CN104561675A - Automobile aluminum base alloy bearing and preparation method thereof - Google Patents
Automobile aluminum base alloy bearing and preparation method thereof Download PDFInfo
- Publication number
- CN104561675A CN104561675A CN201510013707.0A CN201510013707A CN104561675A CN 104561675 A CN104561675 A CN 104561675A CN 201510013707 A CN201510013707 A CN 201510013707A CN 104561675 A CN104561675 A CN 104561675A
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- base alloy
- aluminum base
- refining
- alloy bearing
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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 an automobile aluminum base alloy bearing and a preparation method thereof. The automobile aluminum base alloy bearing comprises the following raw materials by mass percent: 7.70-11.00% of lead, 4.00-7.50% of tin, 1.00-10.00% of silicon, 0.80-1.00% of copper, 0.15-0.30% of manganese, 0.80-1.20% of magnesium, 0.10-0.30% of chrome, 0.50-1.00% of nickel, 0.50-1.40% of zinc, 0.10-1.50% of titanium and 64.80-84.35% of aluminum. The raw materials are weighed, smelt and cast and are subjected to aging treatment to prepare the automobile aluminum base alloy bearing. The process is simple, the automobile aluminum base alloy bearing has high fatigue resistance, good abrasive resistance, excellent frictional characteristic and good anti-friction performance, anti-adhesion performance and embedded hide performance, and then the service of the bearing is effectively prolonged.
Description
Technical field
The present invention relates to automobile component field, specifically a kind of car aluminum base alloy bearing and preparation method thereof.
Background technology
Bearing materials is the material manufacturing the part such as bearing shell, axle sleeve, these parts need directly and axle or journal engagement rub, therefore bearing materials must have good antifriction quality, wear resistance, embedding Tibetan property, conformability, erosion resistance and enough supporting capacitys, to reduce frictional dissipation, extend the work-ing life of bearing.
Z-alloy is based on aluminium, adds the alloy that tin etc. is elementary composition.Z-alloy not only has higher thermal conductivity, higher solidity to corrosion, higher fatigue strength and higher hot strength, and low price.But there is a large defect in Z-alloy---the coefficient of expansion of Z-alloy is comparatively large, seizure resistance is poor, and this defect seriously limits its range of application.
Summary of the invention
The object of the present invention is to provide a kind of car aluminum base alloy bearing and preparation method thereof with higher fatigue resistance, preferably wear resistance, excellent rubbing characteristics, good anti-attrition, seizure resistance and embedding Tibetan property.
For achieving the above object, the invention provides following technical scheme:
A kind of car aluminum base alloy bearing, comprises plumbous 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.
The preparation method of described car aluminum base alloy bearing, comprises the following steps:
1) weighing: according to above-mentioned mass percent, take raw material;
2) melting: step 1) gained raw material is added smelting furnace from low to high by the fusing point of each metallic element, carry out melting and constantly stir, smelting temperature is 750-780 DEG C;
3) refining: toward step 2) add the refining agent of the 0.2-0.25% of mixture quality in the compound that obtains of melting, carry out refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min;
4) cast: after step 3) reaction terminates, take the scum silica frost on molten metal surface off, after then molten metal being left standstill 5-8min, carry out casting;
5) ageing treatment: after casting completes, carries out air cooling to the 300-350 DEG C of insulation ageing treatment of 6-8 hour to cast member.
As the further scheme of the present invention: described refining agent is one or more the mixture in hexachloroethane, Sodium Silicofluoride and Sodium tetrafluoroborate.
Compared with prior art, the invention has the beneficial effects as follows: present invention process is simple, the car aluminum base alloy bearing prepared not only has higher fatigue resistance, preferably wear resistance, excellent rubbing characteristics, and there is good anti-attrition, seizure resistance and embedding Tibetan property, thus effectively extend the work-ing life of bearing.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of car aluminum base alloy bearing, comprises lead 7.70%, 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% and aluminium 84.35% according to the raw material of mass percent.
The preparation method of described car aluminum base alloy bearing, comprises the following steps:
1) weighing: according to above-mentioned mass percent, take raw material;
2) melting: step 1) gained raw material is added smelting furnace from low to high by the fusing point of each metallic element, carry out melting and constantly stir, smelting temperature is 750-780 DEG C;
3) refining: toward step 2) add the hexachloroethane of the 0.2-0.25% of mixture quality as refining agent in the compound that obtains of melting, carry out refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min;
4) cast: after step 3) reaction terminates, take the scum silica frost on molten metal surface off, after then molten metal being left standstill 5-8min, carry out casting;
5) ageing treatment: after casting completes, carries out air cooling to the 300-350 DEG C of insulation ageing treatment of 6-8 hour to cast member.
Embodiment 2
In the embodiment of the present invention, a kind of car aluminum base alloy bearing, comprises lead 9.00%, 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% and aluminium 74.58% according to the raw material of mass percent.
