CN106011578A - Metal ceramic composite material and preparation method thereof - Google Patents
Metal ceramic composite material and preparation method thereof Download PDFInfo
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- CN106011578A CN106011578A CN201610295245.0A CN201610295245A CN106011578A CN 106011578 A CN106011578 A CN 106011578A CN 201610295245 A CN201610295245 A CN 201610295245A CN 106011578 A CN106011578 A CN 106011578A
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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
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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
Abstract
The invention provides a metal ceramic composite material and a preparation method thereof. The preparation method comprises the following steps that Arabia gum, lauryl sodium sulfate, tertiary butylhydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water are mixed and stirred and then are subjected to ultrasonic vibration; the mixture is added with aluminum oxide ceramic powder, silicon nitride ceramic powder and lecithin and continuously vibrated; the mixture is added into a mixer to be mixed, slurry is poured into a mold and placed on a plaster body to be formed, and a formed ceramic green body is put into a furnace to obtain a ceramic matrix; titanium powder, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, put into a disperser to be dispersed and put into a crucible; and the obtained ceramic matrix is put into the crucible, completely covered with a crucible cover, put into the mold, then placed in a vacuum hot-pressing sintering furnace to be sintered, taken out after being cooled and dried after being subjected to ultrasonic cleaning, so that the metal ceramic composite material is obtained. According to the metal ceramic composite material, the hardness is high, the heat shock resistance is also high, the hardness and the heat shock resistance are well combined, and meanwhile, the abrasion resistance is excellent.
Description
Technical field
The present invention relates to Material Field, be specifically related to a kind of ceramic-metal composite and preparation method thereof.
Background technology
Along with developing rapidly at high-tech, the kind of material gets more and more, and performance is more and more superior.Wherein the application of metal material and ceramic material is widely, ceramic material has high temperature resistant, wear-resistant, the advantages such as corrosion-resistant and high rigidity, but its fragility is higher, the crackle of tiny one the most easily makes its damaged fracture, poor toughness, metal material then has good toughness, but its heat-resisting quantity, mar proof and corrosion resistance are then well below ceramic material, therefore, if can combine both, obtain the advantage that they are common, it is made both to have had the high temperature resistant of ceramic material, wear-resistant, corrosion-resistant and high rigidity, have again the excellent toughness of metal material, then its range of application will become the most extensive, using effect is more preferably, service life is longer, it is relatively beneficial to economize on resources and cost-effective.
Summary of the invention
Solve the technical problem that:It is an object of the invention to provide a kind of ceramic-metal composite, have stronger hardness, thermal shock resistance is the strongest, and both are well combined, and abrasion resistance properties is good simultaneously.
Technical scheme:A kind of ceramic-metal composite, is prepared from weight portion by following component: aluminium oxide ceramics powder 30-50 part, silicon nitride ceramic 10-30 part, titanium valve 1-3 part, titanium tetrachloride 0.2-0.5 part, Radix Acaciae senegalis 1-3 part, sodium lauryl sulphate 1-2 part, potassium chloride 7-12 part, sodium chloride 6-10 part, calcium chloride 5-9 part, tert-butyl hydroquinone 0.1-0.2 part, lecithin 1-2 part, potassium sorbate 0.1-0.3 part, calcium propionate 0.1-0.2 part, cassia oil 0.5-1 part, deionized water 60-100 part.
Further preferred, described a kind of ceramic-metal composite, is prepared from weight portion by following component: aluminium oxide ceramics powder 35-45 part, silicon nitride ceramic 15-25 part, titanium valve 1.5-2.5 part, titanium tetrachloride 0.3-0.4 part, Radix Acaciae senegalis 1.5-2.5 part, sodium lauryl sulphate 1.3-1.7 part, potassium chloride 8-11 part, sodium chloride 7-9 part, calcium chloride 6-8 part, tert-butyl hydroquinone 0.11-0.16 part, lecithin 1.2-1.8 part, potassium sorbate 0.15-0.25 part, calcium propionate 0.11-0.17 part, cassia oil 0.6-0.9 part, deionized water 70-90 part.
