CN105369081A - Novel aluminum alloy - Google Patents
Novel aluminum alloy Download PDFInfo
- Publication number
- CN105369081A CN105369081A CN201510769783.4A CN201510769783A CN105369081A CN 105369081 A CN105369081 A CN 105369081A CN 201510769783 A CN201510769783 A CN 201510769783A CN 105369081 A CN105369081 A CN 105369081A
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- Prior art keywords
- aluminum alloy
- zirconium
- titanium
- tungsten
- vanadium
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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
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention relates to novel aluminum alloy. The novel aluminum alloy comprises, by weight, 10.2%-10.5% of silicon, 2.3%-2.4% of copper, 0.8%-1.0% of magnesium, 3.1%-3.3% of nickel, 0.12%-0.15% of titanium, 0.15%-0.18% of tungsten, 0.03%-0.05% of boron, 0.01%-0.03% of manganese, 0.01%-0.03% of molybdenum, 0.1%-0.3% of zinc, 0.1%-0.2% of vanadium, 0.01%-0.015% of zirconium and the balance aluminum. According to the technical scheme, the tungsten element and the zirconium element are added so that grains inside the structure can be refined while the high-temperature resistance of the alloy is improved, and the surface smoothness is improved; in addition, by adding the boron element and the zirconium element, the abrasion resistance of the alloy under the high-temperature condition is improved.
Description
Technical field
The invention belongs to Al-alloy material field, refer to a kind of novel aluminum alloy especially.
Background technology
The material that present engine piston uses is cast aluminium alloy, and this kind of cast aluminium alloy has in high temperature resistant, high pressure, high friction environment.And the over-all propertieies such as the Testing Tensile Strength at Elevated Temperature of the aluminum alloy materials now used, thermal conductivity, hardness have certain defect, the existing requirement to the superpower of engine, high rotating speed, low oil consumption can not be adapted to.
The technical scheme of existing a kind of cast aluminium alloy and preparation method thereof, in this technical scheme, use and comprise by weight percentage, the vanadium of the magnesium of the silicon of 11-13%, the copper of 2-4%, 0.5-1.2%, the nickel of 2-3.5%, the titanium of 0.08-0.18% and 0.1-0.2%, all the other are the material composition of aluminium.This technical scheme is improved the intensity of aluminium alloy, but in this technical scheme, aluminium alloy organization internal in high melt process can produce the bar-shaped of silicon-aluminium or columnar grain, and size of microcrystal is larger, the frictional coefficient of aluminum alloy surface is caused to strengthen thus, concerning having a certain impact the resistance to air loss between piston and cylinder sleeve and work-ing life of cylinder sleeve can being had influence on.
For above-mentioned deficiency, the material of contriver to engine piston improves, to overcome the deficiency of above-mentioned technology.
Summary of the invention
The object of this invention is to provide a kind of novel aluminum alloy and preparation method, pass through the technical program, the overgrowth of silicon-aluminium bar shape or columnar grain in aluminum alloy organization can be overcome, improve the even of aluminum alloy organization, improve aluminum alloy surface slickness, reduce frictional coefficient, extend the work-ing life of piston and cylinder sleeve.
The present invention is achieved by the following technical solutions:
A kind of novel aluminum alloy, its composition is by weight percentage, the boron of the titanium of the magnesium of the silicon of 10.2-10.5%, the copper of 2.3-2.4%, 0.8-1.0%, the nickel of 3.1-3.3%, 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-0.05%, the manganese of 0.01-0.03%, the molybdenum of 0.01-0.03%, the zinc of 0.1-0.3%, the vanadium of 0.1-0.2%, the zirconium of 0.01-0.015%, surplus is aluminium.
Described titanium, tungsten, vanadium, zirconium add in the mode of titanium aluminum alloy, partinium, vananum and zirconium alloy respectively.
The present invention's beneficial effect is compared with the existing technology:
By adding tungsten and zr element in the technical program, can the crystal grain of thinning microstructure inside while putting forward heavy alloyed resistance to elevated temperatures, improve surface flatness, and jointly improve wear resistance in the case of a high temperature by adding boron with zr element.
