CN106167865A - A kind of novel aluminum alloy preparation method - Google Patents
A kind of novel aluminum alloy preparation method Download PDFInfo
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- CN106167865A CN106167865A CN201610683317.9A CN201610683317A CN106167865A CN 106167865 A CN106167865 A CN 106167865A CN 201610683317 A CN201610683317 A CN 201610683317A CN 106167865 A CN106167865 A CN 106167865A
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- aluminum alloy
- zirconium
- titanium
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- tungsten
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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
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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
- 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
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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
- C22F1/043—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 present invention relates to a kind of novel aluminum alloy preparation method, its composition is by weight percentage, the silicon of 10.2 10.5%, the copper of 2.3 2.4%, the magnesium of 0.8 1.0%, the nickel of 3.1 3.3%, the stannum of 0.3 0.5%, the strontium of 0.15 0.3%, the titanium of 0.12 0.15%, the tungsten of 0.15 0.18%, the boron of 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 aluminum.By the technical program adds tungsten and zr element, while putting forward heavy alloyed resistance to elevated temperatures can crystal grain thinning microstructure within, improve surface flatness, and jointly improve abrasive resistance in the case of a high temperature with zr element by addition boron element.
Description
Technical field
The invention belongs to Al-alloy material field, particularly relate to a kind of novel aluminum alloy preparation method.
Background technology
The material that now engine piston is used is Cast aluminium alloy gold, this kind of Cast aluminium alloy gold utensil have high temperature resistant, high pressure,
In high friction environment.And the combination properties such as the Testing Tensile Strength at Elevated Temperature of the aluminum alloy materials now used, pyroconductivity, hardness have one
Fixed defect, it is impossible to adapt to existing to the high power of electromotor, high rotating speed, the requirement of low oil consumption.
The technical scheme of existing a kind of Cast aluminium alloy gold and preparation method thereof, in this technical scheme, uses by weight hundred
Proportion by subtraction includes, the silicon of 11-13%, the copper of 2-4%, the magnesium of 0.5-1.2%, the nickel of 2-3.5%, the titanium of 0.08-0.18% and
The vanadium of 0.1-0.2%, remaining is the material composition of aluminum.This technical scheme is to improve the strong of aluminium alloy by high temperature foundry engieering
Degree, but in this technical scheme, aluminium alloy organization internal during high melt can produce the bar-shaped of silicon-aluminum or column crystal
Grain, and size of microcrystal is relatively big, thus causes the coefficient of friction of aluminum alloy surface to strengthen, to the air-tightness between piston and cylinder sleeve
For have a certain impact and influence whether service life of cylinder sleeve.
For above-mentioned deficiency, the material of engine piston is improved by inventor, to overcome the deficiency of above-mentioned technology.
Summary of the invention
It is an object of the invention to provide a kind of novel aluminum alloy and preparation method, pass through the technical program, it is possible to overcome
Silicon-aluminium bar shape or the overgrowth of columnar grain in aluminum alloy organization, improve the uniform of aluminum alloy organization, improves aluminum alloy surface
Smoothness, reduces coefficient of friction, extends piston and the service life of cylinder sleeve.
The present invention is achieved by the following technical solutions:
A kind of novel aluminum alloy preparation method:
Dispensing, be by weight percentage, the silicon of 10.2-10.5%, the copper of 2.3-2.4%, the magnesium of 0.8-1.0%, 3.1-
The nickel of 3.3%, the stannum of 0.3-0.5%, the strontium of 0.15-0.3%, the titanium of 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-
The boron of 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%, 0.01-
The zirconium of 0.015%, surplus is that aluminum is got the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot,
After aluminium ingot all melts, add the silicon grain through calculating, heat to 850-900 DEG C and be incubated 1-2 hour；Add remaining
Material, carries out refining treatment after having confirmed all fusings；The aluminum alloy melt obtained is incubated 30-60 minute at 850-870 DEG C
After carry out constant temperature casting；
Cooling, points of two stages coolings after casting, first stage with 25-30 DEG C/min be cooled to 400-450 DEG C laggard
Row fast cooling, to 110-130 DEG C, forms piston blank；
Quenching Treatment, is incubated 1-2 hour after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, quenching velocity
It is not less than 2 DEG C/sec, beneficially the crystal grain distribution within stabilizing tissue.