The preparation method of above-mentioned ceramic-metal composite comprises the following steps:
Step 1: Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water are mixed, puts in Ultrasound Instrument after stirring 2-5 minute and carry out sonic oscillation 30-50 minute；
Step 2: add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continues vibration 10-20 minute；
Step 3: add in batch mixer, carry out batch mixing 23-25 hour；
Step 4: poured into by slurry in mould, is placed in molding on Gypsum Fibrosum body；
Step 5: the ceramic body of forming is put in stove, programming rate is 0.5-0.8 DEG C/min, is incubated 80-90 minute to when 120 DEG C, continues to be heated to 600 DEG C with the speed of 5-7 DEG C/min, finally it is warming up to 1600-1700 DEG C with the speed of 9-11 DEG C/min, is incubated 1.5-2.5 hour；
Step 6: titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperses 3-5 minute under rotating speed 1000-2000r/min, loads in crucible；
Step 7: ceramic matrix step 5 obtained is put in crucible, covers tightly lid, places in being placed on vacuum sintering funace in mould and is sintered, and vacuum is 0.70-0.85Pa, and temperature is 1100-1200 DEG C, and temperature retention time is 50-70 minute；
Step 8: take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
It is further preferred that mixing time is 3-4 minute in step 1, duration of oscillation is 35-45 minute.
It is further preferred that duration of oscillation is 15 minutes in step 2.
It is further preferred that mixing time is 23.5-24.5 hour in step 3.
Further preferred, in step 5, for the first time programming rate is 0.6-0.7 DEG C/min, and temperature retention time is 85 minutes for the first time, for the second time programming rate be 5.5-6.5 DEG C/min third time programming rate be 9.5-10.5 DEG C/min, being warming up to 1650 DEG C, temperature retention time is 2 hours.
It is further preferred that step 6 medium speed is 1500r/min, jitter time is 4 minutes.
It is further preferred that vacuum is 0.75-0.80Pa in step 7, temperature is 1150 DEG C, and temperature retention time is 60 minutes.
Beneficial effect:The ceramic-metal composite of the present invention is a kind of new structural material, has stronger hardness, close to 300MPa, thermal shock resistance is the strongest, shakes, have no and come off at 500 DEG C, being well combined, mar proof is strong simultaneously, and after friction 5km, wear extent minimum is only 1.9mg.
Detailed description of the invention
Embodiment 1
A kind of ceramic-metal composite, is prepared from weight portion by following component: 30 parts of aluminium oxide ceramics powder, silicon nitride ceramic 10 parts, titanium valve 1 part, titanium tetrachloride 0.2 part, Radix Acaciae senegalis 1 part, sodium lauryl sulphate 1 part, 7 parts of potassium chloride, 6 parts of sodium chloride, 5 parts of calcium chloride, tert-butyl hydroquinone 0.1 part, 1 part of lecithin, potassium sorbate 0.1 part, calcium propionate 0.1 part, cassia oil 0.5 part, deionized water 60 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 30 minutes after stirring 2 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 10 minutes；Add in batch mixer, carry out batch mixing 23 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.5 DEG C/min, it is incubated 80 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 5 DEG C/min, be finally warming up to 1600 DEG C with the speed of 9 DEG C/min, be incubated 1.5 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 3 minutes under rotating speed 1000r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.70Pa, and temperature is 1100 DEG C, and temperature retention time is 50 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Embodiment 2
