CN103966482A - Aluminum alloy plate with good heat insulation effect - Google Patents
Aluminum alloy plate with good heat insulation effect Download PDFInfo
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- CN103966482A CN103966482A CN201410139773.8A CN201410139773A CN103966482A CN 103966482 A CN103966482 A CN 103966482A CN 201410139773 A CN201410139773 A CN 201410139773A CN 103966482 A CN103966482 A CN 103966482A
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Abstract
The invention discloses an aluminum alloy plate with a good heat insulation effect. The aluminum alloy plate comprises the following elements in percentage by mass: 0.6-0.8% of Ho, 0.3-0.5% of Zr, 0.02-0.04% of Ti, 0.015-0.02% of B, 0.2-0.4% of Mo, 0.06-0.09% of RE, 0.04-0.11% of Si, 0.13-0.24% of Fe, 0.01-0.02% of Ta, and Al and impurities in balance amount. The aluminum alloy plate provided by the invention is reasonable in doping, and the prepared aluminum alloy plate is good in heat insulation effect and applied to auto spare parts.
Description
Technical field
The present invention relates to field of aluminum alloys, is exactly a kind of aluminum alloy plate materials of good heat-insulation effect.
Background technology
Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry, widely applies.
Cast aluminium alloy has good castability.Can select suitable alloy and suitable castmethod according to requirement and the economic benefit of the each side such as application target, part shape, dimensional precision, quantity, quality standard, mechanical property.Cast aluminium alloy is mainly used in the non-engine components such as cast engine cylinder, clutch housing, rear axle housing, steering gear housing, variator, valve actuating mechanism, lubricating oil pump, water pump, rocker arm cover, wheel, engine frame, caliper, oil cylinder and retarding disc.
Summary of the invention
The object of the present invention is to provide a kind of aluminum alloy plate materials of good heat-insulation effect.
Above-mentioned purpose realizes by following scheme:
An aluminum alloy plate materials for good heat-insulation effect, is characterized in that: its each element consists of by mass percentage: Ho0.6-0.8, Zr 0.3-0.5, Ti0.02-0.04, B0.015-0. 02, Mo0.2-0.4, RE 0.06-0.09, Si0.04-0.11, Fe0.13-0.24, Ta0.01-0.02, surplus are Al and impurity.
The aluminum alloy plate materials of described a kind of good heat-insulation effect, is characterized in that: casting technique is:
(1), according to mass percent claimed in claim 1, get a certain amount of each pure metal ingot, by a certain amount of pure metal ingot melting at the temperature of 720-750 ℃ except titanium metal ingot, ferrous metal ingot, it is aluminum alloy melt, in 760-780 ℃ of holding furnace, add refining agent again, employing high-temperature alloy steel double leaf agitator stirs 13-15 minute with the speed of 35-55 rev/min, after finishing, stirring is warming up to 750-760 ℃ of standing insulation 10-15 minute, skim, sampling analysis after skimming, obtains aluminum alloy melt;
(2) according to mass percent claimed in claim 1, getting the melting at the temperature of 800-830 ℃ of a certain amount of titanium metal ingot, ferrous metal ingot is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical powdered alloy of particle diameter below 100 μ m, obtain powdered alloy;
(3) after step (1) gained aluminum alloy melt and step (2) gained powdered alloy are mixed according to mass percent claimed in claim 1, at the temperature of 830-840 ℃, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800-810 ℃ of holding furnace, carry out refining for the second time, employing high-temperature alloy steel double leaf agitator stirs 8-15 minute with the speed of 25-35 rev/min, after finishing, stirring is warming up to 780-790 ℃ of standing insulation 10-20 minute, skim, sampling analysis after skimming;
(4) the qualified melt of composition is covered standing after, then at 710-725 ℃, pour into a mould, obtain aluminium alloy strand, cooling after, 40-45 hour is processed in overaging at temperature 270-290 ℃, 400-410 ℃ after preheating 3-5 hour, be warming up to again 440-450 ℃ of preheating 2-4 hour, then be warming up to 470-480 ℃ of preheating 3-5 hour, then cool to 380-390 ℃, be incubated after 6-8 hour roll forming;
(5), rolling complete after 550-560 ℃ of salt bath process 40-60 minute;
(6) the aluminum alloy plate materials recrystallization annealing, after processing finally by described salt bath, obtains.
