CN105568065A - Aluminum alloy plate ingot rich in zinc and zirconium elements and preparation method of aluminum alloy plate ingot - Google Patents
Aluminum alloy plate ingot rich in zinc and zirconium elements and preparation method of aluminum alloy plate ingot Download PDFInfo
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- CN105568065A CN105568065A CN201510960559.3A CN201510960559A CN105568065A CN 105568065 A CN105568065 A CN 105568065A CN 201510960559 A CN201510960559 A CN 201510960559A CN 105568065 A CN105568065 A CN 105568065A
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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
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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
- C22C21/10—Alloys based on aluminium with zinc 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
- C22F1/04—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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- Mechanical Engineering (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses an aluminum alloy plate ingot rich in zinc and zirconium elements and a preparation method of the aluminum alloy plate ingot. The aluminum alloy plate ingot comprises, by weight percentage, 0.6% of Si, 0.7% of Fe, 0.05-0.20% of Cu, 1.0-1.5% of Mn, 1.2-1.8% of Zn, 0.2% of Zr and the balance of Al and inevitable impurities. The preparation method includes: melting an aluminum ingot, adding the Mn agent, Si agent, Fe agent, Cu agent, Zn ingot and Zr agent, semi-continuously casting and annealing. The aluminum alloy plate ingot is high in strength, good in plasticity, good in stress resistance and corrosion resistance, and the like. The preparation method is simple in steps, easy to operate, and the like.
Description
Technical field
The invention discloses a kind of aluminium alloy aluminium ingot being rich in zinc and zr element, the invention also discloses a kind of preparation method being rich in the aluminium alloy aluminium ingot of zinc and zr element.
Background technology
Interchanger realizes the energy-efficient equipment that between material, heat transmits between a kind of two kinds in differing temps or two or more fluid, make heat pass to the lower fluid of temperature by higher fluid, fluid temperature (F.T.) is made to reach flow process set quota, to meet the needs of process condition, simultaneously also one of major equipment improving energy utilization rate.Heat exchanger industry relates to nearly 30 multi industries such as HVAC, pressurized vessel, sewerage disposing equipment, mutually forms industry chain (supply chain).
Heat exchanger fin is the main part in heat exchanger component, and the quality of its quality directly decides the quality of interchanger quality.Plate ingot is usually used as the fin material of interchanger, the heat exchanger fin of high plasticity, high strength, high resistance to stress and corrosion resistance, the resist collapse performance of the core body after soldering can be contributed to, the circulation that can also ensure in interchanger working process is expanded with heat and contract with cold the support under environment, and the effective running under Working environment or the stronger operating mode of heat exchange fluid corrodibility, as can be seen here, the performance quality of plate ingot directly has influence on quality and the work-ing life of interchanger, therefore, the intensity of plate ingot, plasticity-and resistance to stress performance are very important.
But plate ingot intensity of the prior art, plasticity-, resistance to stress and corrosive nature can not reach simultaneously better, thus affect the quality of interchanger, and also shorten the work-ing life of interchanger.
Summary of the invention
An object of the present invention overcomes the deficiencies in the prior art, provides the aluminium alloy aluminium ingot that a kind of intensity is comparatively strong, plasticity-, resistance to stress and corrosion resistance nature are rich in zinc and zr element all preferably.
Another object of the present invention is to provide a kind of aluminium alloy aluminium ingot being rich in zinc and zr element and preparation method thereof.
According to technical scheme provided by the invention, the described aluminium alloy aluminium ingot being rich in zinc and zr element, it contains the following composition in mass percentage: the Si of 0.6%, the Fe of 0.7%, Cu, the Mn of 1.0% ~ 1.5% of 0.05% ~ 0.20%, the Zr of the Zn of 1.2% ~ 1.8% and 0.2%, surplus is Al and inevitable impurity.