Described titanium, tungsten, vanadium, zirconium add respectively in the way of titanium-aluminium alloy, partinium, vananum and zirconium alloy.
The present invention compared with the existing technology provides the benefit that:
By the technical program adds tungsten and zr element, group can be refined while putting forward heavy alloyed resistance to elevated temperatures
Knit the crystal grain of inside, improve surface flatness, and jointly improve in the case of a high temperature with zr element by adding boron element
Abrasive resistance.
Detailed description of the invention
Describe the concrete technical scheme of the present invention by the following examples in detail, it should be appreciated that following enforcement
Example is only capable of for explaining that the present invention is not to be construed as limitation of the present invention.
Described preparation method is:
Dispensing, be by weight percentage, the silicon of 10.2-10.5%, the copper of 2.3-2.4%, the magnesium of 0.8-1.0%, 3.1-
The nickel of 3.3%, the stannum of 0.3-0.5%, the strontium of 0.15-0.3%, the titanium of 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-
The boron of 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%, 0.01-
The zirconium of 0.015%, surplus is that aluminum is got the raw materials ready, and wherein, titanium, tungsten, vanadium, zirconium are respectively with titanium-aluminium alloy, partinium, vananum
And zirconium alloy gets the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot,
After aluminium ingot all melts, add the silicon grain through calculating, heat to 850-900 DEG C and be incubated 1-2 hour；Add remaining
Material, carries out refining treatment after having confirmed all fusings；The aluminum alloy melt obtained is incubated 30-60 minute at 850-870 DEG C
After carry out constant temperature casting；Refining treatment at this is prior art, is no longer described in detail at this；
Cooling, points of two stages coolings after casting, first stage with 25-30 DEG C/min be cooled to 400-450 DEG C laggard
Row fast cooling, to 110-130 DEG C, forms piston blank；The constant temperature casting carried out in the present invention and first stage are at the uniform velocity
Cooling is for ensureing the refinement of the most even crystal grain within organizational structure；
Quenching Treatment, is incubated 1-2 hour after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, quenching velocity
It is not less than 2 DEG C/sec, beneficially the crystal grain distribution within stabilizing tissue.
Embodiment 1
Described preparation method is:
Dispensing, be by weight percentage, the silicon of 10.2%, the copper of 2.3%, the magnesium of 0.8%, the nickel of 3.1%, 0.3%
Stannum, the strontium of 0.15%, the titanium of 0.12%, the tungsten of 0.15%, the boron of 0.03%, the manganese of 0.01%, the molybdenum of 0.01%, 0.1%
Zinc, the vanadium of 0.1%, the zirconium of 0.01%, surplus is that aluminum is got the raw materials ready, and wherein, titanium, tungsten, vanadium, zirconium are respectively with titanium-aluminium alloy, tungsten aluminum
Alloy, vananum and zirconium alloy are got the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot,
After aluminium ingot all melts, add the silicon grain through calculating, heat to 850-900 DEG C and be incubated 1.5 hours；Add remaining
Material, carries out refining treatment after having confirmed all fusings；The aluminum alloy melt obtained be incubated at 850-870 DEG C 45 minutes laggard
Row constant temperature is cast；
Cooling, points of two stages coolings after casting, first stage with 25-30 DEG C/min be cooled to 400-450 DEG C laggard
Row fast cooling, to 110-130 DEG C, forms piston blank；
Quenching Treatment, is incubated 2 hours after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, and quenching velocity is not
Less than 2 DEG C/sec.
Embodiment 2
Described preparation method is:
Dispensing, be by weight percentage, the silicon of 10.5%, the copper of 2.4%, the magnesium of 1.0%, the nickel of 3.3%, 0.5%
Stannum, the strontium of 0.3%, the titanium of 0.15%, the tungsten of 0.18%, the boron of 0.05%, the manganese of 0.03%, the molybdenum of 0.03%, 0.3%
Zinc, the vanadium of 0.2%, the zirconium of 0.015%, surplus is that aluminum is got the raw materials ready, and wherein, titanium, tungsten, vanadium, zirconium are respectively with titanium-aluminium alloy, tungsten aluminum
Alloy, vananum and zirconium alloy are got the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot,
After aluminium ingot all melts, add the silicon grain through calculating, heat to 850-900 DEG C and be incubated 2 hours；Add remaining material
Material, carries out refining treatment after having confirmed all fusings；The aluminum alloy melt obtained is carried out after being incubated 60 minutes at 850-870 DEG C
Constant temperature is cast；
Cooling, points of two stages coolings after casting, first stage with 25-30 DEG C/min be cooled to 400-450 DEG C laggard
Row fast cooling, to 110-130 DEG C, forms piston blank；
Quenching Treatment, is incubated 2 hours after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, and quenching velocity is not
Less than 2 DEG C/sec.
