CN107083506B - A kind of automobile wearproof corrosion-resistant alloy lagging material and preparation method thereof - Google Patents
A kind of automobile wearproof corrosion-resistant alloy lagging material and preparation method thereof Download PDFInfo
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- CN107083506B CN107083506B CN201710223255.8A CN201710223255A CN107083506B CN 107083506 B CN107083506 B CN 107083506B CN 201710223255 A CN201710223255 A CN 201710223255A CN 107083506 B CN107083506 B CN 107083506B
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—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
- 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
- C22F1/053—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 zinc as the next major constituent
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Abstract
The invention discloses a kind of automobile wearproof corrosion-resistant alloy lagging materials and preparation method thereof, the alloy bushing material, it is made of the raw material below according to mass percent: Sr0.1-0.5%, Bi0.02-0.06%, Ce0.31-0.39%, Zn11-15%, Li1.3-1.7%, Ga0.08-0.16%, surplus Al.Raw material is put into melting in intermediate frequency furnace after ingredient, temperature is controlled in 800 DEG C of refining 40-50min, it skims during this period, it then heats to 820 DEG C and refines 20-30min at such a temperature, it then heats to 850 DEG C and refines 30-35min at such a temperature, it then heats to 880 DEG C and refines 20-25min at such a temperature, tapping casting ingot；After homogenizing annealing to obtain the final product.Alloy bushing material of the invention has very excellent mechanical property, especially there is preferable hardness and elasticity, it is also equipped with excellent corrosion-resistant, wear-resisting property, softening power resistant to high temperatures is good, especially suitable for manufacturing automobile bushing, preparation process is simple, and the mechanical performance conspicuousness of aluminium alloy improves, and is suitable for industrialized production.
Description
Technical field
The present invention relates to technical field of alloy, specifically a kind of automobile wearproof corrosion-resistant alloy lagging material and its preparation side
Method.
Background technique
Bushing plays the ring set of liner.In valve application field, bushing generally uses polytetrafluoroethyl-ne within valve deck
The anticorrosive materials such as alkene or graphite are used for sealing function.In general, bushing and seat, which use, is interference fitted, and between axis use
Gap cooperation because no matter how or not can avoid abrasion, the service life can only be extended, and comparatively axial workpiece compares appearance
Easy processing；But increase cost when manufacture, but after use after a period of time, when maintenance, still will change in this manner
It makes, but the precision easy to transform for causing equipment reduces, because secondary operation is not can guarantee the supplement one of the position at bore center
A bit, axle sleeve is lower in some revolving speeds, and radial load is higher and clearance requirement higher local (such as camshaft) is used to substitute rolling
Bearing (in fact axle sleeve also at last a kind of sliding bearing), bushing must have good elasticity, wearability and consistency；Due to
Wheel nearby works, bad environments, high temperature can be generated in braking process, so it will also have resistant to high temperatures, antistatic, corrosion stability etc.
Feature.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile wearproof corrosion-resistant alloy lagging materials and preparation method thereof, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of automobile wearproof corrosion-resistant alloy lagging material, is made of: Sr0.1- the raw material below according to mass percent
0.5%, Bi0.02-0.06%, Ce0.31-0.39%, Zn11-15%, Li1.3-1.7%, Ga0.08-0.16%, surplus are
Al。
As a further solution of the present invention: the automobile wearproof corrosion-resistant alloy lagging material, by below according to quality
The raw material of percentage forms: Sr0.2-0.4%, Bi0.03-0.05%, Ce0.33-0.37%, Zn12-14%, Li1.4-
1.6%, Ga0.1-0.14%, surplus Al.
As a further solution of the present invention: the automobile wearproof corrosion-resistant alloy lagging material, by below according to quality
The raw material of percentage forms: Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus Al.
A kind of preparation method of automobile wearproof corrosion-resistant alloy lagging material, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 40-50min, in this phase
Between skim, then heat to 820 DEG C and refine 20-30min at such a temperature, then heat to 850 DEG C and smart at such a temperature
30-35min is refined, 880 DEG C is then heated to and refines 20-25min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.4-4.7h in 480 DEG C of heat-treatment furnace, then at 350 DEG C
Heat-treatment furnace in keep the temperature after 2-2.2h after furnace cooling up to alloy bushing material.
