CN108250670A - A kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material and preparation method thereof - Google Patents
A kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of multiphase composite strengthening polyether-ether-ketone wear-resistant materials, solve the problems, such as that water hydraulic component abrasion is serious in the prior art, which is made of the raw material of following mass percent：Zirconium dioxide 1 5%, alundum (Al2O3) 1 3%, silicon carbide 4 6%, yttria 1 2%, carbon fiber 15 20%, polyether-ether-ketone 65 75%；The polyether-ether-ketone wear-resistant material excellent in mechanical performance of the present invention, the wherein more non-reinforced polyetheretherketonematerials materials of tensile strength, impact strength improve 50%, 24% or so respectively；Friction coefficient is 0.034 0.042, reduces nearly 50%, abrasion reduce 34% or so；Intensity and wear-resisting property are greatly promoted, and water hydraulic element can be used as to use for a long time.
Description
Technical field
The invention belongs to technical field of composite materials, especially a kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material.
Background technology
Hydraulic drive is that a kind of driving form of energy transmission and control is carried out using fluid as working media.They pass through each
The fundamental circuit of kind original paper composition different function, then organically it is combined into the biography with certain control function by several fundamental circuits
Dynamic system, hydraulic drive is one of technology with the fastest developing speed in mechanical equipment.Start within 1906, hydraulic technique mainly with
Mineral type hydraulic oil is working media, due to leakage and uncontrollable discharge caused by the production, transport, use in the process of hydraulic oil
Problem limits its development and application to a certain extent.
With the progress of science and technology, mankind's environmental protection, the raising of energy crisis consciousness, people is promoted to re-recognize and study
Using water as the Water Hydraulics of working media.During by the use of water as hydraulic medium, have the advantage that：(1) water is to environment
It is safe from harm, without recovery processing, contamination of products can be avoided；(2) water is cheap, and price is only the 1/5000 of hydraulic oil, and
And it can use everywhere；(3) anti-flammability and safety be good, Wen Sheng little；(4) using the hydraulic system of water is easy to maintenance, maintenance cost is low,
When under water, oil return pipe, water tank can not had to, system is greatly simplified.But the viscosity of water is typically the 1/40-1/50 of oil, very
To lower, therefore, on the one hand easily cause the inside and outside leakage of water hydraulic element and system, lead to the reduction of volumetric efficiency；It is another
The lubricity of aspect water is very poor, and hydraulic pressure film is formed in the Coupled Friction pair of water hydraulic element with regard to relatively difficult so as to cause unlubricated friction
Scrape along is stuck；When speed and higher load, the system of the materials such as metal-metal, metal-ceramic composition is lacking lubrication or profit
In the case that slip is poor, system serious wear.Therefore, the manufacture cost of water hydraulic element is higher than equal performance fluid pressure member
The cost of part.In the case where currently requiring energy-saving and further reduction product cost, there is an urgent need for a kind of wear-resisting, high-strength new
Material, for making the Hydraulic Elements such as the hydraulic pump, the hydraulic valve that meet requirement.
Invention content
The object of the present invention is to provide a kind of multiphase composite strengthening polyether-ether-ketone wear-resistant materials and preparation method thereof, are ensureing
Solve the problems, such as that water hydraulic component abrasion is serious in the prior art under the premise of composite material strength.
The technical solution adopted by the present invention to solve the technical problems is：A kind of wear-resisting material of multiphase composite strengthening polyether-ether-ketone
Material, is made of the raw material of following mass percent：Zirconium dioxide 1-5%, alundum (Al2O3) 1-3%, silicon carbide 4-6%, three oxygen
Change two yttrium 1-2%, carbon fiber 15-20%, polyether-ether-ketone 65-75%.
Preferably, the grain of the zirconium dioxide, alundum (Al2O3), silicon carbide, yttria, carbon fiber, polyether-ether-ketone
Diameter is respectively 1-2 μm, 1-2 μm, 1-2 μm, 0.1-0.2 μm, 12-15 μm, 12-15 μm.
