CN113560540A - Method for preparing ZTA ceramic particle reinforced high-chromium cast iron based wear-resistant composite material - Google Patents

Method for preparing ZTA ceramic particle reinforced high-chromium cast iron based wear-resistant composite material Download PDF

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CN113560540A
CN113560540A CN202110763577.8A CN202110763577A CN113560540A CN 113560540 A CN113560540 A CN 113560540A CN 202110763577 A CN202110763577 A CN 202110763577A CN 113560540 A CN113560540 A CN 113560540A
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zta ceramic
ceramic particles
zta
powder
cast iron
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刘海云
王晓杰
贾登云
陈少平
孟庆森
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Taiyuan University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/04—Casting by dipping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • 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
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C23C18/165—Multilayered product
    • C23C18/1651—Two or more layers only obtained by electroless plating
    • 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

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Abstract

A method for preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material belongs to the technical field of metal-based wear-resistant composite material preparation, solves the technical problems of poor wettability and combination of high-chromium cast iron liquid and ceramic and non-ideal combination of ceramic and metal interfaces, and has the following solution: after ceramic particles are cleaned, a binder is directly added to coat active micro powder with different types and contents, or chemical plating is used to modify the surface of the ceramic particles (Ni and/or Co is plated on the surface of ZTA ceramic particles), then the binder is added to coat the active micro powder with different types and contents, a prefabricated body with a certain pore and shape is prepared after compression molding, finally lost foam negative pressure casting is adopted, the wettability of ZTA ceramic and high-chromium cast iron liquid can be effectively improved, then lost foam negative pressure casting technology is adopted, the ceramic prefabricated body is infiltrated through the high-chromium cast iron liquid, a high-wear-resistant composite material is prepared, and the use reliability and stability are improved.

Description

Method for preparing ZTA ceramic particle reinforced high-chromium cast iron based wear-resistant composite material
Technical Field
The invention belongs to the technical field of metal-based wear-resistant composite material preparation, and particularly relates to a method for preparing a ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material.
Background
A large number of wear-resistant parts are frequently used in industries such as mines, electric power, cement and the like, wear-resistant materials for preparing the wear-resistant parts are various, and the ceramic particle reinforced iron-based wear-resistant material is widely researched and applied. The ZTA ceramic particle reinforced high-chromium cast iron-based composite material has been applied to different occasions, but due to poor wettability of ceramic to molten iron and non-ideal combination of ceramic and metal interfaces, the technical problems of instability and unreliability exist in the use process of wear-resistant parts.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the technical problems of poor wettability and infiltration of high-chromium cast iron liquid and ceramic and unsatisfactory combination of ceramic and metal interfaces in the ceramic particle reinforced iron-based wear-resistant material, the invention provides a method for preparing a ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material, so that the composite material with high wear resistance is prepared, and the use reliability and stability are improved.
The design concept of the invention is as follows: the surface of the ceramic particle is directly coated with activated micro powder such as metal or compound by bonding, or the surface of the ceramic particle is modified by chemical plating and then coated with activated micro powder such as metal or compound by bonding, then a prefabricated body with certain pores and shape is prepared, and then the high-wear-resistance composite material is prepared by adopting a lost foam negative pressure casting technology and infiltrating the ceramic prefabricated body by high-chromium cast iron liquid.
The invention is realized by the following technical scheme.
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, coating active micro powder on the surface of ZTA ceramic particles:
adding ZTA ceramic particles and active micro powder into a container according to the mass ratio of 100: 5-20, fully stirring and uniformly mixing, then adding a binder, fully stirring to enable the active micro powder to be uniformly coated on the surfaces of the ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s2, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S1 into a mould according to the shape of the ceramic preform, pressing and forming under the pressure of 1MPa, demoulding after pressing and forming, heating to 1200 ℃ in a tube furnace with argon protection, and keeping the temperature for half an hour and drying to prepare the ceramic preform;
s3, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (4) embedding the ceramic preform prepared in the step S2 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, casting by using high-chromium iron casting liquid at 1400-1600 ℃, replacing the foam position with the iron liquid, casting and infiltrating into the ceramic preform, and cooling the iron liquid to obtain the ZTA ceramic particle reinforced high-chromium iron-based composite material.