The aluminum alloy plate materials of described a kind of good heat-insulation effect, is characterized in that: described refining agent is made by the raw material of following weight parts: calcium oxide 12-15, silicon-dioxide 3-4, potassium fluoroaluminate 1-2, SODIUMNITRATE 3-5, celestite powder 4-5, vermiculite power 1-2;
The preparation method of described refining agent is:
(1) in the acetic acid solution that is 10-15% by celestite powder, vermiculite power in concentration, steep while stirring after 1-3 hour, refilter, with deionized water, clean, dry, grind to form nanometer powder;
(2) will except celestite powder, vermiculite power after all the other raw material blendings, pulverize and add again step (1) gained nanometer powder, after stirring, obtain.
Beneficial effect of the present invention is: the present invention adulterates rationally, and the aluminum heat insulation making is good, is applicable to auto parts machinery.
Embodiment
An aluminum alloy plate materials for good heat-insulation effect, its each element consists of by mass percentage: Ho0.8, Zr 0.3, Ti0.04, B0.015, Mo0.4, RE 0.09, Si0.11, Fe0.13, Ta0.02, surplus are Al and impurity.
The aluminum alloy plate materials of described a kind of good heat-insulation effect, casting technique is:
(1), according to mass percent claimed in claim 1, get a certain amount of each pure metal ingot, by a certain amount of pure metal ingot melting at the temperature of 750 ℃ except titanium metal ingot, ferrous metal ingot, it is aluminum alloy melt, in 780 ℃ of holding furnaces, add refining agent again, employing high-temperature alloy steel double leaf agitator stirs 15 minutes with the speed of 55 revs/min, after stirring finishes, is warming up to 750 ℃ of standing insulations 15 minutes, skims, sampling analysis after skimming, obtains aluminum alloy melt;
(2) according to mass percent claimed in claim 1, getting the melting at the temperature of 830 ℃ of a certain amount of titanium metal ingot, ferrous metal ingot is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical powdered alloy of particle diameter below 100 μ m, obtain powdered alloy;
(3) after step (1) gained aluminum alloy melt and step (2) gained powdered alloy are mixed according to mass percent claimed in claim 1, at the temperature of 840 ℃, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 810 ℃ of holding furnaces, carry out refining for the second time, employing high-temperature alloy steel double leaf agitator stirs 15 minutes with the speed of 35 revs/min, after stirring finishes, be warming up to 790 ℃ of standing insulations 20 minutes, skim, sampling analysis after skimming;
(4) the qualified melt of composition is covered standing after, then at 725 ℃, pour into a mould, obtain aluminium alloy strand, cooling after, at 290 ℃ of temperature, overaging is processed 45 hours, 410 ℃ of preheatings are after 5 hours, be warming up to again 450 ℃ of preheatings 4 hours, then be warming up to 480 ℃ of preheatings 5 hours, then cool to 390 ℃, be incubated after 8 hours roll forming;
(5), rolling complete after 560 ℃ of salt baths process 60 minutes;
(6) the aluminum alloy plate materials recrystallization annealing, after processing finally by described salt bath, obtains.
Described refining agent is made by the raw material of following weight kg: calcium oxide 15, silicon-dioxide 4, potassium fluoroaluminate 2, SODIUMNITRATE 5, celestite powder 5, vermiculite power 2;
The preparation method of described refining agent is:
(1) in the acetic acid solution that is 12% by celestite powder, vermiculite power in concentration, steep while stirring after 3 hours, refilter, with deionized water, clean, dry, grind to form nanometer powder;
(2) will except celestite powder, vermiculite power after all the other raw material blendings, pulverize and add again step (1) gained nanometer powder, after stirring, obtain.
The aluminium alloy making is through check, and its salient features is: tensile strength 453Mpa, slip resistance 222MPa, unit elongation 17.6%.
Claims (3)
1. an aluminum alloy plate materials for good heat-insulation effect, is characterized in that: its each element consists of by mass percentage: Ho0.6-0.8, Zr 0.3-0.5, Ti0.02-0.04, B0.015-0. 02, Mo0.2-0.4, RE 0.06-0.09, Si0.04-0.11, Fe0.13-0.24, Ta0.01-0.02, surplus are Al and impurity.
