CN102518672A - High-strength bearing bush basal layer - Google Patents
High-strength bearing bush basal layer Download PDFInfo
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- CN102518672A CN102518672A CN2012100013924A CN201210001392A CN102518672A CN 102518672 A CN102518672 A CN 102518672A CN 2012100013924 A CN2012100013924 A CN 2012100013924A CN 201210001392 A CN201210001392 A CN 201210001392A CN 102518672 A CN102518672 A CN 102518672A
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- aluminium
- tin
- copper
- base layer
- silicon
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 229910052718 tin Inorganic materials 0.000 claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 21
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 20
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 16
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 13
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 10
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000011135 tin Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 241000357293 Leptobrama muelleri Species 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 25
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002929 anti-fatigue Effects 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 23
- 229910045601 alloy Inorganic materials 0.000 description 21
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011257 shell material Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- -1 iron-aluminum compound Chemical class 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- ARZRWOQKELGYTN-UHFFFAOYSA-N [V].[Mn] Chemical compound [V].[Mn] ARZRWOQKELGYTN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a high-strength bearing bush basal layer, which is characterized in that the bearing bush basal layer is arranged at the upper part of a steel backing layer and adopts an aluminum alloy surface layer with the weight percentages of elements as follows: 3.5-9.0% of tin, 1.5-5.0% of silicon, 0.1-5.0% of copper, 0.1-3.0% of nickel, 0.1-0.5% of manganese, 0.1-0.3% of vanadium, and 0.1-5% of the combination of either one or two of rhenium, lanthanum or cerium, wherein impurities are less than or equal to 0.5 %, and the balance is aluminum. The sliding bearing has the advantages of high anti-fatigue strength, high corrosive resistance, high bearing capability, low cost, no lead, and environmental protection.
Description
Technical field
The present invention relates to the bearing shell technical field, relate in particular to a kind of high-strength bearing liner base layer.
Background technique
Sliding bearing mainly comprises bearing shell, lining, flange watt and thrust plate.The main effect of sliding bearing has: 1, supporting axle and parts on shaft, the running accuracy of retainer shaft; 2, the friction and wear between minimizing rotating shaft and the supporting.Steam turbine, centrifugal compressor, internal-combustion engine, large-size machine etc. all need adopt sliding bearing.Therefore sliding bearing is the strength member in the internal-combustion engine.
At present, the material of sliding bearing mainly contains copper base and alumina-base material, and the bearing capacity of copper-based material is high; Be used on the high at a high speed internal-combustion engine that carries; Along with sharp rising of the price of the development, particularly copper material of economic and society, each big main engine factory commercial city reduces cost making great efforts; On the other hand, owing to the rise of crude oil price, need reduce the volume of motor again, the unit load of sliding bearing is rising.At this moment need a kind of good material replacement.And aluminum alloy generally is used in the low occasion of carrying of low speed because bearing capacity is lower, and aluminium distributes very extensive; Cheap; And owing to be that wear resistance, bite-resistant performance are superior, as time of material for sliding bearing also relatively for a long time, but the bearing capacity of aluminum alloy low be problem in the industry always.Therefore, develop a kind of high tenacity and cheap sliding bearing new material becomes main now problem.
Summary of the invention
The purpose of this invention is to provide that a kind of fatigue resistance is high, wear resistance is good, cost is low, the high-strength bearing liner base layer of environmental protection.
Technological scheme of the present invention is:
A kind of high-strength bearing liner base layer; It is characterized in that said bearing shell base layer is positioned at the top of steel back layer; Said base layer is the aluminum alloy top layer, and wherein the weight percent proportioning of each element is: any or any two kinds of combinations 0.1～5%, impurity≤0.5%, surpluses are aluminium in tin 3.5～9.0%, silicon 1.5～5.0%, copper 0.1～5.0%, nickel 0.1～3.0%, manganese 0.1～0.5%, vanadium 0.1～0.3%, rhenium or lanthanum or the cerium.
The weight percentage of each element specifically can be in the said aluminum alloy top layer:
In the said aluminum alloy top layer: 5.5% tin, 2.5% silicon, 1.0% copper, 1.0% nickel, 0.2% manganese, 0.15% vanadium, 4.0% rhenium, surplus is an aluminium.
In the said aluminum alloy top layer: 5.5% tin, 3.0% silicon, 0.9% copper, 1.1% nickel, 0.25% manganese, 0.18% vanadium, 4.0% lanthanum, surplus is an aluminium.
