CN116854451A - Bionic ceramic cutter and dispersion preparation process thereof - Google Patents

Bionic ceramic cutter and dispersion preparation process thereof Download PDF

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Publication number
CN116854451A
CN116854451A CN202310763432.7A CN202310763432A CN116854451A CN 116854451 A CN116854451 A CN 116854451A CN 202310763432 A CN202310763432 A CN 202310763432A CN 116854451 A CN116854451 A CN 116854451A
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slurry
sic
layer material
stirring
vol
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黄传真
李士杰
刘含莲
姚鹏
刘盾
邹斌
朱洪涛
王军
王真
徐龙华
黄水泉
曲美娜
许征凯
张迪嘉
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Shandong University
Yanshan University
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Shandong University
Yanshan University
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Abstract

The invention belongs to the technical field of ceramic cutters, and particularly relates to a bionic ceramic cutter and a dispersion preparation process thereof. The dispersion preparation process of the bionic ceramic cutter comprises the following steps: respectively preparing surface layer material raw material slurry and middle layer material raw material slurry; sequentially mixing the surface material raw material slurry, carrying out ultrasonic treatment and stirring while mixing, further adding PEG2000, and carrying out ultrasonic treatment and stirring to obtain the surface material composite slurry; ball milling, drying and sieving the surface material composite slurry to obtain a surface material; obtaining an intermediate layer material according to a preparation method of the surface layer material; the surface layer material and the middle layer material are sequentially and alternately laminated and filled into a graphite sleeve, and the bionic ceramic cutter is obtained after sintering, grinding and polishing. The invention realizes the technical problems of changing microcosmic action mechanisms of difficult-to-disperse phases and the like by adding the dispersing agent and improving the dispersing process flow, and improves the problem of difficult-to-disperse of the bionic ceramic cutter.

Description

Bionic ceramic cutter and dispersion preparation process thereof
Technical Field
The invention belongs to the technical field of ceramic cutters, and particularly relates to a bionic ceramic cutter and a dispersion preparation process thereof.
Background
The disclosure of this background section is only intended to increase the understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.
With the increasing wide application of high-strength high-temperature alloy in the fields of national defense and military industry, aerospace, electronic information, high-end equipment manufacturing and the like, the problems of increased cutting force, increased cutting temperature, reduced cutter durability and the like in the cutting process are prominent. Ceramic cutters are widely focused on the advantages of high hardness, good wear resistance and heat resistance, excellent chemical stability, high cutting speed and the like, and become novel, efficient, high-precision, energy-saving and environment-friendly products.
The ceramic cutter has the advantages of high hardness, high strength, high-speed cutting and the like, and the mechanical property of the ceramic cutter can be further enhanced by adding nano particles or whiskers into a ceramic matrix. However, the difficult-to-disperse phases such as whiskers, nano-particles and the like have the phenomena of agglomeration, coiling, entanglement and the like during powder preparation, so that the comprehensive mechanical property of the ceramic cutter is greatly reduced. The difficult-to-disperse phase has the problems of agglomeration, flexure, entanglement and the like because of different microcosmic action mechanisms, and the problems are represented by a steric hindrance theory, hydrogen bond or van der Waals force acting force and the like, wherein the effect of the steric hindrance theory is particularly outstanding. The prior art has been to disperse a powder material by first adding PEG2000 and an aqueous ammonia solution to an alcohol and aqueous solution as a dispersion, and adding the powder material to the dispersion (CN 110818395B). However, according to the research of the inventor, the method is complex, the effect is unstable, the whisker is unevenly dispersed, the agglomeration phenomenon still exists, and the coating effect is poor.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a bionic ceramic cutter and a dispersion preparation process thereof. The invention realizes the technical problems of changing microcosmic action mechanisms of difficult-to-disperse phases and the like by adding the dispersing agent and improving the dispersing process flow, and improves the problem of difficult-to-disperse of the bionic ceramic cutter.
In order to achieve the above object, the present invention is realized by the following technical scheme:
in a first aspect, the invention provides a dispersion preparation process of a bionic ceramic cutter, comprising the following steps:
s1, al is mixed with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in the separate partsIn the bulk medium, simultaneously carrying out ultrasonic treatment and stirring to respectively obtain Al 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Slurry and MgO slurry;
s2, mixing Al in turn 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, simultaneously carrying out ultrasonic treatment and stirring to obtain composite slurry 1, adding PEG2000 into the composite slurry 1, and carrying out ultrasonic treatment and stirring to obtain surface layer material composite slurry; ball milling, drying and sieving the surface material composite slurry to obtain a surface material;
s3, mixing Al in turn 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, simultaneously carrying out ultrasonic treatment and stirring to obtain composite slurry 2, adding PEG2000 into the composite slurry 2, and carrying out ultrasonic treatment and stirring to obtain intermediate layer material composite slurry; ball milling, drying and sieving the intermediate layer material composite slurry to obtain an intermediate layer material;
s4, sequentially and alternately laminating the surface layer material and the middle layer material into a graphite sleeve, and sintering, grinding and polishing to obtain the bionic ceramic cutter.
