CN103966492B - A kind of high-strength vehicle aluminum alloy plate materials - Google Patents
A kind of high-strength vehicle aluminum alloy plate materials Download PDFInfo
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Abstract
The invention discloses a kind of high-strength vehicle aluminum alloy plate materials, does its each element consist of by mass percentage: Zn0.1-0.2, Mg0.1-0.2, Cu0.2-0.4, Ti0.05-0.08, Th0.04-0.06, Mo0.05-0.15, La0.02-0.04, Sb0.01-0.02, Sc0.04-0.05, Li? 0.1-0.2, Mn0.3-0.4, surplus are Al and impurity. Composition of the present invention is reasonable, and technique is special, and gained intensity of aluminum alloy is high, wearability good, be easy to processing.
Description
Technical field
The present invention relates to field of aluminum alloys, is exactly a kind of high-strength vehicle aluminum alloy plate materials.
Background technology
Aluminium alloy is a most widely used class non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machine-building, boats and ships and chemical industry, widely applies.
Birmasil has good casting character. Can select suitable alloy and suitable casting method according to requirement and the economic benefit of the each side such as application target, part shape, dimensional accuracy, quantity, quality standard, mechanical performance. Birmasil is mainly used in the non-engine components such as cast engine cylinder, clutch housing, rear axle housing, steering gear housing, speed changer, valve actuating mechanism, lubricating oil pump, water pump, rocker arm cover, wheel, engine frame, caliper, oil cylinder and brake disc.
Summary of the invention
The object of the present invention is to provide a kind of high-strength vehicle aluminum alloy plate materials.
Above-mentioned purpose realizes by following scheme:
A kind of high-strength vehicle aluminum alloy plate materials, is characterized in that: its each element consists of by mass percentage: Zn0.1-0.2, Mg0.1-0.2, Cu0.2-0.4, Ti0.05-0.08, Th0.04-0.06, Mo0.05-0.15, La0.02-0.04, Sb0.01-0.02, Sc0.04-0.05, Li0.1-0.2, Mn0.3-0.4, surplus are Al and impurity.
Described a kind of high-strength vehicle aluminum alloy plate materials, is characterized in that: casting technique is:
(1), get a certain amount of each simple metal ingot according to mass percent claimed in claim 1, by demagging ingot, a certain amount of simple metal ingot melting at the temperature of 820-940 DEG C outside copper ingot is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, adopt high-temperature alloy steel double leaf agitator to stir 15-20 minute with the speed of 25-35 rev/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 10-20 minute, skim, sample analysis after skimming, after melt qualified composition is poured in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain alloy powder,
(2) getting the melting at the temperature of 830-880 DEG C of a certain amount of magnesium ingot, copper ingot according to mass percent claimed in claim 1 is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain magnesium copper alloy powder;
(3) after step (1) gained alloy powder and step (2) gained magnesium copper alloy powder are mixed according to mass percent claimed in claim 1, at the temperature of 850-950 DEG C, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, carry out refining for the second time, adopt high-temperature alloy steel double leaf agitator to stir 8-10 minute with the speed of 35-40 rev/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 15-25 minute, skim, sample analysis after skimming;
(4) after melt covering qualified composition is left standstill, according to the aluminum alloy plate materials of common process casting;
(5) aluminum alloy plate materials of gained casting is soaked to 20-30 minute in boiling water, after taking-up, dry in the shade, at subzero 15-0 DEG C of insulation 30-50 minute; And then in the subzero 35 DEG C of insulation 15-25 minute of subzero 30-, again to subzero 70 DEG C-subzero 80 DEG C, insulation 30-40 minute, then be warming up to subzero 70 DEG C of subzero 60-, insulation 30-40 minute, be warming up to again subzero 20 DEG C of subzero 10-, be incubated after 10-20 minute, Al alloy parts is proposed to deep cooling cabinet, be placed in air and naturally rise again to room temperature, place 1-2 hour, to obtain final product.
Described a kind of high-strength vehicle aluminum alloy plate materials, is characterized in that: described refining agent is made by the raw material of following weight parts: aluminium scrap powder 6-10, magnesia 5-10, potassium sulfate 1-2, sodium chloride 1-2, lithium chloride 3-5, sodium chloride 1-2, potash 3-4, attapulgite 2-4, jade 3-5;
The preparation method of described refining agent is:
(1) will attapulgite, at 900-950 DEG C, dodge after the rear 100-200 of mistake of jade fragmentation mesh sieve and burn 8-10 second, take out cooling after, in the hydrochloric acid solution that is 10-15% in concentration, steep while stirring after 20-30 minute, refilter, clean by deionized water, dry, grind to form sub-micron powder;
(2) will, except attapulgite, jade after all the other raw material blendings, pulverize and add again step (1) gained sub-micron powder, after stirring, to obtain final product.
Beneficial effect of the present invention is: composition of the present invention is reasonable, and technique is special, and gained intensity of aluminum alloy is high, wearability good, be easy to processing.
Detailed description of the invention
A kind of high-strength vehicle aluminum alloy plate materials, its each element consists of by mass percentage: Zn0.2, Mg0.1, Cu0.2, Ti0.05, Th0.06, Mo0.08, La0.02, Sb0.01, Sc0.05, Li0.2, Mn0.4, surplus are Al and impurity.