In the said aluminum alloy top layer: 6.5% tin, 1.5% silicon, 2.0% copper, 0.7% nickel, 0.25% manganese, 0.10% vanadium, 4.0% cerium, surplus is an aluminium.
In the said aluminum alloy top layer: 6.0% tin, 3.0% silicon, 0.7% copper, 2.0% nickel, 0.5% manganese, 0.5% vanadium, 2.0% cerium, 3.0% lanthanum, surplus is an aluminium.
The present invention also provides a kind of method of producing the high-strength bearing liner base layer, may further comprise the steps:
1) with aluminium, tin, silicon, copper, nickel, manganese, vanadium material in advance batching melt refining;
2) add in rhenium or lanthanum or the cerium any one or any two kinds of refinings after the degasification again, rolling through repeatedly, process aluminium ingot;
3) then aluminium ingot is compound on the steel plate, finally forms the high-strength bearing liner base layer.
Through experimental verification, each material that adds among the present invention have respectively following effect 1. tin be to be added into as producing the composition of soft constituent element and aluminium generation eutectic.Add tin, the surface property of alloy is improved, improve the corrosion resistance of alloy; If the content of tin is too high, with intensity that influences alloy and hardness.Experiment showed, that the content when tin surpasses after 13%, hardness of alloy descends more than 15%.When the content of tin is too low, be lower than at 3% o'clock, the corrosion resistance of alloy descends more than 50%.2. silicon is intensity, bearing capacity, wear resistance, corrosion resistance, recrystallization temperature and seizure resistance can be provided and reduce thermal expansion coefficient.To steel the time, the silicon in the alloy can also prevent the formation of crisp iron-aluminum compound, helps improving the adhesion strength of bearing interlayer with aluminum alloy rolled.Along with the rising of silicone content, separate out the silicon particle in the alloy, hardness of alloy significantly strengthens.When the content of silicon reaches 5%, under the fatigue strength of alloy more than 20%.When silicone content surpasses 5%, plasticity and machinability deterioration.3. nickel is the Young's modulus that can improve alloy, ability reinforced alloys, the heat-resisting quantity of raising alloy.If nickel content is too high, hardness of alloy significantly strengthens.When content 3%, hardness improves 10%; When content reached 5%, hardness improved more than 20%.The corrosion resistance of alloy significantly descends.Simultaneously, because hardness is high, the technology capability of material descends.The life-span of cutter descends more than 30%.4. vanadium, manganese can improve the Young's modulus of alloy; Reduce the influence of poisonous metals such as iron, improve the metallographic structure of alloy, thereby play the effect of reinforced alloys.If too high levels will cause the segregation of alloy.Through experiment, when the content of manganese vanadium surpassed 0.8%, the metallographic skewness was deposited a large amount of needle-like or leaf-like tissue in the alloy.5. copper can improve the Young's modulus of alloy, plays the effect of reinforced aluminium alloy, also can reduce the degree that alloy rigidity reduces under the high temperature.6. in aluminum alloy, add trace rare-earth element, can significantly improve the metallographic structure of aluminum alloy, crystal grain thinning; Remove gas and objectionable impurities in the aluminum alloy, reduce the formation of crack of aluminum alloy, thereby improve the intensity of aluminum alloy; Improve processibility, can also improve heat resistance, plasticity and the forgeability of aluminum alloy, improve hardness, gain in strength and toughness; But because the rare earth expensive, in order to reduce cost, can not excessive use.
This shows that beneficial effect of the present invention is: one, compare traditional aluminum alloy material and have fatigue resistance height, good corrosion resistance, advantage that bearing capacity is high; Two, compare copper base bearing shell material and have advantage cheaply; Three, material of the present invention is not leaded, meets environmental protection requirement.
Description of drawings
Fig. 1 is the structural representation that dissects of high-strength bearing liner base layer of the present invention.
Embodiment
High-strength bearing liner base layer of the present invention is made up of aluminum alloy, and the weight percent proportioning of each element is in this aluminum alloy: any or any two kinds of combinations 0.1～5%, impurity≤0.5%, surpluses are aluminium in tin 3.5～9.0%, silicon 1.5～5.0%, copper 0.1～5.0%, nickel 0.1～3.0%, manganese 0.1～0.5%, vanadium 0.1～0.3%, rhenium or lanthanum or the cerium.
The weight percent proportioning of said aluminum alloy: 5.5% tin, 2.5% silicon, 1.0% copper, 1.0% nickel, 0.2% manganese, 0.15% vanadium, 4.0% rhenium, surplus is an aluminium.