In a second aspect, the present invention provides a biomimetic ceramic tool obtained by a dispersion preparation process as described in the first aspect.
The beneficial effects obtained by one or more of the technical schemes of the invention are as follows:
1. according to the invention, PEG2000 is used as a dispersing agent, and the slurry is sequentially and stepwise added and mixed by ultrasonic stirring for a short time, so that the dispersing is more uniform, the effect is more stable, and the whole time consumption of the preparation process is shortened. Ultrasonic vibration and mechanical stirring can evenly separate the difficult-to-disperse phase to form independent micro-nano particles, and when PEG2000 is used as a dispersing agent, an adsorption layer with a certain thickness can be formed to coat the difficult-to-disperse phase, so that the difficult-to-disperse phase is prevented from collision aggregation.
2. The surface layer material and the bionic ceramic cutter obtained by the dispersion preparation process solve the problem of agglomeration of difficult-to-disperse phases, and the Vickers hardness and the bending strength are greatly improved.
3. The dispersion preparation process of the invention is not limited to researching SiC w 、SiC n 、TiC n The submicron and nanometer difficult-to-disperse phase is also applicable to the dispersion of micron particles, is also applicable to other particles with a certain length-diameter ratio, and is beneficial to the development of the bionic ceramic cutter dispersing process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is Al 2 O 3 (a) And SiC (SiC) w (b) Scanning electron microscope images of (2);
FIG. 2 is a scanning electron microscope (a) and an element distribution diagram (b) of the polished surface of the bionic ceramic cutter in comparative example 1;
FIG. 3 is a scanning electron microscope image of the polished surface (a) and fracture (b) of the bionic ceramic cutter of example 1;
fig. 4 is a comparison of mechanical properties of the homogenized a20S5S before modification in comparative example 1, the homogenized a20S5S after modification in example 1, and the biomimetic ceramic tool in example 1.
Detailed Description
In a first exemplary embodiment of the present invention, a dispersion preparation process of a bionic ceramic tool includes the following steps:
s1, al is mixed with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in a dispersion medium, and simultaneously ultrasonic and stirring are carried out to respectively obtain Al 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Slurry and MgO slurry;
s2, mixing Al in turn 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, and simultaneously carrying out ultrasonic treatment and stirring to obtain the compositeAdding PEG2000 into the composite slurry 1, and carrying out ultrasonic treatment and stirring to obtain surface layer material composite slurry; ball milling, drying and sieving the surface material composite slurry to obtain a surface material;
s3, mixing Al in turn 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, simultaneously carrying out ultrasonic treatment and stirring to obtain composite slurry 2, adding PEG2000 into the composite slurry 2, and carrying out ultrasonic treatment and stirring to obtain intermediate layer material composite slurry; ball milling, drying and sieving the intermediate layer material composite slurry to obtain an intermediate layer material;
s4, sequentially and alternately laminating the surface layer material and the middle layer material into a graphite sleeve, and sintering, grinding and polishing to obtain the bionic ceramic cutter.
In one or more embodiments of this embodiment, in step S1, the dispersion medium is absolute ethanol.
In one or more embodiments of this embodiment, in step S1, the time of simultaneous sonication and stirring is 20-40 minutes.
In one or more embodiments of this embodiment, in step S2, the composition of the skin material is 74% vol Al 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 0.5%vol MgO,PEG 2000 the mass is SiC w 、SiC n 2.5-3.5% of the total mass.
In one or more examples of this embodiment, in step S2, the mixing is performed with sonication and stirring for 5-10min, and PEG2000 is added and sonication and stirring is performed for 15-20min.
In one or more embodiments of this embodiment, in step S3, the interlayer material has a composition of 70-78% vol Al 2 O 3 、16-24％vol SiC w 、5％vol TiC n 、0.5％vol Y 2 O 3 0.5%vol MgO,PEG 2000 the mass is SiC w 、TiC n 2.5-3.5% of the total mass.