2. the aluminum alloy plate materials of a kind of good heat-insulation effect according to claim 1, is characterized in that: casting technique is:
(1), according to mass percent claimed in claim 1, get a certain amount of each pure metal ingot, by a certain amount of pure metal ingot melting at the temperature of 720-750 ℃ except titanium metal ingot, ferrous metal ingot, it is aluminum alloy melt, in 760-780 ℃ of holding furnace, add refining agent again, employing high-temperature alloy steel double leaf agitator stirs 13-15 minute with the speed of 35-55 rev/min, after finishing, stirring is warming up to 750-760 ℃ of standing insulation 10-15 minute, skim, sampling analysis after skimming, obtains aluminum alloy melt;
(2) according to mass percent claimed in claim 1, getting the melting at the temperature of 800-830 ℃ of a certain amount of titanium metal ingot, ferrous metal ingot is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical powdered alloy of particle diameter below 100 μ m, obtain powdered alloy;
(3) after step (1) gained aluminum alloy melt and step (2) gained powdered alloy are mixed according to mass percent claimed in claim 1, at the temperature of 830-840 ℃, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800-810 ℃ of holding furnace, carry out refining for the second time, employing high-temperature alloy steel double leaf agitator stirs 8-15 minute with the speed of 25-35 rev/min, after finishing, stirring is warming up to 780-790 ℃ of standing insulation 10-20 minute, skim, sampling analysis after skimming;
(4) the qualified melt of composition is covered standing after, then at 710-725 ℃, pour into a mould, obtain aluminium alloy strand, cooling after, 40-45 hour is processed in overaging at temperature 270-290 ℃, 400-410 ℃ after preheating 3-5 hour, be warming up to again 440-450 ℃ of preheating 2-4 hour, then be warming up to 470-480 ℃ of preheating 3-5 hour, then cool to 380-390 ℃, be incubated after 6-8 hour roll forming;
(5), rolling complete after 550-560 ℃ of salt bath process 40-60 minute;
(6) the aluminum alloy plate materials recrystallization annealing, after processing finally by described salt bath, obtains.
3. the aluminum alloy plate materials of a kind of good heat-insulation effect according to claim 2, is characterized in that: described refining agent is made by the raw material of following weight parts: calcium oxide 12-15, silicon-dioxide 3-4, potassium fluoroaluminate 1-2, SODIUMNITRATE 3-5, celestite powder 4-5, vermiculite power 1-2;
The preparation method of described refining agent is:
(1) in the acetic acid solution that is 10-15% by celestite powder, vermiculite power in concentration, steep while stirring after 1-3 hour, refilter, with deionized water, clean, dry, grind to form nanometer powder;
(2) will except celestite powder, vermiculite power after all the other raw material blendings, pulverize and add again step (1) gained nanometer powder, after stirring, obtain.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410139773.8A CN103966482A (en) | 2014-04-09 | 2014-04-09 | Aluminum alloy plate with good heat insulation effect |
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| CN201410139773.8A CN103966482A (en) | 2014-04-09 | 2014-04-09 | Aluminum alloy plate with good heat insulation effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926297A (en) * | 2020-09-22 | 2020-11-13 | 爱发科电子材料（苏州）有限公司 | Manufacturing method of aluminum and aluminum alloy target blank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978451A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Ta-RE aluminum alloy, and preparation method and power cable thereof |
| CN102978463A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof |
| US20130306714A1 (en) * | 2011-01-31 | 2013-11-21 | Aleris Rolled Products Germany Gmbh | Aluminium brazing sheet material for fluxless brazing |
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2014
- 2014-04-09 CN CN201410139773.8A patent/CN103966482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130306714A1 (en) * | 2011-01-31 | 2013-11-21 | Aleris Rolled Products Germany Gmbh | Aluminium brazing sheet material for fluxless brazing |
| CN102978451A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Ta-RE aluminum alloy, and preparation method and power cable thereof |
| CN102978463A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof |
Non-Patent Citations (1)
| Title |
|---|
| 史春元等: "《异种金属的焊接》", 31 May 2012, article "钢（不锈钢）与钛及钛合金的焊接性", pages: 222 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926297A (en) * | 2020-09-22 | 2020-11-13 | 爱发科电子材料（苏州）有限公司 | Manufacturing method of aluminum and aluminum alloy target blank |
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Application publication date: 20140806 |