CN115351966A - High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof - Google Patents
High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof Download PDFInfo
- Publication number
- CN115351966A CN115351966A CN202210957268.9A CN202210957268A CN115351966A CN 115351966 A CN115351966 A CN 115351966A CN 202210957268 A CN202210957268 A CN 202210957268A CN 115351966 A CN115351966 A CN 115351966A
- Authority
- CN
- China
- Prior art keywords
- tin
- alloy
- powder
- self
- composite bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 229920000642 polymer Polymers 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000956 alloy Substances 0.000 claims abstract description 57
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 55
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000002861 polymer material Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 16
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims abstract description 14
- 239000002639 bone cement Substances 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims abstract description 10
- 241000283690 Bos taurus Species 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 150000002739 metals Chemical class 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 229940036811 bone meal Drugs 0.000 claims description 8
- 239000002374 bone meal Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 4
- 235000015278 beef Nutrition 0.000 claims description 3
- 238000010587 phase diagram Methods 0.000 abstract 1
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/108—Mixtures obtained by warm mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/04—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof, and relates to the field of metal polymer composite bearing materials and preparation methods thereof. The high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following raw materials in percentage by weight: 30-40% of alloy, 45-52% of high polymer material, 8-10% of ox bone glue and 5-8% of graphite; the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy; the tin in the tin-based Babbitt alloy is a main metal, and also contains metals such as copper, antimony, lead and the like. According to the method, an alloy material with a soft matrix, a hard point and a same melting point is selected as a heat conducting phase by utilizing a metal phase diagram principle, and a composite bearing material with high heat conductivity, self-lubricating property, high wear resistance and high bearing capacity is obtained by utilizing the wear resistance and self-lubricating property of a high polymer material and the excellent bonding property of bovine bone glue, so that the composite bearing material has better use performance.
Description
Technical Field
The invention relates to the field of metal polymer composite bearing materials and preparation methods thereof, in particular to a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof.
Background
Bearings are widely used bearing parts in machines, of which the widest range of applications are plain bearings. The sliding bearing comprises a stern bearing, a rudder bearing, a water pump bearing, a water turbine bearing and the like for the ship. In practical application, strict requirements are imposed on the performances of bearing materials, such as pressure bearing, wear resistance, corrosion resistance, friction resistance and the like.
The polymer self-lubricating material has the advantages of low friction, corrosion resistance and self-lubrication as a bearing, and the defects of insufficient heat conductivity and heat dissipation are overcome, so that the polymer bearing is easy to melt and lose efficacy due to heat accumulated on a grinding surface at high temperature. The metal has high thermal conductivity, and can be compounded with the high polymer material to obtain the advantages of the metal and the high polymer material, so that the performances are complementary.
Through search, the prior patent (publication number: CN 101509519B) discloses a nylon polymer for manufacturing a bearing for a water lubrication ship, which takes caprolactam as a main component and simultaneously adds silicon dioxide and titanium dioxide. Although the density, hardness and wear resistance of a polymer part are enhanced by the technology, the defect that a bearing material taking caprolactam as a main component is low in elastic modulus, poor in bearing capacity, difficult to process, short in service life and the like causes difficulty in replacing a sialon bearing which is widely used. Therefore, those skilled in the art provide a high thermal conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof, so as to solve the problems mentioned in the above background art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof, and solves the problem that the polymer self-lubricating material has the advantages of low friction, corrosion resistance and self-lubricating as a bearing, and has insufficient thermal conductivity and heat dissipation, so that the polymer bearing is easy to melt and lose efficacy due to heat accumulated on a grinding surface at high temperature.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following raw materials in percentage by weight: 30-40% of alloy, 45-52% of high polymer material, 8-10% of ox bone glue and 5-8% of graphite;
the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy;
the tin in the tin-based Babbitt alloy is a main metal, and also contains metals such as copper, antimony, lead and the like.
Preferably, the 8-8 tin-based alloy has a melting point of 239 ℃ and a hardness of 34.3HB, has high hardness and high load pressure, and is relatively suitable for bearings, bushings and the like of large-sized machines.
Preferably, the 11-6 tin-based alloy has a melting point of 240 ℃ and a hardness of 30HB, and is suitable for high-speed steam engines of 2000 horsepower or more and turbines, turbo compressors, turbo pumps and rapid internal combustion engines of 500 horsepower or more.