In one or more examples of this embodiment, in step S3, the mixing is performed with sonication and stirring for 5-10min, and PEG2000 is added and sonication and stirring is performed for 15-20min.
In one or more embodiments of this embodiment, in step S4, the layer materials of the surface layer and the intermediate layer are overlapped in sequence to have a singular number of layers of 3 or more, the surface layer material is disposed on the outermost layer, and the layer thickness ratio of the surface layer material to the intermediate layer material is 0.5 to 2.
In one or more embodiments of this embodiment, in step S4, the sintering temperature is 1600-1750 ℃, the sintering holding time is 10-40min, and the sintering pressure is 16-40MPa.
In a second exemplary embodiment of the present invention, a biomimetic ceramic tool is obtained by the dispersion preparation process as described in the first exemplary embodiment.
In order to enable those skilled in the art to more clearly understand the technical scheme of the present invention, the technical scheme of the present invention will be described in detail below with reference to specific examples and comparative examples.
Example 1
Al is added with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in absolute ethyl alcohol, and simultaneously ultrasonic and stirring are carried out for 30min, and Al is respectively obtained 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Slurry and MgO slurry.
According to 74% vol Al 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 The slurry and MgO slurry are mixed each time and simultaneously subjected to ultrasonic treatment and stirring for 5min; then adding SiC with the mass w 、SiC n PEG2000 accounting for 3 percent of the total mass, and carrying out ultrasonic treatment and stirring for 15min to obtain the surface layer material composite slurry. And ball milling, drying and sieving the surface material composite slurry to obtain the surface material, and marking the surface material as modified homogeneous A20S5S.
According to 74% vol Al 2 O 3 、20％vol SiC w 、5％vol TiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 The slurry and MgO slurry are mixed each time and simultaneously subjected to ultrasonic treatment and stirring for 5min; then adding SiC with the mass w 、TiC n PEG2000 accounting for 3 percent of the total mass, and carrying out ultrasonic treatment and stirring for 15min to obtain the intermediate layer material composite slurry. Ball milling, drying and sieving the intermediate layer material composite slurry to obtain the intermediate layer material.
And (3) filling the surface layer material and the middle layer material into a graphite sleeve according to the overlapping sequence of the surface layer material, the middle layer material and the surface layer material and the layer thickness ratio of 1:1, sintering at 1700 ℃ under 32Mpa, preserving heat for 30min, cooling to room temperature, and grinding and polishing to obtain the bionic ceramic cutter.
Comparative example 1
According to 74% vol Al 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 A homogeneous A20S5S raw material was prepared in a proportion of 0.5% by volume MgO.
297mL of ethanol (99 vol%), 3mL of distilled water (1 vol%) and 0.2g of PEG2000 were prepared as a dispersion, the dispersion was adjusted to an alkaline environment (pH=9) with ammonia water, magnetically stirred for 3 hours, and SiC was added separately w 、Y 2 O 3 MgO is added into the dispersion liquid, and the dispersion is carried out for 2 hours by using an ultrasonic cleaner and a stirrer to form uniform slurry.
The slurry is ball-milled for 72 hours to obtain Al 2 O 3 Pouring the materials into a polyethylene barrel together, adding alumina pellets with different particle sizes, and performing high-speed ball milling for 15 hours by using a planetary ball mill.
The slurry which is ball-milled evenly is poured into a stainless steel disc and put into a vacuum drying oven to be dried for 3 hours, and the drying temperature is 120 ℃. Then, the dried powder was passed through a 100-mesh stainless steel sieve to obtain a ceramic composite powder, which was designated as homogeneous a20S5S before modification.
Pouring ceramic cutter powder into a graphite die, and pressing with a press or a jack to form a cake blank, wherein the pressure of the pressing pressure is 8MPa.
And (3) loading the cake blank into a sintering furnace, carrying out vacuum hot-pressing sintering, wherein the vacuum degree in the furnace is required to be lower than 0.01MPa, heating to 200 ℃ at the heating rate of 40 ℃/min, preserving heat for 15min to extrude gas in a cavity, heating to 1400 ℃ at the heating rate of 30 ℃/min, starting to uniformly increase the pressure (the pressure increasing rate of the pressure is 2 MPa/min) when the material is softened when the temperature is heated to 1100 ℃, preserving heat and keeping the pressure for 5min at 1400 ℃, preserving heat for 30min after the temperature is increased to the set sintering temperature, continuing to uniformly increase the pressure (the pressure increasing rate of the pressure is 1.6 MPa/min), and cooling the sintered body along with the furnace after the heat preservation is finished, so as to obtain the bionic ceramic cutter.