Further, in step S1, the ZTA ceramic particles are ceramic particles after surface modification treatment, and the surface modification of the ZTA ceramic particles includes the following steps:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3-4 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate (used for plating Ni) or cobalt sulfate (used for plating Co), adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer, heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be maintained at alkalinity, chemically plating Ni or Co on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing. Further, in the step S1-2, the main salts are nickel sulfate and cobalt sulfate, and the electroless nickel plating and the electroless cobalt plating are sequentially performed, and the steps are as follows:
A. firstly, adding nickel sulfate into deionized water to prepare a nickel sulfate salt solution; secondly, transferring the nickel sulfate solution to a constant-temperature magnetic stirrer, heating to 60 ℃, adding ammonia water to adjust the pH value of the solution to be alkaline when the nickel sulfate solution is at constant temperature; thirdly, adding the ZTA ceramic particles treated in the step S1-1 into a nickel sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and chemically plating Ni on the surfaces of the ZTA ceramic particles after the chemical plating reaction is finished;
B. firstly, adding cobalt sulfate into deionized water to prepare a cobalt sulfate salt solution; secondly, moving the cobalt sulfate salt solution to a constant-temperature magnetic stirrer, heating to 60 ℃, and adding ammonia water to adjust the pH value of the solution to be alkaline when the cobalt sulfate salt solution is at a constant temperature; and B, adding the ZTA ceramic particles treated in the step A into a cobalt sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and after the chemical plating reaction is finished, sequentially and chemically plating Ni and Co on the surfaces of the ZTA ceramic particles.
Further, in the step S1 or the step S1-1, the grain size of the ZTA ceramic particles is 2-3mm, and the chemical components and the mass percentage content of the ZTA ceramic particles are as follows: 40-75% of alumina and 60-25% of zirconia.
Further, in step S2, the activated fine powder is Ni powder, Co powder, Cr powder, Al powder, B powder4C powder, TiC powder, ZrO powder2Powder, Al2O3Powder, Fe2O3Powder of Cr2O3Powder ZTOne or more of the A powder, the purity of each micro powder is more than 99.9%, and the particle size of the activated micro powder is 1-20 microns.
Further, in the step S2, the binder is one or two of water glass or aluminum dihydrogen phosphate; the modulus of the water glass is 3.0, and the concentration is 40 Baume degrees.
Further, in step S4, the high-chromium cast iron includes the following chemical components by mass percent: 3.4 percent of C, 27 percent of Cr, less than 1 percent of Si, less than 1 percent of Mn, less than 0.06 percent of S, less than 0.1 percent of P and the balance of Fe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, active micro powder with different types and contents is directly coated on the surface of ZTA ceramic particles, or active micro powder with different types and contents is coated on the surface of ZTA ceramic particles after Ni and/or Co is plated on the surface of ZTA ceramic particles, then a binder is added, and the mixture is pressed and formed to prepare a prefabricated body, and finally lost foam negative pressure casting is adopted, so that the wettability of ZTA ceramic and high chromium cast iron liquid can be effectively improved, and the problems of infiltration of the ZTA ceramic particle prefabricated body by the high chromium cast iron liquid and combination of the high chromium cast iron and the ZTA ceramic are solved.
Drawings
FIG. 1 is a cross-sectional view of a ZTA ceramic particle/high chromium cast iron based wear resistant composite sample;
FIG. 2 is a microstructure and morphology diagram of ZTA ceramic particles/high-chromium cast iron-based wear-resistant composite material;
FIG. 3 is a schematic structural view of a negative pressure casting apparatus;
in the figure, 1 is a preform, 2 is a runner, 3 is a cavity, 4 is a negative pressure suction port, and 5 is a vibration table.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. Unless otherwise specified, the examples follow conventional experimental conditions.
Example 1
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, coating active micro powder on the surface of ZTA ceramic particles:
ZTCeramic particles A and active micro powder Al powder: fe2O3Adding the powder into a container according to the mass ratio of 100:5:5, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s2, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S1 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 300 ℃ in a tube furnace filled with argon protection, and performing heat preservation for half an hour to dry to prepare a ceramic preform;
s3, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S2 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 2
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
performing surface modification treatment on the ZTA ceramic particles subjected to the surface modification treatment in the step S1, and active micro powder Cr powder and B4Adding the powder C into a container according to the mass ratio of 100:10:10, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (4) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, casting by using high-chromium iron casting liquid at 1400 ℃, replacing the foam position with iron liquid, casting and infiltrating into the ceramic preform, and cooling the iron liquid to obtain the ZTA ceramic particle reinforced high-chromium iron-based composite material.
