CN111992724A - Pyroxene-based metal Fe interlayer composite material and preparation method thereof - Google Patents
Pyroxene-based metal Fe interlayer composite material and preparation method thereof Download PDFInfo
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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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
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- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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Abstract
The invention discloses a pyroxene-based metal Fe interlayer composite material and a preparation method thereof, belonging to the field of manufacturing of iron-based or ceramic-based composite materials, wherein the pyroxene-based metal Fe interlayer composite material comprises the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 10-40 parts of pyroxene phase glass water-quenched slag reducing agent, 80-100 parts of iron powder and 10-40 parts of iron powder reducing agent; a preparation method of pyroxene-based metal Fe interlayer composite material comprises the following steps: initial batching, water-quenched slag making, secondary batching, batching grinding, raw blank making and blank sintering; the pyroxene-based metal Fe interlayer composite material and the preparation method thereof have the advantages of simple operation and low production cost, can improve the toughness and mechanical strength of finished products, promote the comprehensive utilization of tailings, and have important significance for resource recycling and environmental protection.
Description
Technical Field
The invention relates to the field of manufacturing of iron-based or ceramic-based composite materials, in particular to a pyroxene-based metal Fe interlayer composite material and a preparation method thereof.
Background
Mineral resources are non-renewable resources, and with rapid development of economy, the demand for mineral resources is continuously increased, and one-time resources are gradually exhausted. Meanwhile, various hazards brought to the environment in the development process of mineral resources are becoming obvious day by day, so that people realize that the protection of resources and the protection of the environment play an important role in the sustainable development of social economy. Therefore, improving the comprehensive utilization of valuable mine tailings has become an important way to slow down mining and primary resource utilization.
The microcrystalline glass serving as a glass material emerging in the modern society has high corrosion resistance, wear resistance and hardness, and has high chemical stability and aging failure average age limit higher than 100 years. Therefore, the microcrystalline glass is widely applied to life, military and industrial production. The main raw materials for producing and preparing the microcrystalline glass are quartz, feldspar, alkali metal oxide, metal oxide and the like. The tailing components contain a large amount of raw material components for preparing the microcrystalline glass. The tailing is used as the raw material to prepare the microcrystalline glass, on one hand, the utilization rate of the tailing can be improved, and on the other hand, the trace elements in the tailing are important components of the crystal nucleus agent required for preparing the microcrystalline glass. The high-performance pyroxene phase tailing microcrystalline glass can be prepared by taking tailings as raw materials. However, the problems of poor toughness, insufficient mechanical strength, poor insulating property and the like of the existing pyroxene phase microcrystalline glass seriously restrict the development and wide application of the material.
The metal and the microcrystalline glass are fused to prepare the composite material, the content of metallic iron in the prepared composite material is 5-45%, and other components are the microcrystalline glass. The composite material can solve the problem of high brittleness of the microcrystalline glass. And the metal has good thermal conductivity, toughness and electrical conductivity. The microcrystalline glass is combined with metal to prepare the composite material, so that the material has double properties of metal and microcrystalline glass. At present, metal ceramic composite materials are mainly aluminum-based composite materials, magnesium-based composite materials and the like, but the composite materials have higher cost and smaller application range. The metallic iron has larger yield and lower price in China, the composite material prepared by taking the metallic iron as the composite phase and the tailings as the raw materials can be produced in an expanded way, and the research on the preparation of the composite material by combining the metallic iron with the pyroxene phase microcrystalline glass is less. Therefore, there is a need for a pyroxene-based metal Fe interlayer composite material and a preparation method thereof, which solve the above problems, improve the product quality of pyroxene-phase microcrystalline glass, improve toughness, mechanical strength and the like, and promote the wide application of the material and the comprehensive utilization of mine tailings.
Disclosure of Invention
The invention aims to provide a pyroxene-based metal Fe interlayer composite material which is characterized by comprising the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 10-40 parts of pyroxene phase glass water-quenched slag reducing agent, 80-100 parts of iron powder and 10-40 parts of iron powder reducing agent.
Preferably, the powdery pyroxene phase glass water-quenched slag is prepared from slag powder, wherein the slag powder comprises 40-60% of bayan obo iron tailings, 5-15% of quartz sand, 5-8% of borax and 3-8% of aluminum oxide.