A kind of ceramic-metal composite, is prepared from weight portion by following component: 35 parts of aluminium oxide ceramics powder, silicon nitride ceramic 15 parts, titanium valve 1.5 parts, titanium tetrachloride 0.3 part, Radix Acaciae senegalis 1.5 parts, sodium lauryl sulphate 1.3 parts, 8 parts of potassium chloride, 7 parts of sodium chloride, 6 parts of calcium chloride, tert-butyl hydroquinone 0.11 part, 1.2 parts of lecithin, potassium sorbate 0.15 part, calcium propionate 0.11 part, cassia oil 0.6 part, deionized water 70 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 35 minutes after stirring 3 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 15 minutes；Add in batch mixer, carry out batch mixing 23.5 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.6 DEG C/min, it is incubated 85 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 5.5 DEG C/min, be finally warming up to 1650 DEG C with the speed of 9.5 DEG C/min, be incubated 2 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 4 minutes under rotating speed 1500r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.75Pa, and temperature is 1150 DEG C, and temperature retention time is 60 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Embodiment 3
A kind of ceramic-metal composite, is prepared from weight portion by following component: 40 parts of aluminium oxide ceramics powder, silicon nitride ceramic 20 parts, titanium valve 2 parts, titanium tetrachloride 0.35 part, Radix Acaciae senegalis 2 parts, sodium lauryl sulphate 1.5 parts, 10 parts of potassium chloride, 8 parts of sodium chloride, 7 parts of calcium chloride, tert-butyl hydroquinone 0.15 part, 1.5 parts of lecithin, potassium sorbate 0.2 part, calcium propionate 0.15 part, cassia oil 0.75 part, deionized water 80 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 40 minutes after stirring 3.5 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 15 minutes；Add in batch mixer, carry out batch mixing 24 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.6 DEG C/min, it is incubated 85 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 5-7 DEG C/min, be finally warming up to 1650 DEG C with the speed of 10 DEG C/min, be incubated 2 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 4 minutes under rotating speed 1500r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.78Pa, and temperature is 1150 DEG C, and temperature retention time is 60 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Embodiment 4
A kind of ceramic-metal composite, is prepared from weight portion by following component: 45 parts of aluminium oxide ceramics powder, silicon nitride ceramic 25 parts, titanium valve 2.5 parts, titanium tetrachloride 0.4 part, Radix Acaciae senegalis 2.5 parts, sodium lauryl sulphate 1.7 parts, 11 parts of potassium chloride, 9 parts of sodium chloride, 8 parts of calcium chloride, tert-butyl hydroquinone 0.16 part, 1.8 parts of lecithin, potassium sorbate 0.25 part, calcium propionate 0.17 part, cassia oil 0.9 part, deionized water 90 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 45 minutes after stirring 4 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 15 minutes；Add in batch mixer, carry out batch mixing 24.5 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.7 DEG C/min, it is incubated 85 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 6.5 DEG C/min, be finally warming up to 1650 DEG C with the speed of 10.5 DEG C/min, be incubated 2 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 4 minutes under rotating speed 1500r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.80Pa, and temperature is 1150 DEG C, and temperature retention time is 60 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Embodiment 5
A kind of ceramic-metal composite, is prepared from weight portion by following component: 50 parts of aluminium oxide ceramics powder, silicon nitride ceramic 30 parts, titanium valve 3 parts, titanium tetrachloride 0.5 part, Radix Acaciae senegalis 3 parts, sodium lauryl sulphate 2 parts, 12 parts of potassium chloride, 10 parts of sodium chloride, 9 parts of calcium chloride, tert-butyl hydroquinone 0.2 part, 2 parts of lecithin, potassium sorbate 0.3 part, calcium propionate 0.2 part, cassia oil 1 part, deionized water 100 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 50 minutes after stirring 5 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 20 minutes；Add in batch mixer, carry out batch mixing 25 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.8 DEG C/min, it is incubated 90 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 7 DEG C/min, be finally warming up to 1700 DEG C with the speed of 11 DEG C/min, be incubated 2.5 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 5 minutes under rotating speed 2000r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.85Pa, and temperature is 1200 DEG C, and temperature retention time is 70 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Comparative example 1
