CN109355521A - A kind of preparation method of titanium diboride Base Metal composite material - Google Patents
A kind of preparation method of titanium diboride Base Metal composite material Download PDFInfo
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- CN109355521A CN109355521A CN201811063172.8A CN201811063172A CN109355521A CN 109355521 A CN109355521 A CN 109355521A CN 201811063172 A CN201811063172 A CN 201811063172A CN 109355521 A CN109355521 A CN 109355521A
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- composite material
- metal composite
- titanium diboride
- base metal
- titanium
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- 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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- 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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- 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
- C22C29/14—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on borides
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- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of preparation methods of titanium diboride Base Metal composite material, include: to carry out ingredient by following mass percent: titanium diboride is 70~80%, titanium carbide 10~20%, titanium base alloy powder are 5~10%, are uniformly mixed, add appropriate dehydrated alcohol, using agate ball as mixing medium, 20~28h of mixing, drying, it is ground to certain fineness, obtains mixed-powder；By mixed-powder, with punching block, the compression moulding under 30~50Mpa pressure obtains cuboid green compact, then with cold isostatic press 1~5min of pressure maintaining, obtains green compact；Above-mentioned green compact is placed in inert atmosphere and is kept the temperature, forming agent is removed, then proceedes to heating roasting, heat preservation obtains titanium diboride Base Metal composite material.Titanium diboride Base Metal composite material consistency in the present invention is high, by the way that titanium base alloy powder is added, can not only improve the bending strength of titanium diboride Base Metal composite material, and can also improve its fracture toughness.
Description
Technical field
The present invention relates to metallic composite technical fields, more particularly to a kind of titanium diboride Base Metal composite material
Preparation method.
Background technique
Titanium diboride has excellent comprehensive performance, and fusing point and hardness are high, thermal stability, inoxidizability, corrosion resistance and
Wear-resisting property is good, is acknowledged as great promotion price in field of new materials such as composite material, cermets as excellent hard phase
The new and high technology material of value and application prospect.In recent years, vast researcher passes through to addition metal sintering additive preparation
Titanium diboride based ceramic metal studies have shown that titanium diboride based ceramic metal have high red hardness, good fracture
Toughness, thermal fatigue resistance, thermal shock resistance, hardness-fracture toughness combination are better than general hard alloy, and have anti-crescent moon
Hollow and antisticking ability.Compared with other ceramic materials, when processing ferroalloy, there is good thermal conductivity, do not closed with iron
Gold reacts, and is suitable for high speed processing, in finishing medium carbon steel, spheroidal graphite cast-iron, alusil alloy and processing ferroalloy etc.
Aspect has a good application prospect.In addition, titanium diboride based ceramic metal has outstanding corrosion resistance and wear-resisting property,
It, which is more widely applied still, has to be developed and explores.
The titanium diboride based ceramic metal currently prepared, since the content of the metallic addition of addition is usually no more than total matter
The 10% of amount, so that although titanium diboride based ceramic metal possesses high rigidity, but bending strength and fracture toughness are lower.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of preparation method of titanium diboride Base Metal composite material, energy
Enough solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of titanium diboride Base Metal composite material, the preparation methods
Include:
(1) by following mass percent carry out ingredient: titanium diboride be 80~90%, titanium base alloy powder be 10~
20%, it is uniformly mixed, adds appropriate dehydrated alcohol, using agate ball as mixing medium, 20~28h of mixing, drying is ground to one
Determine fineness, obtains mixed-powder；
(2) in mass ratio, by mixed-powder: forming agent=100:1~5 are uniformly mixed, and are pressed using punching block in 30~50Mpa
Compression moulding obtains cuboid green compact under power, then with cold isostatic press 1~5min of pressure maintaining, obtains green compact；
(3) above-mentioned green compact is placed in 1~2h of heat preservation in 500~600 DEG C of inert atmosphere, forming agent is removed, then proceedes to
800~1000 DEG C of 1~2h of roasting are warming up to, 30~50min is kept the temperature, obtains titanium diboride Base Metal composite material.
Preferably, in step (1), the titanium base alloy powder includes titanium, nickel, the molybdenum that mass ratio is 3~5:1:1.
Preferably, in step (1), the dehydrated alcohol accounts for the 3~8% of the mixed-powder weight.
Preferably, in step (1), the average particle size of the mixed-powder is 0.1~1 μm.
