CN106636839A - High-strength composite metal ceramic and preparation method thereof - Google Patents
High-strength composite metal ceramic and preparation method thereof Download PDFInfo
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- CN106636839A CN106636839A CN201610914819.8A CN201610914819A CN106636839A CN 106636839 A CN106636839 A CN 106636839A CN 201610914819 A CN201610914819 A CN 201610914819A CN 106636839 A CN106636839 A CN 106636839A
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 239000000919 ceramic Substances 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 229910021342 tungsten silicide Inorganic materials 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010936 titanium Substances 0.000 claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 14
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims abstract description 12
- LPHBARMWKLYWRA-UHFFFAOYSA-N thallium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tl+3].[Tl+3] LPHBARMWKLYWRA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002679 ablation Methods 0.000 claims description 32
- 239000013618 particulate matter Substances 0.000 claims description 31
- 238000000875 high-speed ball milling Methods 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 14
- IOWOAQVVLHHFTL-UHFFFAOYSA-N technetium(vii) oxide Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Tc+7].[Tc+7] IOWOAQVVLHHFTL-UHFFFAOYSA-N 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- BWUXDKMMCZJFAB-UHFFFAOYSA-N oxotechnetium Chemical class [Tc]=O BWUXDKMMCZJFAB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052716 thallium Inorganic materials 0.000 claims description 3
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 229910052713 technetium Inorganic materials 0.000 abstract description 2
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 235000010215 titanium dioxide Nutrition 0.000 description 13
- 239000011195 cermet Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 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
- 239000001095 magnesium carbonate Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052572 stoneware Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- 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
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- 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
-
- 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
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a high-strength composite metal ceramic and a preparation method thereof. The high-strength composite metal ceramic consists of the following components in parts by weight: 20-25 parts of iron oxide, 15-20 parts of silicon dioxide, 5-10 parts of titanium dioxide, 10-15 parts of aluminium oxide, 5-8 parts of tungsten silicide, 2-5 parts of titanium, 2-5 parts of thallium trioxide and 2-5 parts of technetium heptoxide. The high-strength composite metal ceramic has easily accessible raw materials, is simple in production process and lowered in production cost, has the advantages of high temperature resistance, high bending strength and high hardness, is excellent in product property, and therefore can be well applied to such fields as engines.
Description
Technical field
The present invention relates to a kind of composite cermet, specifically a kind of high-intensity composite metal ceramics and preparation method thereof.
Background technology
Ceramics can be divided into, according to use, domestic ceramics, the art pottery, industrial ceramics etc..Wherein, industrial ceramics is divided into and building again
Build sanitary ceramics, chemical stoneware, electroceramics, special cermacis etc..Wherein, special cermacis product is mainly used in various modern industries and point
End science and technology, such as field such as space flight and aviation, nuclear industry, new forms of energy, defence and military, and be all badly in need of in each field substantial amounts of
New material, special cermacis due to excellent heat resistance, dielectric properties, anti-wear performance, heat-proof quality, piezoelectric property, thoroughly
Optical property is subject to the extensive attention of various countries.Special ceramic material has high alumina matter porcelain, magnesite matter porcelain, titanium magnesite matter porcelain, zircon
The polytype such as matter porcelain, lithium ceramic and ferrite, cermet.Cermet is a kind of composite, by metal and ceramics
Raw material is made, and has some advantages of metal and ceramics concurrently, and such as the former has preferable toughness and flexing resistance, and the latter has preferable
High temperature resistant, high intensity and antioxygenic property etc..Existing cermet still has complex manufacturing, production cost height, produces
The shortcoming of product low intensity.
The content of the invention
It is an object of the invention to provide a kind of high-intensity composite metal ceramics and preparation method thereof, to solve above-mentioned background
The problem proposed in technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of high-intensity composite metal ceramics, are made up of the component of following parts by weight：Iron oxide 20-25 parts, silica 1 5-
20 parts, titanium dioxide 5-10 parts, aluminum oxide 10-15 parts, tungsten silicide 5-8 parts, titanium 2-5 parts, thallic oxide 2-5 parts, technetium oxide
2-5 parts.
As further scheme of the invention：It is made up of the component of following parts by weight：22 parts of iron oxide, 18 parts of titanium dioxides
Silicon, 7 parts of titanium dioxide, 13 parts of aluminum oxide, 7 parts of tungsten silicides, 6 parts of titaniums, 3 parts of thallic oxides, 3 parts of technetium oxides.