Preferably, the iron powder is reduced iron powder and Fe subjected to hydrogen peroxide, microwave oven, muffle furnace and air oxidation treatment2O3Or ferrosilicon.
Preferably, the pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt one or two of ferrosilicon, simple substance silicon, aluminum powder and carbon.
Correspondingly, the invention also provides a preparation method of the pyroxene-based metal Fe interlayer composite material, which comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: uniformly adding the powder which is ground and dispersed in the S4 into a compression mould by taking iron powder as an interlayer for initial forming treatment, wherein the initial forming pressure is 10-30 MPa, and then carrying out isostatic pressing by using the pressure of 130-150 MPa to prepare an original blank; or the material ground and dispersed in the S4 is placed in a special graphite grinding tool, a high-iron mixed material is used as an interlayer for uniform filling, and then a one-way press is adopted for forming under 5-20 Pa;
sintering the S6 blank: and (3) placing the formed blank in a high-temperature sintering furnace for sintering, then cooling to room temperature along with the furnace, and discharging to obtain a finished product.
Preferably, the high-temperature sintering furnace in S6 is a vacuum sintering furnace, an atmosphere protection sintering furnace or a discharge plasma sintering furnace.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention takes the bayan obo iron-selecting tailings as the raw material to prepare the pyroxene-based slag microcrystalline glass water-quenched slag, and adds the iron powder and the reducing agent to prepare the pyroxene-based Fe interlayer composite material, and the product exerts the characteristics of high wear resistance, high stability, high toughness and the like of the microcrystalline glass and the metallic iron, improves the oxidation resistance of the metallic iron by taking the microcrystalline glass as a protective layer, and greatly improves the application field of the material;
2. the invention takes the iron-containing substance as the interlayer and is protected by the reducing agent, promotes the metallic iron and the pyroxene to form a better eutectoid interface layer, and increases the bonding strength of the metallic iron and the pyroxene phase, thereby improving the weak shock resistance characteristic of the pyroxene phase glass ceramics, and improving the toughness and other mechanical properties of the material
3. In the invention, the bayan obo iron tailings are adopted to prepare the pyroxene-based metal Fe interlayer composite material, so that the problem of tailing accumulation can be solved, the utilization value of the tailings can be improved, and waste is changed into protection;
drawings
FIG. 1 is a schematic view of the distribution of elements before operation of a green compact;
FIG. 2 is an SEM image of a sintered body;
FIG. 3 is a graph showing the result of XRD analysis of the pyroxene-based metal Fe sandwich composite material in example 6;
fig. 4 is a schematic view showing the distribution of each component of the pyroxene-based metal Fe sandwich composite material in example 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, it being understood that the examples described are only some of the examples and are not intended to limit the invention to the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a pyroxene-based metal Fe interlayer composite material is characterized in that: comprises the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 10-40 parts of pyroxene phase glass water-quenched slag reducing agent, 80-100 parts of iron powder and 10-40 parts of iron powder reducing agent; the powdery pyroxene phase glass waterThe quenching slag is prepared from slag powder, wherein the slag powder comprises 40-60% of bayan obo iron tailings, 5-15% of quartz sand, 5-8% of borax and 3-8% of alumina; the iron powder is reduced iron powder and Fe which are subjected to oxidation treatment by hydrogen peroxide, a microwave oven, a muffle furnace and air2O3Or ferrosilicon; the pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt one or two of ferrosilicon alloy, simple substance silicon, aluminum powder and carbon.
For a better understanding of the invention, the constituents of bayan obo iron tailings and powdered pyroxene phase glass water-quenched slag are as follows:
TABLE 1 Baiyunebo iron tailings main chemical composition
TABLE 2 main chemical compositions of powdery pyroxene phase glass water-quenched slag
Example 2:
a pyroxene-based metal Fe interlayer composite material is characterized in that: comprises the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 10 parts of pyroxene phase glass water-quenched slag reducing agent, 80 parts of iron powder and 10 parts of iron powder reducing agent; the powdery pyroxene phase glass water-quenched slag is prepared from slag powder, wherein the slag powder comprises 40% of bayan obo iron tailings, 5% of quartz sand, 5% of borax and 3% of aluminum oxide; the iron powder is reduced iron powder which is subjected to oxidation treatment by hydrogen peroxide, a microwave oven, a muffle furnace and air; the pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt ferrosilicon alloy.