Preferably, in step (1), drying temperature is 110 DEG C.
Preferably, in step (2), the forming agent is paraffin.
Preferably, in step (2), the mass ratio of mixed-powder and forming agent is 100:3.
Preferably, in step (3), inert atmosphere is nitrogen atmosphere or argon atmosphere.
Compared with the prior art, the advantages of the present invention are as follows: the titanium diboride Base Metal composite material in the present invention is fine and close
Degree is high, by addition titanium base alloy powder, can not only improve the bending strength of titanium diboride Base Metal composite material, but also
Its fracture toughness can be improved.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method of titanium diboride Base Metal composite material, and the preparation method includes:
(1) by following mass percent carry out ingredient: titanium diboride be 80~90%, titanium base alloy powder be 10~
20%, it is uniformly mixed, adds appropriate dehydrated alcohol, using agate ball as mixing medium, 20~28h of mixing, drying is ground to one
Determine fineness, obtains mixed-powder；
(2) in mass ratio, by mixed-powder: forming agent=100:1~5 are uniformly mixed, and are pressed using punching block in 30~50Mpa
Compression moulding obtains cuboid green compact under power, then with cold isostatic press 1~5min of pressure maintaining, obtains green compact；
(3) above-mentioned green compact is placed in 1~2h of heat preservation in 500~600 DEG C of inert atmosphere, forming agent is removed, then proceedes to
800~1000 DEG C of 1~2h of roasting are warming up to, 30~50min is kept the temperature, obtains titanium diboride Base Metal composite material.
Wherein, in step (1), the titanium base alloy powder includes titanium, nickel, the molybdenum that mass ratio is 3~5:1:1, preferably
, the titanium base alloy powder includes titanium, nickel, the molybdenum that mass ratio is 4:1:1；The dehydrated alcohol accounts for the mixed-powder weight
The 3~8% of amount, it is preferred that the dehydrated alcohol accounts for the 5% of the mixed-powder weight；The average particle size of the mixed-powder
It is 0.1~1 μm, it is preferred that the average particle size of the mixed-powder is 0.5 μm；Drying temperature is 110 DEG C.
Wherein, in step (2), the forming agent is paraffin；The mass ratio of mixed-powder and forming agent is 100:3.
Wherein, in step (3), inert atmosphere is nitrogen atmosphere or argon atmosphere.
It is following to be illustrated with specifically embodiment, to prepare the titanium diboride Base Metal composite material in the present invention.
Embodiment 1
(1) ingredient: titanium diboride 80% is carried out by following mass percent, titanium base alloy powder 20%, mixing is
It is even, appropriate dehydrated alcohol is added, using agate ball as mixing medium, mixing 20h, drying is ground to certain fineness, is averaged
The mixed-powder that granularity is 0.1 μm, the titanium base alloy powder include titanium, nickel, the molybdenum that mass ratio is 3:1:1；
(2) in mass ratio, by mixed-powder: forming agent=100:1 is uniformly mixed, and is pushed using punching block in 30Mpa pressure
The type of being made obtains cuboid green compact, then with cold isostatic press pressure maintaining 1min, obtains green compact；
(3) above-mentioned green compact is placed in 500 DEG C of argon atmosphere and keeps the temperature 1h, removed forming agent, then proceed to be warming up to 800
DEG C roasting 1~2h, keep the temperature 30min, obtain titanium diboride Base Metal composite material.
Embodiment 2
(1) ingredient: titanium diboride 85% is carried out by following mass percent, titanium base alloy powder 15%, mixing is
It is even, appropriate dehydrated alcohol is added, using agate ball as mixing medium, for 24 hours, drying is ground to certain fineness, is averaged mixing
The mixed-powder that granularity is 0.5 μm, the titanium base alloy powder include titanium, nickel, the molybdenum that mass ratio is 4:1:1；
(2) in mass ratio, by mixed-powder: forming agent=100:3 is uniformly mixed, and is pushed using punching block in 40Mpa pressure
The type of being made obtains cuboid green compact, then with cold isostatic press pressure maintaining 3min, obtains green compact；
(3) above-mentioned green compact is placed in 550 DEG C of argon atmosphere and keeps the temperature 1.5h, removed forming agent, then proceed to be warming up to
