CN102864349A - High-temperature resistant aluminium alloy and preparation method thereof - Google Patents
High-temperature resistant aluminium alloy and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-temperature resistant aluminium alloy and a preparation method thereof. The high-temperature resistant aluminium alloy comprises 75.0-82.0 wt% of Al, 11.0-14.0wt% of Si, 3.0-7.0wt% of Cu, 0.9-1.9wt% of Mn, 0-0.5wt% of Fe, 0.8-2.1wt% of Ni, 0-0.25wt% of Mg, 0-0.1wt% of Zn, and 0-0.50 wt% of impurities. The preparation method comprises the following steps: melting, charging, stirring for precipitation, keeping a constant temperature, casting, feeding, conducting heat treatment, and baking. According to the invention, the problem that conventional aluminium alloy is easy to foam, deform, and the like in the case of high temperature can be effectively solved, the formula is reasonable, and the preparation method is simple.
Description
Technical field
The present invention relates to a kind of aluminium alloy and preparation method thereof, especially relevant with fire resistant aluminum alloy and preparation method thereof.
Background technology
At present, the manufacturerss such as kitchen range, scatterer all adopt conventional aluminium alloy to make kitchen range aluminium burner, assembly, and the phenomenons such as distortion in use, bubble easily appears, in the parts such as radiator fin.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can effectively solve conventional aluminium alloy and meet the phenomenons such as high temperature is easy to foaming, distortion, prescription rationally, simple fire resistant aluminum alloy of making method and preparation method thereof.
For achieving the above object, the present invention is achieved by the following technical solutions.Fire resistant aluminum alloy, it is (%) that its weight percent forms: aluminium: 75.0-82.0, silicon: 11.0-14.0, copper: 3.0-7.0, manganese: 0.9-1.9, iron: 0-0.5, nickel: 0.8-2.1, magnesium: 0-0.25, zinc: 0-0.1, impurity summation: 0-0.50.
Described fire resistant aluminum alloy, it is (%) that its weight percent forms: aluminium: 75.0-82.0, silicon: 11.0-14.0, copper: 3.0-7.0, manganese: 0.9-1.9, iron: 0-0.5, nickel: 0.8-2.1, magnesium: 0-0.25, zinc: 0-0.1, chromium: 0.15-0.20, zirconium: 0.005-0.01, titanium: 0.01-0.05, antimony: 0.05-0.1, impurity summation: 0-0.75.
A kind of method for preparing described fire resistant aluminum alloy is: a. is put aluminium ingot in the smelting furnace and is melted, b. add successively silicon, iron, zinc, when temperature of smelting furnace rises to 780 ± 10 ℃, add nickel, manganese, copper, magnesium, perhaps chromatize again, zirconium, titanium, the antimony trace element, c. separates out gas and impurity in the aluminium liquid after melting stirs, d. with smelting furnace constant temperature at 680 ℃ ± 10 ℃, e. adopt the cold-chamber die casting machine die casting with three sections injections, f. die design die cavity adopts central feeding, and g. inserts the Al alloy parts of die cast in the baking oven and heat-treats, at first oven temperature is transferred to 200 ± 10 ℃, smoked 2-2.5 hours, and raised again oven temperature to 370 ℃-390 ℃, smoked 1-2 hours, raise at last oven temperature to 420 ℃-450 ℃, smoked 2-2.5 hours, and be incubated and open baking oven after 2-2.5 hours, naturally cool to room temperature.
The present invention compared with prior art has the following advantages: (one) is that this alloy formula is reasonable, makes simple and convenient; (2) be easily to pass through the cold-chamber die casting machine die cast, stripping result is fine.Density is high, and is air tight, indeformable; (3) be that the kitchen range parts that this aluminium alloy is made use the advantages such as non-foaming, indeformable for a long time under 450 ℃ of-500 ℃ of high-temp combustions; (4) be to make the aluminium alloy parts such as complex structure, the gas burning range burner head of having relatively high expectations; (5) be that the parts that this aluminium alloy is made use outward appearance unchanged, very attractive in appearance under high-temp combustion for a long time.
Embodiment
The below is described in further detail embodiments of the invention.