Preferably, the 4-4 tin-based alloy has a melting point of 225 ℃ and a hardness of 28.6HB, and is suitable for various turbine, internal combustion engine and high-speed bearing bushings.
Preferably, the high polymer material is PA66, PET or PBT.
Preferably, the tin-based babbitt metal structure consists of a soft matrix and hard particles, wherein the hard particles in the matrix support the bearing and bear friction, and the soft matrix enables the bearing to have good matching property with the shaft journal.
Preferably, the preparation method of the high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following steps:
s1, drying alloy powder, high polymer material polymer powder and graphite powder at 100-120 ℃ for 3-4h for later use;
s2, carrying out surface treatment on the alloy powder by adopting titanic acid or aluminate, and bagging and sealing for later use;
s3, placing the bovine bone meal in a container, heating and melting the bovine bone meal in water bath, and adding deionized water at about 75 ℃ according to a glue ratio of 6;
s4, weighing the processed alloy powder, the polymer powder of the high polymer material, the graphite powder and the beef bone glue according to a proportion formula, mixing, placing in an internal mixer, internally mixing for 30-60min at 70-100 ℃, discharging, and crushing to obtain composite material powder;
s5, weighing composite material powder, putting the composite material powder into a forming die, and forming by adopting a sectional heating method;
s6, maintaining the pressure for 30-40min after forming, then cooling to below 60 ℃, opening the mold to obtain a part, and naturally cooling to obtain the composite material product.
Preferably, the step S5 of the sectional heating method is heating to 110 ℃ at the speed of 2-5 ℃/min, exhausting for 3-5 times, then preserving heat for 10-20min, and then heating to 230-270 ℃ under the condition of 20-30 MPa.
(III) advantageous effects
The invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof. The method has the following beneficial effects:
1. the invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof.
2. The high-thermal-conductivity self-lubricating metal polymer composite bearing material and the preparation method thereof provided by the invention have the advantages that the composite bearing material prepared by the method has good mechanical property, excellent tribological property, high thermal conductivity and good bearing capacity, and the service life of a bearing product is effectively prolonged.
3. The invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material and a preparation method thereof, the method utilizes the low-melting-point alloy material to be equivalent to the melting point of a polymer material, and can realize melt blending in the molding and sintering forming process to prepare the high-performance metal polymer self-lubricating composite bearing material.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
the embodiment of the invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material which comprises the following raw materials in percentage by weight: 35% of alloy, 48% of high polymer material, 10% of ox bone glue and 7% of graphite;
the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy;
the tin in the tin-based babbitt metal is a main metal, and metals such as copper, antimony, lead and the like are also included.
The 8-8 tin-based alloy has a melting point of 239 ℃, a hardness of 34.3HB, high hardness and large load pressure, and is relatively suitable for bearings and bushings of large-scale machines, the 11-6 tin-based alloy has a melting point of 240 ℃, a hardness of 30HB, and is suitable for high-speed steam engines with more than 2000 horsepower, turbines, turbo compressors, turbo pumps and rapid internal combustion engines with 500 horsepower, the 4-4 tin-based alloy has a melting point of 225 ℃ and a hardness of 28.6HB, and is suitable for various turbines, internal combustion engines and high-speed bearing bushings, the high polymer material is PA66, PET or PBT, the tin-based babbit alloy structure consists of a soft matrix and hard particles, the hard particles in the matrix support the bearings and bear friction, and the soft matrix enables the bearings to have good matching performance with shaft necks.
The preparation method of the high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following steps:
s1, drying alloy powder, high polymer material polymer powder and graphite powder at 120 ℃ for 4 hours for later use;
s2, carrying out surface treatment on the alloy powder by adopting titanic acid or aluminate, and bagging and sealing for later use;
s3, placing the bovine bone meal in a container, heating and melting the bovine bone meal in a water bath, and adding deionized water at about 75 ℃ according to a glue ratio of 6;
s4, weighing the processed alloy powder, the polymer powder of the high polymer material, the graphite powder and the beef bone glue according to a proportion formula, mixing, placing in an internal mixer, internally mixing for 60min at 100 ℃, discharging, and crushing to obtain composite material powder;
s5, weighing composite material powder, loading the composite material powder into a forming die, and forming by adopting a sectional heating method;
s6, maintaining the pressure for 40min after forming, then cooling to below 60 ℃, opening the mold to obtain a part, and then naturally cooling to obtain the composite material product.