A kind of preparation method of high-intensity composite metal ceramics, concretely comprises the following steps：（1）Each material is carried out respectively ball milling；
（2）Iron oxide, silica, titanium dioxide, aluminum oxide are put into calcining furnace, ablation 1-2h, 600-700 DEG C of ablation temperature；
（3）Upper step gains are put into pulverizer and are crushed, cross 80-100 mesh sieves, in being then placed in ball mill, 1200-
1500rpm high speed ball milling 1-1.5h, drying is crushed, and obtains particulate matter I；（4）Tungsten silicide, titanium, thallic oxide are put into calcining furnace
In, ablation 0.5-1h, 600-800 DEG C of ablation temperature；（5）Upper step gains are put into pulverizer and are crushed, cross 90-120
Mesh sieve, in being then placed in ball mill, adds technetium oxide, 2000-2500rpm high speed ball milling 1-2h, drying to crush, and obtains particulate matter
Ⅱ；（6）Particulate matter I and particulate matter II are put into ball mill, 4500-6000rpm high speed ball milling 0.5-1h obtain composite superfine
Powder；（7）Composite ultrafine powder is put into high temperature sintering furnace, first in 2500-3000 DEG C of pre-burning 1-2h of high temperature, then in 3200-
3-4h is sintered at 3500 DEG C, 2-3h is sintered at 3600-4200 DEG C afterwards, is got product.
As further scheme of the invention：The step（2）By iron oxide, silica, titanium dioxide, aluminum oxide
In being put into calcining furnace, ablation 1.2h, 650 DEG C of ablation temperature.
As further scheme of the invention：The step（3）Upper step gains are put into pulverizer and are crushed,
90 mesh sieves are crossed, in being then placed in ball mill, 1400rpm high speed ball milling 1.3h, drying is crushed, and obtains particulate matter I.
As further scheme of the invention：The step（4）Tungsten silicide, titanium, thallic oxide are put into calcining furnace
In, ablation 0.8h, 700 DEG C of ablation temperature.
As further scheme of the invention：The step（5）Upper step gains are put into pulverizer and are crushed,
100 mesh sieves are crossed, in being then placed in ball mill, adds technetium oxide, 2200rpm high speed ball milling 1.2h, drying to crush, obtain particulate matter
Ⅱ。
As further scheme of the invention：The step（6）Particulate matter I and particulate matter II are put into ball mill,
5000rpm high speed ball milling 0.6h, obtain composite ultrafine powder.
As further scheme of the invention：The step（7）Composite ultrafine powder is put into high temperature sintering furnace, is first existed
2800 DEG C of pre-burning 1.5h of high temperature, then sinter 3.5h at 3200 DEG C, sinter 2.5h at 3800 DEG C afterwards, get product
Compared with prior art, the invention has the beneficial effects as follows：
The high-intensity composite metal ceramic raw material of the present invention is easy to get, simple production process, reduces into product cost；And with height
The advantage that warm heat resisting temperature is high, bending strength is high, hardness is higher, good product performance can preferably be applied to the neck such as engine
Domain.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
Weigh 20 parts of iron oxide, 5 parts of silica 1,5 parts of titanium dioxide, 10 parts of aluminum oxide, 5 parts of tungsten silicide, 2 parts of titanium, three oxidations
Two 2 parts of thalliums, 2 parts of technetium oxide, it is standby；Each material is carried out respectively ball milling；By iron oxide, silica, titanium dioxide, aluminum oxide
In being put into calcining furnace, ablation 1h, 600 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 80 mesh sieves,
In being then placed in ball mill, 1200rpm high speed ball milling 1h, drying is crushed, and obtains particulate matter I；By tungsten silicide, titanium, thallic oxide
In being put into calcining furnace, ablation 0.5h, 600 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 90 mesh
Sieve, in being then placed in ball mill, adds technetium oxide, 2000rpm high speed ball milling 1h, drying to crush, and obtains particulate matter II；By particle
Thing I and particulate matter II are put into ball mill, 4500rpm high speed ball milling 0.5h, obtain composite ultrafine powder；Composite ultrafine powder is put into height
In warm sintering furnace, first in 2500 DEG C of pre-burning 1h of high temperature, 3h is then sintered at 3200 DEG C, sinter 2h at 3600 DEG C afterwards, i.e.,
Obtain finished product.