900 DEG C of roasting 1.5h keep the temperature 40min, obtain titanium diboride Base Metal composite material.
Embodiment 3
(1) ingredient: titanium diboride 90% is carried out by following mass percent, titanium base alloy powder 10%, mixing is
It is even, appropriate dehydrated alcohol is added, using agate ball as mixing medium, mixing 28h, drying is ground to certain fineness, is averaged
The mixed-powder that granularity is 1 μm, the titanium base alloy powder include titanium, nickel, the molybdenum that mass ratio is 5:1:1；
(2) in mass ratio, by mixed-powder: forming agent=100:5 is uniformly mixed, and is pushed using punching block in 50Mpa pressure
The type of being made obtains cuboid green compact, then with cold isostatic press pressure maintaining 5min, obtains green compact；
(3) above-mentioned green compact is placed in 600 DEG C of argon atmosphere and keeps the temperature 2h, removed forming agent, then proceed to be warming up to
1000 DEG C of roasting 2h keep the temperature 50min, obtain titanium diboride Base Metal composite material.
In the titanium diboride Base Metal composite material being prepared according to the method in above-described embodiment 1~3, pass through addition
Titanium base alloy powder can not only improve the bending strength of titanium diboride Base Metal composite material, and can also improve its fracture
Toughness.The titanium diboride Base Metal composite material is tested using scanning electron microscope, the results showed that, the titanium diboride Base Metal
Composite material crystal grain distribution is uniform, consistency is high；To the bending strength and fracture toughness of the titanium diboride Base Metal composite material
It is tested, the results showed that, the fracture toughness of the cermet material is up to 8~10MPam1/2, bending strength up to 500~
900MPa。
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (8)
1. a kind of preparation method of titanium diboride Base Metal composite material, which is characterized in that the preparation method includes:
(1) carry out ingredient by following mass percent: titanium diboride is 80~90%, and titanium base alloy powder is 10~20%, is mixed
It closes uniformly, adds appropriate dehydrated alcohol, using agate ball as mixing medium, 20~28h of mixing, drying is ground to certain fineness,
Obtain mixed-powder；
(2) in mass ratio, by mixed-powder: forming agent=100:1~5 are uniformly mixed, using punching block under 30~50Mpa pressure
Compression moulding obtains cuboid green compact, then with cold isostatic press 1~5min of pressure maintaining, obtains green compact；
(3) above-mentioned green compact is placed in 1~2h of heat preservation in 500~600 DEG C of inert atmosphere, forming agent is removed, then proceedes to heat up
To 800~1000 DEG C of 1~2h of roasting, 30~50min is kept the temperature, titanium diboride Base Metal composite material is obtained.
2. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (1)
In, the titanium base alloy powder includes titanium, nickel, the molybdenum that mass ratio is 3~5:1:1.
3. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (1)
In, the dehydrated alcohol accounts for the 3~8% of the mixed-powder weight.
4. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (1)
In, the average particle size of the mixed-powder is 0.1~1 μm.
5. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (1)
In, drying temperature is 110 DEG C.
6. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (2)
In, the forming agent is paraffin.
7. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (2)
In, the mass ratio of mixed-powder and forming agent is 100:3.
8. the preparation method of titanium diboride Base Metal composite material according to claim 1, which is characterized in that step (3)
In, inert atmosphere is nitrogen atmosphere or argon atmosphere.
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| CN201811063172.8A CN109355521A (en) | 2018-09-12 | 2018-09-12 | A kind of preparation method of titanium diboride Base Metal composite material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003192467A (en) * | 2001-12-20 | 2003-07-09 | Tkx:Kk | Production method of porous material having open pore |
| CN105734387A (en) * | 2016-03-17 | 2016-07-06 | 中南大学 | TiB2 based metal ceramic and manufacturing method thereof |
| CN107056304A (en) * | 2017-04-20 | 2017-08-18 | 哈尔滨工业大学 | A kind of TiB2Based composite ceramic material and preparation method thereof |
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2018
- 2018-09-12 CN CN201811063172.8A patent/CN109355521A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003192467A (en) * | 2001-12-20 | 2003-07-09 | Tkx:Kk | Production method of porous material having open pore |
| CN105734387A (en) * | 2016-03-17 | 2016-07-06 | 中南大学 | TiB2 based metal ceramic and manufacturing method thereof |
| CN107056304A (en) * | 2017-04-20 | 2017-08-18 | 哈尔滨工业大学 | A kind of TiB2Based composite ceramic material and preparation method thereof |
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Application publication date: 20190219 |