CN104651685A - Aluminum magnesium alloy material and preparation method thereof - Google Patents
Aluminum magnesium alloy material and preparation method thereof Download PDFInfo
- Publication number
- CN104651685A CN104651685A CN201510102602.2A CN201510102602A CN104651685A CN 104651685 A CN104651685 A CN 104651685A CN 201510102602 A CN201510102602 A CN 201510102602A CN 104651685 A CN104651685 A CN 104651685A
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- temperature
- hydronalium
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- high melt
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
-
- 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
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
-
- 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
- C22F1/047—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 magnesium as the next major constituent
Abstract
The invention relates to an aluminum magnesium alloy material and a preparation method thereof. The aluminum magnesium alloy material comprises the following materials in percentage by weight: 0.5-2.5wt% of La, 2-8wt% of Si, 0.8-4.6wt% of Zn, 0.7-1.5wt% of Sc, 0.4-0.9wt% of K, 36-44wt% of Mg and the balance of Al. The preparation method comprises the following steps: (1) mixing the materials in percentage by weight; (2) raising the temperature of a high-temperature smelting furnace to 670-750 DEG C, and after the temperature of the high-temperature smelting furnace is stabilized, adding the materials prepared in the step (1) for vacuum smelting; (3) after smelting, decreasing the temperature of the high-temperature smelting furnace to 390-430 DEG C and cooling and insulating for 2.5 hours; and (4) annealing the temperature of the high-temperature smelting furnace and cooling to room temperature to prepare the aluminum magnesium alloy material.
Description
Technical field
The invention belongs to field of alloy material, relate to a kind of alloy material and preparation method thereof, particularly relate to a kind of hydronalium and preparation method thereof.
Background technology
In order to improve aluminium, iron some performance and make it to obtain some property and be intended to add in smelting process alloying element, conventional alloying element has chromium (Cr), nickel (Ni), molybdenum (Mo), tungsten (w), vanadium (V).Titanium (Ti), niobium (Nb), zirconium (Zr), cobalt (Co), silicon (Si), manganese (Mn), copper (Cu), boron (B), rare earth (Re) etc.Phosphorus (P), sulphur (S), nitrogen (N) etc. also play alloys producing in some cases.
Aluminum alloy materials has purposes widely, such as aluminum alloy materials can be used for processing the part parts needing good plasticity, such as Chemicals, foodstuffs industry device and storage vessel, thin plate workpiece, deep-draw or spinning holloware, welding part, heat exchanger, printing plate, nameplate, reflective utensil and adiabatic aluminium foil, heat exchanger etc.Aluminum alloy materials, in above-mentioned purposes, needs to have higher physical strength, as good hardness and tensile strength etc. under a stable condition.
Summary of the invention
The technical problem solved: the physical strength of conventional hydronalium is lower, as hardness, tensile strength etc. are lower, its needs in industrial application can not be met preferably, limit the application of hydronalium, the object of this invention is to provide novel aluminum-magnesium alloy material that a kind of hardness is high, tensile strength is high and preparation method thereof.
Technical scheme: for the problems referred to above, the invention discloses a kind of hydronalium and preparation method thereof, and described hydronalium consists of the following composition:
La be 0.5wt% ~ 2.5wt%,
Si be 2wt% ~ 8wt%,
Zn be 0.8wt% ~ 4.6wt%,
Sc be 0.7wt% ~ 1.5wt%,
K be 0.4wt% ~ 0.9wt%,
Mg be 36wt% ~ 44wt%,
Surplus is Al.
Preferably, described a kind of hydronalium, consists of the following composition:
La be 1.0wt% ~ 1.8wt%,
Si be 4wt% ~ 6wt%,
Zn be 1.5wt% ~ 3.1wt%,
Sc be 0.9wt% ~ 1.3wt%,
K be 0.5wt% ~ 0.8wt%,
Mg be 38wt% ~ 42wt%,
Surplus is Al.
