CN105861863A - Heat treatment technology for high-strength aluminum alloy - Google Patents
Heat treatment technology for high-strength aluminum alloy Download PDFInfo
- Publication number
- CN105861863A CN105861863A CN201610328857.5A CN201610328857A CN105861863A CN 105861863 A CN105861863 A CN 105861863A CN 201610328857 A CN201610328857 A CN 201610328857A CN 105861863 A CN105861863 A CN 105861863A
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- Prior art keywords
- aluminum alloy
- ingot
- heated
- cooled
- strength aluminum
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Classifications
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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
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- 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
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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
- C22F1/053—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
Abstract
The invention discloses a heat treatment technology for a high-treatment aluminum alloy. The heat treatment technology specifically includes the following steps that firstly, an aluminum ingot is put into a crucible to be heated to the temperature ranging from 780 DEG C to 820 DEG C, after the aluminum ingot is melted, dross is pushed aside, a copper and zinc alloy is put in, a dross removing agent is scattered to the surface after the molten aluminum ingot and the copper and zinc alloy are sufficiently fused, the temperature is reduced to be below 700 DEG C, then casting treatment is conducted, and an aluminum alloy ingot is obtained; then the aluminum alloy ingot is put into a quenching furnace, the aluminum alloy ingot is firstly heated to the temperature ranging from 560 DEG C to 600 DEG C at the rate of 30 DEG C/min, and then the aluminum alloy ingot is cooled to the temperature ranging from 300 DEG C to 360 DEG C at the rate of 50 DEG C/min; and finally, the quenched aluminum alloy ingot is heated to the temperature ranging from 180 DEG C to 220 DEG C, heat insulation is conducted for 4 h-5 h, then the aluminum alloy ingot is cooled to the temperature ranging from 110 DEG C to 130 DEG C, heat insulation is conducted for 3 h to 4 h, and natural cooling is conducted at the room temperature at last. By means of the above manner, the manufactured aluminum alloy can have the beneficial effect of being high in strength through the heat treatment technology, the production quality is high, and the service life of the manufactured aluminum alloy can be greatly prolonged.
Description
Technical field
The present invention relates to a kind of Technology for Heating Processing, particularly to the Technology for Heating Processing of a kind of high-strength aluminum alloy.
Background technology
Aluminium alloy is with aluminum as matrix element, being subsequently adding the alloy of one or more alloying elements composition, the density of aluminium alloy is low, but strength ratio is higher, and there are excellent electric conductivity, heat conductivity and corrosion stability etc. so that aluminum alloy materials has obtained relatively broad application in every profession and trade.
Along with aluminum alloy materials research is goed deep into, existing aluminum alloy materials kind is more, the performance of various aluminum alloy materials there is also larger difference, but the Technology for Heating Processing for aluminum alloy materials is loaded down with trivial details in prior art, production cost is bigger, and the aluminum alloy material physical property obtained after Chu Liing is the most not enough, especially show especially prominent in terms of intensity.
Summary of the invention
The technical problem that present invention mainly solves is to provide the Technology for Heating Processing of a kind of high-strength aluminum alloy, it is possible to making the aluminium alloy prepared possess the feature having high intensity, the quality of production is high, it is possible to the service life of obtained aluminium alloy is greatly improved.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides the Technology for Heating Processing of a kind of high-strength aluminum alloy, specifically includes following steps:
(1), melting: aluminium ingot is put in crucible and be heated between 780-820 DEG C, after aluminium ingot melts, take off removing dross, put into ormolu, after it fully fuses, spill into deslagging agent on surface, carry out casting process after being cooled to less than 700 DEG C subsequently, obtain aluminium alloy ingots；
(2), Quenching Treatment: aluminium alloy ingots is put into glowing furnace, is first heated between 560-600 DEG C with 30 DEG C/min, being cooled between 300-360 DEG C with 50 DEG C/min the most again；
(3), Ageing Treatment: the aluminium alloy ingots after quenching is put into hothouse and is heated between 180-220 DEG C, be incubated 4-5h, be cooled to subsequently between 110-130 DEG C, be incubated 3-4h, last room temperature natural cooling.
In a preferred embodiment of the present invention, the composition proportion of the ormolu in described step (1) is: described copper accounts for 30-40%, and described zinc accounts for 60-70%.
In a preferred embodiment of the present invention, the deslagging agent in described step (1) is Margarita rock sand.
In a preferred embodiment of the present invention, in described step (1), the mass ratio of aluminium ingot and ormolu is 5:1.
The invention has the beneficial effects as follows: the aluminium alloy that the Technology for Heating Processing of a kind of high-strength aluminum alloy of the present invention enables to prepare possesses the feature having high intensity, the quality of production is high, it is possible to the service life of obtained aluminium alloy is greatly improved.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Embodiment 1:
The Technology for Heating Processing of a kind of high-strength aluminum alloy, specifically includes following steps:
(1), melting: aluminium ingot is put in crucible and be heated to 780 DEG C, after aluminium ingot melts, take off removing dross, put into ormolu, after it fully fuses, spill into deslagging agent on surface, carry out casting process after being cooled to less than 700 DEG C subsequently, obtain aluminium alloy ingots, the composition proportion of described ormolu is: described copper accounts for 40%, and described zinc accounts for 60%；
(2), Quenching Treatment: aluminium alloy ingots is put into glowing furnace, is first heated to 560 DEG C with 30 DEG C/min, be cooled to 300 DEG C with 50 DEG C/min the most again；
(3), Ageing Treatment: the aluminium alloy ingots after quenching is put into hothouse and is heated to 180 DEG C, be incubated 5h, be cooled to 110 DEG C subsequently, be incubated 4h, last room temperature natural cooling.