As a further solution of the present invention: in step (2), raw material being put into melting in intermediate frequency furnace, temperature control
In 800 DEG C of refining 45min, skims during this period, then heat to 820 DEG C and refine 25min at such a temperature, then heat to
850 DEG C and 32min is refined at such a temperature, then heat to 880 DEG C and refines 22min at such a temperature.
As a further solution of the present invention: in step (3), the ingot casting after melting being protected in 480 DEG C of heat-treatment furnace
Warm 4.5h, then 2.1h is kept the temperature in 350 DEG C of heat-treatment furnace.
Compared with prior art, the beneficial effects of the present invention are:
Alloy bushing material of the invention, by experimental test, physical mechanical property is as follows:
1, tensile strength (σb): 755~810MPa
2, hardness (HV): 365~376
3, elongation percentage (δs): 7.2%~7.4%
4, elasticity modulus (E): 78~88GPa
The present invention has very excellent mechanical property, especially has preferable hardness and elasticity.In addition, conjunction of the invention
Golden lagging material is also equipped with excellent corrosion-resistant, wear-resisting property, and softening power resistant to high temperatures is good, especially suitable for manufacture automobile lining
Set, with excellent physical and mechanical property and good economic benefit.Preparation process of the present invention is simple, the mechanicalness of aluminium alloy
Energy conspicuousness improves, and is suitable for industrialized production.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to mass percent
Raw material composition: Sr0.1%, Bi0.02%, Ce0.31%, Zn11%, Li1.3%, Ga0.08%, surplus Al.
When preparation, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 40min, during this period
It skims, then heat to 820 DEG C and refines 20min at such a temperature, then heat to 850 DEG C and refine at such a temperature
30min then heats to 880 DEG C and refines 20min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.4h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2h after furnace cooling up to alloy bushing material.
Embodiment 2
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to mass percent
Raw material composition: Sr0.5%, Bi0.06%, Ce0.39%, Zn15%, Li1.7%, Ga0.16%, surplus Al.
When preparation, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 50min, during this period
It skims, then heat to 820 DEG C and refines 30min at such a temperature, then heat to 850 DEG C and refine at such a temperature
35min then heats to 880 DEG C and refines 25min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.7h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2.2h after furnace cooling up to alloy bushing material.
Embodiment 3
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to mass percent
Raw material composition: Sr0.2%, Bi0.03%, Ce0.33%, Zn12%, Li1.4%, Ga0.1%, surplus Al.
When preparation, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 45min, during this period
It skims, then heat to 820 DEG C and refines 25min at such a temperature, then heat to 850 DEG C and refine at such a temperature
32min then heats to 880 DEG C and refines 22min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2.1h after furnace cooling up to alloy bushing material.
Embodiment 4
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to mass percent
Raw material composition: Sr0.4%, Bi0.05%, Ce0.37%, Zn14%, Li1.6%, Ga0.14%, surplus Al.
When preparation, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 45min, during this period
It skims, then heat to 820 DEG C and refines 25min at such a temperature, then heat to 850 DEG C and refine at such a temperature
32min then heats to 880 DEG C and refines 22min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2.1h after furnace cooling up to alloy bushing material.
Embodiment 5
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to mass percent
Raw material composition: Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus Al.
When preparation, comprising the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 45min, during this period
It skims, then heat to 820 DEG C and refines 25min at such a temperature, then heat to 850 DEG C and refine at such a temperature
32min then heats to 880 DEG C and refines 22min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2.1h after furnace cooling up to alloy bushing material.
Alloy bushing material made from embodiment 1-5 is hot extruded into blank, corresponding test block is made, according to country
Standard testing, main performance are as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| σb(MPa) | 755 | 760 | 795 | 800 | 810 |
| Hardness (HV) | 365 | 368 | 372 | 373 | 376 |
| δs(%) | 7.2 | 7.3 | 7.4 | 7.4 | 7.2 |
| E(GPa) | 78 | 80 | 85 | 86 | 88 |
In addition, also to the alloy bushing material progress Akron abrasion of embodiment 1-5: load 44KN, 15 degree of angle,
250rpm*1000 (cm3), as a result equal < 0.06.
Corrosion resistance test is carried out to the alloy bushing material of embodiment 1-5: under damp and hot experiment experimental condition, average corrosion
Rate is 0.0015g/m2h；Under the conditions of salt spray corrosion test, average corrosion rate 0.08g/m2h。
Load durable test: axial load 8000N, frequency 2Hz circulation time is carried out to the alloy bushing material of embodiment 1-5
Number 200000 times；As a result: without exception.