Example 3:
a pyroxene-based metal Fe interlayer composite material is characterized in that: comprises the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 40 parts of pyroxene phase glass water-quenched slag reducing agent, 100 parts of iron powder and iron powder reduction40 parts of an agent; the powdery pyroxene phase glass water-quenched slag is prepared from slag powder, wherein the slag powder comprises 60% of bayan obo iron tailings, 15% of quartz sand, 8% of borax and 8% of aluminum oxide; the iron powder is Fe subjected to oxidation treatment by hydrogen peroxide, a microwave oven, a muffle furnace and air2O3(ii) a The pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt simple substance silicon and aluminum powder.
Example 4:
a pyroxene-based metal Fe interlayer composite material is characterized in that: comprises the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 25 parts of pyroxene phase glass water-quenched slag reducing agent, 90 parts of iron powder and 25 parts of iron powder reducing agent; the powdery pyroxene phase glass water-quenched slag is prepared from slag powder, wherein the slag powder comprises 50% of bayan obo iron tailings, 10% of quartz sand, 7% of borax and 6% of aluminum oxide; the iron powder is ferrosilicon which is oxidized by hydrogen peroxide, a microwave oven, a muffle furnace and air; the pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt carbon.
Example 5:
the preparation method of the embodiment 1-4 is consistent, and comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: uniformly adding the powder which is ground and dispersed in the S4 into a compression mould by taking iron powder as an interlayer for initial forming treatment, wherein the initial forming pressure is 10-30 MPa, and then carrying out isostatic pressing by using the pressure of 130-150 MPa to prepare an original blank; or the material ground and dispersed in the S4 is placed in a special graphite grinding tool, a high-iron mixed material is used as an interlayer for uniform filling, and then a one-way press is adopted for forming under 5-20 Pa;
sintering the S6 blank: and (3) placing the formed blank in a high-temperature sintering furnace for sintering, then cooling to room temperature along with the furnace, and discharging to obtain a finished product.
Example 6:
the preparation method of the embodiment 1-4 is consistent, and comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: uniformly adding the powder which is ground and dispersed in the S4 into a compression mould by taking iron powder as an interlayer for initial forming treatment, wherein the initial forming pressure is 10-30 MPa, and then carrying out isostatic pressing by using the pressure of 130-150 MPa to prepare an original blank;
sintering the S6 blank: and (3) placing the formed blank in a high-temperature sintering furnace for sintering, wherein the high-temperature sintering furnace is used for vacuum sintering, the vacuum degree in a vacuum state is kept between-10 KPa and-101.325 KPa in the heating process, when the temperature of the high-temperature sintering furnace is reduced to be below 200 ℃, vacuumizing is stopped, then the high-temperature sintering furnace is cooled to room temperature, and discharging is carried out, so that a finished product is obtained, and the XRD analysis result diagram of the finished product is shown in figure 3.
Example 7:
the preparation method of the embodiment 1-4 is consistent, and comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: uniformly adding the powder which is ground and dispersed in the S4 into a compression mould by taking iron powder as an interlayer for initial forming treatment, wherein the initial forming pressure is 10-30 MPa, and then carrying out isostatic pressing by using the pressure of 130-150 MPa to prepare an original blank;
sintering the S6 blank: placing the formed blank in a high-temperature sintering furnace for sintering, wherein the high-temperature sintering furnace is used for atmosphere protection sintering (the used atmosphere is nitrogen or argon), and the sintering process of placing the blank in the atmosphere protection furnace comprises the following steps: heating is carried out in a nitrogen or argon atmosphere, the atmosphere is introduced at the flow rate of 0.5-1.0L/min during heating, the temperature is raised to 750-1100 ℃ at the temperature rise rate of 1-4 ℃/min, and then the temperature is preserved for 3-6 hours; and naturally cooling to below 200 ℃, stopping introducing the atmosphere, then cooling to room temperature, and discharging to obtain a finished product, wherein the schematic diagram of the distribution of each component of the finished product is shown in figure 4.