Embodiment 1: by weight proportion 800 kilograms aluminium ingot is put into stove and melt; Add successively 130 kilograms of silicon, 3 kilograms of iron; When temperature of smelting furnace rises to 780 ℃, add 12 kilograms in nickel, 15 kilograms in manganese, 2 kilograms in 38 kilograms of copper and magnesium; After melting stirs, separate out gas and impurity in the aluminium liquid; Again with smelting furnace constant temperature at 675 ℃; Employing has the cold-chamber die casting machine die casting of three sections injections; The die design die cavity adopts central feeding; The Al alloy parts of die cast inserted in the baking oven heat-treat: at first oven temperature is transferred to 200 ℃, smoked 2.1 hours, raise again oven temperature to 390 ℃, smoked 1 hour, raise at last oven temperature to 430 ℃, smoked 2.3 hours, and be incubated and open baking oven after 2.4 hours, naturally cool to room temperature.Made fire resistant aluminum alloy parts after heat treatment, turning is better, toughness, intensity is higher, alternative brass work and other Rare Metals Materials.
Embodiment 2:a. puts into smelting furnace with 790 kilograms aluminium ingot and melts, b. add successively 123 kilograms of silicon, 0. 5 kilograms on 5 kilograms of iron and zinc when temperature of smelting furnace rises to 785 ℃, add 15 kilograms in nickel, 12 kilograms in manganese, 1.5 kilograms in 50 kilograms of copper and magnesium then add 1.8 kilograms of trace element chromiums, 0.1 kilogram of zirconium again, 0.4 kilogram of titanium, 0.7 kilogram in antimony; C. after melting stirs, separate out gas and impurity in the aluminium liquid, d. with smelting furnace constant temperature at 680 ℃, e. adopt the cold-chamber die casting machine die casting with three sections injections, f. the die design die cavity adopts central feeding, g. the Al alloy parts of die cast is inserted in the baking oven and heat-treat, at first oven temperature is transferred to 205 ℃, smoked 2.3 hours, and raised again oven temperature to 380 ℃, smoked 1.5 hours, raise at last oven temperature to 440 ℃, smoked 2.4 hours, and be incubated and open baking oven after 2.3 hours, naturally cool to room temperature.
Claims (3)
1. fire resistant aluminum alloy is characterized in that it is (%) that its weight percent forms:
Aluminium: 75.0-82.0 silicon: 11.0-14.0 copper: 3.0-7.0
Manganese: 0.9-1.9 iron: 0-0.5 nickel: 0.8-2.1
Magnesium: 0-0.25 zinc: 0-0.1 impurity summation: 0-0.50.
2. fire resistant aluminum alloy according to claim 1 is characterized in that it is (%) that its weight percent forms:
Aluminium: 75.0-82.0 silicon: 11.0-14.0 copper: 3.0-7.0
Manganese: 0.9-1.9 iron: 0-0.5 nickel: 0.8-2.1
Magnesium: 0-0.25 zinc: 0-0.1 chromium: 0.15-0.20
Zirconium: 0.005-0.01 titanium: 0.01-0.05 antimony: 0.05-0.1
Impurity summation: 0-0.75.
3. method for preparing fire resistant aluminum alloy as claimed in claim 1 or 2 is characterized in that its preparation method is:
A. aluminium ingot is put in the smelting furnace and is melted,
B. add successively silicon, iron when zinc, temperature of smelting furnace rise to 780 ± 10 ℃, adds nickel, manganese, and copper, magnesium, perhaps again chromatize, zirconium, titanium, antimony trace element,
C. after melting stirs, separate out gas and impurity in the aluminium liquid,
D. with smelting furnace constant temperature at 680 ℃ ± 10 ℃,
E. adopt the cold-chamber die casting machine die casting with three sections injections,
F. the die design die cavity adopts central feeding,
G. the Al alloy parts of die cast is inserted in the baking oven and heat-treat, at first oven temperature is transferred to 200 ± 10 ℃, smoked 2-2.5 hours, raise again oven temperature to 370 ℃-390 ℃, smoked 1-2 hours, and raised at last oven temperature to 420 ℃-450 ℃, smoked 2-2.5 hours, be incubated and open baking oven after 2-2.5 hours, naturally cool to room temperature.