Preferably, the carbon fiber draw ratio is 4 ﹕ 1.
A kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material, includes the following steps：
(1) raw material of above-mentioned multiphase composite strengthening polyether-ether-ketone wear-resistant material is provided, processing is dried respectively, it is described
Drying condition is：
Zirconium dioxide, 180-185 DEG C, dry 110-120min；
Alundum (Al2O3), 186-195 DEG C, dry 142-150min；
Silicon carbide, 200-210 DEG C, dry 120-128min；
Yttria, 158-165 DEG C, dry 180-192min；
Carbon fiber, 168-175 DEG C, dry 150-158min；
Polyether-ether-ketone, 142-150 DEG C, dry 180-192min；Dried postcooling is spare to room temperature；
(2) the dried zirconium dioxide of step (1), alundum (Al2O3), silicon carbide, yttria are added in mixing machine
Uniformly mixed that mixture is spare, the mixing rate is 140-150r/min, incorporation time 146-158min；
(3) it is spare that mixture will be obtained after mixing in the dried carbon fiber of step (1), polyether-ether-ketone addition mixing machine, institute
Mixing rate is stated as 800-1200r/min, incorporation time 40-50min；
(4) and then the mixture obtained by step (2) and step (3) is added in mixing machine and continues to mix, it is described mixed
Conjunction rate is 60-70r/min, incorporation time 112-120min；
(5) mixture of step (4) after mixing is subjected to hydrostatic profile, and be sent into high temperature furnace under packing state again
Carry out melting sizing to get.
Preferably, step (2) and step (4) mixing machine are mixed using three-dimensional.
Preferably, step (3) described mixing machine uses two-dimensional mixing machine.
Preferably, the polyether-ether-ketone wear-resistant material obtained by step (5) is subjected to diamond lap, cutting, is made required and makes
Part.
It is further preferred that mixture is uniformly paved with isopressing mold by the hydrostatic profile described in step (5), in room temperature shape
Mold is carried out under state to be forced into 35-38MPa.
It is further preferred that step (5) by mold in the state of pressurize, be sent into high temperature furnace in melted, treat mold
After the melting completely of interior material, mold is taken out, pressurize at normal temperatures is simultaneously cooled down, and final pressure release obtains product, the heating
Melting temperature is 400-415 DEG C.
The beneficial effects of the invention are as follows：The polyether-ether-ketone wear-resistant material excellent in mechanical performance of the present invention, wherein tensile strength,
The more non-reinforced polyetheretherketonematerials materials of impact strength improve 50%, 24% or so respectively；Friction coefficient is 0.034-0.042,
Nearly 50% is reduced, abrasion reduce 34% or so；Intensity and wear-resisting property are greatly promoted, and can be used as water hydraulic element
It uses for a long time.
Specific embodiment
With reference to embodiment, the present invention is further described.
A kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material of the present invention, is made of the raw material of following mass percent：
Zirconium dioxide 1-5%, alundum (Al2O3) 1-3%, silicon carbide 4-6%, yttria 1-2%, carbon fiber 15-20%, polyethers
Ether ketone 65-75%；The zirconium dioxide, alundum (Al2O3), silicon carbide, yttria, carbon fiber, polyether-ether-ketone grain size point
It Wei not be 1-2 μm, 1-2 μm, 1-2 μm, 0.1-0.2 μm, 12-15 μm, 12-15 μm；The carbon fiber draw ratio is 4 ﹕ 1.