Example 8:
the preparation method of the embodiment 1-4 is consistent, and comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: placing the material ground and dispersed in the S4 in a special graphite grinding tool, uniformly filling the material with a high-iron mixed material as an interlayer, and then molding the material by adopting a one-way press under 5-20 Pa;
sintering the S6 blank: the grinding tool for pre-pressing the materials is placed in a spark plasma sintering furnace for sintering, and the specific preparation process comprises the following steps: heating to 750-850 ℃ at a sintering heating rate of 20-50 ℃/min, simultaneously synchronously applying pressure to 40MPa, and preserving heat and pressure at 750-850 ℃ for 10-30 min; and then cooling to room temperature along with the furnace, and discharging the product after the temperature is reduced to be below 100 ℃, thereby obtaining a finished product, wherein the properties of the prepared finished product are shown in a table 3.
TABLE 3 Properties of the samples prepared
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The pyroxene-based metal Fe interlayer composite material is characterized by comprising the following components in parts by weight: 100 parts of powdery pyroxene phase glass water-quenched slag, 10-40 parts of pyroxene phase glass water-quenched slag reducing agent, 80-100 parts of iron powder and 10-40 parts of iron powder reducing agent.
2. A pyroxene based metal Fe sandwich composite material according to claim 1, characterized in that: the powdery pyroxene phase glass water-quenched slag is prepared from slag powder, wherein the slag powder comprises 40-60% of bayan obo iron tailings, 5-15% of quartz sand, 5-8% of borax and 3-8% of alumina.
3. A pyroxene based metal Fe sandwich composite material according to claim 1, characterized in that: the iron powder is reduced iron powder and Fe which are subjected to oxidation treatment by hydrogen peroxide, a microwave oven, a muffle furnace and air2O3Or ferrosilicon.
4. A pyroxene based metal Fe sandwich composite material according to claim 1, characterized in that: the pyroxene phase glass water quenching slag reducing agent and the iron powder reducing agent adopt one or two of ferrosilicon alloy, simple substance silicon, aluminum powder and carbon.
5. A preparation method of pyroxene-based metal Fe interlayer composite material comprises the following steps:
s1 initial compounding: weighing slag powder according to CMS-A10% pyroxene phase microcrystalline glass chemical components and mixing the materials;
s2, preparing water-quenched slag: and (2) melting the mixed material in the S1 in an alumina crucible or an electric melting furnace at 1450 ℃ for 2-5 hours to obtain completely molten glass liquid, then casting the glass liquid into flowing cold water at 0-5 ℃ to obtain a glass water quenching material, drying the obtained glass water quenching material in a drying furnace and a microwave drying furnace, and then grinding the glass water quenching material in a high-energy ball mill to 150-300 meshes to obtain the powdery pyroxene phase glass water quenching slag.
S3 blending again: mixing the powdery pyroxene phase glass water-quenched slag and a pyroxene phase glass water-quenched slag reducing agent according to a ratio, and mixing iron powder and an iron powder reducing agent according to a ratio;
s4 grinding the ingredients: respectively placing the materials mixed in the S3 in a high-energy ball milling tank, and carrying out ball milling for 2-5 hours at room temperature to uniformly disperse the powder;
s5, preparing an original blank: uniformly adding the powder which is ground and dispersed in the S4 into a compression mould by taking iron powder as an interlayer for initial forming treatment, wherein the initial forming pressure is 10-30 MPa, and then carrying out isostatic pressing by using the pressure of 130-150 MPa to prepare an original blank; or the material ground and dispersed in the S4 is placed in a special graphite grinding tool, a high-iron mixed material is used as an interlayer for uniform filling, and then a one-way press is adopted for forming under 5-20 Pa;
sintering the S6 blank: and (3) placing the formed blank in a high-temperature sintering furnace for sintering, then cooling to room temperature along with the furnace, and discharging to obtain a finished product.
6. The method of preparing a pyroxene based metal Fe interlayer composite material as claimed in claim 5, wherein: the high-temperature sintering furnace in the S6 adopts a vacuum sintering furnace, an atmosphere protection sintering furnace or a discharge plasma sintering furnace.
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