The sectional heating method in the step S5 is to heat to 110 ℃ at the speed of 4 ℃/min, exhaust for 5 times, then keep the temperature for 20min, and then heat to 270 ℃ under the condition of 30 MPa.
Example 2:
the embodiment of the invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material which comprises the following raw materials in percentage by weight: 40% of alloy, 45% of high polymer material, 9% of ox bone glue and 6% of graphite;
the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy;
the tin in the tin-based babbitt metal is a main metal, and metals such as copper, antimony, lead and the like are also included.
The preparation method of the high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following steps:
s1, drying alloy powder, high polymer material polymer powder and graphite powder at 120 ℃ for 4 hours for later use;
s2, carrying out surface treatment on the alloy powder by adopting titanic acid or aluminate, and bagging and sealing for later use;
s3, placing the bovine bone meal in a container, heating and melting the bovine bone meal in a water bath, and adding deionized water at about 75 ℃ according to a glue ratio of 6;
s4, weighing the processed alloy powder, the polymer powder, the graphite powder and the oxhide gelatin according to a proportion formula, mixing, placing in an internal mixer, carrying out internal mixing at 100 ℃ for 60min, discharging, and crushing to obtain composite material powder;
s5, weighing composite material powder, loading the composite material powder into a forming die, and forming by adopting a sectional heating method;
s6, maintaining the pressure for 40min after forming, then cooling to below 60 ℃, opening the mold to obtain a part, and naturally cooling to obtain the composite material product.
The sectional heating method in the step S5 is to heat to 110 ℃ at the speed of 4 ℃/min, exhaust for 5 times, then keep the temperature for 20min, and then heat to 270 ℃ under the condition of 30 MPa.
Example 3:
the embodiment of the invention provides a high-thermal-conductivity self-lubricating metal polymer composite bearing material which comprises the following raw materials in percentage by weight: 38% of alloy, 46% of high polymer material, 10% of ox bone glue and 6% of graphite;
the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy;
the tin in the tin-based babbitt metal is a main metal, and metals such as copper, antimony, lead and the like are also included.
The preparation method of the high-thermal-conductivity self-lubricating metal polymer composite bearing material comprises the following steps:
s1, drying alloy powder, high polymer material polymer powder and graphite powder at 120 ℃ for 4 hours for later use;
s2, carrying out surface treatment on the alloy powder by adopting titanic acid or aluminate, and bagging and sealing for later use;
s3, placing the ox bone powder in a container, heating and melting the ox bone powder in water bath, and adding deionized water at about 75 ℃ according to a glue ratio of 6;
s4, weighing the processed alloy powder, the polymer powder, the graphite powder and the oxhide gelatin according to a proportion formula, mixing, placing in an internal mixer, carrying out internal mixing at 100 ℃ for 60min, discharging, and crushing to obtain composite material powder;
s5, weighing composite material powder, loading the composite material powder into a forming die, and forming by adopting a sectional heating method;
s6, maintaining the pressure for 40min after forming, then cooling to below 60 ℃, opening the mold to obtain a part, and naturally cooling to obtain the composite material product.
The sectional heating method in the step S5 is to heat to 110 ℃ at the speed of 4 ℃/min, exhaust for 5 times, keep the temperature for 20min, and then heat to 270 ℃ under the condition of 30 MPa.
Testing of Material Properties
The PA66 composite material and the PA66 material obtained in the above examples were subjected to detection of the heat distortion temperature, the friction coefficient, the amount of wear, the thermal conductivity, the tensile strength, and the impact strength. The results are shown in the following table:
TABLE 1 PA66 COMPOSITE MATERIAL AND PA66 MATERIAL TEST RESULTS
| Item | PA66 material | Example PA66 composite |
| Heat distortion temperature (. Degree. C.) | 231 | 245～258 |
| Coefficient of friction | 0.28 | 0.12～0.31 |
| Amount of abrasion (mg) | 11.5 | 4～8 |
| Thermal conductivity W/(m.K) | 0.28 | 0.75～1.24 |
| Tensile Strength (MPa) | 75 | 70～96 |
| Impact Strength (KJ/m) 2 ) | 6.8 | 7.1～13.5 |
The detection result shows that: the heat-conducting property, the tribological property and the mechanical property of the PA66 composite material obtained in the embodiment are obviously superior to those of a pure PA66 material.