The preparation method of described car aluminum base alloy bearing, comprises the following steps:
1) weighing: according to above-mentioned mass percent, take raw material;
2) melting: step 1) gained raw material is added smelting furnace from low to high by the fusing point of each metallic element, carry out melting and constantly stir, smelting temperature is 750-780 DEG C;
3) refining: toward step 2) add the Sodium Silicofluoride of the 0.2-0.25% of mixture quality as refining agent in the compound that obtains of melting, carry out refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min;
4) cast: after step 3) reaction terminates, take the scum silica frost on molten metal surface off, after then molten metal being left standstill 5-8min, carry out casting;
5) ageing treatment: after casting completes, carries out air cooling to the 300-350 DEG C of insulation ageing treatment of 6-8 hour to cast member.
Embodiment 3
In the embodiment of the present invention, a kind of car aluminum base alloy bearing, comprises lead 11.00%, 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% according to the raw material of mass percent.
The preparation method of described car aluminum base alloy bearing, comprises the following steps:
1) weighing: according to above-mentioned mass percent, take raw material;
2) melting: step 1) gained raw material is added smelting furnace from low to high by the fusing point of each metallic element, carry out melting and constantly stir, smelting temperature is 750-780 DEG C;
3) refining: toward step 2) add the 0.2-0.25% Sodium tetrafluoroborate of mixture quality as refining agent in the compound that obtains of melting, carry out refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min;
4) cast: after step 3) reaction terminates, take the scum silica frost on molten metal surface off, after then molten metal being left standstill 5-8min, carry out casting;
5) ageing treatment: after casting completes, carries out air cooling to the 300-350 DEG C of insulation ageing treatment of 6-8 hour to cast member.
Present invention process is simple, the car aluminum base alloy bearing prepared not only has higher fatigue resistance, preferably wear resistance, excellent rubbing characteristics, and there is good anti-attrition, seizure resistance and embedding Tibetan property, thus effectively extend the work-ing life of bearing.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. a car aluminum base alloy bearing, it is characterized in that, comprise plumbous 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.
2. a preparation method for car aluminum base alloy bearing as claimed in claim 1, is characterized in that, comprise the following steps:
1) weighing: according to above-mentioned mass percent, take raw material;
2) melting: step 1) gained raw material is added smelting furnace from low to high by the fusing point of each metallic element, carry out melting and constantly stir, smelting temperature is 750-780 DEG C;
3) refining: toward step 2) add the refining agent of the 0.2-0.25% of mixture quality in the compound that obtains of melting, carry out refining and slow uniform stirring, refining temperature is 750-760 DEG C, and refining time is 15-25min;
4) cast: after step 3) reaction terminates, take the scum silica frost on molten metal surface off, after then molten metal being left standstill 5-8min, carry out casting;
5) ageing treatment: after casting completes, carries out air cooling to the 300-350 DEG C of insulation ageing treatment of 6-8 hour to cast member.
3. the preparation method of car aluminum base alloy bearing according to claim 2, is characterized in that, described refining agent is one or more the mixture in hexachloroethane, Sodium Silicofluoride and Sodium tetrafluoroborate.
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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| CN104561675A true CN104561675A (en) | 2015-04-29 |
| CN104561675B CN104561675B (en) | 2017-06-16 |
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| CN201510013707.0A Expired - Fee Related CN104561675B (en) | 2015-01-12 | 2015-01-12 | A kind of car aluminum based alloy bearing and preparation method thereof |
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Cited By (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 |
| CN107217179A (en) * | 2017-05-31 | 2017-09-29 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412972A (en) * | 1982-03-31 | 1983-11-01 | Daido Metal Co., Inc. | Aluminum base bearing alloy |
| US4789607A (en) * | 1985-09-13 | 1988-12-06 | Ndc Company, Ltd. | Aluminum bearing alloy and two-layer bearing material having bearing layer of aluminum bearing alloy therein |
| JPH04297539A (en) * | 1991-03-26 | 1992-10-21 | Ndc Co Ltd | Alambda-sn-si-pb bearing material |
| CN101569926A (en) * | 2009-05-27 | 2009-11-04 | 中国兵器工业第五二研究所 | Method for casting aluminum piston with insert ring and cooling coil pipe |
-
2015
- 2015-01-12 CN CN201510013707.0A patent/CN104561675B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412972A (en) * | 1982-03-31 | 1983-11-01 | Daido Metal Co., Inc. | Aluminum base bearing alloy |
| US4789607A (en) * | 1985-09-13 | 1988-12-06 | Ndc Company, Ltd. | Aluminum bearing alloy and two-layer bearing material having bearing layer of aluminum bearing alloy therein |
| JPH04297539A (en) * | 1991-03-26 | 1992-10-21 | Ndc Co Ltd | Alambda-sn-si-pb bearing material |
| CN101569926A (en) * | 2009-05-27 | 2009-11-04 | 中国兵器工业第五二研究所 | Method for casting aluminum piston with insert ring and cooling coil pipe |
Cited By (8)
| 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 |
| CN107217179A (en) * | 2017-05-31 | 2017-09-29 | 中信戴卡股份有限公司 | A kind of aluminum alloy materials, preparation method and use |
| 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 |
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| CN104561675B (en) | 2017-06-16 |
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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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