CN104561675B - A kind of car aluminum based alloy bearing and preparation method thereof - Google Patents
A kind of car aluminum based alloy bearing and preparation method thereof Download PDFInfo
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- CN104561675B CN104561675B CN201510013707.0A CN201510013707A CN104561675B CN 104561675 B CN104561675 B CN 104561675B CN 201510013707 A CN201510013707 A CN 201510013707A CN 104561675 B CN104561675 B CN 104561675B
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- based alloy
- aluminum based
- refining
- alloy bearing
- car aluminum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of car aluminum based alloy bearing and preparation method thereof, the car aluminum based alloy bearing includes lead 7.70 11.00%, tin 4.00 7.50%, silicon 1.00 10.00%, copper 0.80 1.00%, manganese 0.15 0.30%, magnesium 0.80 1.20%, chromium 0.10 0.30%, nickel 0.50 1.00%, zinc 0.50 1.40%, titanium 0.10 1.50% and aluminium 64.80 84.35% according to the raw material of mass percent, is obtained by weighing, melting, refining, casting and Ageing Treatment series of steps.Present invention process is simple, the car aluminum based alloy bearing prepared not only has fatigue resistance higher, preferable wearability, excellent frictional behavior, and with good anti-attrition, seizure resistance and embedding Tibetan property, so as to effectively extend the service life of bearing.
Description
Technical field
The present invention relates to auto parts and components field, specifically a kind of car aluminum based alloy bearing and preparation method thereof.
Background technology
Bearing material is the material for manufacturing the parts such as bearing shell, axle sleeve, and these parts need directly to enter with axle or journal engagement
Row friction, therefore bearing material must have good antifriction quality, wearability, embedding Tibetan property, compliance, corrosion resistance and enough
Bearing capacity, to reduce frictional dissipation, extends the service life of bearing.
Palium is the alloy that the elements such as tin composition is added based on aluminium.Palium not only has
Thermal conductivity higher, corrosion resistance higher, fatigue strength higher and elevated temperature strength higher, and it is cheap.However, aluminium
There is a big defect in base bearing alloy --- and the coefficient of expansion of palium is larger, seizure resistance is poor, and the defect is tight
Its range of application is limited again.
The content of the invention
It is an object of the invention to provide a kind of with fatigue resistance higher, preferable wearability, excellent friction
Car aluminum based alloy bearing of characteristic, good anti-attrition, seizure resistance and embedding Tibetan property and preparation method thereof.
To achieve the above object, the present invention provides following technical scheme：
A kind of car aluminum based alloy bearing, lead 7.70-11.00%, tin 4.00- are included according to the raw material of mass percent
7.50%th, silicon 1.00-10.00%, copper 0.80-1.00%, manganese 0.15-0.30%, magnesium 0.80-1.20%, chromium 0.10-0.30%, nickel
0.50-1.00%, zinc 0.50-1.40%, titanium 0.10-1.50% and aluminium 64.80-84.35%.
The preparation method of described car aluminum based alloy bearing, comprises the following steps：
1）Weighing：According to above-mentioned mass percent, raw material is weighed；
2）Melting：By step 1）Gained raw material adds smelting furnace from low to high by the fusing point of each metallic element, carries out melting
And be stirred continuously, smelting temperature is 750-780 DEG C；
3）Refining：Toward step 2）The refining agent of the 0.2-0.25% of mixture quality is added in the compound that melting is obtained, is entered
Row refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min；
4）Casting：Treat step 3）After reaction terminates, the scum silica frost on molten metal surface is taken off, molten metal is then stood into 5-8min
Afterwards, casting is carried out；
5）Ageing Treatment：After the completion of casting, to cast member be air cooled to 300-350 DEG C of insulation 6-8 hours
Ageing Treatment.
As further scheme of the invention：The refining agent is in carbon trichloride, prodan and sodium fluoborate
Plant or two or more mixtures.