In the invention, the thermal deformation temperature is tested according to an ASTM D648 plastic thermal deformation temperature test method; the friction coefficient and the abrasion loss are tested according to a GB10006-1988 plastic film and sheet friction coefficient measuring method; the heat conductivity coefficient is tested according to a heat transmission characteristic measuring method of an ASTMD5470 heat conductivity electric insulating material; the tensile strength is tested according to the determination of the tensile property of GB/T1040-2008 plastic; the impact strength is tested according to the GB/T1043.1-2008 plastic simple support dye notch impact performance measurement.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The high-thermal-conductivity self-lubricating metal polymer composite bearing material is characterized by comprising the following raw materials in percentage by weight: 30-40% of alloy, 45-52% of high polymer material, 8-10% of ox bone glue and 5-8% of graphite;
the alloy is 8-8 tin-based alloy, 11-6 tin-based alloy, 4-4 tin-based alloy or tin-based babbitt alloy;
the tin in the tin-based Babbitt alloy is a main metal, and also contains metals such as copper, antimony, lead and the like.
2. The high-thermal-conductivity self-lubricating metal polymer composite bearing material as claimed in claim 1, wherein the 8-8 tin-based alloy has a melting point of 239 ℃, a hardness of 34.3HB, a high hardness and a large load pressure, and is suitable for large machine bearings, bushings and the like.
3. The self-lubricating metal polymer composite bearing material with high thermal conductivity according to claim 1, wherein the 11-6 tin-based alloy has a melting point of 240 ℃ and a hardness of 30HB, and is suitable for high-speed steam engines with a horsepower of 2000 or more, turbines with a horsepower of 500 or more, turbo compressors, turbo pumps and rapid internal combustion engines.
4. The high-thermal-conductivity self-lubricating metal polymer composite bearing material as claimed in claim 1, wherein the 4-4 tin-based alloy has a melting point of 225 ℃ and a hardness of 28.6HB, and is suitable for various turbine, internal combustion engine and high-speed bearing bushings.
5. The high thermal conductivity self-lubricating metal polymer composite bearing material and the preparation method thereof according to claim 1, wherein the polymer material is PA66, PET or PBT.
6. The high thermal conductivity self-lubricating metal polymer composite bearing material and the preparation method thereof as claimed in claim 1, wherein the tin-based babbitt metal structure is composed of a soft matrix and hard particles, the hard particles in the matrix support the bearing and bear friction, and the soft matrix provides good matching between the bearing and the journal.
7. A preparation method of a high-thermal-conductivity self-lubricating metal polymer composite bearing material is characterized by comprising the following steps:
s1, drying alloy powder, high polymer material polymer powder and graphite powder at 100-120 ℃ for 3-4h for later use;
s2, carrying out surface treatment on the alloy powder by adopting titanic acid or aluminate, and bagging and sealing for later use;
s3, placing the bovine bone meal in a container, heating and melting the bovine bone meal in water bath, and adding deionized water at about 75 ℃ according to a glue ratio of 6;
s4, weighing the processed alloy powder, the polymer powder of the high polymer material, the graphite powder and the beef bone glue according to a proportion formula, mixing, placing in an internal mixer, internally mixing for 30-60min at 70-100 ℃, discharging, and crushing to obtain composite material powder;
s5, weighing composite material powder, loading the composite material powder into a forming die, and forming by adopting a sectional heating method;
s6, maintaining the pressure for 30-40min after forming, then cooling to below 60 ℃, opening the mold to obtain a part, and then naturally cooling to obtain the composite material product.