Embodiment 3
Described preparation method is:
Dispensing, be by weight percentage, the silicon of 10.3%, the copper of 2.35%, the magnesium of 0.92%, the nickel of 3.2%, 0.4%
Stannum, the strontium of 0.2%, the titanium of 0.145%, the tungsten of 0.16%, the boron of 0.035%, the manganese of 0.02%, the molybdenum of 0.015%,
The zinc of 0.22%, the vanadium of 0.15%, the zirconium of 0.015%, surplus is that aluminum is got the raw materials ready, and wherein, titanium, tungsten, vanadium, zirconium are respectively with titanium aluminum
Alloy, partinium, vananum and zirconium alloy are got the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot,
After aluminium ingot all melts, add the silicon grain through calculating, heat to 850-900 DEG C and be incubated 1.5 hours；Add remaining
Material, carries out refining treatment after having confirmed all fusings；The aluminum alloy melt obtained be incubated at 850-870 DEG C 45 minutes laggard
Row constant temperature is cast；
Cooling, points of two stages coolings after casting, first stage with 25-30 DEG C/min be cooled to 400-450 DEG C laggard
Row fast cooling, to 110-130 DEG C, forms piston blank；
Quenching Treatment, is incubated 2 hours after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, and quenching velocity is not
Less than 2 DEG C/sec.
Claims (2)
1. a novel aluminum alloy preparation method, it is characterised in that:
Dispensing, be by weight percentage, the silicon of 10.2-10.5%, the copper of 2.3-2.4%, the magnesium of 0.8-1.0%, 3.1-3.3%
Nickel, the stannum of 0.3-0.5%, the strontium of 0.15-0.3%, the titanium of 0.12-0.15%, the tungsten of 0.15-0.18%, 0.03-0.05%
Boron, 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%, 0.01-0.015%
Zirconium, surplus is that aluminum is got the raw materials ready；
Melting, first puts into copper, nickel and the partinium through calculating and adds heat fusing in smelting furnace；Add aluminium ingot, treat aluminum
Ingot adds the silicon grain through calculating after all melting, and heats to 850-900 DEG C and is incubated 1-2 hour；Add remaining material,
Refining treatment is carried out after confirming all to melt；The aluminum alloy melt obtained is carried out after being incubated 30-60 minute at 850-870 DEG C
Constant temperature is cast；
Cooling, point two stage coolings after casting, first stage is carried out after being cooled to 400-450 DEG C with 25-30 DEG C/min soon
Speed is cooled to 110-130 DEG C, forms piston blank；
Quenching Treatment, is incubated 1-2 hour after piston blank is heated to 550-650 DEG C, carries out water liquid quenching, and quenching velocity is the lowest
In 2 DEG C/sec, the beneficially crystal grain distribution within stabilizing tissue.
Novel aluminum alloy preparation method the most according to claim 1, it is characterised in that: described titanium, tungsten, vanadium, zirconium respectively with
The mode of titanium-aluminium alloy, partinium, vananum and zirconium alloy adds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610683317.9A CN106167865A (en) | 2016-08-17 | 2016-08-17 | A kind of novel aluminum alloy preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191557A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | A kind of novel aluminum alloy and preparation method |
| CN106756267A (en) * | 2016-12-05 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of wear-resistant aluminium alloy material and preparation method thereof |
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| CN105369081A (en) * | 2015-11-12 | 2016-03-02 | 俞虹 | Novel aluminum alloy |
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2016
- 2016-08-17 CN CN201610683317.9A patent/CN106167865A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191557A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | A kind of novel aluminum alloy and preparation method |
| CN106756267A (en) * | 2016-12-05 | 2017-05-31 | 郑州丽福爱生物技术有限公司 | A kind of wear-resistant aluminium alloy material and preparation method thereof |
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Application publication date: 20161130 |