Embodiment 2
Weigh 25 parts of iron oxide, 20 parts of silica, 10 parts of titanium dioxide, 15 parts of aluminum oxide, 8 parts of tungsten silicide, 5 parts of titanium, three oxygen
Change 5 parts of two thallium, 5 parts of technetium oxide, it is standby；Each material is carried out respectively ball milling；By iron oxide, silica, titanium dioxide, oxidation
Aluminium is put into calcining furnace, ablation 2h, 700 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 100 mesh
Sieve, in being then placed in ball mill, 1500rpm high speed ball milling 1.5h, drying is crushed, and obtains particulate matter I；By tungsten silicide, titanium, three oxygen
Change two thalliums to be put into calcining furnace, ablation 1h, 800 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, mistake
120 mesh sieves, in being then placed in ball mill, add technetium oxide, 2500rpm high speed ball milling 2h, drying to crush, and obtain particulate matter II；Will
Particulate matter I and particulate matter II are put into ball mill, 6000rpm high speed ball milling 1h, obtain composite ultrafine powder；Composite ultrafine powder is put into
In high temperature sintering furnace, first in 3000 DEG C of pre-burning 2h of high temperature, 4h is then sintered at 3500 DEG C, sinters 3h at 4200 DEG C afterwards,
Get product.
Embodiment 3
Weigh 22 parts of iron oxide, 18 parts of silica, 7 parts of titanium dioxide, 13 parts of aluminum oxide, 7 parts of tungsten silicides, 6 parts of titaniums, 3 part three
Two thalliums, 3 parts of technetium oxides are aoxidized, it is standby；Each material is carried out respectively ball milling；By iron oxide, silica, titanium dioxide, oxidation
Aluminium is put into calcining furnace, ablation 1.2h, 650 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 90 mesh
Sieve, in being then placed in ball mill, 1400rpm high speed ball milling 1.3h, drying is crushed, and obtains particulate matter I；By tungsten silicide, titanium, three oxygen
Change two thalliums to be put into calcining furnace, ablation 0.8h, 700 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, mistake
100 mesh sieves, in being then placed in ball mill, add technetium oxide, 2200rpm high speed ball milling 1.2h, drying to crush, and obtain particulate matter II；
Particulate matter I and particulate matter II are put into ball mill, 5000rpm high speed ball milling 0.6h obtain composite ultrafine powder；By composite ultrafine powder
It is put into high temperature sintering furnace, first in 2800 DEG C of pre-burning 1.5h of high temperature, 3.5h is then sintered at 3200 DEG C, afterwards at 3800 DEG C
Sintering 2.5h, gets product.
Comparative example
Weigh 22 parts of iron oxide, 18 parts of silica, 7 parts of titanium dioxide, 13 parts of aluminum oxide, 7 parts of tungsten silicides, 6 parts of titaniums, 3 part three
Two thalliums are aoxidized, it is standby；Each material is carried out respectively ball milling；Iron oxide, silica, titanium dioxide, aluminum oxide are put into calcining
In stove, ablation 1.2h, 650 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 90 mesh sieves, Ran Houfang
In entering ball mill, 1400rpm high speed ball milling 1.3h, drying is crushed, and obtains particulate matter I；Tungsten silicide, titanium, thallic oxide are put into
In calcining furnace, ablation 0.8h, 700 DEG C of ablation temperature；Upper step gains are put into pulverizer and are crushed, cross 100 mesh sieves, so
After be put into ball mill, 2200rpm high speed ball milling 1.2h, drying, crush, obtain particulate matter II；Particulate matter I and particulate matter II are put
In entering ball mill, 5000rpm high speed ball milling 0.6h obtain composite ultrafine powder；Composite ultrafine powder is put into high temperature sintering furnace, is first existed
2800 DEG C of pre-burning 1.5h of high temperature, then sinter 3.5h at 3200 DEG C, sinter 2.5h at 3800 DEG C afterwards, get product.
Performance test, the performance test results such as following table are carried out to embodiment 1-3 and comparative example：
| Project | High-temperature heat-resistance temperature/DEG C | Hardness | Bending strength/MPa |
| Embodiment 1 | 2880 | 102 | 503 |
| Embodiment 2 | 2450 | 93 | 512 |
| Embodiment 3 | 3020 | 105 | 523 |
| Comparative example | 1020 | 90 | 201 |
Wherein, technetium oxide is with the addition of in embodiment 1-3, technetium oxide is not added with comparative example.As can be seen from the above table, addition oxidation
After technetium, the high-temperature heat-resistance temperature of the composite cermet and bending strength all significantly increase.
The high-intensity composite metal ceramic raw material of the present invention is easy to get, simple production process, reduces into product cost；And have
Have the advantages that high-temperature heat-resistance temperature is high, bending strength is high, hardness is higher, good product performance can preferably be applied to engine
Deng field.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Make a variety of changes.