The weight percent proportioning of said aluminum alloy: 5.5% tin, 3.0% silicon, 0.9% copper, 1.1% nickel, 0.25% manganese, 0.18% vanadium, 4.0% lanthanum, surplus is an aluminium.
Embodiment 3
The weight percent proportioning of said aluminum alloy: 6.5% tin, 1.5% silicon, 2.0% copper, 0.7% nickel, 0.25% manganese, 0.10% vanadium, 4.0% cerium, surplus is an aluminium.
Embodiment 4
6.0% tin, 3.0% silicon, 0.7% copper, 2.0% nickel, 0.5% manganese, 0.5% vanadium, 2.0% cerium, 3.0% lanthanum, surplus is an aluminium.
Embodiment 5
A kind of production method of high-strength bearing liner base layer is aluminium, tin, silicon, copper, nickel, manganese, vanadium material to be prepared burden in advance melt refining; Add any or two kinds of refinings in rhenium or lanthanum or the cerium after the degasification again; Rolling through repeatedly; Process aluminium ingot, be compound to then on the steel plate, finally form the high tensile aluminium alloy sliding bearing.
As shown in Figure 1, the high-strength bearing liner base layer is made up of aluminium alloy layer 2, and aluminium alloy layer 2 is positioned on the steel back layer 1.
The performance comparison of the present invention and existing technology comparative example is as shown in table 1 below:
Table 1
Adopt the fatigue resistance of " sapphire fatigue test board " copper test alloy material in the table 1, when the fatigue resistance of material reaches 120MPa, fatigue does not take place meet the internal-combustion engine requirement.
Adopt the corrosion resistance of " salt spray test chamber " test material in the table 1, the corrosion resistance of material of the present invention all will be got well than tin aluminium in the comparative example and Gao Xi aluminium material.
In sum, the various performance performances of the present invention are excellent.
Claims (6)
1. high-strength bearing liner base layer; It is characterized in that: said bearing shell base layer is positioned at the top of steel back layer; Said base layer is the aluminum alloy top layer, and wherein the weight percent proportioning of each element is: any or any two kinds of combinations 0.1～5%, impurity≤0.5%, surpluses are aluminium in tin 3.5～9.0%, silicon 1.5～5.0%, copper 0.1～5.0%, nickel 0.1～3.0%, manganese 0.1～0.5%, vanadium 0.1～0.3%, rhenium or lanthanum or the cerium.
2. a kind of high-strength bearing liner base layer according to claim 1; It is characterized in that: the weight percentage of each element is 5.5% tin, 2.5% silicon, 1.0% copper, 1.0% nickel, 0.2% manganese, 0.15% vanadium, 4.0% rhenium in the said aluminum alloy top layer, and surplus is an aluminium.
3. a kind of high-strength bearing liner base layer according to claim 1; It is characterized in that: the weight percentage of each element is 5.5% tin, 3.0% silicon, 0.9% copper, 1.1% nickel, 0.25% manganese, 0.18% vanadium, 4.0% lanthanum in the said aluminum alloy top layer, and surplus is an aluminium.
4. a kind of high-strength bearing liner base layer according to claim 1; It is characterized in that: the weight percentage of each element is 6.5% tin, 1.5% silicon, 2.0% copper, 0.7% nickel, 0.25% manganese, 0.10% vanadium, 4.0% cerium in the said aluminum alloy top layer, and surplus is an aluminium.
5. a kind of high-strength bearing liner base layer according to claim 1; It is characterized in that: the weight percentage of each element is 6.0% tin, 3.0% silicon, 0.7% copper, 2.0% nickel, 0.5% manganese, 0.5% vanadium, 2.0% cerium, 3.0% lanthanum in the said aluminum alloy top layer, and surplus is an aluminium.