A kind of preparation method being rich in the aluminium alloy aluminium ingot of zinc and zr element comprises the following steps:
A, put in smelting furnace by aluminium ingot, temperature of smelting furnace is warming up to 740 ~ 760 DEG C, and aluminium ingot all melts rear formation molten bath and skims;
Mn agent is added in b, backward smelting furnace of skimming; After melting completely Deng the Mn agent in smelting furnace, in smelting furnace, add Si agent, Fe agent and Cu agent simultaneously; After melting completely Deng the Si agent in smelting furnace, Fe agent and Cu agent, in smelting furnace, add Zn ingot and Zr agent; After melting completely on the Zn ingot in smelting furnace and Zr agent, obtain aluminium alloy mixed molten liquid;
C, the temperature of aluminium alloy mixed molten liquid is controlled the casting mould pouring uniform forward motion after 705 ~ 710 DEG C into die cavity in carry out semicontinuous casting, the casting speed of casting mould controls at 65 ~ 73mm/min, the cooling water pressure of casting mould controls at 0.08 ~ 0.1MPa, the temperature of cooling water of casting mould controls at 20 ~ 35 DEG C, obtains aluminium alloy plate ingot work in-process;
D, aluminium alloy plate ingot work in-process are put into homogenizing annealing stove anneal, annealing temperature controls at 605 ~ 620 DEG C, and annealing soaking time controls, at 8 ~ 10 hours, to obtain aluminium alloy plate ingot.
Aluminium alloy plate ingot of the present invention has that intensity is comparatively strong, plasticity-is good, resistance to stress and the advantage such as corrosion resistance nature is all better; Preparation method of the present invention has the advantages such as step is simple, easy handling.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of preparation method being rich in the aluminium alloy aluminium ingot of zinc and zr element comprises the following steps:
A, put in smelting furnace by aluminium ingot, temperature of smelting furnace is warming up to 740 ~ 760 DEG C, and aluminium ingot all melts rear formation molten bath and skims;
Mn agent is added in b, backward smelting furnace of skimming; After melting completely Deng the Mn agent in smelting furnace, in smelting furnace, add Si agent, Fe agent and Cu agent simultaneously; After melting completely Deng the Si agent in smelting furnace, Fe agent and Cu agent, in smelting furnace, add Zn ingot and Zr agent; After melting completely on the Zn ingot in smelting furnace and Zr agent, obtain aluminium alloy mixed molten liquid;
C, the temperature of aluminium alloy mixed molten liquid is controlled the casting mould pouring uniform forward motion after 705 ~ 710 DEG C into die cavity in carry out semicontinuous casting, the casting speed of casting mould controls at 65 ~ 73mm/min, the cooling water pressure of casting mould controls at 0.08 ~ 0.1MPa, the temperature of cooling water of casting mould controls at 20 ~ 35 DEG C, obtains aluminium alloy plate ingot work in-process;
D, aluminium alloy plate ingot work in-process are put into homogenizing annealing stove anneal, annealing temperature controls at 605 ~ 620 DEG C, and annealing soaking time controls, at 8 ~ 10 hours, to obtain aluminium alloy plate ingot.
The aluminium alloy plate ingot that embodiment 1 obtains, it contains the following composition in mass percentage: the Si of 0.6%, the Fe of 0.7%, Cu, the Mn of 1.0% of 0.05%, the Zr of the Zn of 1.2% and 0.2%, surplus is Al and inevitable impurity.
The aluminium alloy plate ingot that embodiment 1 is obtained to be rolled into thickness be 0.2mm state is after the aluminium strip of " H14 ", testing its tensile strength is 162MPa, and unit elongation is 3%.
Embodiment 2
A kind of preparation method being rich in the aluminium alloy aluminium ingot of zinc and zr element comprises the following steps:
A, put in smelting furnace by aluminium ingot, temperature of smelting furnace is warming up to 740 ~ 760 DEG C, and aluminium ingot all melts rear formation molten bath and skims;
Mn agent is added in b, backward smelting furnace of skimming; After melting completely Deng the Mn agent in smelting furnace, in smelting furnace, add Si agent, Fe agent and Cu agent simultaneously; After melting completely Deng the Si agent in smelting furnace, Fe agent and Cu agent, in smelting furnace, add Zn ingot and Zr agent; After melting completely on the Zn ingot in smelting furnace and Zr agent, obtain aluminium alloy mixed molten liquid;
C, the temperature of aluminium alloy mixed molten liquid is controlled the casting mould pouring uniform forward motion after 705 ~ 710 DEG C into die cavity in carry out semicontinuous casting, the casting speed of casting mould controls at 65 ~ 73mm/min, the cooling water pressure of casting mould controls at 0.08 ~ 0.1MPa, the temperature of cooling water of casting mould controls at 20 ~ 35 DEG C, obtains aluminium alloy plate ingot work in-process;
D, aluminium alloy plate ingot work in-process are put into homogenizing annealing stove anneal, annealing temperature controls at 605 ~ 620 DEG C, and annealing soaking time controls, at 8 ~ 10 hours, to obtain aluminium alloy plate ingot.