Claims (9)
1. a kind of high-intensity composite metal is ceramic, it is characterised in that be made up of the component of following parts by weight：Iron oxide 20-25
Part, silica 1 5-20 parts, titanium dioxide 5-10 parts, aluminum oxide 10-15 parts, tungsten silicide 5-8 parts, titanium 2-5 parts, three oxidations two
Thallium 2-5 parts, technetium oxide 2-5 parts.
2. high-intensity composite metal according to claim 1 is ceramic, it is characterised in that by the component group of following parts by weight
Into：22 parts of iron oxide, 18 parts of silica, 7 parts of titanium dioxide, 13 parts of aluminum oxide, 7 parts of tungsten silicides, 6 parts of titaniums, 3 part of three oxidation two
Thallium, 3 parts of technetium oxides.
3. a kind of preparation method of the high-intensity composite metal ceramics as described in claim 1-2 is arbitrary, it is characterised in that concrete
Step is：(1) each material is carried out respectively ball milling；(2) iron oxide, silica, titanium dioxide, aluminum oxide are put into calcining furnace
In, ablation 1-2h, 600-700 DEG C of ablation temperature；(3) upper step gains are put into pulverizer and are crushed, cross 80-100 mesh
Sieve, in being then placed in ball mill, 1200-1500rpm high speed ball milling 1-1.5h, drying is crushed, and obtains particulate matter I；(4) by silication
Tungsten, titanium, thallic oxide are put into calcining furnace, ablation 0.5-1h, 600-800 DEG C of ablation temperature；(5) upper step gains are put into
Crushed in pulverizer, crossed 90-120 mesh sieves, in being then placed in ball mill, added technetium oxide, 2000-2500rpm clipping the balls
Mill 1-2h, drying is crushed, and obtains particulate matter II；(6) particulate matter I and particulate matter II are put into ball mill, 4500-6000rpm is high
Fast ball milling 0.5-1h, obtains composite ultrafine powder；(7) composite ultrafine powder is put into high temperature sintering furnace, first in 2500-3000 DEG C of high temperature
Pre-burning 1-2h, then sinters 3-4h at 3200-3500 DEG C, sinters 2-3h at 3600-4200 DEG C afterwards, gets product.
4. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (2)
Iron oxide, silica, titanium dioxide, aluminum oxide are put into calcining furnace, ablation 1.2h, 650 DEG C of ablation temperature.
5. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (3)
Upper step gains are put into pulverizer and are crushed, cross 90 mesh sieves, in being then placed in ball mill, 1400rpm high speed ball millings
1.3h, drying is crushed, and obtains particulate matter I.
6. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (4)
Tungsten silicide, titanium, thallic oxide are put into calcining furnace, ablation 0.8h, 700 DEG C of ablation temperature.
7. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (5)
Upper step gains are put into pulverizer and are crushed, cross 100 mesh sieves, in being then placed in ball mill, add technetium oxide,
2200rpm high speed ball milling 1.2h, drying is crushed, and obtains particulate matter II.
8. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (6)
Particulate matter I and particulate matter II are put into ball mill, 5000rpm high speed ball milling 0.6h obtain composite ultrafine powder.
9. the preparation method of high-intensity composite metal according to claim 1 ceramics, it is characterised in that the step (7)
Composite ultrafine powder is put into high temperature sintering furnace, first in 2800 DEG C of pre-burning 1.5h of high temperature, then 3.5h is sintered at 3200 DEG C, it
Afterwards 2.5h is sintered at 3800 DEG C, got product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957673A (en) * | 2019-03-05 | 2019-07-02 | 内蒙古科技大学 | A kind of iron concentrate cermet and preparation method thereof |
| CN115557776A (en) * | 2022-09-26 | 2023-01-03 | 安徽铁创新材料科技有限公司 | Preparation method, device and application of high-strength composite wheel-rail tackifying ceramic particles |
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| CN109957673A (en) * | 2019-03-05 | 2019-07-02 | 内蒙古科技大学 | A kind of iron concentrate cermet and preparation method thereof |
| CN115557776A (en) * | 2022-09-26 | 2023-01-03 | 安徽铁创新材料科技有限公司 | Preparation method, device and application of high-strength composite wheel-rail tackifying ceramic particles |
| CN115557776B (en) * | 2022-09-26 | 2023-05-09 | 安徽铁创新材料科技有限公司 | Preparation method, device and application of high-strength composite wheel-rail tackifying ceramic particles |
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