CN109365802A - A kind of preparation method of core-shell structure metal ceramic composite powder - Google Patents
A kind of preparation method of core-shell structure metal ceramic composite powder Download PDFInfo
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- CN109365802A CN109365802A CN201811346903.XA CN201811346903A CN109365802A CN 109365802 A CN109365802 A CN 109365802A CN 201811346903 A CN201811346903 A CN 201811346903A CN 109365802 A CN109365802 A CN 109365802A
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- 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
- B22F1/17—Metallic particles coated with metal
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4417—Methods specially adapted for coating powder
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C18/00—Chemical 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
- C23C18/16—Chemical 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
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C18/00—Chemical 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
- C23C18/16—Chemical 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
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C28/00—Coating 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
- C23C28/02—Coating 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
- C23C28/023—Coating 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
Abstract
The invention discloses a kind of preparation methods of core-shell structure metal ceramic composite powder, the preparation method includes the following steps: 1) to carry out catalytic activation processing to ceramic powder particle: ceramic powder particle is placed in reactor, heat reaction raw materials, reaction raw materials steam, which is carried, using carrier gas enters reactor, it is passed through hydrogen and reduction reaction occurs, so that catalytic metal is deposited on ceramic powder particle surface；2) the ceramic powder particle that step 1) obtains is placed in the reactor in water-bath, metal salt starting materials and reducing agent is added, metal carbonyl coat is plated by self-catalyzed reaction, obtains metal ceramic composite powder.Present invention eliminates roughening, sensitization and the activation processs during traditional chemical plating metal, without using expensive palladium chloride catalyst, avoid the introducing of impurity palladium, and metal deposition is realized at a lower temperature, the tenor of cladding is controllable, integral coating simple process is suitable for large-scale industrial production.
Description
Technical field
The present invention relates to powder metallurgical technologies, more particularly to a kind of system of core-shell structure metal ceramic composite powder
Preparation Method.
Background technique
Hard alloy is usually by high rigidity, refractory metal hard compounds WC, TiC of high elastic modulus etc. as master
Mutually and metal Fe, Co and Ni are as Binder Phase, through composite material made of powder metallurgical technique.It had both had the high-strength of ceramics
The characteristics such as degree, high rigidity, wear-resistant, high temperature resistant, corrosion-resistant, high elastic modulus and chemical stability, also have preferable toughness and
Plasticity.Therefore hard alloy is widely used in modern tool, heat-resisting material, wear-resistant material, resistant material etc.,
It is many new and high technologies and indispensable one of the material of modern industry, is known as " industrial tooth ".
Since technical matters is simple, ball-milling method (CN103789565B) is widely used in preparing hard alloy compound powder
Body.This method is that the ceramic powders such as WC, TiC and metallic iron, cobalt or nickel are made ceramic powder and metal powder by long-time ball milling
Body mixing.However, there are the following problems for the composite granule that is prepared of this method: 1) can be introduced in long-time mechanical milling process
A large amount of impurity influence performance after subsequent forming；Although 2) by long-time ball milling, since there are density with ceramic powder for metal
Difference easily causes metal to be unevenly distributed in ceramic matrix, be easy to cause segregation during subsequent forming, influences hard alloy
Performance.
Basic unit of the hard alloy compound powder body as hard alloy, wherein the dispersion of ceramic powder and metal-powder is equal
Even property is the important factor in order of Cemented Carbide Properties.In order to solve this problem, what is generallyd use is that ceramic grain surface is heavy
The method of product metal layer enhances interface binding power between two-phase for improving the dispersibility of two-phase.Chemical plating (CN1245353C,
CN105364081A, CN101403110B, CN106623908A) it is a kind of advanced method for preparing composite granule, it is suitable to select
Reducing agent make the metal ion in solution occur redox reaction, it is selective to be restored on the surface with catalytic activity
Precipitating metal coating.But since ceramic powder surface does not have catalytic activity, ceramic powder need to be through complicated roughening, work
The preprocessing process such as change, sensitization make ceramic surface adhere to a small amount of palladium, and process is complicated, each step is required to be washed, be made
At a large amount of water resource waste and pollution.Activation process therein needs to increase cost using expensive palladium chloride,
In addition a small amount of Metal Palladium impurity is inevitably introduced in powder.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of core-shell structure metallic cover Ceramic Composites
Raw powder's production technology, the preparation method is using the powder material of ceramic-metal composite as point of penetration.This method synthesis
There is metallic cover ceramic composite powder metal to be evenly distributed in powder surface, content is controllable, tie between clad and ceramic matrix
The advantages such as resultant force is strong, impurity content is low.
