CN107083506A - 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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- CN107083506A CN107083506A CN201710223255.8A CN201710223255A CN107083506A CN 107083506 A CN107083506 A CN 107083506A CN 201710223255 A CN201710223255 A CN 201710223255A CN 107083506 A CN107083506 A CN 107083506A
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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
Abstract
The invention discloses a kind of automobile wearproof corrosion-resistant alloy lagging material and preparation method thereof, the alloy bushing material is made up 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 is Al.Raw material is put into melting in intermediate frequency furnace after dispensing, temperature control refines 40 50min at 800 DEG C, skim during this period, then heat to 820 DEG C and refine 20 30min at such a temperature, then heat to 850 DEG C and refine 30 35min at such a temperature, then heat to 880 DEG C and refine 20 25min at such a temperature, tapping casting ingot；Produced after homogenizing annealing.The alloy bushing material of the present invention has very excellent mechanical property, especially there is preferable hardness and elasticity, it is also equipped with excellent corrosion-resistant, anti-wear performance, high temperature resistance softening power is good, it is particularly suitable for use in manufacturing automobile bushing, preparation technology is simple, and the mechanical performance conspicuousness of aluminium alloy is improved, 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 technology
Bushing, plays the ring set of pad.In valve applications field, bushing is within bonnet, typically using polytetrafluoroethyl-ne
The anticorrosive material such as alkene or graphite, for sealing function.In general, bushing is used with seat and is interference fitted, and between axle use
Gap coordinates because no matter how or can not avoid what is worn and torn, the life-span can only be extended, and comparatively axial workpiece compares appearance
Easy processing；But increase cost when manufacture, but after use after a while, still to change in this manner during maintenance
Make, but transformation easily causes the precision reduction of equipment, because secondary operation is the supplement one for the position that can not ensure bore center
A bit, axle sleeve is relatively low in some rotating speeds, the place that radial load is higher and clearance requirement is higher（Such as camshaft）For substituting rolling
Bearing（Axle sleeve also a kind of sliding bearing at last in fact）, bushing must have good elasticity, wearability and uniformity；Due to
Worked near wheel, bad environments can produce high temperature in braking procedure, so it will also have high temperature resistance, antistatic, corrosion stability etc.
Feature.
The content of the invention
It is an object of the invention to provide a kind of automobile wearproof corrosion-resistant alloy lagging material and preparation method thereof, to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of automobile wearproof corrosion-resistant alloy lagging material, is made up 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 are Al.
It is used as further scheme of the invention：The automobile wearproof corrosion-resistant alloy lagging material, by below according to quality
The raw material composition of percentage：Sr0.2-0.4%, Bi0.03-0.05%, Ce0.33-0.37%, Zn12-14%, Li1.4-1.6%,
Ga0.1-0.14%, surplus is Al.
It is used as further scheme of the invention：The automobile wearproof corrosion-resistant alloy lagging material, by below according to quality
The raw material composition of percentage：Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus are Al.
A kind of preparation method of automobile wearproof corrosion-resistant alloy lagging material, comprises the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 40-50min at 800 DEG C, 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 incubated 4.4-4.7h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is incubated in treatment furnace after 2-2.2h and produces alloy bushing material after furnace cooling.
It is used as further scheme of the invention：Step（2）In, raw material is put into melting in intermediate frequency furnace, temperature control
45min is refined at 800 DEG C, is skimmed during this period, is then heated to 820 DEG C and refine 25min at such a temperature, then heat to
And 32min is refined at such a temperature, then heat to 880 DEG C and refine 22min at such a temperature by 850 DEG C.
It is used as further scheme of the invention：Step（3）In, the ingot casting after melting is protected in 480 DEG C of heat-treatment furnace
Warm 4.5h, then it is incubated 2.1h in 350 DEG C of heat-treatment furnace.
Compared with prior art, the beneficial effects of the invention are as follows：
The alloy bushing material of the present invention, by experimental test, its physical and mechanical properties is as follows：
1st, tensile strength (σb)：755~810MPa
2nd, hardness (HV)：365~376
3rd, elongation percentage (δs)：7.2%~7.4%
4th, modulus of elasticity (E)：78~88GPa
The present invention has very excellent mechanical property, especially with preferable hardness and elasticity.In addition, the alloy lining of the present invention
Cover material is also equipped with excellent corrosion-resistant, anti-wear performance, and high temperature resistance softening power is good, is particularly suitable for use in manufacturing automobile bushing, tool
There are excellent physical and mechanical property and good economic benefit.Preparation technology of the present invention is simple, and the mechanical performance of aluminium alloy shows
Work property is improved, suitable for industrialized production.
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 automobile wearproof corrosion-resistant alloy lagging material, by below according to the raw material of mass percent
Composition：Sr0.1%, Bi0.02%, Ce0.31%, Zn11%, Li1.3%, Ga0.08%, surplus are Al.
During preparation, comprise the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 40min at 800 DEG C, skimmed during this period,
Then heat to 820 DEG C and refine 20min at such a temperature, then heat to 850 DEG C and refine 30min at such a temperature, so
After be warming up to 880 DEG C and refine 20min at such a temperature, tapping casting ingot；
（3）Homogenizing annealing；Ingot casting after melting is incubated 4.4h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat treatment
It is incubated in stove after 2h and produces alloy bushing material after furnace cooling.
Embodiment 2
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to the raw material of mass percent
Composition：Sr0.5%, Bi0.06%, Ce0.39%, Zn15%, Li1.7%, Ga0.16%, surplus are Al.