Embodiment
Describe concrete technical scheme of the present invention by the following examples in detail, should be understood that, following embodiment only can be used for explaining the present invention and can not being interpreted as being limitation of the present invention.
A kind of novel aluminum alloy, its composition is by weight percentage, the boron of the titanium of the magnesium of the silicon of 10.2-10.5%, the copper of 2.3-2.4%, 0.8-1.0%, the nickel of 3.1-3.3%, 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-0.05%, the manganese of 0.01-0.03%, the molybdenum of 0.01-0.03%, the zinc of 0.1-0.3%, the vanadium of 0.1-0.2%, the zirconium of 0.01-0.015%, surplus is aluminium.
Described titanium, tungsten, vanadium, zirconium add in the mode of titanium aluminum alloy, partinium, vananum and zirconium alloy respectively.
Described preparation method is:
Batching, be by weight percentage, the boron of the titanium of the magnesium of the silicon of 10.2-10.5%, the copper of 2.3-2.4%, 0.8-1.0%, the nickel of 3.1-3.3%, 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-0.05%, the manganese of 0.01-0.03%, the molybdenum of 0.01-0.03%, the zinc of 0.1-0.3%, the vanadium of 0.1-0.2%, the zirconium of 0.01-0.015%, surplus is that aluminium is got the raw materials ready, wherein, titanium, tungsten, vanadium, zirconium are got the raw materials ready with titanium aluminum alloy, partinium, vananum and zirconium alloy respectively;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1-2 hour; Add all the other materials, after having confirmed all fusings, carry out refining treatment; The aluminum alloy melt obtained carries out constant temperature casting be incubated 30-60 minute at 850-870 DEG C after; Refining treatment at this place is prior art, is no longer described in detail at this;
Cooling, point two stage coolings after casting, first stage carries out fast cooling to 110-130 DEG C after being cooled to 400-450 DEG C with 25-30 DEG C/min, forms piston blank; At the uniform velocity lowering the temperature of the constant temperature casting carried out in the present invention and first stage is all the refinements of all even crystal grain in order to ensure weave construction inside;
Quench treatment, is incubated 1-2 hour after piston blank being heated to 550-650 DEG C, and carry out the quenching of water liquid, quenching velocity is not less than 2 DEG C/sec, is conducive to the crystal grain distribution of stabilizing tissue inside.
Embodiment 1
Described preparation method is:
Batching, be by weight percentage, the silicon of 10.2%, the copper of 2.3%, the magnesium of 0.8%, nickel, the titanium of 0.12%, tungsten, the boron of 0.03%, manganese, the molybdenum of 0.01%, zinc, the vanadium of 0.1%, the zirconium of 0.01% of 0.1% of 0.01% of 0.15% of 3.1%, surplus is that aluminium is got the raw materials ready, wherein, titanium, tungsten, vanadium, zirconium are got the raw materials ready with titanium aluminum alloy, partinium, vananum and zirconium alloy respectively;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1.5 hours; Add all the other materials, after having confirmed all fusings, carry out refining treatment; The aluminum alloy melt obtained carries out constant temperature casting be incubated 45 minutes at 850-870 DEG C after;
Cooling, point two stage coolings after casting, first stage carries out fast cooling to 110-130 DEG C after being cooled to 400-450 DEG C with 25-30 DEG C/min, forms piston blank;
Quench treatment, be incubated 2 hours after piston blank being heated to 550-650 DEG C, carry out the quenching of water liquid, quenching velocity is not less than 2 DEG C/sec.
