CN104328321B - A kind of high duty metal ceramic material and preparation method thereof - Google Patents
A kind of high duty metal ceramic material and preparation method thereof Download PDFInfo
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- CN104328321B CN104328321B CN201410566470.4A CN201410566470A CN104328321B CN 104328321 B CN104328321 B CN 104328321B CN 201410566470 A CN201410566470 A CN 201410566470A CN 104328321 B CN104328321 B CN 104328321B
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 88
- 239000002184 metal Substances 0.000 title claims abstract description 88
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 52
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 42
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 25
- 239000010439 graphite Substances 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 22
- 239000011733 molybdenum Substances 0.000 claims abstract description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 22
- 239000010937 tungsten Substances 0.000 claims abstract description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 21
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 21
- 239000011651 chromium Substances 0.000 claims abstract description 21
- 239000010941 cobalt Substances 0.000 claims abstract description 21
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 21
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000007731 hot pressing Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 230000000630 rising effect Effects 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000010348 incorporation Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 11
- 239000011195 cermet Substances 0.000 abstract description 18
- 238000005452 bending Methods 0.000 abstract description 14
- 230000000052 comparative effect Effects 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention belongs to cermet material field, the invention discloses a kind of high duty metal ceramic material and preparation method thereof, described cermet material includes zirconium dioxide 25 40 parts, cobalt silicide 23 32 parts, nickle silicide 19 35 parts, chromium boride 8 14 parts, ferrum 6 14 parts, molybdenum 47 parts, 35 parts of tungsten, 36 parts of graphite.The preparation method of described cermet material is: (1) is by mentioned component mixed at high speed；(2) the ceramic metal raw material ball mill after mix homogeneously is carried out ball milling；(3) metal ceramic powder is put in metal heat pressing stove after ball milling and carry out hot pressing, be high duty metal ceramic material after cooling.The cermet material prepared has good Vickers hardness and bending strength.
Description
Technical field
The invention belongs to cermet material field, relate to a kind of cermet material and preparation method thereof, particularly relate to a kind of high duty metal ceramic material and preparation method thereof.
Background technology
Owing to ceramic metal has high rigidity, high intensity, the advantage such as wear-resistant, high temperature resistant, there is boundless development prospect in national defence and civil area.Hard alloy be commercial Application the earliest, the maximum metalloid pottery of consumption, it is used widely at cutting element, grinding tool, the aspect such as wear-resisting, heat-resisting, anti-corrosion, and thereby promotes the ceramic-metallic development with oxide, boride, nitride, carbonitride ceramic as hard phase.
At present, ceramic-metallic primary articles has cutter, grinding tool, magnetic material heating element heater, anti-friction bearing, corrosion resistant component to be widely used on metallurgical production, turbine manufacture and rocketry.Ceramic-metallic hardness and bending strength are to investigate two important parameters of cermet material performance, conventional cermet material hardness and bending strength are relatively low, license notification number a kind of ceramic-metal composite that has been the disclosure of the invention of CN101871070, composite includes ilmenite powder, aluminium powder, graphite, and it has higher hardness and bending strength.
Summary of the invention
Solve the technical problem that: cermet material has very many advantages compared to single ceramic material and single metal material, but the hardness of the cermet material of routine and bending strength are the most relatively low, can not effectively improve the characteristic of cermet material, it is therefore desirable to a kind of new cermet material of high intensity and preparation method thereof.
Technical scheme: for the problems referred to above, the invention discloses a kind of high duty metal ceramic material and preparation method thereof, and described high duty metal ceramic material includes the composition of following weight parts:
Zirconium dioxide 25-40 part,
Cobalt silicide 23-32 part,
Nickle silicide 19-35 part,
Chromium boride 8-14 part,
Ferrum 6-14 part,
Molybdenum 4-7 part,
Tungsten 3-5 part,
Graphite 3-6 part.
Further, described a kind of high duty metal ceramic material, including the composition of following weight parts:
Zirconium dioxide 28-34 part,
Cobalt silicide 26-30 part,
Nickle silicide 22-27 part,
Chromium boride 10-13 part,
Ferrum 8-11 part,
Molybdenum 5-7 part,
Tungsten 3-4 part,
Graphite 3-5 part.
Further, described a kind of high duty metal ceramic material, including the composition of following weight parts:
Zirconium dioxide 31 parts,
Cobalt silicide 28 parts,
Nickle silicide 25 parts,
Chromium boride 12 parts,
Ferrum 10 parts,
Molybdenum 6 parts,
3 parts of tungsten,
4 parts of graphite.