During preparation, comprise the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 50min at 800 DEG C, skimmed during this period,
Then heat to 820 DEG C and refine 30min at such a temperature, then heat to 850 DEG C and refine 35min at such a temperature, so
After be warming up to 880 DEG C and refine 25min at such a temperature, tapping casting ingot；
（3）Homogenizing annealing；Ingot casting after melting is incubated 4.7h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat treatment
It is incubated in stove after 2.2h and produces alloy bushing material after furnace cooling.
Embodiment 3
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to the raw material of mass percent
Composition：Sr0.2%, Bi0.03%, Ce0.33%, Zn12%, Li1.4%, Ga0.1%, surplus are Al.
During preparation, comprise the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 45min at 800 DEG C, skimmed 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, so
After be warming up to 880 DEG C and refine 22min at such a temperature, tapping casting ingot；
（3）Homogenizing annealing；Ingot casting after melting is incubated 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat treatment
It is incubated in stove after 2.1h and produces alloy bushing material after furnace cooling.
Embodiment 4
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to the raw material of mass percent
Composition：Sr0.4%, Bi0.05%, Ce0.37%, Zn14%, Li1.6%, Ga0.14%, surplus are Al.
During preparation, comprise the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 45min at 800 DEG C, skimmed 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, so
After be warming up to 880 DEG C and refine 22min at such a temperature, tapping casting ingot；
（3）Homogenizing annealing；Ingot casting after melting is incubated 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat treatment
It is incubated in stove after 2.1h and produces alloy bushing material after furnace cooling.
Embodiment 5
In the embodiment of the present invention, a kind of automobile wearproof corrosion-resistant alloy lagging material, by below according to the raw material of mass percent
Composition：Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus are Al.
During preparation, comprise the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 45min at 800 DEG C, skimmed 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, so
After be warming up to 880 DEG C and refine 22min at such a temperature, tapping casting ingot；
（3）Homogenizing annealing；Ingot casting after melting is incubated 4.5h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat treatment
It is incubated in stove after 2.1h and produces alloy bushing material after furnace cooling.
By alloy bushing material made from embodiment 1-5 through being hot extruded into blank, corresponding test block is made, according to country
Standard testing, its main performance is 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 carrying out Akron abrasion to embodiment 1-5 alloy bushing material：Load 44KN, 15 degree of angle, 250rpm*
1000 (cm3), as a result equal ＜ 0.06.
Corrosion resistance test is carried out to embodiment 1-5 alloy bushing material：Under damp and hot experiment experimental condition, average corrosion
Speed is 0.0015g/m2h；Under the conditions of salt spray corrosion test, average corrosion rate is 0.08g/m2h。
Load durable test is carried out to embodiment 1-5 alloy bushing material：Axial load 8000N, frequency 2Hz circulation time
Number 200000 times；As a result：It is without exception.
Through finished automobile road test is carried out to embodiment 1-5 alloy bushing material：Bushing is made in alloy bushing material, loads 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 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 realized in other specific forms.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 is required rather than described above is limited, 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 embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of automobile wearproof corrosion-resistant alloy lagging material, it is characterised in that by below according to the raw material group of mass percent
Into：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.
2. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, it is characterised in that by below according to quality
The raw material composition of percentage：Sr0.2-0.4%, Bi0.03-0.05%, Ce0.33-0.37%, Zn12-14%, Li1.4-1.6%,
Ga0.1-0.14%, surplus is Al.
3. automobile wearproof corrosion-resistant alloy lagging material according to claim 1, it is characterised in that by below according to quality
The raw material composition of percentage：Sr0.3%, Bi0.04%, Ce0.35%, Zn13%, Li1.5%, Ga0.12%, surplus are Al.
4. a kind of preparation method of automobile wearproof corrosion-resistant alloy lagging material as described in claim 1-3 is any, its feature
It is, comprises the following steps：
（1）Dispensing：Dispensing is carried out according to the raw material composition and its mass percent proportioning of the alloy bushing material；
（2）Melting：Raw material is put into melting in intermediate frequency furnace, temperature control refines 40-50min at 800 DEG C, 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 incubated 4.4-4.7h in 480 DEG C of heat-treatment furnace, then in 350 DEG C of heat
It is incubated in treatment furnace after 2-2.2h and produces alloy bushing material after furnace cooling.
5. the preparation method of automobile wearproof corrosion-resistant alloy lagging material according to claim 4, it is characterised in that step
（2）In, raw material is put into melting in intermediate frequency furnace, temperature control refines 45min at 800 DEG C, skimmed during this period, Ran Housheng
Temperature is to 820 DEG C and refines 25min at such a temperature, then heats to 850 DEG C and refines 32min at such a temperature, then heats up
Refine to 880 DEG C and at such a temperature 22min.
6. the preparation method of automobile wearproof corrosion-resistant alloy lagging material according to claim 4, it is characterised in that step
（3）In, the ingot casting after melting is incubated 4.5h in 480 DEG C of heat-treatment furnace, then be incubated in 350 DEG C of heat-treatment furnace
2.1h。
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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 CN107083506B (en) | 2018-12-07 |
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Citations (8)
| 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 |
| 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 |
| CN103131993A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Immersion plating aluminum alloy coating materials with low cost and high property |
| CN103131987A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Aluminum alloy coating material |
| 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 |
-
2017
- 2017-04-07 CN CN201710223255.8A patent/CN107083506B/en not_active Expired - Fee Related
Patent Citations (8)
| 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 |
| 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 |
| CN103131993A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Immersion plating aluminum alloy coating materials with low cost and high property |
| CN103131987A (en) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | Aluminum alloy coating material |
| 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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