Through finished automobile road test is carried out to the alloy bushing material of embodiment 1-5: bushing is made in alloy bushing material, is packed into and turns to
Actual road conditions test is carried out after device, product is good, without bad.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of automobile wearproof corrosion-resistant alloy lagging material, which is characterized in that by below according to the raw material group of mass percent
At: Sr0.1-0.5%, Bi0.02-0.06%, Ce0.31-0.39%, Zn11-15%, Li1.3-1.7%, Ga0.08-0.16%, surplus
For Al；
The preparation method of the automobile wearproof corrosion-resistant alloy lagging material, which comprises the following steps:
(1) ingredient: ingredient is carried out according to the raw material composition and its mass percent proportion of the alloy bushing material；
(2) melting: raw material is put into melting in intermediate frequency furnace, temperature is controlled in 800 DEG C of refining 40-50min, taken off during this period
Slag then heats to 820 DEG C and refines 20-30min at such a temperature, then heats to 850 DEG C and refines 30- at such a temperature
35min then heats to 880 DEG C and refines 20-25min at such a temperature, tapping casting ingot；
(3) homogenizing annealing；Ingot casting after melting is kept the temperature into 4.4-4.7h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is kept the temperature in treatment furnace after 2-2.2h after furnace cooling up to alloy bushing material.
2. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, which is characterized in that by below according to quality
The raw material of percentage forms: Sr0.2-0.4%, Bi0.03-0.05%, Ce0.33-0.37%, Zn12-14%, Li1.4-1.6%,
Ga0.1-0.14%, surplus Al.
3. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, which is characterized in that by below according to quality
The raw material of percentage forms: Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus Al.
4. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, which is characterized in that, will be former in step (2)
Material is put into melting in intermediate frequency furnace, and temperature controls in 800 DEG C of refining 45min, skims during this period, then heat to 820 DEG C
And refine 25min at such a temperature, then heat to 850 DEG C and refine 32min at such a temperature, then heat to 880 DEG C simultaneously
22min is refined at such a temperature.
5. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, which is characterized in that in step (3), will melt
Ingot casting after refining keeps the temperature 4.5h in 480 DEG C of heat-treatment furnace, then keeps the temperature 2.1h in 350 DEG C of heat-treatment furnace.
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| CN201710223255.8A CN107083506B (en) | 2017-04-07 | 2017-04-07 | A kind of automobile wearproof corrosion-resistant alloy lagging material and preparation method thereof |
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| CN107083506B true CN107083506B (en) | 2018-12-07 |
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Citations (7)
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|---|---|---|---|---|
| US4869870A (en) * | 1988-03-24 | 1989-09-26 | Aluminum Company Of America | Aluminum-lithium alloys with hafnium |
| US5076859A (en) * | 1989-12-26 | 1991-12-31 | Aluminum Company Of America | Heat treatment of aluminum-lithium alloys |
| US5135713A (en) * | 1984-03-29 | 1992-08-04 | Aluminum Company Of America | Aluminum-lithium alloys having high zinc |
| CN1382821A (en) * | 2002-01-30 | 2002-12-04 | 北京航空航天大学 | High-strength Al alloy containing Li and its preparing process |
| CN103131987A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Aluminum alloy coating material |
| CN103131993A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Immersion plating aluminum alloy coating materials with low cost and high property |
| CN103147029A (en) * | 2011-12-06 | 2013-06-12 | 贵州华科铝材料工程技术研究有限公司 | Multi-component gold-containing complex modified low-zinc hot-dip aluminum alloy coating material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60204857A (en) * | 1984-03-28 | 1985-10-16 | Hitachi Metals Ltd | Aluminum alloy and article using same |
-
2017
- 2017-04-07 CN CN201710223255.8A patent/CN107083506B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5135713A (en) * | 1984-03-29 | 1992-08-04 | Aluminum Company Of America | Aluminum-lithium alloys having high zinc |
| US4869870A (en) * | 1988-03-24 | 1989-09-26 | Aluminum Company Of America | Aluminum-lithium alloys with hafnium |
| US5076859A (en) * | 1989-12-26 | 1991-12-31 | Aluminum Company Of America | Heat treatment of aluminum-lithium alloys |
| CN1382821A (en) * | 2002-01-30 | 2002-12-04 | 北京航空航天大学 | High-strength Al alloy containing Li and its preparing process |
| CN103131987A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Aluminum alloy coating material |
| CN103131993A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Immersion plating aluminum alloy coating materials with low cost and high property |
| CN103147029A (en) * | 2011-12-06 | 2013-06-12 | 贵州华科铝材料工程技术研究有限公司 | Multi-component gold-containing complex modified low-zinc hot-dip aluminum alloy coating material |
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