Compared with prior art, the beneficial effects of the invention are as follows：Present invention process is simple, and the car aluminum base prepared is closed
Golden bearing not only has fatigue resistance higher, preferable wearability, excellent frictional behavior, and with good anti-attrition
Property, seizure resistance and embedding Tibetan property, so as to effectively extend the service life of bearing.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of car aluminum based alloy bearing includes lead according to the raw material of mass percent
7.70%th, tin 4.00%, silicon 1.00%, copper 0.80%, manganese 0.15%, magnesium 0.80%, chromium 0.10%, nickel 0.50%, zinc 0.50%, titanium 0.10%
With aluminium 84.35%.
The preparation method of described car aluminum based alloy bearing, comprises the following steps：
1）Weighing：According to above-mentioned mass percent, raw material is weighed；
2）Melting：By step 1）Gained raw material adds smelting furnace from low to high by the fusing point of each metallic element, carries out melting
And be stirred continuously, smelting temperature is 750-780 DEG C；
3）Refining：Toward step 2）The carbon trichloride of the 0.2-0.25% of mixture quality is added in the compound that melting is obtained
As refining agent, refine and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min；
4）Casting：Treat step 3）After reaction terminates, the scum silica frost on molten metal surface is taken off, molten metal is then stood into 5-8min
Afterwards, casting is carried out；
5）Ageing Treatment：After the completion of casting, to cast member be air cooled to 300-350 DEG C of insulation 6-8 hours
Ageing Treatment.
Embodiment 2
In the embodiment of the present invention, a kind of car aluminum based alloy bearing includes lead according to the raw material of mass percent
9.00%th, tin 5.50%, silicon 6.00%, copper 0.90%, manganese 0.22%, magnesium 1.00%, chromium 0.20%, nickel 0.75%, zinc 1.05%, titanium 0.80%
With aluminium 74.58%.
The preparation method of described car aluminum based alloy bearing, comprises the following steps：
1）Weighing：According to above-mentioned mass percent, raw material is weighed；
2）Melting：By step 1）Gained raw material adds smelting furnace from low to high by the fusing point of each metallic element, carries out melting
And be stirred continuously, smelting temperature is 750-780 DEG C；
3）Refining：Toward step 2）The prodan of the 0.2-0.25% of mixture quality is added in the compound that melting is obtained
As refining agent, refine and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min；
4）Casting：Treat step 3）After reaction terminates, the scum silica frost on molten metal surface is taken off, molten metal is then stood into 5-8min
Afterwards, casting is carried out；
5）Ageing Treatment：After the completion of casting, to cast member be air cooled to 300-350 DEG C of insulation 6-8 hours
Ageing Treatment.
Embodiment 3
In the embodiment of the present invention, a kind of car aluminum based alloy bearing includes lead according to the raw material of mass percent
11.00%th, tin 7.50%, silicon 10.00%, copper 1.00%, manganese 0.30%, magnesium 1.20%, chromium 0.30%, nickel 1.00%, zinc 1.40%, titanium
1.50% and aluminium 64.80%.
The preparation method of described car aluminum based alloy bearing, comprises the following steps：
1）Weighing：According to above-mentioned mass percent, raw material is weighed；
2）Melting：By step 1）Gained raw material adds smelting furnace from low to high by the fusing point of each metallic element, carries out melting
And be stirred continuously, smelting temperature is 750-780 DEG C；
3）Refining：Toward step 2）The 0.2-0.25% sodium fluoborates of mixture quality are added to make in the compound that melting is obtained
It is refining agent, refine and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min；
4）Casting：Treat step 3）After reaction terminates, the scum silica frost on molten metal surface is taken off, molten metal is then stood into 5-8min
Afterwards, casting is carried out；
5）Ageing Treatment：After the completion of casting, to cast member be air cooled to 300-350 DEG C of insulation 6-8 hours
Ageing Treatment.