As shown in FIG. 1, al 2 O 3 And SiC (SiC) w The raw materials are seriously agglomerated, and if the raw materials are not effectively dispersed, the performances of the composite material and the cutter are affected. As shown in FIG. 2, the ceramic tool obtained in comparative example 1 had a rough polished surface, and showed a remarkable whisker aggregation phenomenon, and the surface element distribution was uneven, indicating that the difficult-to-disperse phase was not well dispersed. As shown in FIG. 3, the polished surface of the ceramic tool obtained in example 1 is smooth, the grain boundary is clear and visible, each phase is uniformly distributed, no agglomeration phenomenon exists, and the grains are free from abnormal growth and coarsening phenomenon. As shown in fig. 4, compared with the homogenization before modification a20S5S in comparative example 1, the homogenization after modification a20S5S in example 1 and the prepared bionic ceramic cutter have significantly improved mechanical properties and more uniform dispersion.
Example 2
Al is added with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in absolute ethyl alcohol, and simultaneously ultrasonic and stirring are carried out for 40min, and Al is respectively obtained 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Slurry and MgO slurry.
According to 74% vol Al 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 The slurry and MgO slurry are mixed each time and simultaneously subjected to ultrasonic treatment and stirring for 10min; then adding SiC with the mass w 、SiC n PEG2000 accounting for 3.5 percent of the total mass, and carrying out ultrasonic treatment and stirring for 20 minutes to obtain the surface layer material composite slurry. And ball milling, drying and sieving the surface material composite slurry to obtain the surface material.
According to 70% vol Al 2 O 3 、24％vol SiC w 、5％vol TiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 The slurry and MgO slurry are mixed each time and simultaneously subjected to ultrasonic treatment and stirring for 10min; then adding SiC with the mass w 、TiC n PEG2000 accounting for 3.5 percent of the total mass, and carrying out ultrasonic treatment and stirring for 20 minutes to obtain the intermediate layer material composite slurry. Ball milling, drying and sieving the intermediate layer material composite slurry to obtain the intermediate layer material.
And (3) filling the surface layer material and the middle layer material into a graphite sleeve according to the overlapping sequence of the surface layer material, the middle layer material and the surface layer material and the layer thickness ratio of 2:1, sintering at 1750 ℃ under 40Mpa, preserving heat for 10min, cooling to room temperature, and grinding and polishing to obtain the bionic ceramic cutter.
Example 3
Al is added with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in absolute ethyl alcohol, and simultaneously ultrasonic and stirring are carried out for 20min, and Al is respectively obtained 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Slurry and MgO slurry.
According to 74% vol Al 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 Slurry and MgO slurry, each of whichUltrasonic and stirring are carried out for 5min while secondary mixing is carried out; then adding SiC with the mass w 、SiC n PEG2000 accounting for 2.5 percent of the total mass, and carrying out ultrasonic treatment and stirring for 20 minutes to obtain the surface layer material composite slurry. And ball milling, drying and sieving the surface material composite slurry to obtain the surface material.
According to 78% vol Al 2 O 3 、16％vol SiC w 、5％vol TiC n 、0.5％vol Y 2 O 3 Al is mixed in sequence with MgO in the proportion of 0.5%vol 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 The slurry and MgO slurry are mixed each time and simultaneously subjected to ultrasonic treatment and stirring for 5min; then adding SiC with the mass w 、TiC n PEG2000 accounting for 2.5 percent of the total mass, and carrying out ultrasonic treatment and stirring for 20 minutes to obtain the intermediate layer material composite slurry. Ball milling, drying and sieving the intermediate layer material composite slurry to obtain the intermediate layer material.