A transition layer taking sodium silicate as a matrix is formed between the ZTA ceramic and the high-chromium cast iron metal interface, active metal and compound micro powder are contained in the transition layer, and the metals and the compounds improve the wettability of the ZTA ceramic and promote the infiltration and combination of the ZTA ceramic and the high-chromium cast iron liquid, so that a reliable and stable composite material is formed.
Example 3
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 20: 15: 23: 15: 18, main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is cobalt sulfate, deionized water is added to prepare a salt solution, then the salt solution is moved to a constant-temperature magnetic stirrer and heated to 60 degrees, ammonia water is added to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally ZTA ceramic particles treated in the step S1-1 are added to the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Co on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
performing surface modification treatment on the ZTA ceramic particles subjected to the surface modification treatment in the step S1, and active micro powder Cr powder and B4Adding the powder C into a container according to the mass ratio of 100:10:10, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (4) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, casting by using high-chromium iron casting liquid at 1400 ℃, replacing the foam position with iron liquid, casting and infiltrating into the ceramic preform, and cooling the iron liquid to obtain the ZTA ceramic particle reinforced high-chromium iron-based composite material.
Example 4
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
adding the ZTA ceramic particles subjected to surface modification treatment in the step S1, the active micro powder Cr powder and the ZTA powder into a container according to the mass ratio of 100:10:10, fully and uniformly stirring and mixing, then adding a binder sodium silicate, fully stirring to enable the active micro powder to be uniformly coated on the surfaces of the ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (4) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, casting by using high-chromium iron casting liquid at 1400 ℃, replacing the foam position with iron liquid, casting and infiltrating into the ceramic preform, and cooling the iron liquid to obtain the ZTA ceramic particle reinforced high-chromium iron-based composite material.
Example 5
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
performing surface modification treatment on the ZTA ceramic particles subjected to the surface modification treatment in the step S1, and active micro powder Cr powder and Al2O3Adding the powder into a container according to the mass ratio of 100:10:10, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 6
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
performing surface modification treatment on the ZTA ceramic particles subjected to the surface modification treatment in the step S1, and active micro powder Cr powder and B4Adding the powder C into a container according to the mass ratio of 100:10:10, fully stirring and uniformly mixing, then adding a binder sodium silicate (80%) + aluminum dihydrogen phosphate (20%), fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 7
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
the ZTA ceramic particles subjected to the surface modification treatment in the step S1, active micro powder Co powder and ZrO powder2Powder and Al2O3Adding the powder into a container according to the mass ratio of 100:10:5:5, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 8
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18 weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate and cobalt sulfate, and carrying out chemical nickel plating and chemical cobalt plating in sequence, and the steps are as follows:
A. firstly, adding nickel sulfate into deionized water to prepare a nickel sulfate salt solution; secondly, transferring the nickel sulfate solution to a constant-temperature magnetic stirrer, heating to 60 ℃, adding ammonia water to adjust the pH value of the solution to be alkaline when the nickel sulfate solution is at constant temperature; thirdly, adding the ZTA ceramic particles treated in the step S1-1 into a nickel sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and chemically plating Ni on the surfaces of the ZTA ceramic particles after the chemical plating reaction is finished;
B. firstly, adding cobalt sulfate into deionized water to prepare a cobalt sulfate salt solution; secondly, moving the cobalt sulfate salt solution to a constant-temperature magnetic stirrer, heating to 60 ℃, and adding ammonia water to adjust the pH value of the solution to be alkaline when the cobalt sulfate salt solution is at a constant temperature; thirdly, adding the ZTA ceramic particles treated in the step A into a cobalt sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and after the chemical plating reaction is finished, sequentially chemically plating Ni and Co on the surfaces of the ZTA ceramic particles;
C. taking out ZTA ceramic particles, repeatedly cleaning, heating to above 200 deg.C, oven drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
the ZTA ceramic particles subjected to the surface modification treatment in the step S1, active micro powder Cr powder and ZrO powder2Powder and Al2O3Adding the powder into a container according to the mass ratio of 100:10:5:5, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 9
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