The present embodiment is not contain titanium tetrachloride with the difference of embodiment 5.Specifically:
A kind of ceramic-metal composite, is prepared from weight portion by following component: 50 parts of aluminium oxide ceramics powder, silicon nitride ceramic 30 parts, titanium valve 3 parts, Radix Acaciae senegalis 3 parts, sodium lauryl sulphate 2 parts, 12 parts of potassium chloride, 10 parts of sodium chloride, 9 parts of calcium chloride, tert-butyl hydroquinone 0.2 part, 2 parts of lecithin, potassium sorbate 0.3 part, calcium propionate 0.2 part, cassia oil 1 part, deionized water 100 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 50 minutes after stirring 5 minutes；Add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continue vibration 20 minutes；Add in batch mixer, carry out batch mixing 25 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.8 DEG C/min, it is incubated 90 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 7 DEG C/min, be finally warming up to 1700 DEG C with the speed of 11 DEG C/min, be incubated 2.5 hours；Titanium valve, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 5 minutes under rotating speed 2000r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.85Pa, and temperature is 1200 DEG C, and temperature retention time is 70 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Comparative example 2
The present embodiment is not contain silicon nitride ceramic with the difference of embodiment 5, replaces with aluminium oxide ceramics powder.Specifically:
A kind of ceramic-metal composite, is prepared from weight portion by following component: 80 parts of aluminium oxide ceramics powder, titanium valve 3 parts, titanium tetrachloride 0.5 part, Radix Acaciae senegalis 3 parts, sodium lauryl sulphate 2 parts, 12 parts of potassium chloride, 10 parts of sodium chloride, 9 parts of calcium chloride, tert-butyl hydroquinone 0.2 part, 2 parts of lecithin, potassium sorbate 0.3 part, calcium propionate 0.2 part, cassia oil 1 part, deionized water 100 parts.
The preparation method of above-mentioned ceramic-metal composite is: first Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water is mixed, puts into and carry out sonic oscillation in Ultrasound Instrument 50 minutes after stirring 5 minutes；Add aluminium oxide ceramics powder and lecithin, continue vibration 20 minutes；Add in batch mixer, carry out batch mixing 25 hours, slurry is poured in mould, being placed in molding on Gypsum Fibrosum body, put in stove by the ceramic body of forming, programming rate is 0.8 DEG C/min, it is incubated 90 minutes to when 120 DEG C, continue to be heated to 600 DEG C with the speed of 7 DEG C/min, be finally warming up to 1700 DEG C with the speed of 11 DEG C/min, be incubated 2.5 hours；Titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperse 5 minutes under rotating speed 2000r/min, load in crucible；Ceramic matrix obtained above is put in crucible, covers tightly lid, place in mould is placed on vacuum sintering funace and be sintered, vacuum is 0.85Pa, and temperature is 1200 DEG C, and temperature retention time is 70 minutes, take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
Each performance indications of material of the present invention see table, and we can see that the big present invention has stronger hardness, nearly 300MPa, thermal shock resistance is the strongest, shakes, have no and come off at 500 DEG C, being well combined, mar proof is strong simultaneously, and after friction 5km, wear extent minimum is only 1.9mg.
The performance indications of table 1 ceramic-metal composite
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | |
| Hardness (MPa) | 295 | 296 | 297 | 298 | 297 | 294 | 281 |
| Thermal shock resistance/500 DEG C | Do not fall off | Do not fall off | Do not fall off | Do not fall off | Do not fall off | Do not fall off | Partial exfoliation |
| Wear extent (mg) | 2.1 | 2.0 | 2.0 | 1.9 | 2.0 | 2.3 | 2.0 |
Note: the mensuration of wear extent: frictional distance is 5km.