Present invention process is simple, the car aluminum based alloy bearing prepared not only have fatigue resistance higher, compared with
Good wearability, excellent frictional behavior, and with good anti-attrition, seizure resistance and embedding Tibetan property, so as to effectively prolong
The service life of bearing is grown.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (3)
1. a kind of car aluminum based alloy bearing, it is characterised in that the raw material according to mass percent includes lead 7.70-
11.00%th, tin 4.00-7.50%, silicon 1.00-10.00%, copper 0.80-1.00%, manganese 0.15-0.30%, magnesium 0.80-1.20%, chromium
0.10-0.30%, nickel 0.50-1.00%, zinc 0.50-1.40%, titanium 0.10-1.50% and aluminium 64.80-84.35%.
2. a kind of preparation method of car aluminum based alloy bearing as claimed in claim 1, it is characterised in that including following step
Suddenly：
1）Weighing：According to above-mentioned mass percent, raw material is weighed；
2）Melting：By step 1）Gained raw material adds smelting furnace from low to high by the fusing point of each metallic element, carries out melting not
Disconnected stirring, smelting temperature is 750-780 DEG C；
3）Refining：Toward step 2）The refining agent of the 0.2-0.25% of mixture quality is added in the compound that melting is obtained, essence is carried out
Refine and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min；
4）Casting：Treat step 3）After reaction terminates, the scum silica frost on molten metal surface is taken off, after molten metal then is stood into 5-8min,
Carry out casting；
5）Ageing Treatment：After the completion of casting, cast member is carried out to be air cooled to the 300-350 DEG C of timeliness of insulation 6-8 hours
Treatment.
3. the preparation method of car aluminum based alloy bearing according to claim 2, it is characterised in that the refining agent is
One or more mixture in carbon trichloride, prodan and sodium fluoborate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013707.0A CN104561675B (en) | 2015-01-12 | 2015-01-12 | A kind of car aluminum based alloy bearing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013707.0A CN104561675B (en) | 2015-01-12 | 2015-01-12 | A kind of car aluminum based alloy bearing and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104561675A CN104561675A (en) | 2015-04-29 |
| CN104561675B true CN104561675B (en) | 2017-06-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238960A (en) * | 2015-10-15 | 2016-01-13 | 郭进标 | Aluminum alloy doped with cerium chloride and preparation method of aluminum alloy |
| CN105238959A (en) * | 2015-10-15 | 2016-01-13 | 郭进标 | Tungsten doped aluminum alloy and preparation method thereof |
| CN105624489A (en) * | 2016-01-27 | 2016-06-01 | 东莞佛亚铝业有限公司 | Abrasion-resistant aluminum alloy door frame and preparation method thereof |
| CN105648281A (en) * | 2016-01-27 | 2016-06-08 | 东莞佛亚铝业有限公司 | Aluminum base alloy for automobile bearing and manufacturing method of aluminum base alloy |
| CN105714180A (en) * | 2016-02-23 | 2016-06-29 | 桐乡市搏腾贸易有限公司 | High-strength alloy used for mining mechanical device and production method for high-strength alloy |
| CN106048318A (en) * | 2016-07-13 | 2016-10-26 | 安徽瑞林汽配有限公司 | Aluminium-matrix alloy bearing material for automobile |
| CN107217179B (en) * | 2017-05-31 | 2019-03-19 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58171545A (en) * | 1982-03-31 | 1983-10-08 | Daido Metal Kogyo Kk | Bearing aluminum alloy |
| GB2182348B (en) * | 1985-09-13 | 1989-08-23 | Nippon Dia Clevite Co | Aluminium alloy and its use in a two-layer bearing material |
| JPH04297539A (en) * | 1991-03-26 | 1992-10-21 | Ndc Co Ltd | Alambda-sn-si-pb bearing material |
| CN101569926B (en) * | 2009-05-27 | 2011-09-28 | 中国兵器工业第五二研究所 | Method for casting aluminum piston with insert ring and cooling coil pipe |
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Effective date of registration: 20170515 Address after: Mei Cheng Road Economic Development Zone, Jiangsu Province, Huaian City, No. 4, 223005 Applicant after: Jiangsu food and medicine Vocationl Technical College Address before: Mei Cheng Road Economic Development Zone, 223005 Jiangsu city of Huaian province No. 4 Jiangsu food and drug Career Technical College Applicant before: Xu Yunfei |
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