adding the ZTA ceramic particles subjected to surface modification treatment in the step S1 and Al powder into a container according to the mass ratio of 100:20, fully and uniformly stirring and mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of the ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 1200 ℃ in a tube furnace filled with argon protection, and performing heat preservation and drying for half an hour to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
Example 10
The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material comprises the following steps:
s1, surface modification treatment of ZTA ceramic particles:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the proportion of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate, adding deionized water to prepare a salt solution, then transferring the salt solution to a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of a salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, chemically plating Ni on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing;
s2, coating active micro powder on the surface of ZTA ceramic particles:
the ZTA ceramic particles subjected to the surface modification treatment in the step S1, active micro powder Al powder and Cr powder2O3Adding the powder into a container according to the mass ratio of 100:10:10, fully stirring and uniformly mixing, then adding a binder sodium silicate, fully stirring to enable the activated micro powder to be uniformly coated on the surfaces of ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s3, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S2 into a die with a wafer-shaped cavity, performing press forming under the pressure of 1MPa, demolding after the press forming, heating to 300 ℃ in a tube furnace filled with argon protection, and performing heat preservation for half an hour to dry to prepare a ceramic preform;
s4, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (3) embedding the ceramic preform prepared in the step S3 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, as shown in figure 3, adopting 1400 ℃ high-chromium cast iron liquid for casting, replacing the foam position with the molten iron, casting and infiltrating into the ceramic preform, and cooling the molten iron to obtain the ZTA ceramic particle reinforced high-chromium cast iron-based composite material.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (7)

1. The method for preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material is characterized by comprising the following steps of:
s1, coating active micro powder on the surface of ZTA ceramic particles:
adding ZTA ceramic particles and active micro powder into a container according to the mass ratio of 100: 5-20, fully stirring and uniformly mixing, then adding a binder, fully stirring to enable the active micro powder to be uniformly coated on the surfaces of the ZTA ceramic particles, and bonding the ZTA ceramic particles through the binder;
s2, preparing a ceramic prefabricated body:
adding the ZTA ceramic particles prepared in the step S1 into a mould according to the shape of the ceramic preform, pressing and forming under the pressure of 1MPa, demoulding after pressing and forming, heating to 1200 ℃ at the temperature of 300 ℃ in a tube furnace with argon protection, and keeping the temperature for half an hour and drying to prepare the ceramic preform;
s3, preparing the ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material:
and (4) embedding the ceramic preform prepared in the step S2 in EPS foam, then placing the ceramic preform in a sand box for negative pressure casting of a lost foam, casting by using high-chromium iron casting liquid at 1400-1600 ℃, replacing the foam position with the iron liquid, casting and infiltrating into the ceramic preform, and cooling the iron liquid to obtain the ZTA ceramic particle reinforced high-chromium iron-based composite material.
2. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material according to claim 1, wherein: in step S1, the ZTA ceramic particles are ceramic particles subjected to surface modification treatment, and the surface modification of the ZTA ceramic particles includes the following steps:
s1-1, cleaning ZTA ceramic particles: firstly, taking a proper amount of ZTA ceramic particles, putting the ZTA ceramic particles into a beaker, pickling, taking out and washing; secondly, sensitizing for 15 minutes by using a sensitizing solution prepared by stannous chloride, and then washing for 3-4 times by using alcohol and deionized water to remove ZTA ceramic particle residues; thirdly, reacting for 15 minutes by using a sensitizing solution prepared by adding water and silver nitrate under the ultrasonic condition; finally, drying for 10 minutes at 200 ℃ and bagging for later use;
s1-2, surface modification treatment: according to the weight ratio of 22: 15: 23: 15: 18, weighing main salt, sodium hypophosphite, sodium citrate, sodium pyrophosphate and triethylamine, wherein the main salt is nickel sulfate or cobalt sulfate, adding deionized water into the main salt to prepare a salt solution, then transferring the salt solution onto a constant-temperature magnetic stirrer and heating to 60 degrees, adding ammonia water to adjust the pH value of the solution to be alkaline when the salt solution is at constant temperature, and finally adding ZTA ceramic particles treated in the step S1-1 into the salt solution; monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be maintained at alkalinity, chemically plating Ni or Co on the surfaces of ZTA ceramic particles after the chemical plating reaction is finished, taking out the ZTA ceramic particles for repeated cleaning, and then heating to more than 200 ℃ for drying and storing.
3. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear resistant composite material according to claim 1 or 2, wherein: in the step S1 or the step S1-1, the particle size of the ZTA ceramic particles is 2-3mm, and the ZTA ceramic particles comprise the following chemical components in percentage by mass: 40-75% of alumina and 60-25% of zirconia.
4. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material according to claim 2, wherein: in the step S1-2, the main salts are nickel sulfate and cobalt sulfate, and the chemical nickel plating and the chemical cobalt plating are sequentially performed, and the steps are as follows:
A. firstly, adding nickel sulfate into deionized water to prepare a nickel sulfate salt solution; secondly, transferring the nickel sulfate solution to a constant-temperature magnetic stirrer, heating to 60 ℃, adding ammonia water to adjust the pH value of the solution to be alkaline when the nickel sulfate solution is at constant temperature; thirdly, adding the ZTA ceramic particles treated in the step S1-1 into a nickel sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and chemically plating Ni on the surfaces of the ZTA ceramic particles after the chemical plating reaction is finished;
B. firstly, adding cobalt sulfate into deionized water to prepare a cobalt sulfate salt solution; secondly, moving the cobalt sulfate salt solution to a constant-temperature magnetic stirrer, heating to 60 ℃, and adding ammonia water to adjust the pH value of the solution to be alkaline when the cobalt sulfate salt solution is at a constant temperature; and B, adding the ZTA ceramic particles treated in the step A into a cobalt sulfate solution, monitoring the pH value of the salt solution in real time, continuously dropwise adding sodium hydroxide to adjust the pH value of the salt solution to be alkaline, and after the chemical plating reaction is finished, sequentially and chemically plating Ni and Co on the surfaces of the ZTA ceramic particles.
5. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material according to claim 1, wherein: in the step S1, the activated micro powder is Ni powder, Co powder, Cr powder, Al powder, B powder4C powder, TiC powder, ZrO powder2Powder, Al2O3Powder, Fe2O3Powder of Cr2O3One or more of powder and ZTA powder, wherein the purity of each micropowder is more than 99.9%, and the particle size of the activated micropowder is 1-20 μm.
6. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material according to claim 1, wherein: in the step S1, the binder is one or two of water glass or aluminum dihydrogen phosphate; the modulus of the water glass is 3.0, and the concentration is 40 Baume degrees.
7. The method of preparing ZTA ceramic particle reinforced high-chromium cast iron-based wear-resistant composite material according to claim 1, wherein: in step S3, the high-chromium cast iron comprises the following chemical components in percentage by mass: 3.4 percent of C, 27 percent of Cr, less than 1 percent of Si, less than 1 percent of Mn, less than 0.06 percent of S, less than 0.1 percent of P and the balance of Fe.
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CN114833338A (en) * 2022-04-25 2022-08-02 西安交通大学 Chemical plating NiMo modified TiB 2 -TiC particle reinforced high manganese steel base composite material and preparation method thereof
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CN115537686A (en) * 2022-10-19 2022-12-30 昆明理工大学 Preparation method of ZTA ceramic particle surface whisker reinforced steel-based composite material
CN115921823A (en) * 2022-12-19 2023-04-07 有研工程技术研究院有限公司 Preparation and processing method of high-entropy alloy reinforced light metal material
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CN114807733B (en) * 2022-05-11 2023-06-23 长沙威尔保新材料有限公司 Method for connecting and fixing high-chromium white wear-resistant cast iron part and metal part
CN114807733A (en) * 2022-05-11 2022-07-29 长沙威尔保新材料有限公司 Method for connecting and fixing high-chromium white wear-resistant cast iron part and metal part
CN115093235A (en) * 2022-06-22 2022-09-23 合肥水泥研究设计院有限公司 Surface modification process of ZTA ceramic particles for preparing iron-based composite wear-resistant material
CN115124326A (en) * 2022-08-09 2022-09-30 东北大学 Preparation method of netlike TiC/ZTA conductive ceramic composite material
CN115255354A (en) * 2022-09-28 2022-11-01 西安稀有金属材料研究院有限公司 Preparation method of high-chromium cast iron wear-resistant material with ordered structure
CN115537686A (en) * 2022-10-19 2022-12-30 昆明理工大学 Preparation method of ZTA ceramic particle surface whisker reinforced steel-based composite material
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