CN103184374A - Novel aluminum alloy and preparation method - Google Patents
Novel aluminum alloy and preparation method Download PDFInfo
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- CN103184374A CN103184374A CN2012105058902A CN201210505890A CN103184374A CN 103184374 A CN103184374 A CN 103184374A CN 2012105058902 A CN2012105058902 A CN 2012105058902A CN 201210505890 A CN201210505890 A CN 201210505890A CN 103184374 A CN103184374 A CN 103184374A
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Abstract
The invention relates to novel aluminum alloy and a preparation method. The novel aluminum alloy comprises the following components by weight percent: 10.2-1.05% 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, 0.1-0.2% of vanadium, 0.01-0.015% of zirconium and the balance of aluminum. According to the technical scheme, by adding the tungsten and zirconium elements, the high-temperature resistance of the alloy is improved, and at the same time the crystalline grain inside the tissue is refined, and the surface flatness is improved; and moreover by adding the boron and zirconium elements, the abrasion resistance of the aluminum alloy under high temperature condition is improved.
Description
Technical field
The invention belongs to the Al-alloy material field, refer to a kind of novel aluminum alloy and preparation method especially.
Background technology
Now the employed material of engine piston is cast aluminium alloy, and that this class cast aluminium alloy has is high temperature resistant, in the high pressure, high friction environment.And over-all propertieies such as the high temperature tensile strength of the existing aluminum alloy materials that uses, thermal conductivity, hardness have certain defective, can not adapt to existing requirement to the superpower of engine, high rotating speed, low oil consumption.
China number of patent application CN201110164489 discloses the technical scheme of a kind of cast aluminium alloy and preparation method thereof, in this technical scheme, use and comprise by weight percentage, 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 the vanadium of 0.1-0.2%, all the other are the material composition of aluminium.This technical scheme is to improve the intensity of aluminium alloy by the high temperature foundry engieering, but in this technical scheme, aluminium alloy organization internal in the high melt process can produce the bar-shaped or columnar grain of silicon-aluminium, and size of microcrystal is bigger, cause the frictional coefficient of aluminum alloy surface to strengthen thus, certain influence is arranged the resistance to air loss between piston and cylinder sleeve and can have influence on work-ing life of cylinder sleeve.
At above-mentioned deficiency, the contriver improves the material of engine piston, to overcome the deficiency of above-mentioned technology.
Summary of the invention
The purpose of this invention is to provide a kind of novel aluminum alloy and preparation method, pass through the technical program, can overcome the overgrowth of silicon in aluminum alloy organization-aluminium bar shape or columnar grain, improve the even of aluminum alloy organization, improve the aluminum alloy surface slickness, reduce frictional coefficient, prolong 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 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%, the boron of 0.03-0.05%, 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 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%, the boron of 0.03-0.05%, 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 at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 1-2 hour; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 30-60 minute;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 1-2 hour, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second.
The beneficial effect that the present invention compares with prior art is:
By adding tungsten and zr element in this technical program, crystal grain that can thinning microstructure inside in the resistance to elevated temperatures that improves alloy improves surface flatness, and improves wear resistance under high-temperature condition by adding boron jointly 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 be interpreted as to be limitation of the present invention.
A kind of novel aluminum alloy, its composition is by weight percentage, 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%, the boron of 0.03-0.05%, 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 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%, the boron of 0.03-0.05%, 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 at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 1-2 hour; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 30-60 minute; Refining treatment at this place is the prior art scheme, no longer is elaborated at this;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank; The constant temperature casting of carrying out in the present invention and the at the uniform velocity cooling in first stage all are the refinements for all even crystal grain that guarantees weave construction inside;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 1-2 hour, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second, the crystal grain that is conducive to stabilizing tissue inside distributes.
Embodiment 1
Described preparation method is:
Batching, be by weight percentage, 10.2% silicon, 2.3% copper, 0.8% magnesium, 3.1% nickel, 0.12% titanium, 0.15% tungsten, 0.03% boron, 0.1% vanadium, 0.01% zirconium, 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 at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 1.5 hours; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 45 minutes;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 2 hours, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second.
Embodiment 2
Described preparation method is:
Batching, be by weight percentage, 10.5% silicon, 2.4% copper, 1.0% magnesium, 3.3% nickel, 0.15% titanium, 0.18% tungsten, 0.05% boron, 0.2% vanadium, 0.015% zirconium, 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 at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 2 hours; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 60 minutes;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 2 hours, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second.
Embodiment 3
Described preparation method is:
Batching, be by weight percentage, 10.3% silicon, 2.35% copper, 0.92% magnesium, 3.2% nickel, 0.145% titanium, 0.16% tungsten, 0.035% boron, 0.15% vanadium, 0.015% zirconium, 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 at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 1.5 hours; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 45 minutes;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 2 hours, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second.
Claims (4)
1. novel aluminum alloy, it is characterized in that: its composition is by weight percentage, 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%, the boron of 0.03-0.05%, 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, it is characterized in that: described titanium, tungsten, vanadium, zirconium add in the mode of titanium aluminum alloy, partinium, vananum and zirconium alloy respectively.
3. novel aluminum alloy preparation method is characterized in that:
Batching, be by weight percentage, 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%, the boron of 0.03-0.05%, the vanadium of 0.1-0.2%, the zirconium of 0.01-0.015%, surplus is that aluminium is got the raw materials ready;
Melting at first will be put into heat fused in the smelting furnace through the copper, nickel and the partinium that calculate; Add aluminium ingot, treat that aluminium ingot all melts the back and adds silicon grain through calculating, heat to 850-900 ℃ and be incubated 1-2 hour; Add all the other materials, confirm all to carry out refining treatment after the fusing; The aluminum alloy melt that obtains carries out the constant temperature casting in insulation under 850-870 ℃ after 30-60 minute;
Cooling, casting back divide two stages coolings, and first stage is carried out fast cooling to 110-130 ℃ after being cooled to 400-450 ℃ with 25-30 ℃/minute, forms piston blank;
Quench treatment, piston blank is heated to 550-650 ℃ after insulation 1-2 hour, carry out water liquid and quench, quenching velocity is not less than 2 ℃/second.
4. novel aluminum alloy preparation method according to claim 3, it is characterized in that: wherein, titanium, tungsten, vanadium, zirconium are got the raw materials ready with titanium aluminum alloy, partinium, vananum and zirconium alloy respectively.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294105A (en) * | 2014-10-29 | 2015-01-21 | 郭芙 | Aluminum alloy |
| CN104313375A (en) * | 2014-10-29 | 2015-01-28 | 张超 | Preparation method of aluminum alloy resistant to wear under high-temperature condition |
| CN104388768A (en) * | 2014-10-29 | 2015-03-04 | 张超 | Wear-resistant aluminum alloy under high-temperature conditions and preparation method thereof |
| CN105401006A (en) * | 2015-11-12 | 2016-03-16 | 俞虹 | Novel aluminum alloy preparing method |
| 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 |
| CN114231798A (en) * | 2021-11-04 | 2022-03-25 | 北京航空航天大学宁波创新研究院 | High-temperature-resistant wear-resistant aluminum alloy material and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101805846A (en) * | 2009-08-27 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Mo-W-RE high-strength heat-resistance aluminium alloy material and preparation method thereof |
| CN102181758A (en) * | 2011-06-17 | 2011-09-14 | 重庆协成汽车零部件有限公司 | Novel casting aluminium alloy and preparation method thereof |
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2012
- 2012-11-26 CN CN2012105058902A patent/CN103184374A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101805846A (en) * | 2009-08-27 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Mo-W-RE high-strength heat-resistance aluminium alloy material and preparation method thereof |
| CN102181758A (en) * | 2011-06-17 | 2011-09-14 | 重庆协成汽车零部件有限公司 | Novel casting aluminium alloy and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294105A (en) * | 2014-10-29 | 2015-01-21 | 郭芙 | Aluminum alloy |
| CN104313375A (en) * | 2014-10-29 | 2015-01-28 | 张超 | Preparation method of aluminum alloy resistant to wear under high-temperature condition |
| CN104388768A (en) * | 2014-10-29 | 2015-03-04 | 张超 | Wear-resistant aluminum alloy under high-temperature conditions and preparation method thereof |
| CN105401006A (en) * | 2015-11-12 | 2016-03-16 | 俞虹 | Novel aluminum alloy preparing method |
| 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 |
| CN114231798A (en) * | 2021-11-04 | 2022-03-25 | 北京航空航天大学宁波创新研究院 | High-temperature-resistant wear-resistant aluminum alloy material and preparation method and application thereof |
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Application publication date: 20130703 |