carbide is 0.10~0.20.
4. tungsten carbide according to claim 1-copper-nickle composite powder preparation method, which is characterized in that institute in step 4) The nickel plating solution stated is acidic nickel plating solution, and pH value is 4~5, and nickel plating solution is by nickel sulfate and nickel ion complexing agent, reduction dosage form At mixed aqueous solution, the mass ratio for controlling nickel and tungsten carbide is 0.05~0.15.
5. tungsten carbide according to claim 3-copper-nickle composite powder preparation method, which is characterized in that institute in step 2 The copper ion complexing agent stated is EDTA, any one in trisodium citrate, and the soluble copper salt refers to copper nitrate, sulfuric acid Any one in copper, copper chloride.
6. tungsten carbide according to claim 5-copper-nickle composite powder preparation method, which is characterized in that described is solvable Property mantoquita and copper ion complexing agent mass ratio be 1:1~2.5.
7. tungsten carbide according to claim 4-copper-nickle composite powder preparation method, which is characterized in that nickel ion complexing Agent is one or both of trisodium citrate, citric acid, lactic acid mixture;Reducing agent is sodium hypophosphite, one in Boratex Kind.
8. tungsten carbide according to claim 7-copper-nickle composite powder preparation method, which is characterized in that tungsten carbide powder with The mass ratio of the reducing agent is 1~20:1.
9. tungsten carbide according to claim 1-copper-nickle composite powder preparation method, which is characterized in that step 2, step It is rapid 5) in vacuum drying temperature be 80~100 DEG C.
CN201810927085.6A 2018-08-15 2018-08-15 A kind of tungsten carbide-copper-nickle composite powder preparation method Pending CN108950529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810927085.6A CN108950529A (en) 2018-08-15 2018-08-15 A kind of tungsten carbide-copper-nickle composite powder preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810927085.6A CN108950529A (en) 2018-08-15 2018-08-15 A kind of tungsten carbide-copper-nickle composite powder preparation method

Publications (1)

Publication Number Publication Date
CN108950529A true CN108950529A (en) 2018-12-07

Family

ID=64470146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810927085.6A Pending CN108950529A (en) 2018-08-15 2018-08-15 A kind of tungsten carbide-copper-nickle composite powder preparation method

Country Status (1)

Country Link
CN (1) CN108950529A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109702219A (en) * 2019-01-02 2019-05-03 北京科技大学 A kind of method of borax-assisted preparation of hollow structure particles
CN109825828A (en) * 2019-04-04 2019-05-31 林庆仁 A kind of vacuum pump screw rotor tungsten carbide-copper-nickel composite coat preparation method
CN113215566A (en) * 2021-05-07 2021-08-06 常州市天河电器有限公司 High-strength wear-resistant enclosed steel frame and processing technology thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101758230A (en) * 2009-09-24 2010-06-30 温州宏丰电工合金有限公司 Method for chemical plating of metal on particle surface
CN103046012A (en) * 2012-11-16 2013-04-17 中国船舶重工集团公司第七二五研究所 Method for preparing covering type compound powder for thermal spraying by vacuum magnetron sputtering
CN103920875A (en) * 2014-04-30 2014-07-16 台州学院 Preparation method of WC-rare earth-Co layer-by-layer coating hard alloy composite powder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101758230A (en) * 2009-09-24 2010-06-30 温州宏丰电工合金有限公司 Method for chemical plating of metal on particle surface
CN103046012A (en) * 2012-11-16 2013-04-17 中国船舶重工集团公司第七二五研究所 Method for preparing covering type compound powder for thermal spraying by vacuum magnetron sputtering
CN103920875A (en) * 2014-04-30 2014-07-16 台州学院 Preparation method of WC-rare earth-Co layer-by-layer coating hard alloy composite powder

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
宣兆龙编著: "《装备环境工程》", 31 July 2015 *
涂湘缃主编: "《实用防腐蚀工程施工手册》", 30 April 2000 *
袁军平,王昶编著: "《流行饰品材料及生产工艺》", 30 June 2015 *
贾静茹编著: "《应用化学基础实验》", 30 November 2014 *
钱苗根主编: "《材料表面技术及其应用手册》", 30 November 1998 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109702219A (en) * 2019-01-02 2019-05-03 北京科技大学 A kind of method of borax-assisted preparation of hollow structure particles
CN109702219B (en) * 2019-01-02 2020-07-10 北京科技大学 A kind of method of borax-assisted preparation of hollow structure particles
CN109825828A (en) * 2019-04-04 2019-05-31 林庆仁 A kind of vacuum pump screw rotor tungsten carbide-copper-nickel composite coat preparation method
CN113215566A (en) * 2021-05-07 2021-08-06 常州市天河电器有限公司 High-strength wear-resistant enclosed steel frame and processing technology thereof

Similar Documents

Publication Publication Date Title
CN108950529A (en) A kind of tungsten carbide-copper-nickle composite powder preparation method
CN108203794A (en) A kind of short carbon fiber aluminum matrix composite and preparation method thereof
CN102009173B (en) Method for preparing copper-clad tungsten tungsten-copper composite powder
CN100548539C (en) A kind of manufacture method of ultra-fine hard alloy composite powder
CN110102758B (en) Cu-X/C composite material and preparation method thereof
CN104999077B (en) A kind of high-density alloy composite granule and preparation method thereof
CN102294473A (en) TiC/Ti(C,N)-Mo-Ni/Co composite powder and preparation method and application thereof
CN1091171C (en) Method for preparing metal-base composite material reinforced by non-continuous ceramics reinforcing agent
CN104264024A (en) Ni45-ZrO2 nano coating and preparation method thereof
CN108385090A (en) A kind of Ti of core/shell structure3C2Alkene/Cu powders and preparation method thereof
CN102943255B (en) Preparation process of nickel-coated silicon carbide powder for surface enhancement of impression of hot forging mold
CN108823553A (en) A kind of preparation method of diamond surface Electroless Ni-P Plating
CN108620603A (en) A kind of chemical silver plating method of alumina ceramic powder
CN110453101B (en) Metallic copper flake graphite reinforced copper matrix composite material and preparation method and application thereof
AU2017386460A1 (en) Self-lubricating ceramic cutting tool material added with nickel-phosphorus-alloy-coated calcium fluoride composite powder and preparation method therefor
CN105039831B (en) Preparation method for high-strength ternary magnetically soft alloy
CN112501523A (en) Preparation method of modified carbon fiber and zirconium carbide reinforced aluminum matrix composite
CN103757616A (en) Chemical plating alkaline composite plating solution used for preparing magnetic abrasive and preparation method of chemical plating alkaline composite plating solution
KR100545107B1 (en) Manufacturing method of nickel-diamond composite powder by electroless nickel plating
CN108930031A (en) A kind of preparation method of diamond surface Electroless Ni-W-P coating
CN116690448A (en) A method for preparing abrasives with a metal coating on the surface using vibration-assisted hydrolysis
CN113649566B (en) W-Ni-Sn-P-Cu-based composite powder and preparation method and application thereof
CN101173350A (en) An electroless plating method for preparing basalt fiber-nickel one-dimensional core-shell structure
CN111266601B (en) WC-Ni composite powder, WC-Ni hard alloy and preparation method thereof
CN113278853A (en) High-hardness AlSi10Mg @ Gr composite material and product forming method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181207