In order to achieve the above objectives, the specific technical solution of the present invention is as follows:
The present invention provides a kind of preparation method of core-shell structure metal ceramic composite powder, and the preparation method includes as follows
Step: 1) carrying out catalytic activation processing to ceramic powder particle: ceramic powder particle be placed in reactor, and heating reaction is former
Material carries reaction raw materials steam using carrier gas and enters reactor, is passed through hydrogen and reduction reaction occurs, so that catalytic metal is deposited on
Ceramic powder particle surface；
2) the ceramic powder particle that step 1) obtains is placed in the reactor in water-bath, metal salt starting materials and reduction is added
Agent plates metal carbonyl coat by self-catalyzed reaction, obtains metal ceramic composite powder.
Preferably, ceramic powder particle includes tungsten carbide, titanium carbide, chromium carbide, niobium carbide, tantalum carbide, carbon in step 1)
Change the middle one or more of vanadium, titanium nitride and silicon nitride, the particle size range of the ceramic powder particle is 0.1~1000 μm.
Preferably, the particle surface catalytic activation processing in step 1) is in the catalytic gold of particle surface deposition low content
Belonging to, the catalytic metal includes one or more of iron, cobalt and nickel, and the mass fraction of catalytic metal deposition is 0.001~
1%.
Preferably, reaction raw materials described in step 1) include depositing the reaction raw materials of iron, the reaction raw materials of deposit cobalt and sinking
Product nickel reaction raw materials one or more, wherein deposit iron reaction raw materials be borontrifluoride iron, ferrous chloride, ferric trichloride,
One or more of dibrominated iron, diiodinating iron and ferrocene, the reaction raw materials of deposit cobalt are cobaltous fluoride, cobalt chloride, bromination
One or more of cobalt, cobaltous iodide and cobaltocene, the reaction raw materials for depositing nickel are nickel fluoride, nickel chloride, nickelous bromide, nickel iodide
One or more of with dicyclopentadienyl nickel.
Preferably, the particle surface catalytic activation processing in step 1) uses chemical vapour deposition technique.
Preferably, carrier gas described in step 1) includes one or more of argon gas, nitrogen, helium and neon, it is described plus
The temperature of thermal response raw material is 150~700 DEG C, and the hydrogen reducing temperature is 450~900 DEG C, and the reaction time is 1~10min.
Preferably, metal salt starting materials described in step 2) include one or more of molysite, cobalt salt and nickel salt or several,
The reducing agent includes one or more of sodium hypophosphite, sodium borohydride, hydrazine hydrate.
Preferably, the molysite includes one or more of ferrous sulfate, ferrous nitrate, frerrous chloride, the cobalt salt
Including one or more of cobaltous sulfate, cobalt nitrate, cobalt oxalate, cobalt chloride, the nickel salt includes nickel sulfate, nickel nitrate, chlorination
One or more of nickel.
Preferably, the water bath heating temperature in step 2) be 50~100 DEG C, pH value be 8~12, the reaction time be 5~
120min。
The present invention provides a kind of core-shell structure metal ceramic composite powder of preparation method preparation, and the cermet is compound
Metal in powder includes one or more of iron, cobalt and nickel, and metallic cover mass fraction is 1~50%.
The invention discloses a kind of preparation methods of core-shell structure metal ceramic composite powder, belong to PM technique neck
Domain.The present invention deposits a small amount of metallic iron, cobalt or nickel on ceramic powder surface using chemical vapor deposition, using metallic iron, cobalt or
The a large amount of metallic irons of catalytic activity autocatalytic plating, cobalt or the nickel of nickel itself.During the present invention is without the plating of ceramic powder traditional chemical
Roughening, sensitization and activation process, technical process is simple, is especially without the use of expensive catalyst palladium chloride.In addition, self-catalysis
Plating metal process carries out at a lower temperature, reduces energy consumption, and production cost can be greatly lowered.Composite granule of the present invention
Have many advantages, such as that binding force is strong, it is fine and close to be evenly coated, content is controllable between pure product, clad and ceramic matrix, simple process,
Suitable for large-scale industrial production.The composite granule that this method obtains is easy to alloying in subsequent powder metallurgy process, makes
It is not easy to be segregated with process.