Claims (10)
1. a ceramic-metal composite, it is characterised in that: it is prepared from weight portion by following component: aluminium oxide ceramics powder 30-50 part, silicon nitride ceramic 10-30 part, titanium valve 1-3 part, titanium tetrachloride 0.2-0.5 part, Radix Acaciae senegalis 1-3 part, sodium lauryl sulphate 1-2 part, potassium chloride 7-12 part, sodium chloride 6-10 part, calcium chloride 5-9 part, tert-butyl hydroquinone 0.1-0.2 part, lecithin 1-2 part, potassium sorbate 0.1-0.3 part, calcium propionate 0.1-0.2 part, cassia oil 0.5-1 part, deionized water 60-100 part.
A kind of ceramic-metal composite the most according to claim 1, it is characterized in that: be prepared from weight portion by following component: aluminium oxide ceramics powder 35-45 part, silicon nitride ceramic 15-25 part, titanium valve 1.5-2.5 part, titanium tetrachloride 0.3-0.4 part, Radix Acaciae senegalis 1.5-2.5 part, sodium lauryl sulphate 1.3-1.7 part, potassium chloride 8-11 part, sodium chloride 7-9 part, calcium chloride 6-8 part, tert-butyl hydroquinone 0.11-0.16 part, lecithin 1.2-1.8 part, potassium sorbate 0.15-0.25 part, calcium propionate 0.11-0.17 part, cassia oil 0.6-0.9 part, deionized water 70-90 part.
3. a kind of ceramic-metal composite as claimed in claim 1, it is characterised in that: described aluminium oxide ceramics powder footpath is 0.5-1 μm.
4. the preparation method of a kind of ceramic-metal composite described in any one of claim 1 to 2, it is characterised in that: comprise the following steps:
Step 1: Radix Acaciae senegalis, sodium lauryl sulphate, tert-butyl hydroquinone, potassium sorbate, calcium propionate, cassia oil and deionized water are mixed, puts in Ultrasound Instrument after stirring 2-5 minute and carry out sonic oscillation 30-50 minute；
Step 2: add aluminium oxide ceramics powder, silicon nitride ceramic and lecithin, continues vibration 10-20 minute；
Step 3: add in batch mixer, carry out batch mixing 23-25 hour；
Step 4: poured into by slurry in mould, is placed in molding on Gypsum Fibrosum body；
Step 5: the ceramic body of forming is put in stove, programming rate is 0.5-0.8 DEG C/min, is incubated 80-90 minute to when 120 DEG C, continues to be heated to 600 DEG C with the speed of 5-7 DEG C/min, finally it is warming up to 1600-1700 DEG C with the speed of 9-11 DEG C/min, is incubated 1.5-2.5 hour；
Step 6: titanium valve, titanium tetrachloride, potassium chloride, sodium chloride and calcium chloride are mixed, puts in dispersion machine and disperses 3-5 minute under rotating speed 1000-2000r/min, loads in crucible；
Step 7: ceramic matrix step 5 obtained is put in crucible, covers tightly lid, places in being placed on vacuum sintering funace in mould and is sintered, and vacuum is 0.70-0.85Pa, and temperature is 1100-1200 DEG C, and temperature retention time is 50-70 minute；
Step 8: take out after cooling, carry out ultrasonic cleaning post-drying and get final product.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterised in that: in described step 1, mixing time is 3-4 minute, and duration of oscillation is 35-45 minute.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterised in that: in described step 2, duration of oscillation is 15 minutes.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterised in that: in described step 3, mixing time is 23.5-24.5 hour.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterized in that: in described step 5, programming rate is 0.6-0.7 DEG C/min for the first time, temperature retention time is 85 minutes for the first time, for the second time programming rate be 5.5-6.5 DEG C/min third time programming rate be 9.5-10.5 DEG C/min, being warming up to 1650 DEG C, temperature retention time is 2 hours.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterised in that: described step 6 medium speed is 1500r/min, and jitter time is 4 minutes.
The preparation method of a kind of ceramic-metal composite the most according to claim 4, it is characterised in that: in described step 7, vacuum is 0.75-0.80Pa, and temperature is 1150 DEG C, and temperature retention time is 60 minutes.
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