The material addition that zirconium dioxide is only second to diamond as hardness enters in the compound system, has primarily served increase
The effect of hardness and compression strength, since the space structure of zirconium dioxide is limited, mostly unformed shape product, addition excessively can be tight
Ghost image ring composite material tensile strength and impact resistance, through experimental studies have found that, additive amount be gross mass 1-5% when, both
The hardness and compression strength of composite material are improved, and does not influence tensile strength and impact resistance；
Main function of the alundum (Al2O3) in this compound system is intolerance of the aluminium ion to strong acid and highly basic, can be with
Ionic effect is efficiently used, polyether-ether-ketone molecule and additive is bundled, plays the role of coupling agent；
Silicon carbide is six faceted crystal structure of space, has stronger dimensional stability, plays and carry in this composite material
High-dimensional stability, while the effect of linear expansion coefficient is reduced, polyether-ether-ketone composite material is kept under various working environment
It is steady in a long-term to use；
The addition of yttria can be effectively increased the wearability of polyether-ether-ketone composite material, in frictional interface formation
Grain friction, reduces friction coefficient and abrasion；
The main function of carbon fiber is to play the role of connection and support to composite system, and skeleton branch is played in inside
Support, while connects the effect of each nucleus, the addition of carbon fiber can effectively improve the stretching of polyether-ether-ketone composite material, be bent and
Impact strength, but after addition excessively, polyether-ether-ketone molecule effectively cannot be bonded and be filled, and be obtained through inventor's test of many times
It arrives, when the addition of carbon fiber is 15-20%, had both effectively improved the stretching, bending and impact strength of polyether-ether-ketone composite material,
The effective of polyether-ether-ketone molecule is not influenced again to bond and fill.
In polyether-ether-ketone composite material additive, zirconium dioxide, alundum (Al2O3), silicon carbide are as production process
More similar product, according to the principle that homogeneous is homogeneous, the same or similar material of grain size, the dispersion effect in mixed process
It is best, and the phenomenon that can solve to reunite in mixed process；Carbon fiber and polyether-ether-ketone belong to and other additives
The entirely different product of production technology, product itself intrinsic property and specification with other differences, are extremely difficult to and other additions
The identical mode of appearance of agent and particle size range；The product that yttria is produced as vapor phase method, relative grain size are smaller.Total comes
It says, compound similar compatibility is had in the mixing of solid particulate matter, the principle that close phase is melted, and mixed process preferably gradually carries out,
From the superficial to the deep, by small and big.
Relatively conventional carbon fiber is continuous type and chopped type on the market at this stage, and the draw ratio for the type that is chopped can reach
1000:1, the phenomenon that excessive draw ratio will appear framework in mixed process, it is unfavorable for uniformly mixing, uses draw ratio as 4 ﹕
1 carbon fiber can reach good even results.
A kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material, includes the following steps：
(1) raw material of above-mentioned multiphase composite strengthening polyether-ether-ketone wear-resistant material is provided, processing is dried respectively, it is described
Drying condition is：
Zirconium dioxide, 180-185 DEG C, dry 110-120min；Alundum (Al2O3), 186-195 DEG C, dry 142-
150min；Silicon carbide, 200-210 DEG C, dry 120-128min；Yttria, 158-165 DEG C, dry 180-192min；Carbon
Fiber, 168-175 DEG C, dry 150-158min；Polyether-ether-ketone, 142-150 DEG C, dry 180-192min；Dried postcooling
It is spare to room temperature；
Since the intrinsic water imbibition of each additive is inconsistent, drying time is long, causes energy waste, drying time mistake
It is short, it is unable to reach the purpose effectively removed water；(2) by the dried zirconium dioxide of step (1), alundum (Al2O3), silicon carbide, three oxygen
Change two yttriums to add in using three-dimensional mixing in mixing machine, uniformly mixed that mixture is spare, the mixing rate is 140-
150r/min, incorporation time 146-158min；
(3) it is spare that mixture will be obtained after mixing in the dried carbon fiber of step (1), polyether-ether-ketone addition mixing machine, institute
Mixing rate is stated as 800-1200r/min, incorporation time 40-50min, mixing machine uses two-dimensional mixing machine；
(4) and then three-dimensional is continued in the mixture addition mixing machine obtained by step (2) and step (3) it mixes
It closes, the mixing rate is 60-70r/min, incorporation time 112-120min；
The main purpose of substep mixing is needed during room temperature physical mixed by the close or identical material of grain size
It is preferentially mixed, then the gradually slightly larger material of addition grain size, the principle of mixing is by small and big, from the easier to the more advanced, is gradually expanded
Big system denominator, makes system reach best mixed effect；
(5) mixture of step (4) after mixing is subjected to hydrostatic profile again, i.e., mixture is uniformly paved with to static pressure mould
Tool, carries out mold under normal temperature state to be forced into 35-38MPa, then by mold in the state of pressurize, is sent into high temperature furnace
It is melted, after material in mold completely melting, takes out mold, pressurize at normal temperatures is simultaneously cooled down, and final pressure release obtains
Multiphase composite strengthening polyether-ether-ketone wear-resistant material product, the heating melting temperature are 400-415 DEG C.
Polyether-ether-ketone wear-resistant material obtained by step (5) is subjected to diamond lap, cutting, required product is made.
The essential characteristic of friction is by relatively rotating or sliding, and adjacent two boundary material is mutual under the action of mechanical energy
The effect of shearing is generated, admittedly it produces friction and abrasion, for friction process, the critical issue of material friction performance occurs
It is that improve material hardness itself, improve tensile strength, improve compactness, reducing abrasion etc. be main problem, it is various in the present invention
More than material is played the role of in system by coordinative role, and influence each other and restrain.
Pressure and it is relatively lower speed under conditions of, metal and the composite reinforcing material involved in the present invention with it is secondary when,
Friction coefficient is relatively low and stablizes, while wear away minimum；For pressure in 0.4-0.5MPa, pressure is smaller on friction coefficient influence,
Pressure and it is relatively lower speed in the case of, this kind enhancing wear-resistant material friction coefficient it is relatively low, abrasion it is smaller；When pressure reaches
During more than 0.8MPa, friction coefficient slightly increases, but wears away remain unchanged substantially simultaneously, it was demonstrated that this kind of composite strengthening wear-resistant material
Stable structure, wear-resisting property and its excellent, while can for a long time be used in the case where having water or anhydrous environment.
Following table is the raw material mass mixture ratio and grain size of embodiment 1-3：
The quality proportioning and grain size of 1 embodiment 1-3 of table
The raw material drying temperature and time of 2 embodiment 1-3 of table
Embodiment 1：
By the raw material of multiphase composite strengthening polyether-ether-ketone wear-resistant material, processing is dried respectively, dried postcooling is extremely
Room temperature；Then dried zirconium dioxide, alundum (Al2O3), silicon carbide, yttria are added in mixing machine using three-dimensional
Three-dimensional mixing, uniformly mixed that mixture is spare, the mixing rate is 140r/min, incorporation time 158min；Again will
Dried carbon fiber, polyether-ether-ketone add in two-dimensional mixing machine in mixing after mixture it is spare, the mixing rate be 800r/
Min, incorporation time 50min；Then zirconium dioxide, alundum (Al2O3), silicon carbide, yttria mixture and carbon
The interior use three-dimensional mixing of mixture addition mixing machine of fiber, polyether-ether-ketone continues to mix, the mixing rate
For 60r/min, incorporation time 120min；Mixture is uniformly paved with isopressing mold after mixing, it is right under normal temperature state
Mold carries out being forced into 35MPa, and be sent into high temperature furnace under packing state and melted at a temperature of 400-415 DEG C, treats mould
In tool after material melting completely, mold is taken out, pressurize at normal temperatures is simultaneously cooled down, and last pressure release obtains the wear-resisting material of polyether-ether-ketone
Expect product, then carry out diamond lap, cutting, required product is made, then detects its performance.
Embodiment 2：
By the raw material of multiphase composite strengthening polyether-ether-ketone wear-resistant material, processing is dried respectively, dried postcooling is extremely
Room temperature；Then dried zirconium dioxide, alundum (Al2O3), silicon carbide, yttria are added in mixing machine using three-dimensional
Three-dimensional mixing, uniformly mixed that mixture is spare, the mixing rate is 150r/min, incorporation time 146min；Again will
Dried carbon fiber, polyether-ether-ketone add in two-dimensional mixing machine in mixing after mixture it is spare, the mixing rate is
1200r/min, incorporation time 40min；Then zirconium dioxide, alundum (Al2O3), silicon carbide, yttria mixture
And the mixture of carbon fiber, polyether-ether-ketone adds in mixing machine and continues to mix using three-dimensional mixing, it is described mixed
Conjunction rate is 70r/min, incorporation time 112min；Mixture is uniformly paved with isopressing mold after mixing, in room temperature shape
Mold is carried out under state to be forced into 38MPa, and be sent into high temperature furnace under packing state and melted at a temperature of 400-415 DEG C
Melt, after material in mold completely melting, take out mold, pressurize at normal temperatures is simultaneously cooled down, and last pressure release obtains polyethers ether
Then ketone wear-resistant material product carries out diamond lap, cutting, required product is made, then detects its performance.
Embodiment 3：
By the raw material of multiphase composite strengthening polyether-ether-ketone wear-resistant material, processing is dried respectively, dried postcooling is extremely
Room temperature；Then dried zirconium dioxide, alundum (Al2O3), silicon carbide, yttria are added in mixing machine using three-dimensional
Three-dimensional mixing, uniformly mixed that mixture is spare, the mixing rate is 146r/min, incorporation time 150min；Again will
Dried carbon fiber, polyether-ether-ketone add in two-dimensional mixing machine in mixing after mixture it is spare, the mixing rate is
1000r/min, incorporation time 46min；Then zirconium dioxide, alundum (Al2O3), silicon carbide, yttria mixture
And the mixture of carbon fiber, polyether-ether-ketone adds in mixing machine and continues to mix using three-dimensional mixing, it is described mixed
Conjunction rate is 65r/min, incorporation time 118min；Mixture is uniformly paved with isopressing mold after mixing, in room temperature shape
Mold is carried out under state to be forced into 38MPa, and be sent into high temperature furnace under packing state and melted at a temperature of 400-415 DEG C
Melt, after material in mold completely melting, take out mold, pressurize at normal temperatures is simultaneously cooled down, and last pressure release obtains polyethers ether
Then ketone wear-resistant material product carries out diamond lap, cutting, required product is made, then detects its performance.
The main performance of 3 polyether-ether-ketone wear-resistant material after molding of table
| Friction coefficient | It wears away (mg/1000r) | Tensile strength (MPa) | Impact strength (Kj/m2) | |
| Embodiment 1 | 0.038 | 0.88 | 142 | 8.3 |
| Embodiment 2 | 0.034 | 0.79 | 151 | 8.7 |
| Embodiment 3 | 0.042 | 0.84 | 138 | 9.2 |
| Control group | 0.067 | 1.2 | 94 | 7.0 |
Main performance of the upper table for embodiment 1-3 and control group polyether-ether-ketone wear-resistant material after molding, wherein control group
For unmodified polyether-ether-ketone resin, it can be seen that compared with the control group, polyether-ether-ketone wear-resistant material mechanics prepared by the present invention
Performance is remarkably enhanced, and the wherein more non-reinforced polyetheretherketonematerials materials of tensile strength, impact strength improve respectively
50%th, 24% or so；Friction coefficient is 0.034-0.042, reduces nearly 50%, abrasion reduce 34% or so；For material
Impact resistance and hardness, be shifting relationship, the toughness of material is better, and impact resistance is good, it is not easy to be broken, but deposit
The problem of be partially soft, insufficient strength；And material hardness is larger, tensile strength is larger, but impact resistance is poor, more crisp；
Polyether-ether-ketone wear-resistant material impact resistance and hardness prepared by the present invention obtains comprehensive promotion, and intensity and wear-resisting property obtain significantly
Promotion, can be used as water hydraulic element for a long time use.
Claims (9)
1. a kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material, which is characterized in that be made of the raw material of following mass percent：
Zirconium dioxide 1-5%, alundum (Al2O3) 1-3%, silicon carbide 4-6%, yttria 1-2%, carbon fiber 15-20%, polyethers
Ether ketone 65-75%.
A kind of 2. multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 1, which is characterized in that the dioxy
Change zirconium, alundum (Al2O3), silicon carbide, yttria, carbon fiber, polyether-ether-ketone grain size be respectively 1-2 μm, 1-2 μm, 1-2 μ
m、0.1-0.2μm、12-15μm、12-15μm。
3. a kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 2, which is characterized in that the carbon is fine
Dimension draw ratio is 4 ﹕ 1.
4. a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material, which is characterized in that include the following steps：
(1) claim 1-3 any one of them raw materials are provided, processing are dried respectively, the drying condition is：
Zirconium dioxide, 180-185 DEG C, dry 110-120min；
Alundum (Al2O3), 186-195 DEG C, dry 142-150min；
Silicon carbide, 200-210 DEG C, dry 120-128min；
Yttria, 158-165 DEG C, dry 180-192min；
Carbon fiber, 168-175 DEG C, dry 150-158min；
Polyether-ether-ketone, 142-150 DEG C, dry 180-192min；Dried postcooling is spare to room temperature；
(2) the dried zirconium dioxide of step (1), alundum (Al2O3), silicon carbide, yttria are added in mixing machine and mixed
Uniform that mixture is spare, the mixing rate is 140-150r/min, incorporation time 146-158min；
(3) it is spare that mixture will be obtained after mixing in the dried carbon fiber of step (1), polyether-ether-ketone addition mixing machine, it is described mixed
Conjunction rate is 800-1200r/min, incorporation time 40-50min；
(4) and then the mixture obtained by step (2) and step (3) is added in mixing machine and continues to mix, the mixing speed
Rate is 60-70r/min, incorporation time 112-120min；
(5) mixture of step (4) after mixing is subjected to hydrostatic profile again, and is sent into high temperature furnace under packing state and carries out
Melting sizing to get.
5. a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 4, feature exist
In step (2) and step (4) mixing machine are mixed using three-dimensional.
6. a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 4, feature exist
In step (3) described mixing machine uses two-dimensional mixing machine.
7. according to a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material of claim 4-6 any one of them,
It is characterized in that, the polyether-ether-ketone wear-resistant material obtained by step (5) is carried out diamond lap, cutting, required product is made.
8. a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 7, feature exist
In mixture is uniformly paved with isopressing mold by the hydrostatic profile described in step (5), is pressurizeed under normal temperature state to mold
To 35-38MPa.
9. a kind of preparation method of multiphase composite strengthening polyether-ether-ketone wear-resistant material according to claim 8, feature exist
In mold in the state of pressurize, is sent into high temperature furnace and is melted by step (5), after material in mold completely melting, takes
Go out mold, pressurize at normal temperatures is simultaneously cooled down, and final pressure release obtains product, and the heating melting temperature is 400-415 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270860.7A CN108250670A (en) | 2017-12-05 | 2017-12-05 | A kind of multiphase composite strengthening polyether-ether-ketone wear-resistant material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214788A (en) * | 2013-05-10 | 2013-07-24 | 合肥通用机械研究院 | Wear-resistant, high-strength and light polyether-ether-ketone composite material |
| CN105524408A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Electromagnetic shielding PEEK composite material and preparation method thereof |
| CN107236248A (en) * | 2017-07-25 | 2017-10-10 | 立昌科技（赣州）有限公司 | A kind of polyether-ether-ketone modified composite material and its manufacture method |
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| CN103214788A (en) * | 2013-05-10 | 2013-07-24 | 合肥通用机械研究院 | Wear-resistant, high-strength and light polyether-ether-ketone composite material |
| CN105524408A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Electromagnetic shielding PEEK composite material and preparation method thereof |
| CN107236248A (en) * | 2017-07-25 | 2017-10-10 | 立昌科技（赣州）有限公司 | A kind of polyether-ether-ketone modified composite material and its manufacture method |
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