A kind of preparation method of high duty metal ceramic material, step is as follows:
(1) take zirconium dioxide 25-40 part, cobalt silicide 23-32 part, nickle silicide 19-35 part, chromium boride 8-14 part, ferrum 6-14 part, molybdenum 4-7 part, tungsten 3-5 part, graphite 3-6 part the most respectively, mentioned component is first carried out premixing, after mixing, carry out mixed at high speed again；(2) the ceramic metal raw material ball mill after mix homogeneously is carried out ball milling；(3) metal ceramic powder is put in metal heat pressing stove after ball milling and carry out hot pressing, be high duty metal ceramic material after cooling.
Further, the preparation method of described a kind of high duty metal ceramic material, preparation method step is as follows:
(1) zirconium dioxide 25-40 part, cobalt silicide 23-32 part, nickle silicide 19-35 part, chromium boride 8-14 part, ferrum 6-14 part, molybdenum 4-7 part, tungsten 3-5 part, graphite 3-6 part are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 15min-35min；
(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 40:1-70:1, and drum's speed of rotation is 150-180r/min, and Ball-milling Time is 1.5-4.5h；
(3) metal ceramic powder is put in metal heat pressing stove after ball milling, nitrogen is poured in metal heat pressing stove, hot pressing furnace is heated up, heating rate is 25 DEG C/min, it is warming up to insulation 30-50min when 550 DEG C, rise to temperature according still further to the heating rate of 40 DEG C/min and be 820-860 DEG C, it is incubated 20min-40min again, rise to temperature according still further to the heating rate of 30 DEG C/min and be 1220-1360 DEG C, sintering time is 2-3h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
In the preparation method of described a kind of high duty metal ceramic material zirconium dioxide be 28-34 part, cobalt silicide be 26-30 part, nickle silicide be 22-27 part, chromium boride be 10-13 part, ferrum be 8-11 part, molybdenum be 5-7 part, tungsten be 3-4 part, graphite be 3-5 part.
In the preparation method of described a kind of high duty metal ceramic material, during ball milling, ratio of grinding media to material is 50:1.
Further, the preparation method step of described a kind of high duty metal ceramic material is as follows:
(1) zirconium dioxide 31 parts, cobalt silicide 28 parts, nickle silicide 25 parts, chromium boride 12 parts, ferrum 10 parts, molybdenum 6 parts, 3 parts of tungsten, 4 parts of graphite are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 20min；
(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 60:1, and drum's speed of rotation is 170r/min, and Ball-milling Time is 2.5h；
(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 40min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 850 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1310 DEG C, sintering time is 2.5h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Beneficial effect: the hardness of the cermet material of the present invention and bending strength are obtained for and significantly improve, hardness and bending strength higher than conventional cermet material, zirconium dioxide 25-40 part, cobalt silicide 23-32 part, nickle silicide 19-35 part, chromium boride 8-14 part, ferrum 6-14 part, molybdenum 4-7 part, tungsten 3-5 part, during graphite 3-6 part, hardness and the bending strength of cermet material are higher, when zirconium dioxide 31 parts, cobalt silicide 28 parts, nickle silicide 25 parts, chromium boride 12 parts, ferrum 10 parts, molybdenum 6 parts, 3 parts of tungsten, during 4 parts of graphite, hardness and the bending strength of the cermet material prepared are the highest.
Detailed description of the invention
Embodiment 1
(1) zirconium dioxide 25Kg, cobalt silicide 23Kg, nickle silicide 35Kg, chromium boride 14Kg, ferrum 14Kg, molybdenum 4Kg, tungsten 5Kg, graphite 3Kg are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 35min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 70:1, and drum's speed of rotation is 180r/min, and Ball-milling Time is 4.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 50min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 860 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1360 DEG C, sintering time is 2h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Embodiment 2
(1) zirconium dioxide 40Kg, cobalt silicide 32Kg, nickle silicide 19Kg, chromium boride 8Kg, ferrum 6Kg, molybdenum 7Kg, tungsten 3Kg, graphite 6Kg are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 15min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 40:1, and drum's speed of rotation is 150r/min, and Ball-milling Time is 1.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 30min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 820 DEG C, then is incubated 40min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1220 DEG C, sintering time is 3h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Embodiment 3
(1) zirconium dioxide 28Kg, cobalt silicide 30Kg, nickle silicide 27Kg, chromium boride 13Kg, ferrum 11Kg, molybdenum 5Kg, tungsten 3Kg, graphite 5Kg are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 35min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 70:1, and drum's speed of rotation is 180r/min, and Ball-milling Time is 4.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 50min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 860 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1360 DEG C, sintering time is 2h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Embodiment 4