Compared with prior art, present invention has an advantage that
(1) using chemical vapour deposition technique in a small amount of metallic iron of ceramic powder particle surface pre-deposition, cobalt or nickel, instead of
Roughening, sensitization and activation process, simplify process, save the time during traditional ceramics powder electroless；
(2) catalytic activity of metallic iron, cobalt or nickel itself is utilized, gold is precipitated in the selective reduction on ceramic powder surface
Belong to, eliminates the use of palladium chloride, avoid the introducing of impurity palladium, significantly reduce production cost；
(3) metal carbonyl coat of ceramic powder particle surface in-situ deposition, cladding integrity degree is high, and clad and ceramic powder
The Interface adhesive strength of body particle is strong；
(4) realize metal carbonyl coat it is controllable cladding and more metal mixeds cladding, can by adjusting autocatalytic plating temperature,
Metal carbonyl coat thickness and content in the parameter regulations ceramic powder such as pH, metal salt concentrations.
Detailed description of the invention
Fig. 1 is the field emission scanning electron microscope figure of the Co-cladded wolfram carbide composite granule of the embodiment of the present invention 1；
Fig. 2 is the field emission scanning electron microscope figure of the nickel coated titanium carbide composite granule of the embodiment of the present invention 2；
Fig. 3 is the field emission scanning electron microscope figure of the iron nickel coated silicon carbide composite powder body of the embodiment of the present invention 3.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Any feature is disclosed to obtain in this specification, it unless specifically stated, can be equivalent or with similar purpose by other
Alternative features are replaced.Unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.It is described to understand the present invention just for the sake of help, it should not be considered as to concrete restriction of the invention.
Below with reference to embodiment, the present invention will be further described:
Embodiment 1
Using cobalt chloride as chemical vapor deposition cobalt source, nitrogen is carrier gas, and heating cobalt chloride is to 650 DEG C, and hydrogen is as reduction
Gas, temperature are 750 DEG C, and a small amount of cobalt, sedimentation time 1min, obtained cobalt packet are deposited on 50 μm of partial size of tungsten carbide powder
Covering cobalt mass fraction in carbonization tungsten composite powder is 0.01%.This powder is put into self-catalysis cobalt plating stirred reactor, water-bath
50 DEG C are heated to, pH value control is 8, and using cobaltous sulfate as cobalt salt, hydrazine hydrate is reducing agent, and reaction time 60min obtains cobalt packet
Carbonization tungsten composite powder is covered, wherein the mass fraction of metallic cobalt covering amount is 30%.
The field emission scanning electron microscope figure of Co-cladded wolfram carbide composite granule is as shown in Figure 1, it will be seen from figure 1 that tungsten carbide
Particle surface deposited intact metallic cobalt.
Embodiment 2
Using nickel chloride as chemical vapor deposition nickel source, argon gas is carrier gas, and heating nickel chloride is to 680 DEG C, and hydrogen is as reduction
Gas, temperature are 720 DEG C, and a small amount of nickel, sedimentation time 5min, obtained nickel are deposited on 100 μm of partial size of titanium carbide powder
Coating nickel mass fraction in titanium carbide composite granule is 0.1%.This powder is put into autocatalytic nickel stirred reactor, water-bath
70 DEG C are heated to, pH value control is 12, and using nickel chloride as nickel salt, sodium hypophosphite is reducing agent, and reaction time 120min is obtained
To nickel coated titanium carbide composite granule, wherein the mass fraction of metallic nickel covering amount is 50%.
The field emission scanning electron microscope figure of nickel coated titanium carbide composite granule is as shown in Fig. 2, figure it is seen that titanium carbide
Particle surface deposited intact metallic nickel.
Embodiment 3
Using ferrocene as chemical vapor deposition source of iron, neon is carrier gas, and heating ferrocene is to 150 DEG C, and hydrogen is as reduction
Gas, temperature are 900 DEG C, and a small amount of iron, sedimentation time 10min, obtained iron are deposited on 500 μm of partial size of silicon carbide powder
Coating weight of iron score in silicon carbide composite powder body is 1%.This powder is put into self-catalysis plating iron nickel stirred reactor, water-bath
It is heated to 90 DEG C, pH value control is 10, and using ferrous sulfate as molysite, nickel sulfate is nickel salt, and sodium borohydride is reducing agent, when reaction
Between be 60min, obtain iron nickel coated silicon carbide composite powder body, wherein the mass fraction of metallic cover amount be 10%.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, it will be apparent to an ordinarily skilled person in the art that technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of preparation method of core-shell structure metal ceramic composite powder, the preparation method include the following steps:
1) catalytic activation processing is carried out to ceramic powder particle: ceramic powder particle is placed in reactor, heat reaction raw materials,
Reaction raw materials steam is carried using carrier gas and enters reactor, is passed through hydrogen and reduction reaction occurs, so that catalytic metal is deposited on pottery
Porcelain powder granule surface；
2) the ceramic powder particle that step 1) obtains is placed in the reactor in water-bath, metal salt starting materials and reducing agent is added,
Metal carbonyl coat is plated by self-catalyzed reaction, obtains metal ceramic composite powder.