A preparation method for hydronalium, comprises the following steps:
(1) to get La be by weight percentage 0.5wt% ~ 2.5wt%, Si be 2wt% ~ 8wt%, Zn be 0.8wt% ~ 4.6wt%, Sc be 0.7wt% ~ 1.5wt%, K be 0.4wt% ~ 0.9wt%, Mg is 36wt% ~ 44wt%, surplus is Al, by above-mentioned mixing of materials;
(2) high melt in-furnace temperature is increased to 670 ~ 750 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 2h ~ 4h;
(3) after melting, high melt in-furnace temperature is down to 390 ~ 430 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling;
(4) high melt in-furnace temperature is carried out anneal, after being annealed to 220 ~ 240 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
The preparation method of described a kind of hydronalium, high melt in-furnace temperature is increased to 720 DEG C in (2) by preparation method's step, after temperature-stable in high temperature melting furnace, adds each composite material that step (1) prepares, carry out vacuum melting, smelting time is 3h.
The preparation method of described a kind of hydronalium, in preparation method's step (3) after melting, is down to 410 DEG C by high melt in-furnace temperature.
The preparation method of described a kind of hydronalium, high melt in-furnace temperature is carried out anneal in (4) by preparation method's step, is annealed to 230 DEG C.
Beneficial effect: in the material composi of hydronalium of the present invention, distinguish larger with the moiety of the hydronalium of routine, add different metals or Non-metallic components, effectively raise hardness and the tensile strength of the hydronalium of preparation, the preparation method of hydronalium of the present invention changes the temperature of the high melt link in preparation technology, holding temperature and annealing temperature in addition, and the character of the hydronalium obtained is greatly improved.
Embodiment
Embodiment 1
(1) to get La be by weight percentage 2.5wt%, Si be 2wt%, Zn be 4.6wt%, Sc be 1.5wt%, K be 0.9wt%, Mg is 36wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 750 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 2h; (3) after melting, high melt in-furnace temperature is down to 390 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 240 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Embodiment 2
(1) to get La be by weight percentage 0.5wt%, Si be 8wt%, Zn be 0.8wt%, Sc be 0.7wt%, K be 0.4wt%, Mg is 44wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 670 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 4h; (3) after melting, high melt in-furnace temperature is down to 430 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 220 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Embodiment 3
(1) to get La be by weight percentage 1.0wt%, Si be 6wt%, Zn be 1.5wt%, Sc be 1.3wt%, K be 0.5wt%, Mg is 42wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 750 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 2h; (3) after melting, high melt in-furnace temperature is down to 390 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 240 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Embodiment 4
(1) to get La be by weight percentage 1.8wt%, Si be 4wt%, Zn be 3.1wt%, Sc be 0.9wt%, K be 0.8wt%, Mg is 38wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 670 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 4h; (3) after melting, high melt in-furnace temperature is down to 430 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 220 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Embodiment 5
(1) to get La be by weight percentage 1.4wt%, Si be 5wt%, Zn be 2.7wt%, Sc be 1.1wt%, K be 0.7wt%, Mg is 40wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 720 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 3h; (3) after melting, high melt in-furnace temperature is down to 410 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 230 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Comparative example
(1) to get Si be by weight percentage 2wt%, Zn be 4.6wt%, K be 0.9wt%, Mg is 36wt%, surplus is Al, by above-mentioned mixing of materials; (2) high melt in-furnace temperature is increased to 750 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 2h; (3) after melting, high melt in-furnace temperature is down to 390 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling; (4) high melt in-furnace temperature is carried out anneal, after being annealed to 240 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
Tensile strength and the hardness of the hydronalium of embodiment 1 to 5 and comparative example are as follows:
La and Sc is not added in the hydronalium of comparative example, result in its tensile strength and hardness all reduces clearly, in preparation method of the present invention after adding La and Sc, effectively raise its tensile strength and hardness, improve the physical strength of hydronalium.
Claims (6)
1. a hydronalium, is characterized in that described hydronalium consists of the following composition:
La be 0.5wt% ~ 2.5wt%,
Si be 2wt% ~ 8wt%,
Zn be 0.8wt% ~ 4.6wt%,
Sc be 0.7wt% ~ 1.5wt%,
K be 0.4wt% ~ 0.9wt%,
Mg be 36wt% ~ 44wt%,
Surplus is Al.