Embodiment 2
Described preparation method is:
Batching, be by weight percentage, the silicon of 10.5%, the copper of 2.4%, the magnesium of 1.0%, nickel, the titanium of 0.15%, tungsten, the boron of 0.05%, manganese, the molybdenum of 0.03%, zinc, the vanadium of 0.2%, the zirconium of 0.015% of 0.3% of 0.03% of 0.18% of 3.3%, surplus is that aluminium is got the raw materials ready, wherein, titanium, tungsten, vanadium, zirconium are got the raw materials ready with titanium aluminum alloy, partinium, vananum and zirconium alloy respectively;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 2 hours; Add all the other materials, after having confirmed all fusings, carry out refining treatment; The aluminum alloy melt obtained carries out constant temperature casting be incubated 60 minutes at 850-870 DEG C after;
Cooling, point two stage coolings after casting, first stage carries out fast cooling to 110-130 DEG C after being cooled to 400-450 DEG C with 25-30 DEG C/min, forms piston blank;
Quench treatment, be incubated 2 hours after piston blank being heated to 550-650 DEG C, carry out the quenching of water liquid, quenching velocity is not less than 2 DEG C/sec.
Embodiment 3
Described preparation method is:
Batching, be by weight percentage, the silicon of 10.3%, the copper of 2.35%, the magnesium of 0.92%, nickel, the titanium of 0.145%, tungsten, the boron of 0.035%, manganese, the molybdenum of 0.02%, zinc, the vanadium of 0.15%, the zirconium of 0.015% of 0.15% of 0.015% of 0.16% of 3.2%, surplus is that aluminium is got the raw materials ready, wherein, titanium, tungsten, vanadium, zirconium are got the raw materials ready with titanium aluminum alloy, partinium, vananum and zirconium alloy respectively;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1.5 hours; Add all the other materials, after having confirmed all fusings, carry out refining treatment; The aluminum alloy melt obtained carries out constant temperature casting be incubated 45 minutes at 850-870 DEG C after;
Cooling, point two stage coolings after casting, first stage carries out fast cooling to 110-130 DEG C after being cooled to 400-450 DEG C with 25-30 DEG C/min, forms piston blank;
Quench treatment, be incubated 2 hours after piston blank being heated to 550-650 DEG C, carry out the quenching of water liquid, quenching velocity is not less than 2 DEG C/sec.
Claims (2)
1. a novel aluminum alloy, it is characterized in that: its composition is by weight percentage, the boron of the titanium of the magnesium of the silicon of 10.2-10.5%, the copper of 2.3-2.4%, 0.8-1.0%, the nickel of 3.1-3.3%, 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-0.05%, the manganese of 0.01-0.03%, the molybdenum of 0.01-0.03%, the zinc of 0.1-0.3%, the vanadium of 0.1-0.2%, the zirconium of 0.01-0.015%, surplus is aluminium.
2. novel aluminum alloy according to claim 1, is characterized in that: described titanium, tungsten, vanadium, zirconium add in the mode of titanium aluminum alloy, partinium, vananum and zirconium alloy respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769783.4A CN105369081A (en) | 2015-11-12 | 2015-11-12 | Novel aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769783.4A CN105369081A (en) | 2015-11-12 | 2015-11-12 | Novel aluminum alloy |
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| Publication Number | Publication Date |
|---|---|
| CN105369081A true CN105369081A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769783.4A Pending CN105369081A (en) | 2015-11-12 | 2015-11-12 | Novel aluminum alloy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167864A (en) * | 2016-08-17 | 2016-11-30 | 杨雯雯 | A kind of novel aluminum alloy |
| CN106167865A (en) * | 2016-08-17 | 2016-11-30 | 杨雯雯 | A kind of novel aluminum alloy preparation method |
| CN106191557A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | A kind of novel aluminum alloy and preparation method |
-
2015
- 2015-11-12 CN CN201510769783.4A patent/CN105369081A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167864A (en) * | 2016-08-17 | 2016-11-30 | 杨雯雯 | A kind of novel aluminum alloy |
| CN106167865A (en) * | 2016-08-17 | 2016-11-30 | 杨雯雯 | A kind of novel aluminum alloy preparation method |
| CN106191557A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | A kind of novel aluminum alloy and preparation method |
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Application publication date: 20160302 |