6. the method for described any one high-strength bearing liner base layer of production claim 1 ~ 5 may further comprise the steps:
1) with aluminium, tin, silicon, copper, nickel, manganese, vanadium material in advance batching melt refining;
2) add in rhenium or lanthanum or the cerium any one or any two kinds of refinings after the degasification again, rolling through repeatedly, process aluminium ingot;
3) then aluminium ingot is compound on the steel plate, finally forms a kind of high-strength bearing liner base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001392.4A CN102518672B (en) | 2012-01-05 | 2012-01-05 | A kind of method and high-strength bearing bush basal layer producing high-strength bearing bush basal layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001392.4A CN102518672B (en) | 2012-01-05 | 2012-01-05 | A kind of method and high-strength bearing bush basal layer producing high-strength bearing bush basal layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518672A true CN102518672A (en) | 2012-06-27 |
| CN102518672B CN102518672B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210001392.4A Expired - Fee Related CN102518672B (en) | 2012-01-05 | 2012-01-05 | A kind of method and high-strength bearing bush basal layer producing high-strength bearing bush basal layer |
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| CN (1) | CN102518672B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900767A (en) * | 2012-09-28 | 2013-01-30 | 广州安达精密工业股份有限公司 | Bearing bush |
| CN104651675A (en) * | 2013-11-20 | 2015-05-27 | 江西华友机械有限公司 | A heat-treatment-free cast aluminium alloy material and a producing process thereof |
| CN105441739A (en) * | 2015-12-24 | 2016-03-30 | 黄山市强峰铝业有限公司 | Anti-corrosion aluminum alloy material and preparation method thereof |
| CN107760936A (en) * | 2016-08-19 | 2018-03-06 | 马勒国际有限公司 | Aluminium alloy synthetic for sliding members |
| CN112078200A (en) * | 2020-09-16 | 2020-12-15 | 湖北大瀛复合材料有限公司 | Bimetallic coil tape for preparing engine bearing bush |
| CN113059872A (en) * | 2021-03-12 | 2021-07-02 | 嘉善双飞润滑材料有限公司 | Aluminum-tin alloy-steel composite material and preparation method thereof |
| CN115505793A (en) * | 2022-08-29 | 2022-12-23 | 四川双飞虹精密部件有限公司 | Bearing bush composite material and preparation method thereof |
| CN115584414A (en) * | 2022-08-29 | 2023-01-10 | 四川双飞虹精密部件有限公司 | High-hardness wear-resistant bearing bush material and preparation method thereof |
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| US4617172A (en) * | 1981-07-02 | 1986-10-14 | Daido Metal Company Ltd. | Aluminum alloys of high wear resistance and good anti-seizure property suitable for use as bearing metals |
| US20010006608A1 (en) * | 1999-12-14 | 2001-07-05 | Dana Corporation | Bearing materials |
| CN1752249A (en) * | 2005-10-14 | 2006-03-29 | 上海大学 | Self-lubricating high-wear-proof hypereutectic Al-Si alloy |
| CN101985706A (en) * | 2010-11-18 | 2011-03-16 | 江苏万里活塞轴瓦有限公司 | Aluminum alloy material for hot precision forging connection rod and preparation method thereof |
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2012
- 2012-01-05 CN CN201210001392.4A patent/CN102518672B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617172A (en) * | 1981-07-02 | 1986-10-14 | Daido Metal Company Ltd. | Aluminum alloys of high wear resistance and good anti-seizure property suitable for use as bearing metals |
| US20010006608A1 (en) * | 1999-12-14 | 2001-07-05 | Dana Corporation | Bearing materials |
| CN1752249A (en) * | 2005-10-14 | 2006-03-29 | 上海大学 | Self-lubricating high-wear-proof hypereutectic Al-Si alloy |
| CN101985706A (en) * | 2010-11-18 | 2011-03-16 | 江苏万里活塞轴瓦有限公司 | Aluminum alloy material for hot precision forging connection rod and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900767A (en) * | 2012-09-28 | 2013-01-30 | 广州安达精密工业股份有限公司 | Bearing bush |
| CN102900767B (en) * | 2012-09-28 | 2015-04-22 | 广州安达精密工业股份有限公司 | Bearing bush |
| CN104651675A (en) * | 2013-11-20 | 2015-05-27 | 江西华友机械有限公司 | A heat-treatment-free cast aluminium alloy material and a producing process thereof |
| CN105441739A (en) * | 2015-12-24 | 2016-03-30 | 黄山市强峰铝业有限公司 | Anti-corrosion aluminum alloy material and preparation method thereof |
| CN107760936A (en) * | 2016-08-19 | 2018-03-06 | 马勒国际有限公司 | Aluminium alloy synthetic for sliding members |
| CN112078200A (en) * | 2020-09-16 | 2020-12-15 | 湖北大瀛复合材料有限公司 | Bimetallic coil tape for preparing engine bearing bush |
| CN113059872A (en) * | 2021-03-12 | 2021-07-02 | 嘉善双飞润滑材料有限公司 | Aluminum-tin alloy-steel composite material and preparation method thereof |
| CN115505793A (en) * | 2022-08-29 | 2022-12-23 | 四川双飞虹精密部件有限公司 | Bearing bush composite material and preparation method thereof |
| CN115584414A (en) * | 2022-08-29 | 2023-01-10 | 四川双飞虹精密部件有限公司 | High-hardness wear-resistant bearing bush material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102518672B (en) | 2016-02-10 |
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