(1) zirconium dioxide 34Kg, cobalt silicide 26Kg, nickle silicide 22Kg, chromium boride 10Kg, ferrum 8Kg, molybdenum 7Kg, tungsten 4Kg, graphite 3Kg are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 15min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 40:1, and drum's speed of rotation is 150r/min, and Ball-milling Time is 1.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 30min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 820 DEG C, then is incubated 40min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1220 DEG C, sintering time is 3h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Embodiment 5
(1) zirconium dioxide 31Kg, cobalt silicide 28Kg, nickle silicide 25Kg, chromium boride 12Kg, ferrum 10Kg, molybdenum 6Kg, tungsten 3Kg, graphite 4Kg are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 20min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 60:1, and drum's speed of rotation is 170r/min, and Ball-milling Time is 2.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 40min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 850 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1310 DEG C, sintering time is 2.5h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Comparative example 1
(1) taking zirconium dioxide 25Kg, chromium boride 14Kg, ferrum 14Kg, molybdenum 4Kg, tungsten 5Kg, graphite 3Kg the most respectively, mentioned component first carries out premixing, put in high-speed mixer after mixing, high-speed mixer rotating speed is 200r/min, and incorporation time is 35min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 70:1, and drum's speed of rotation is 180r/min, and Ball-milling Time is 4.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 50min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 860 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1360 DEG C, sintering time is 2h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Comparative example 2
(1) taking cobalt silicide 23Kg, nickle silicide 35Kg, ferrum 14Kg, molybdenum 4Kg, tungsten 5Kg, graphite 3Kg the most respectively, mentioned component first carries out premixing, put in high-speed mixer after mixing, high-speed mixer rotating speed is 200r/min, and incorporation time is 35min；(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 70:1, and drum's speed of rotation is 180r/min, and Ball-milling Time is 4.5h；(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 50min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 860 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1360 DEG C, sintering time is 2h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Comparative example 3
CN101871070: take ilmenite powder 49.91 Kg, aluminium powder 17.72 Kg, graphite 3.94 Kg, mixed powder is poured in ball grinder, ratio of grinding media to material 12: 1, ball milling 4 hours；Then, the powder after ball milling is put into exsiccator to be dried.Compound is loaded hot pressing graphite jig, puts into hot pressing furnace, logical nitrogen protection after evacuation.During heating up, first precompressed powder is once, then waits pressurization 21Mpa when arriving 1400 DEG C.Being incubated 30min under 1400 DEG C of pressurization 21MPa, finally cooling obtains ceramic-metal composite.
The numerical value of embodiment 1 to 5 and the hardness of contrast 1 to 3 and bending strength is as follows:
| Vickers hardness | Bending strength (MPa) | |
| Embodiment 1 | 1866 | 349 |
| Embodiment 2 | 1891 | 357 |
| Embodiment 3 | 1932 | 371 |
| Embodiment 4 | 1954 | 382 |
| Embodiment 5 | 2016 | 395 |
| Comparative example 1 | 1827 | 337 |
| Comparative example 2 | 1834 | 318 |
| Comparative example 3 | 1779 | 339 |
The Vickers hardness of the cermet material of embodiment 5 is 2016, and bending strength is 395, is significantly higher than other embodiments and the Vickers hardness of comparative example and bending strength, achieves unexpected raising cermet material Vickers hardness and the effect of bending strength.
Claims (5)
1. a high duty metal ceramic material, it is characterised in that described high duty metal ceramic material is grouped into by the one-tenth of following weight parts:
Zirconium dioxide
25-40 part,
Cobalt silicide
23-32 part,
Nickle silicide
19-35 part,
Chromium boride
8-14 part,
Ferrum
6-14 part,
Molybdenum
4-7 part,
Tungsten
3-5 part,
Graphite
3-6 part；
The preparation method of described a kind of high duty metal ceramic material, step is as follows:
(1) zirconium dioxide 25-40 part, cobalt silicide 23-32 part, nickle silicide 19-35 part, chromium boride 8-14 part, ferrum 6-14 part, molybdenum 4-7 part, tungsten 3-5 part, graphite 3-6 part are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 15min-35min；
(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 40:1-70:1, and drum's speed of rotation is 150-180r/min, and Ball-milling Time is 1.5-4.5h；
(3) metal ceramic powder is put in metal heat pressing stove after ball milling, nitrogen is poured in metal heat pressing stove, hot pressing furnace is heated up, heating rate is 25 DEG C/min, it is warming up to insulation 30-50min when 550 DEG C, rise to temperature according still further to the heating rate of 40 DEG C/min and be 820-860 DEG C, it is incubated 20min-40min again, rise to temperature according still further to the heating rate of 30 DEG C/min and be 1220-1360 DEG C, sintering time is 2-3h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
A kind of high duty metal ceramic material the most according to claim 1, it is characterised in that described high duty metal ceramic material is grouped into by the one-tenth of following weight parts:
Zirconium dioxide
28-34 part,
Cobalt silicide
26-30 part,
Nickle silicide
22-27 part,
Chromium boride
10-13 part,
Ferrum
8-11 part,
Molybdenum
5-7 part,
Tungsten
3-4 part,
Graphite
3-5 part.
A kind of high duty metal ceramic material the most according to claim 1, it is characterised in that described high duty metal ceramic material is grouped into by the one-tenth of following weight parts:
Zirconium dioxide
31 parts,
Cobalt silicide
28 parts,
Nickle silicide
25 parts,
Chromium boride
12 parts,
Ferrum
10 parts,
Molybdenum
6 parts,
Tungsten
3 parts,
Graphite
4 parts.
A kind of high duty metal ceramic material the most according to claim 1, it is characterised in that in the preparation method of described high duty metal ceramic material, during ball milling, ratio of grinding media to material is 50:1.
A kind of high duty metal ceramic material the most according to claim 1, it is characterised in that the preparation method step of described high duty metal ceramic material is as follows:
(1) zirconium dioxide 31 parts, cobalt silicide 28 parts, nickle silicide 25 parts, chromium boride 12 parts, ferrum 10 parts, molybdenum 6 parts, 3 parts of tungsten, 4 parts of graphite are taken the most respectively, mentioned component is first carried out premixing, put into after mixing in high-speed mixer, high-speed mixer rotating speed is 200r/min, and incorporation time is 20min；
(2) the ceramic metal raw material ball mill after mix homogeneously being carried out ball milling, during ball milling, ratio of grinding media to material is 60:1, and drum's speed of rotation is 170r/min, and Ball-milling Time is 2.5h；
(3) metal ceramic powder is put in metal heat pressing stove after ball milling, pouring nitrogen in metal heat pressing stove, heat up hot pressing furnace, heating rate is 25 DEG C/min, it is warming up to insulation 40min when 550 DEG C, rising to temperature according still further to the heating rate of 40 DEG C/min is 850 DEG C, then is incubated 20min, and rising to temperature according still further to the heating rate of 30 DEG C/min is 1310 DEG C, sintering time is 2.5h, being reduced to room temperature, rate of temperature fall is 25 DEG C/min, is high duty metal ceramic material after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566470.4A CN104328321B (en) | 2014-10-23 | 2014-10-23 | A kind of high duty metal ceramic material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410566470.4A CN104328321B (en) | 2014-10-23 | 2014-10-23 | A kind of high duty metal ceramic material and preparation method thereof |
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| CN107022709A (en) * | 2017-03-24 | 2017-08-08 | 淮北津奥铝业有限公司 | Vehicle body high strength composite |
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| CN105154750A (en) * | 2015-08-31 | 2015-12-16 | 苏州莱特复合材料有限公司 | Impact-resistant metal composite material for vehicle and preparation method thereof |
| CN105132784A (en) * | 2015-09-10 | 2015-12-09 | 苏州莱特复合材料有限公司 | Compression-resistant high-hardness composite metal ceramic material and preparation method thereof |
| CN105819836A (en) * | 2016-03-22 | 2016-08-03 | 苏州莱特复合材料有限公司 | Alumina-based nano ceramic material and preparation method thereof |
| CN105734381A (en) * | 2016-03-22 | 2016-07-06 | 苏州莱特复合材料有限公司 | Cermet material for high-strength mold and preparation method of cermet material |
| CN106048368A (en) * | 2016-06-22 | 2016-10-26 | 陆志强 | High-heat-resisting silicide base metal ceramic die and preparing method thereof |
| CN105886874A (en) * | 2016-06-23 | 2016-08-24 | 王莹 | High-strength wear-resistant silicide base metal ceramic bearing and preparation method thereof |
| CN106216592A (en) * | 2016-07-29 | 2016-12-14 | 余姚市巧迪电器厂 | A kind of high abrasion ceramic die and preparation method thereof |
| CN110218093A (en) * | 2019-06-21 | 2019-09-10 | 王群喜 | A kind of high intensity low-temperature sintered ceramics material and preparation method thereof |
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| GB788918A (en) * | 1953-06-09 | 1958-01-08 | Union Carbide Corp | Laminated ceramic articles and slip casting method of producing the same |
| AT245269B (en) * | 1962-11-20 | 1966-02-25 | Plansee Metallwerk | High temperature material |
| CN101798216B (en) * | 2010-03-23 | 2012-07-25 | 山东轻工业学院 | Zirconium oxide-based nano ceramic tool and die material added with titanium boride and preparation method thereof |
| CN101956117B (en) * | 2010-10-22 | 2011-12-07 | 山东轻工业学院 | Nano zirconia and micron tungsten carbide toughened and enhanced metal ceramic die material and preparation method thereof |
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Denomination of invention: High strength cermet material and preparation method thereof Effective date of registration: 20210823 Granted publication date: 20160914 Pledgee: Bank of China Limited by Share Ltd. Haian branch Pledgor: NANTONG ANGSHEN METAL MATERIALS Co.,Ltd. Registration number: Y2021980008122 |