2. a kind of hydronalium according to claim 1, is characterized in that described hydronalium consists of the following composition:
La be 1.0wt% ~ 1.8wt%,
Si be 4wt% ~ 6wt%,
Zn be 1.5wt% ~ 3.1wt%,
Sc be 0.9wt% ~ 1.3wt%,
K be 0.5wt% ~ 0.8wt%,
Mg be 38wt% ~ 42wt%,
Surplus is Al.
3. a preparation method for hydronalium, is characterized in that the preparation method of described hydronalium comprises the following steps:
(1) to get La be by weight percentage 0.5wt% ~ 2.5wt%, Si to be 2wt% ~ 8wt%, Zn be 0.8wt% ~ 4.6wt%,
Sc is 0.7wt% ~ 1.5wt%, K be 0.4wt% ~ 0.9wt%, Mg is 36wt% ~ 44wt%, surplus is Al, by above-mentioned mixing of materials;
(2) high melt in-furnace temperature is increased to 670 ~ 750 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 2h ~ 4h;
(3) after melting, high melt in-furnace temperature is down to 390 ~ 430 DEG C, rate of temperature fall is 50 DEG C/min, is incubated 2.5h after cooling;
(4) high melt in-furnace temperature is carried out anneal, after being annealed to 220 ~ 240 DEG C, insulation 2h, is cooled to room temperature, prepares hydronalium.
4. the preparation method of a kind of hydronalium according to claim 3, it is characterized in that, in preparation method's step (2) of described hydronalium, high melt in-furnace temperature is increased to 720 DEG C, after temperature-stable in high temperature melting furnace, add each composite material that step (1) prepares, carry out vacuum melting, smelting time is 3h.
5. the preparation method of a kind of hydronalium according to claim 3, after it is characterized in that the middle melting of preparation method's step (3) of described hydronalium, is down to 410 DEG C by high melt in-furnace temperature.
6. the preparation method of a kind of hydronalium according to claim 3, is characterized in that, in preparation method's step (4) of described hydronalium, high melt in-furnace temperature is carried out anneal, is annealed to 230 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510102602.2A CN104651685A (en) | 2015-03-09 | 2015-03-09 | Aluminum magnesium alloy material and preparation method thereof |
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| CN201510102602.2A CN104651685A (en) | 2015-03-09 | 2015-03-09 | Aluminum magnesium alloy material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934909A (en) * | 2015-06-01 | 2015-09-23 | 金海新源电气江苏有限公司 | Light fireproof high-strength cable bridge and machining method therefor |
| CN105369100A (en) * | 2015-12-21 | 2016-03-02 | 常熟市制冷压缩机铸件厂 | Aluminum alloy material used for manufacturing cylinder seat of refrigerator compressor |
| WO2017080070A1 (en) * | 2015-11-13 | 2017-05-18 | 太仓荣中机电科技有限公司 | Electronic magnesium-aluminum alloy material |
| CN109402467A (en) * | 2019-01-10 | 2019-03-01 | 广东荻赛尔机械铸造股份有限公司 | Aluminum-magnesium alloy material and its preparation method and application |
| CN109500552A (en) * | 2018-12-21 | 2019-03-22 | 昆山市长盈铝业有限公司 | A kind of roof carrier for vehicles profile and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934909A (en) * | 2015-06-01 | 2015-09-23 | 金海新源电气江苏有限公司 | Light fireproof high-strength cable bridge and machining method therefor |
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| WO2017080070A1 (en) * | 2015-11-13 | 2017-05-18 | 太仓荣中机电科技有限公司 | Electronic magnesium-aluminum alloy material |
| CN105369100A (en) * | 2015-12-21 | 2016-03-02 | 常熟市制冷压缩机铸件厂 | Aluminum alloy material used for manufacturing cylinder seat of refrigerator compressor |
| CN109500552A (en) * | 2018-12-21 | 2019-03-22 | 昆山市长盈铝业有限公司 | A kind of roof carrier for vehicles profile and preparation method thereof |
| CN109500552B (en) * | 2018-12-21 | 2020-04-24 | 昆山市长盈铝业有限公司 | Vehicle luggage rack section bar and preparation method thereof |
| CN109402467A (en) * | 2019-01-10 | 2019-03-01 | 广东荻赛尔机械铸造股份有限公司 | Aluminum-magnesium alloy material and its preparation method and application |
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Application publication date: 20150527 |