8. The method for preparing a high thermal conductivity self-lubricating metal polymer composite bearing material as claimed in claim 7, wherein the step S5 of heating is performed by heating to 110 ℃ at a rate of 2-5 ℃/min, exhausting for 3-5 times, then maintaining the temperature for 10-20min, and then heating to 230-270 ℃ under a pressure of 20-30 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210957268.9A CN115351966A (en) | 2022-08-10 | 2022-08-10 | High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210957268.9A CN115351966A (en) | 2022-08-10 | 2022-08-10 | High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115351966A true CN115351966A (en) | 2022-11-18 |
Family
ID=84033925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210957268.9A Pending CN115351966A (en) | 2022-08-10 | 2022-08-10 | High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115351966A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB656475A (en) * | 1945-05-31 | 1951-08-22 | Crane Packing Ltd | Improvements in resin and powdered metal material with improved hardness uniformity and method of making same |
| GB1297895A (en) * | 1971-04-30 | 1972-11-29 | ||
| FR2137008A1 (en) * | 1971-05-11 | 1972-12-29 | Ts Trudov | Bearing material - contg graphite powder, phenol-aniline -formaldehyde resin, opt non-ferrous metal and abrasive |
| JPS6298028A (en) * | 1985-10-21 | 1987-05-07 | Taiho Kogyo Co Ltd | Bearing material and manufacture thereof |
| CN86106869A (en) * | 1986-09-29 | 1988-04-13 | 镇江市航运公司船舶保养厂 | Conductive plastics |
| CN87100190A (en) * | 1987-01-08 | 1988-07-20 | 王必柱 | Automobile mating parts of teflon mixed products |
| JPH0532797A (en) * | 1991-07-31 | 1993-02-09 | Japan Steel Works Ltd:The | Material for sliding bearing, material pellet for sliding bearing and member for sliding bearing using the same material |
| JPH1113801A (en) * | 1997-06-27 | 1999-01-22 | Aisin Seiki Co Ltd | Frictional material |
| US20070297704A1 (en) * | 2003-06-20 | 2007-12-27 | Mayston Carolyn A | Bearings |
| CN101824219A (en) * | 2010-04-27 | 2010-09-08 | 深圳大学 | Amorphous metal enhanced polyphenylene sulfide self-lubricating wear-resistant composite material |
| CN103589149A (en) * | 2013-11-20 | 2014-02-19 | 湖南省映鸿科技有限公司 | Composite material used for roller bearing pedestal and production method of composite material |
| CN104212164A (en) * | 2014-09-04 | 2014-12-17 | 昆山高联机器人有限公司 | Novel self-lubricating material for high-speed parallel robot |
| CN104262872A (en) * | 2014-09-10 | 2015-01-07 | 东莞理工学院 | Composite material for bearings as well as preparation method and application of composite material |
| CN105838023A (en) * | 2016-03-18 | 2016-08-10 | 华南理工大学 | Resin based powder metallurgy composite friction material for vehicles and preparation method thereof |
| CN108884870A (en) * | 2016-03-25 | 2018-11-23 | Ntn株式会社 | Cage for rolling bearing and rolling bearing |
| CN109021471A (en) * | 2018-08-09 | 2018-12-18 | 燕山大学 | Molybdenum disulfide-nickel phosphorus-ptfe composite preparation method |
| CN111361188A (en) * | 2020-03-27 | 2020-07-03 | 大连三环复合材料技术开发股份有限公司 | Sliding bearing made of metal plastic composite material and manufacturing method thereof |
-
2022
- 2022-08-10 CN CN202210957268.9A patent/CN115351966A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB656475A (en) * | 1945-05-31 | 1951-08-22 | Crane Packing Ltd | Improvements in resin and powdered metal material with improved hardness uniformity and method of making same |
| GB1297895A (en) * | 1971-04-30 | 1972-11-29 | ||
| FR2137008A1 (en) * | 1971-05-11 | 1972-12-29 | Ts Trudov | Bearing material - contg graphite powder, phenol-aniline -formaldehyde resin, opt non-ferrous metal and abrasive |
| JPS6298028A (en) * | 1985-10-21 | 1987-05-07 | Taiho Kogyo Co Ltd | Bearing material and manufacture thereof |
| CN86106869A (en) * | 1986-09-29 | 1988-04-13 | 镇江市航运公司船舶保养厂 | Conductive plastics |
| CN87100190A (en) * | 1987-01-08 | 1988-07-20 | 王必柱 | Automobile mating parts of teflon mixed products |
| JPH0532797A (en) * | 1991-07-31 | 1993-02-09 | Japan Steel Works Ltd:The | Material for sliding bearing, material pellet for sliding bearing and member for sliding bearing using the same material |
| JPH1113801A (en) * | 1997-06-27 | 1999-01-22 | Aisin Seiki Co Ltd | Frictional material |
| US20070297704A1 (en) * | 2003-06-20 | 2007-12-27 | Mayston Carolyn A | Bearings |