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| CN 201110186754 CN102864349A (en) | 2011-07-05 | 2011-07-05 | High-temperature resistant aluminium alloy and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313407A (en) * | 2014-10-14 | 2015-01-28 | 张超 | High temperature resistant aluminum alloy and preparation method thereof |
| CN104313408A (en) * | 2014-10-14 | 2015-01-28 | 张超 | Aluminum alloy material and preparation method for preventing overgrowth of grain crystal |
| CN104313410A (en) * | 2014-10-29 | 2015-01-28 | 郭芙 | Aluminum alloy resistant to wear under high-temperature condition |
| CN105420570A (en) * | 2015-12-15 | 2016-03-23 | 常熟市良益金属材料有限公司 | High-hardness alloy material |
| CN105443828A (en) * | 2015-12-29 | 2016-03-30 | 常熟市虞菱机械有限责任公司 | Pipeline flow regulating valve easy to control |
| CN105543594A (en) * | 2015-12-29 | 2016-05-04 | 常熟市虞菱机械有限责任公司 | Manufacturing method of easily-controlled pipeline flow control valve |
| CN107904454A (en) * | 2017-11-22 | 2018-04-13 | 兴化市豪铭艾德金属制品有限公司 | A kind of preparation process applied to aluminium alloy automobile accessory |
| CN108277369A (en) * | 2018-02-09 | 2018-07-13 | 兰州理工大学 | A kind of high duralumin, hard alumin ium alloy processing technology of lightweight |
| CN108411166A (en) * | 2018-02-28 | 2018-08-17 | 山东河山机械股份有限公司 | A kind of pack alloy and preparation method thereof |
| CN110885941A (en) * | 2019-12-30 | 2020-03-17 | 南京南超模具装备有限公司 | High-toughness aluminum alloy material and preparation method thereof |
| CN111020303A (en) * | 2019-11-27 | 2020-04-17 | 亚太轻合金(南通)科技有限公司 | 4XXX series aluminum alloy and preparation method thereof |
| CN113192693A (en) * | 2021-04-28 | 2021-07-30 | 江苏国嘉导体技术科技有限公司 | Production method of flexible aluminum alloy photovoltaic conductor |
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2011
- 2011-07-05 CN CN 201110186754 patent/CN102864349A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313407A (en) * | 2014-10-14 | 2015-01-28 | 张超 | High temperature resistant aluminum alloy and preparation method thereof |
| CN104313408A (en) * | 2014-10-14 | 2015-01-28 | 张超 | Aluminum alloy material and preparation method for preventing overgrowth of grain crystal |
| CN104313410A (en) * | 2014-10-29 | 2015-01-28 | 郭芙 | Aluminum alloy resistant to wear under high-temperature condition |
| CN105420570A (en) * | 2015-12-15 | 2016-03-23 | 常熟市良益金属材料有限公司 | High-hardness alloy material |
| CN105443828A (en) * | 2015-12-29 | 2016-03-30 | 常熟市虞菱机械有限责任公司 | Pipeline flow regulating valve easy to control |
| CN105543594A (en) * | 2015-12-29 | 2016-05-04 | 常熟市虞菱机械有限责任公司 | Manufacturing method of easily-controlled pipeline flow control valve |
| CN107904454A (en) * | 2017-11-22 | 2018-04-13 | 兴化市豪铭艾德金属制品有限公司 | A kind of preparation process applied to aluminium alloy automobile accessory |
| CN108277369A (en) * | 2018-02-09 | 2018-07-13 | 兰州理工大学 | A kind of high duralumin, hard alumin ium alloy processing technology of lightweight |
| CN108411166A (en) * | 2018-02-28 | 2018-08-17 | 山东河山机械股份有限公司 | A kind of pack alloy and preparation method thereof |
| CN111020303A (en) * | 2019-11-27 | 2020-04-17 | 亚太轻合金(南通)科技有限公司 | 4XXX series aluminum alloy and preparation method thereof |
| CN110885941A (en) * | 2019-12-30 | 2020-03-17 | 南京南超模具装备有限公司 | High-toughness aluminum alloy material and preparation method thereof |
| CN113192693A (en) * | 2021-04-28 | 2021-07-30 | 江苏国嘉导体技术科技有限公司 | Production method of flexible aluminum alloy photovoltaic conductor |
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Application publication date: 20130109 |