Embodiment 2:
The Technology for Heating Processing of a kind of high-strength aluminum alloy, specifically includes following steps:
(1), melting: aluminium ingot is put in crucible and be heated to 820 DEG C, after aluminium ingot melts, take off removing dross, put into ormolu, after it fully fuses, spill into deslagging agent on surface, carry out casting process after being cooled to less than 700 DEG C subsequently, obtain aluminium alloy ingots, the composition proportion of described ormolu is: described copper accounts for 30%, and described zinc accounts for 70%；
(2), Quenching Treatment: aluminium alloy ingots is put into glowing furnace, is first heated to 600 DEG C with 30 DEG C/min, be cooled to 360 DEG C with 50 DEG C/min the most again；
(3), Ageing Treatment: the aluminium alloy ingots after quenching is put into hothouse and is heated to 220 DEG C, be incubated 4h, be cooled to 130 DEG C subsequently, be incubated 3h, last room temperature natural cooling.
Embodiment 3:
The Technology for Heating Processing of a kind of high-strength aluminum alloy, specifically includes following steps:
(1), melting: aluminium ingot is put in crucible and be heated to 800 DEG C, after aluminium ingot melts, take off removing dross, put into ormolu, after it fully fuses, spill into deslagging agent on surface, carry out casting process after being cooled to less than 700 DEG C subsequently, obtain aluminium alloy ingots, the composition proportion of described ormolu is: described copper accounts for 35%, and described zinc accounts for 65%；
(2), Quenching Treatment: aluminium alloy ingots is put into glowing furnace, is first heated to 580 DEG C with 30 DEG C/min, be cooled to 330 DEG C with 50 DEG C/min the most again；
(3), Ageing Treatment: the aluminium alloy ingots after quenching is put into hothouse and is heated to 200 DEG C, be incubated 4.5h, be cooled to 120 DEG C subsequently, be incubated 3.5h, last room temperature natural cooling.
Wherein, in described step (1), the mass ratio of aluminium ingot and ormolu is 5:1；Deslagging agent in described step (1) is Margarita rock sand.
Being different from prior art, the aluminium alloy that the Technology for Heating Processing of a kind of high-strength aluminum alloy of the present invention enables to prepare possesses the feature having high intensity, and the quality of production is high, it is possible to the service life of obtained aluminium alloy is greatly improved.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. the Technology for Heating Processing of a high-strength aluminum alloy, it is characterised in that specifically include following steps:
(1), melting: aluminium ingot is put in crucible and be heated between 780-820 DEG C, after aluminium ingot melts, take off removing dross, put into ormolu, spilling into deslagging agent on surface after it fully fuses, carry out casting process after being cooled to less than 700 DEG C subsequently, cooling obtains aluminium alloy ingots；
(2), Quenching Treatment: aluminium alloy ingots is put into glowing furnace, is first heated between 560-600 DEG C with 30 DEG C/min, being cooled between 300-360 DEG C with 50 DEG C/min the most again；
(3), Ageing Treatment: the aluminium alloy ingots after quenching is put into hothouse and is heated between 180-220 DEG C, be incubated 4-5h, be cooled to subsequently between 110-130 DEG C, be incubated 3-4h, last room temperature natural cooling.
The Technology for Heating Processing of high-strength aluminum alloy the most according to claim 1, it is characterised in that the composition proportion of the ormolu in described step (1) is: described copper accounts for 30-40%, and described zinc accounts for 60-70%.
The Technology for Heating Processing of high-strength aluminum alloy the most according to claim 1, it is characterised in that the deslagging agent in described step (1) is Margarita rock sand.
The Technology for Heating Processing of high-strength aluminum alloy the most according to claim 1, it is characterised in that in described step (1), the mass ratio of aluminium ingot and ormolu is 5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328857.5A CN105861863A (en) | 2016-05-18 | 2016-05-18 | Heat treatment technology for high-strength aluminum alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328857.5A CN105861863A (en) | 2016-05-18 | 2016-05-18 | Heat treatment technology for high-strength aluminum alloy |
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| CN201610328857.5A Pending CN105861863A (en) | 2016-05-18 | 2016-05-18 | Heat treatment technology for high-strength aluminum alloy |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255314A (en) * | 2013-06-05 | 2013-08-21 | 镇江忆诺唯记忆合金有限公司 | Copper-zinc-aluminum shape memory alloy with improved frictional wear resistance |
| CN103276261A (en) * | 2013-05-28 | 2013-09-04 | 江苏大学 | Preparation method of high-conductivity aluminum alloy |
| CN104342593A (en) * | 2013-08-04 | 2015-02-11 | 镇江忆诺唯记忆合金有限公司 | Copper-zinc-aluminum memory alloy for improving phase transformation point stability under hot and cold cycles |
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2016
- 2016-05-18 CN CN201610328857.5A patent/CN105861863A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276261A (en) * | 2013-05-28 | 2013-09-04 | 江苏大学 | Preparation method of high-conductivity aluminum alloy |
| CN103255314A (en) * | 2013-06-05 | 2013-08-21 | 镇江忆诺唯记忆合金有限公司 | Copper-zinc-aluminum shape memory alloy with improved frictional wear resistance |
| CN104342593A (en) * | 2013-08-04 | 2015-02-11 | 镇江忆诺唯记忆合金有限公司 | Copper-zinc-aluminum memory alloy for improving phase transformation point stability under hot and cold cycles |
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Application publication date: 20160817 |