| CN101824219A (en) * | 2010-04-27 | 2010-09-08 | 深圳大学 | Amorphous metal enhanced polyphenylene sulfide self-lubricating wear-resistant composite material |
| CN103589149A (en) * | 2013-11-20 | 2014-02-19 | 湖南省映鸿科技有限公司 | Composite material used for roller bearing pedestal and production method of composite material |
| CN104212164A (en) * | 2014-09-04 | 2014-12-17 | 昆山高联机器人有限公司 | Novel self-lubricating material for high-speed parallel robot |
| CN104262872A (en) * | 2014-09-10 | 2015-01-07 | 东莞理工学院 | Composite material for bearings as well as preparation method and application of composite material |
| CN105838023A (en) * | 2016-03-18 | 2016-08-10 | 华南理工大学 | Resin based powder metallurgy composite friction material for vehicles and preparation method thereof |
| CN108884870A (en) * | 2016-03-25 | 2018-11-23 | Ntn株式会社 | Cage for rolling bearing and rolling bearing |
| CN109021471A (en) * | 2018-08-09 | 2018-12-18 | 燕山大学 | Molybdenum disulfide-nickel phosphorus-ptfe composite preparation method |
| CN111361188A (en) * | 2020-03-27 | 2020-07-03 | 大连三环复合材料技术开发股份有限公司 | Sliding bearing made of metal plastic composite material and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 康拉德·莱夫（KONRD REIF）: "《BOSCH 汽车工程手册 中文第4版 德文第27版》", 31 January 2016, 北京理工大学出版社, pages: 250 - 251 * |
| 陈皑冰: "《实用金属材料学》", 30 June 1989, 陕西科学技术出版社, pages: 253 - 255 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4898905A (en) | Sliding material | |
| CN101696311B (en) | Bearing retainer material and preparation method thereof | |
| WO2012171243A1 (en) | Three-layer composite self-lubricating sliding bearing with modified polyimide wear layer and preparation method thereof | |
| CN105290407B (en) | Tin bronze-steel back self-lubricating wear-resisting bimetallic material and preparation method thereof | |
| CN109337146B (en) | Composite material for water-lubricated bearing and preparation method thereof | |
| KR20120085231A (en) | A slide bearing, a manufacturing process and an internal combustion engine | |
| CN112555155B (en) | Self-lubricating wear-resistant gasket for electric scroll compressor and preparation method thereof | |
| CN110066934B (en) | Alloy material for bearing rolling body and preparation method thereof | |
| CN115351966A (en) | High-thermal-conductivity self-lubricating metal polymer composite bearing material and preparation method thereof | |
| CN101576122B (en) | Powder metallurgy oil-free lubricating bearing and method for preparing same | |
| CN104878272A (en) | Nickel aluminum/copper oxide high-temperature self-lubricating composite material and preparation method thereof | |
| CN111020442B (en) | Tin-based Babbitt alloy wire and preparation method and application thereof | |
| CN109022924B (en) | High-strength corrosion-resistant solid lubricating material in seawater environment | |
| KR100993584B1 (en) | Sn-Sb based bearing alloy and producing method thereof | |
| CN111001811A (en) | Wide-temperature-range Ni taking Cu @ Ni core-shell structure as lubricating phase3Al-based self-lubricating composite material and preparation method thereof | |
| CN114749658A (en) | Preparation method of composite rare earth element reinforced powder metallurgy friction material | |
| CN113430421B (en) | High-strength nickel-niobium-based wide-temperature-range self-lubricating alloy | |
| CN105522146A (en) | Air compressor shell of turbocharger and manufacturing method of air compressor shell | |
| CN104889404A (en) | Ceramimetallurgical high-nickel alloy bearing material | |
| CN111961944B (en) | Wide-temperature-range self-lubricating VN-AgMoS2Composite material and preparation method thereof | |
| CN114316486A (en) | Polytetrafluoroethylene lip piece material for sealing element and processing technology thereof | |
| CN112126191A (en) | Wear-resistant low-thermal-expansion polyether-ether-ketone composite material and preparation method and application thereof | |
| CN112080146A (en) | Polyimide composite material for bearing retainer, preparation method of polyimide composite material and bearing retainer | |
| CN111074090A (en) | Copper alloy material for high-bearing thrust bearing, preparation method of copper alloy material and high-bearing thrust bearing for electric submersible pump | |
| CN111304491A (en) | Copper-based self-lubricating composite material capable of being used at room temperature to 500 ℃ and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |