CN105908033A - High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof - Google Patents
High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof Download PDFInfo
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- CN105908033A CN105908033A CN201610431267.5A CN201610431267A CN105908033A CN 105908033 A CN105908033 A CN 105908033A CN 201610431267 A CN201610431267 A CN 201610431267A CN 105908033 A CN105908033 A CN 105908033A
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
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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
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper 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
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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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
- C22F1/057—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 copper as the next major constituent
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a high-performance thin-and-light type aluminum alloy sheet for a vehicle-mounted heat exchanger and a preparation method thereof. The aluminum alloy sheet comprises, by weight, 5.8-7.5% of Cu, 2.6-3.8% of Mg, 3.4-5.65% of Si, 4.3-5.25% of Mn, 3.2-3.85% of Cr, 0.35-0.55% of V, 0.4-0.85% of Fe, 0.75-1.45% of Zn, 2.35-2.86% of B, 0.35-0.75% of Ti, 0.90-1.45% of Co, 6.2-7.5% of microelements, and the balance Al. The high-performance thin-and-light type aluminum alloy sheet for the vehicle-mounted heat exchanger and the preparation method thereof have the advantages that the sheet is excellent in performance, efficient in casting, high in rate of finished products, thin and light, durable, fast in heat dissipation and the like, and can be widely used and popularized.
Description
Technical field
The present invention relates to a kind of aluminum alloy sheet, be specifically related to a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light.Meanwhile, the invention still further relates to the preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light.
Background technology
Heat exchanger is the equipment that the partial heat of hot fluid passes to cold flow body, also known as heat exchanger.Heat exchanger is chemical industry, oil, power, food and the common apparatus of other many industrial departments, occupies critical role aborning.In Chemical Manufacture, heat exchanger can be more widely applied as heater, cooler, condenser, vaporizer and reboiler etc..Heat exchanger kind is a lot, but the principle and mode according to the exchange of cold and hot fluid heat substantially can divide three major types i.e.: dividing wall type, hybrid and heat accumulating type.In three class heat exchangers, dividing wall type heat exchanger application is at most.
Automobile is generally equipped with at least one heat exchanger, its for the waste heat discharge that will produce in internal combustion engine operation in surrounding.The also referred to as heat exchanger of water cooler is usually placed in the front area of automobile and is coupled with internal combustion engine calorifics by the fluid containing coolant.In order to by the waste heat discharge of internal combustion engine to surrounding, make air stream flow through heat exchanger.Described air stream is produced by the running movement of automobile the most under steam or can be produced by fan when running car is slower or static or strengthen.
Along with the most universal of family car and the market demand of low production cost, require that fin is thinner, spacing diminishes between wing, molding is faster, this just requires that aluminum alloy materials has higher hardness on the basis of possessing good heat exchange performance, and ductility is good, and molding is smooth, it is not likely to produce crackle etc. performance, accordingly, it would be desirable to develop the aluminum alloy materials of higher performance light and thin type, to meet the most vigorous market demand.
Summary of the invention
It is an object of the invention to provide a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, in this aluminum alloy sheet, the percetage by weight of each component is: Cu:5.8-7.5%, Mg:2.6-3.8%, Si:3.4-5.65%, Mn:4.3-5.25%, Cr:3.2-3.85%, V:0.35-0.55, Fe: 0.4-0.85%, Zn:0.75-1.45%, B:2.35-2.86%, Ti:0.35-0.75%, Co:0.90-1.45%, trace element: 6.2-7.5%, surplus is Al.
Preferably, described trace element is single trace element or two or more mixed trace elements, and described trace element includes Eu, Ce, Pr, Nd, Yb, La, Y and Rb.
Present invention also offers the preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, specifically include following steps:
S1, melting molding: pacified by each raw material in addition to Ti and trace element and put in smelting furnace according to quality proportioning, add trace element under the conditions of 740-780 DEG C after melting 3-4h, stirring while adding, continues insulation 45-55min after addition；
S2, casting: by the liquation moulding by casting of gained in step S1, casting process adds in liquation Ti, pouring temperature is 680-720 DEG C, then the base substrate that will be cooled to 350-380 DEG C sends into insulation 6-8h in homogenization stove, then gained base substrate carries out high annealing after carrying out being cold-rolled to 6-8 times of finished product desired thickness, annealing temperature is 480-540 DEG C, and annealing time is 6-9h；
S3, rolling: the aluminium alloy base substrate after the casting of step S2 is through 6 passes；
S4, surface process: the outer surface of the aluminum alloy sheet after step S4 being rolled carries out frosted process.
Preferably, aluminum alloy sheet is rolled to thickness by described milling step is 6.8mm.
Compared with prior art, the invention has the beneficial effects as follows: aluminum alloy sheet prepared by the present invention is by suitably adding the proportioning of the elements such as V, Ti, Co, B and Cr in conventional aluminum alloys proportioning, in conjunction with other elements, this aluminum alloy sheet is made to possess more excellent mechanical performance and processing characteristics, hardness is high, and aluminum alloy sheet is more frivolous simultaneously；By adding suitable trace element, it is possible to the stability of enhancing aluminum alloy sheet, and further enhancing the heat conductivility of aluminium alloy, accelerate the heat exchange of heat exchanger；This vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light and preparation method thereof, have function admirable, casting efficiently, the advantage such as yield rate height, lightweight robust thin, heat radiation be quick, can use with popularity.
Detailed description of the invention
It is clearly and completely described below in conjunction with the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
The invention provides a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, in this aluminum alloy sheet, the percetage by weight of each component is: Cu:5.8%, Mg:2.6%, Si:3.4%, Mn:4.3%, Cr:3.2%, V:0.35, Fe: 0.4%, Zn:0.75%, B:2.35%, Ti:0.35%, Co:0.90%, trace element: 6.2%, surplus is Al, and described trace element is single trace element or two or more mixed trace elements, and described trace element includes Eu, Ce, Pr, Nd, Yb, La, Y and Rb.
Present invention also offers the preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, specifically include following steps:
S1, melting molding: pacified by each raw material in addition to Ti and trace element and put in smelting furnace according to quality proportioning, add trace element under the conditions of 740-780 DEG C after melting 3-4h, stirring while adding, continues insulation 45-55min after addition；
S2, casting: by the liquation moulding by casting of gained in step S1, casting process adds in liquation Ti, pouring temperature is 680-720 DEG C, then the base substrate that will be cooled to 350-380 DEG C sends into insulation 6-8h in homogenization stove, then gained base substrate carries out high annealing after carrying out being cold-rolled to 6-8 times of finished product desired thickness, annealing temperature is 480-540 DEG C, and annealing time is 6-9h；
S3, rolling: the aluminium alloy base substrate after the casting of step S2 is through 6 passes；
S4, surface process: the outer surface of the aluminum alloy sheet after step S4 being rolled carries out frosted process, and it is 6.8mm that aluminum alloy sheet is rolled to thickness by described milling step.
Embodiment 2
The invention provides a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, in this aluminum alloy sheet, the percetage by weight of each component is: Cu:7.5%, Mg:3.8%, Si:5.65%, Mn:5.25%, Cr:3.85%, V:0.55, Fe:0.85%, Zn:1.45%, B:2.86%, Ti:0.75%, Co:1.45%, trace element: 7.5%, surplus is Al, and described trace element is single trace element or two or more mixed trace elements, and described trace element includes Eu, Ce, Pr, Nd, Yb, La, Y and Rb.
Present invention also offers the preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, specifically include following steps:
S1, melting molding: pacified by each raw material in addition to Ti and trace element and put in smelting furnace according to quality proportioning, add trace element under the conditions of 740-780 DEG C after melting 3-4h, stirring while adding, continues insulation 45-55min after addition；
S2, casting: by the liquation moulding by casting of gained in step S1, casting process adds in liquation Ti, pouring temperature is 680-720 DEG C, then the base substrate that will be cooled to 350-380 DEG C sends into insulation 6-8h in homogenization stove, then gained base substrate carries out high annealing after carrying out being cold-rolled to 6-8 times of finished product desired thickness, annealing temperature is 480-540 DEG C, and annealing time is 6-9h；
S3, rolling: the aluminium alloy base substrate after the casting of step S2 is through 6 passes；
S4, surface process: the outer surface of the aluminum alloy sheet after step S4 being rolled carries out frosted process, and it is 6.8mm that aluminum alloy sheet is rolled to thickness by described milling step.
Embodiment 3
The invention provides a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, in this aluminum alloy sheet, the percetage by weight of each component is: Cu:6.65%, Mg:3.2%, Si:4.2%, Mn:4.75%, Cr:3.5%, V:0.45, Fe: 0.625%, Zn:1.1%, B:2.52%, Ti:0.55%, Co:1.25%, trace element: 6.85%, surplus is Al, and described trace element is single trace element or two or more mixed trace elements, and described trace element includes Eu, Ce, Pr, Nd, Yb, La, Y and Rb.
Present invention also offers the preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, specifically include following steps:
S1, melting molding: pacified by each raw material in addition to Ti and trace element and put in smelting furnace according to quality proportioning, add trace element under the conditions of 740-780 DEG C after melting 3-4h, stirring while adding, continues insulation 45-55min after addition；
S2, casting: by the liquation moulding by casting of gained in step S1, casting process adds in liquation Ti, pouring temperature is 680-720 DEG C, then the base substrate that will be cooled to 350-380 DEG C sends into insulation 6-8h in homogenization stove, then gained base substrate carries out high annealing after carrying out being cold-rolled to 6-8 times of finished product desired thickness, annealing temperature is 480-540 DEG C, and annealing time is 6-9h；
S3, rolling: the aluminium alloy base substrate after the casting of step S2 is through 6 passes；
S4, surface process: the outer surface of the aluminum alloy sheet after step S4 being rolled carries out frosted process, and it is 6.8mm that aluminum alloy sheet is rolled to thickness by described milling step.
In sum, compared with prior art, the invention have the advantage that aluminum alloy sheet prepared by the present invention passes through suitably to add the proportioning of the elements such as V, Ti, Co, B and Cr in conventional aluminum alloys proportioning, in conjunction with other elements, this aluminum alloy sheet is made to possess more excellent mechanical performance and processing characteristics, hardness is high, and aluminum alloy sheet is more frivolous simultaneously；By adding suitable trace element, it is possible to the stability of enhancing aluminum alloy sheet, and further enhancing the heat conductivility of aluminium alloy, accelerate the heat exchange of heat exchanger；This vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light and preparation method thereof, have function admirable, casting efficiently, the advantage such as yield rate height, lightweight robust thin, heat radiation be quick, can use with popularity.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; it is not limited to the present invention; although the present invention being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (4)
1. the vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light, it is characterised in that: in this aluminum alloy sheet, the percetage by weight of each component is: Cu:5.8-7.5%, Mg:2.6-3.8%, Si:3.4-5.65%, Mn:4.3-5.25%, Cr:3.2-3.85%, V:0.35-0.55, Fe: 0.4-0.85%, Zn:0.75-1.45%, B:2.35-2.86%, Ti:0.35-0.75%, Co:0.90-1.45%, trace element: 6.2-7.5%, surplus is Al.
The one the most according to claim 1 vehicle-mounted heat exchanger slim aluminum alloy sheet of high performance light, it is characterized in that: described trace element is single trace element or two or more mixed trace elements, and described trace element includes Eu, Ce, Pr, Nd, Yb, La, Y and Rb.
The preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light the most according to claim 1, it is characterised in that: specifically include following steps:
S1, melting molding: pacified by each raw material in addition to Ti and trace element and put in smelting furnace according to quality proportioning, add trace element under the conditions of 740-780 DEG C after melting 3-4h, stirring while adding, continues insulation 45-55min after addition；
S2, casting: by the liquation moulding by casting of gained in step S1, casting process adds in liquation Ti, pouring temperature is 680-720 DEG C, then the base substrate that will be cooled to 350-380 DEG C sends into insulation 6-8h in homogenization stove, then gained base substrate carries out high annealing after carrying out being cold-rolled to 6-8 times of finished product desired thickness, annealing temperature is 480-540 DEG C, and annealing time is 6-9h；
S3, rolling: the aluminium alloy base substrate after the casting of step S2 is through 6 passes；
S4, surface process: the outer surface of the aluminum alloy sheet after step S4 being rolled carries out frosted process.
The preparation method of a kind of vehicle-mounted slim aluminum alloy sheet of heat exchanger high performance light the most according to claim 3, it is characterised in that: it is 6.8mm that aluminum alloy sheet is rolled to thickness by described milling step.
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| CN201610431267.5A CN105908033A (en) | 2016-06-17 | 2016-06-17 | High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof |
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| CN201610431267.5A CN105908033A (en) | 2016-06-17 | 2016-06-17 | High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834835A (en) * | 2016-11-28 | 2017-06-13 | 佛山市尚好门窗有限责任公司 | A kind of high-strength aluminum alloy material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213444A (en) * | 1989-02-15 | 1990-08-24 | Furukawa Alum Co Ltd | Wear-resistant aluminum alloy |
| CN105177381A (en) * | 2015-09-30 | 2015-12-23 | 重庆双驰门窗有限公司 | Aluminum alloy material for manufacturing doors and windows |
| CN105256182A (en) * | 2015-10-20 | 2016-01-20 | 安徽天祥空调科技有限公司 | High-corrosion-resistance light and thin aluminum alloy sheet for air conditioner radiator and manufacturing method for high-corrosion-resistance light and thin aluminum alloy sheet |
| CN105256202A (en) * | 2015-10-20 | 2016-01-20 | 安徽天祥空调科技有限公司 | High-plasticity free-cutting light and thin aluminum alloy sheet for air conditioner radiator and manufacturing method for high-plasticity free-cutting light and thin aluminum alloy sheet |
| CN105441733A (en) * | 2015-12-14 | 2016-03-30 | 青岛唐鹏钢结构工程有限公司 | Wear-resisting aluminium alloy material |
-
2016
- 2016-06-17 CN CN201610431267.5A patent/CN105908033A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213444A (en) * | 1989-02-15 | 1990-08-24 | Furukawa Alum Co Ltd | Wear-resistant aluminum alloy |
| CN105177381A (en) * | 2015-09-30 | 2015-12-23 | 重庆双驰门窗有限公司 | Aluminum alloy material for manufacturing doors and windows |
| CN105256182A (en) * | 2015-10-20 | 2016-01-20 | 安徽天祥空调科技有限公司 | High-corrosion-resistance light and thin aluminum alloy sheet for air conditioner radiator and manufacturing method for high-corrosion-resistance light and thin aluminum alloy sheet |
| CN105256202A (en) * | 2015-10-20 | 2016-01-20 | 安徽天祥空调科技有限公司 | High-plasticity free-cutting light and thin aluminum alloy sheet for air conditioner radiator and manufacturing method for high-plasticity free-cutting light and thin aluminum alloy sheet |
| CN105441733A (en) * | 2015-12-14 | 2016-03-30 | 青岛唐鹏钢结构工程有限公司 | Wear-resisting aluminium alloy material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834835A (en) * | 2016-11-28 | 2017-06-13 | 佛山市尚好门窗有限责任公司 | A kind of high-strength aluminum alloy material |
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Application publication date: 20160831 |