2. the preparation method of core-shell structure metal ceramic composite powder according to claim 1, which is characterized in that step 1)
Middle ceramic powder particle includes in tungsten carbide, titanium carbide, chromium carbide, niobium carbide, tantalum carbide, vanadium carbide, titanium nitride and silicon nitride
One or more, the particle size range of the ceramic powder particle is 0.1~1000 μm.
3. the preparation method of core-shell structure metal ceramic composite powder according to claim 1, which is characterized in that step 1)
In particle surface catalytic activation processing for particle surface deposit low content catalytic metal, the catalytic metal include iron,
One or more of cobalt and nickel, the mass fraction of catalytic metal deposition are 0.001~1%.
4. the preparation method of core-shell structure metal ceramic composite powder according to claim 1, which is characterized in that step 1)
Described in reaction raw materials include deposit the reaction raw materials of iron, deposit cobalt reaction raw materials and deposit nickel reaction raw materials one kind or
It is several, wherein deposit iron reaction raw materials include borontrifluoride iron, ferrous chloride, ferric trichloride, dibrominated iron, diiodinating iron and
One or more of ferrocene, the reaction raw materials of deposit cobalt include cobaltous fluoride, cobalt chloride, cobaltous bromide, cobaltous iodide and cobaltocene
One or more of, deposit nickel reaction raw materials include in nickel fluoride, nickel chloride, nickelous bromide, nickel iodide and dicyclopentadienyl nickel one
Kind is several.
5. the preparation method of core-shell structure metal ceramic composite powder according to claim 1 to 4, which is characterized in that
Particle surface catalytic activation processing in step 1) uses chemical vapour deposition technique.
6. the preparation method of core-shell structure metal ceramic composite powder described in -4 according to claim 1, which is characterized in that step
1) carrier gas described in includes one or more of argon gas, nitrogen, helium and neon, and the temperature of the heating reaction raw materials is
150~700 DEG C, the hydrogen reducing temperature is 450~900 DEG C, and the reaction time is 1~10min.
7. the preparation method of core-shell structure metal ceramic composite powder according to claim 1, which is characterized in that step 2)
Described in metal salt starting materials include one or more of molysite, cobalt salt and nickel salt, the reducing agent includes sodium hypophosphite, boron
One or more of sodium hydride, hydrazine hydrate.
8. the preparation method of core-shell structure metal ceramic composite powder according to claim 7, which is characterized in that the iron
Salt includes one or more of ferrous sulfate, ferrous nitrate, frerrous chloride, and the cobalt salt includes cobaltous sulfate, cobalt nitrate, oxalic acid
One or more of cobalt, cobalt chloride, the nickel salt include one or more of nickel sulfate, nickel nitrate, nickel chloride.
9. the preparation method of core-shell structure metal ceramic composite powder according to claim 1, which is characterized in that step 2)
In water bath heating temperature be 50~100 DEG C, pH value be 8~12, the reaction time be 5~120min.
10. a kind of core-shell structure metal ceramic composite powder by any preparation method preparation of claim 1-9, feature
It is, the metal in the metal ceramic composite powder includes one or more of iron, cobalt and nickel, metallic cover mass fraction
It is 1~50%.
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Cited By (4)
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| CN109852952A (en) * | 2019-02-28 | 2019-06-07 | 浙江英洛华磁业有限公司 | A kind of hydrazine hydrate chemical nickel-plating plating solution and preparation method thereof and nickel plating process |
| CN111424267A (en) * | 2020-04-24 | 2020-07-17 | 昆明理工大学 | Method for preparing nickel-coated bismuth sulfur chloride |
| CN112548096A (en) * | 2020-12-14 | 2021-03-26 | 中北大学 | Cobalt-coated ceramic composite powder and preparation method and application thereof |
| CN112570711A (en) * | 2020-11-26 | 2021-03-30 | 中铭富驰（苏州）纳米高新材料有限公司 | Preparation method of nickel-coated titanium carbide composite powder |
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| CN112570711A (en) * | 2020-11-26 | 2021-03-30 | 中铭富驰（苏州）纳米高新材料有限公司 | Preparation method of nickel-coated titanium carbide composite powder |
| CN112548096A (en) * | 2020-12-14 | 2021-03-26 | 中北大学 | Cobalt-coated ceramic composite powder and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN109365802B (en) | 2020-06-16 |
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