The aluminium alloy plate ingot that embodiment 2 obtains, it contains the following composition in mass percentage: the Si of 0.6%, the Fe of 0.7%, Cu, the Mn of 1.2% of 0.10%, the Zr of the Zn of 1.6% and 0.2%, surplus is Al and inevitable impurity.
The aluminium alloy plate ingot that embodiment 2 is obtained to be rolled into thickness be 0.2mm state is after the aluminium strip of " H14 ", testing its tensile strength is 166MPa, and unit elongation is 3%.
Embodiment 3
A kind of preparation method being rich in the aluminium alloy aluminium ingot of zinc and zr element comprises the following steps:
A, put in smelting furnace by aluminium ingot, temperature of smelting furnace is warming up to 740 ~ 760 DEG C, and aluminium ingot all melts rear formation molten bath and skims;
Mn agent is added in b, backward smelting furnace of skimming; After melting completely Deng the Mn agent in smelting furnace, in smelting furnace, add Si agent, Fe agent and Cu agent simultaneously; After melting completely Deng the Si agent in smelting furnace, Fe agent and Cu agent, in smelting furnace, add Zn ingot and Zr agent; After melting completely on the Zn ingot in smelting furnace and Zr agent, obtain aluminium alloy mixed molten liquid;
C, the temperature of aluminium alloy mixed molten liquid is controlled the casting mould pouring uniform forward motion after 705 ~ 710 DEG C into die cavity in carry out semicontinuous casting, the casting speed of casting mould controls at 65 ~ 73mm/min, the cooling water pressure of casting mould controls at 0.08 ~ 0.1MPa, the temperature of cooling water of casting mould controls at 20 ~ 35 DEG C, obtains aluminium alloy plate ingot work in-process;
D, aluminium alloy plate ingot work in-process are put into homogenizing annealing stove anneal, annealing temperature controls at 605 ~ 620 DEG C, and annealing soaking time controls, at 8 ~ 10 hours, to obtain aluminium alloy plate ingot.
The aluminium alloy plate ingot that embodiment 3 obtains, it contains the following composition in mass percentage: the Si of 0.6%, the Fe of 0.7%, Cu, the Mn of 11.5% of 0.20%, the Zr of the Zn of 1.8% and 0.2%, surplus is Al and inevitable impurity.
It is 0.2mm state is after the aluminium strip of " H14 " that aluminium alloy plate ingot embodiment 3 obtained is rolled into thickness, and testing its tensile strength is 163MPa, and unit elongation is 3%.
This aluminium alloy plate ingot is mainly used in the fin material of interchanger, by thermal treatment solution strengthening, while maintenance high strength, meets the plasticity requirements of fin, contributes to the core body resist collapse performance after soldering.Meanwhile, its timeliness reinforcing property can make to keep intensity not reduce in core body life-time service process, and the interchanger circulation in the course of the work of the resistance to stress performance guarantee of Cu is expanded with heat and contract with cold the support under environment, thus effectively improves the work-ing life of interchanger.
By adding magnesium, titanium and zirconium, and the composition ratio of each element of adjustment in good time, thus overcome plate ingot of the prior art and can not meet the requirement of intensity, plasticity-and resistance to stress performance simultaneously and affect interchanger quality problems, and then while maintenance high strength, also meet plastic requirement, and resistance to stress performance is also better, improves interchanger quality, extends the work-ing life of interchanger.
It should be appreciated by those skilled in the art that those skilled in the art can realize described change case in conjunction with prior art and above-described embodiment, do not repeat them here.Such change case does not affect flesh and blood of the present invention, does not repeat them here.