And (3) filling the surface layer material and the middle layer material into a graphite sleeve according to the overlapping sequence of the surface layer material, the middle layer material and the surface layer material and the layer thickness ratio of 1:2, sintering at 1600 ℃ under 16Mpa, preserving heat for 40min, cooling to room temperature, and grinding and polishing to obtain the bionic ceramic cutter.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The dispersion preparation process of the bionic ceramic cutter is characterized by comprising the following steps of:
s1, al is mixed with 2 O 3 、SiC w 、SiC n 、TiC n 、Y 2 O 3 And MgO are respectively dispersed in a dispersion medium, and simultaneously ultrasonic and stirring are carried out to respectively obtain Al 2 O 3 Slurry, siC w Slurry, siC n Slurry, tiC n Slurry, Y 2 O 3 Sizing agentMgO slurry;
s2, mixing Al in turn 2 O 3 Slurry, siC w Slurry, siC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, simultaneously carrying out ultrasonic treatment and stirring to obtain composite slurry 1, adding PEG2000 into the composite slurry 1, and carrying out ultrasonic treatment and stirring to obtain surface layer material composite slurry; ball milling, drying and sieving the surface material composite slurry to obtain a surface material;
s3, mixing Al in turn 2 O 3 Slurry, siC w Slurry, tiC n Slurry, Y 2 O 3 Mixing the slurry and MgO slurry, simultaneously carrying out ultrasonic treatment and stirring to obtain composite slurry 2, adding PEG2000 into the composite slurry 2, and carrying out ultrasonic treatment and stirring to obtain intermediate layer material composite slurry; ball milling, drying and sieving the intermediate layer material composite slurry to obtain an intermediate layer material;
s4, sequentially and alternately laminating the surface layer material and the middle layer material into a graphite sleeve, and sintering, grinding and polishing to obtain the bionic ceramic cutter.
2. The dispersion preparation process according to claim 1, wherein in step S1, the dispersion medium is absolute ethanol.
3. The dispersion preparation process according to claim 1, wherein in step S1, the time of simultaneous ultrasonic and agitation is 20 to 40 minutes.
4. The dispersion process according to claim 1, wherein in step S2, the composition of the surface layer material is 74% volAl 2 O 3 、20％vol SiC w 、5％vol SiC n 、0.5％vol Y 2 O 3 0.5%vol MgO,PEG 2000 the mass is SiC w 、SiC n 2.5-3.5% of the total mass.
5. The dispersion preparation process according to claim 1, wherein in step S2, the mixing is performed while the ultrasonic and stirring are performed for 5 to 10 minutes, and the PEG2000 is added and the ultrasonic and stirring are performed for 15 to 20 minutes.
6. The dispersion process according to claim 1, wherein in step S3, the composition of the intermediate layer material is 70-78% volAl 2 O 3 、16-24％vol SiC w 、5％vol TiC n 、0.5％volY 2 O 3 0.5%vol MgO,PEG 2000 the mass is SiC w 、TiC n 2.5-3.5% of the total mass.
7. The dispersion preparation process according to claim 1, wherein in step S3, the mixing is performed while the ultrasonic and stirring are performed for 5 to 10 minutes, and the PEG2000 is added and the ultrasonic and stirring are performed for 15 to 20 minutes.
8. The dispersion preparation process according to claim 1, wherein in step S4, the surface layer material and the intermediate layer material are sequentially overlapped in a single number of layers of 3 or more, the surface layer material is disposed in the outermost layer, and the layer thickness ratio of the surface layer material and the intermediate layer material is 0.5 to 2.
9. The dispersion preparation process according to claim 1, wherein in step S4, the sintering temperature is 1600-1750 ℃, the sintering heat preservation time is 10-40min, and the sintering pressure is 16-40MPa.
10. A biomimetic ceramic tool, characterized in that it is obtained by a dispersion preparation process according to any one of claims 1-9.
CN202310763432.7A 2023-06-26 2023-06-26 Bionic ceramic cutter and dispersion preparation process thereof Pending CN116854451A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106145957A (en) * 2016-07-06 2016-11-23 齐鲁工业大学 A kind of Si adding Graphene3n4base ceramic cutting tool material and preparation method thereof
CN106145958A (en) * 2016-07-06 2016-11-23 齐鲁工业大学 Si3N4/TiC/ Graphene composite ceramic tool material with Anisotropy and preparation method thereof
CN112456987A (en) * 2020-12-14 2021-03-09 齐鲁工业大学 Bionic laminated graphene composite ceramic cutter and preparation method thereof
CN112521132A (en) * 2020-12-07 2021-03-19 山东大学 Bionic ceramic tool preparation method and prepared bionic ceramic tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106145957A (en) * 2016-07-06 2016-11-23 齐鲁工业大学 A kind of Si adding Graphene3n4base ceramic cutting tool material and preparation method thereof
CN106145958A (en) * 2016-07-06 2016-11-23 齐鲁工业大学 Si3N4/TiC/ Graphene composite ceramic tool material with Anisotropy and preparation method thereof
CN112521132A (en) * 2020-12-07 2021-03-19 山东大学 Bionic ceramic tool preparation method and prepared bionic ceramic tool
CN112456987A (en) * 2020-12-14 2021-03-09 齐鲁工业大学 Bionic laminated graphene composite ceramic cutter and preparation method thereof

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