Above preferred embodiment of the present invention is described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, the equipment wherein do not described in detail to the greatest extent and structure are construed as to be implemented with the usual manner in this area; Any those of ordinary skill in the art, make many possible variations and modification not departing from technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations, this does not affect flesh and blood of the present invention.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (2)
1. one kind is rich in the aluminium alloy aluminium ingot of zinc and zr element, it is characterized in that it contains the following composition in mass percentage: the Si of 0.6%, the Fe of 0.7%, Cu, the Mn of 1.0% ~ 1.5% of 0.05% ~ 0.20%, the Zr of the Zn of 1.2% ~ 1.8% and 0.2%, surplus is Al and inevitable impurity.
2. be rich in a preparation method for the aluminium alloy aluminium ingot of zinc and zr element, it is characterized in that the method comprises the following steps:
A, put in smelting furnace by aluminium ingot, temperature of smelting furnace is warming up to 740 ~ 760 DEG C, and aluminium ingot all melts rear formation molten bath and skims;
Mn agent is added in b, backward smelting furnace of skimming; After melting completely Deng the Mn agent in smelting furnace, in smelting furnace, add Si agent, Fe agent and Cu agent simultaneously; After melting completely Deng the Si agent in smelting furnace, Fe agent and Cu agent, in smelting furnace, add Zn ingot and Zr agent; After melting completely on the Zn ingot in smelting furnace and Zr agent, obtain aluminium alloy mixed molten liquid;
C, the temperature of aluminium alloy mixed molten liquid is controlled the casting mould pouring uniform forward motion after 705 ~ 710 DEG C into die cavity in carry out semicontinuous casting, the casting speed of casting mould controls at 65 ~ 73mm/min, the cooling water pressure of casting mould controls at 0.08 ~ 0.1MPa, the temperature of cooling water of casting mould controls at 20 ~ 35 DEG C, obtains aluminium alloy plate ingot work in-process;
D, aluminium alloy plate ingot work in-process are put into homogenizing annealing stove anneal, annealing temperature controls at 605 ~ 620 DEG C, and annealing soaking time controls, at 8 ~ 10 hours, to obtain aluminium alloy plate ingot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960559.3A CN105568065A (en) | 2015-12-21 | 2015-12-21 | Aluminum alloy plate ingot rich in zinc and zirconium elements and preparation method of aluminum alloy plate ingot |
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| CN201510960559.3A CN105568065A (en) | 2015-12-21 | 2015-12-21 | Aluminum alloy plate ingot rich in zinc and zirconium elements and preparation method of aluminum alloy plate ingot |
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| CN105568065A true CN105568065A (en) | 2016-05-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250648A (en) * | 2007-10-29 | 2008-08-27 | 王建华 | Aluminum alloy material for preparing heat exchanger and processing method thereof |
| CN104342586A (en) * | 2013-07-24 | 2015-02-11 | 大力神铝业股份有限公司 | Multi-element micro-alloyed high-performance braze-welded aluminum alloy material for heat exchanger |
| CN104630572A (en) * | 2014-12-31 | 2015-05-20 | 无锡冠云铝业有限公司 | Alloy plate ingot |
| CN104630571A (en) * | 2014-12-31 | 2015-05-20 | 无锡冠云铝业有限公司 | Anti-corrosive sheet ingot |
-
2015
- 2015-12-21 CN CN201510960559.3A patent/CN105568065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250648A (en) * | 2007-10-29 | 2008-08-27 | 王建华 | Aluminum alloy material for preparing heat exchanger and processing method thereof |
| CN104342586A (en) * | 2013-07-24 | 2015-02-11 | 大力神铝业股份有限公司 | Multi-element micro-alloyed high-performance braze-welded aluminum alloy material for heat exchanger |
| CN104630572A (en) * | 2014-12-31 | 2015-05-20 | 无锡冠云铝业有限公司 | Alloy plate ingot |
| CN104630571A (en) * | 2014-12-31 | 2015-05-20 | 无锡冠云铝业有限公司 | Anti-corrosive sheet ingot |
Non-Patent Citations (2)
| Title |
|---|
| 彭志辉: "《中小型铝加工厂铝板、带、箔材生产》", 30 October 2005, 中南大学出版社 * |
| 杜西灵等: "《铸造实用技术问答 第2版》", 30 November 2013, 机械工业出版社 * |
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Application publication date: 20160511 |