Described a kind of high-strength vehicle aluminum alloy plate materials, casting technique is:
(1), get a certain amount of each simple metal ingot according to mass percent claimed in claim 1, by demagging ingot, a certain amount of simple metal ingot melting at the temperature of 940 DEG C outside copper ingot is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, adopt high-temperature alloy steel double leaf agitator to stir 20 minutes with the speed of 35 revs/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 20 minutes, skim, sample analysis after skimming, after melt qualified composition is poured in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain alloy powder,
(2) getting the melting at the temperature of 830 DEG C of a certain amount of magnesium ingot, copper ingot according to mass percent claimed in claim 1 is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain magnesium copper alloy powder;
(3) after step (1) gained alloy powder and step (2) gained magnesium copper alloy powder are mixed according to mass percent claimed in claim 1, at the temperature of 900 DEG C, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, carry out refining for the second time, adopt high-temperature alloy steel double leaf agitator to stir 10 minutes with the speed of 40 revs/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 25 minutes, skim, sample analysis after skimming;
(4) after melt covering qualified composition is left standstill, according to the aluminum alloy plate materials of common process casting;
(5) aluminum alloy plate materials of gained casting is soaked 30 minutes in boiling water, after taking-up, dry in the shade, subzero 10 DEG C of insulations 50 minutes; And then in subzero 35 DEG C of insulations 15 minutes, then to subzero 80 DEG C, be incubated 40 minutes, then be warming up to subzero 70 DEG C, be incubated 35 minutes, then be warming up to subzero 20 DEG C, be incubated after 20 minutes, Al alloy parts is proposed to deep cooling cabinet, be placed in air and naturally rise again to room temperature, place 2 hours, to obtain final product.
Described refining agent is made by the raw material of following weight kg: aluminium scrap powder 10, magnesia 10, potassium sulfate 2, barium sulfate 4, lithium chloride 3, sodium chloride 2, potash 4, attapulgite 2, jade 5;
The preparation method of described refining agent is:
(1) will be after attapulgite, rear mistake 200 mesh sieves of jade fragmentation at 900 DEG C, dodge and burn 8 seconds, take out cooling after, in the hydrochloric acid solution that is 15% in concentration, steep while stirring after 20 minutes, refilter, clean by deionized water, dry, grind to form sub-micron powder;
(2) will, except attapulgite, jade after all the other raw material blendings, pulverize and add again step (1) gained sub-micron powder, after stirring, to obtain final product.
The aluminium alloy making is through inspection, and its main performance is: tensile strength 447pa, shearing strength 266MPa, percentage elongation 12.3%.
Claims (3)
1. a high-strength vehicle aluminum alloy plate materials, is characterized in that: its each element consists of by mass percentage: Zn0.1-0.2, Mg0.1-0.2, Cu0.2-0.4, Ti0.05-0.08, Th0.04-0.06, Mo0.05-0.15, La0.02-0.04, Sb0.01-0.02, Sc0.04-0.05, Li0.1-0.2, Mn0.3-0.4, surplus are Al and impurity.
2. a kind of high-strength vehicle aluminum alloy plate materials according to claim 1, is characterized in that: casting technique is:
(1), get a certain amount of each simple metal ingot according to mass percent claimed in claim 1, by demagging ingot, a certain amount of simple metal ingot melting at the temperature of 820-940 DEG C outside copper ingot is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, adopt high-temperature alloy steel double leaf agitator to stir 15-20 minute with the speed of 25-35 rev/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 10-20 minute, skim, sample analysis after skimming, after melt qualified composition is poured in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain alloy powder,
(2) getting the melting at the temperature of 830-880 DEG C of a certain amount of magnesium ingot, copper ingot according to mass percent claimed in claim 1 is aluminium alloy, melt pours in powder by gas-atomization equipment, adopt gas atomization method that proportioning material is prepared into the spherical alloy powder of particle diameter below 100 μ m, obtain magnesium copper alloy powder;
(3) after step (1) gained alloy powder and step (2) gained magnesium copper alloy powder are mixed according to mass percent claimed in claim 1, at the temperature of 850-950 DEG C, melting is aluminum alloy melt, again the molten metal after melting is added in proportion to refining agent in 800 DEG C of holding furnaces, carry out refining for the second time, adopt high-temperature alloy steel double leaf agitator to stir 8-10 minute with the speed of 35-40 rev/min, after stirring finishes, be warming up to 830 DEG C and leave standstill insulation 15-25 minute, skim, sample analysis after skimming;
(4), after melt covering qualified composition is left standstill, be cast as the aluminum alloy plate materials of moulding according to common process;
(5) aluminum alloy plate materials of gained casting is soaked to 20-30 minute in boiling water, after taking-up, dry in the shade, at subzero 15-0 DEG C of insulation 30-50 minute; And then in the subzero 35 DEG C of insulation 15-25 minute of subzero 30-, again to subzero 70 DEG C-subzero 80 DEG C, insulation 30-40 minute, then be warming up to subzero 60 DEG C, insulation 30-40 minute, be warming up to again subzero 20 DEG C of subzero 10-, be incubated after 10-20 minute, Al alloy parts is proposed to deep cooling cabinet, be placed in air and naturally rise again to room temperature, place 1-2 hour, to obtain final product.
3. a kind of high-strength vehicle aluminum alloy plate materials according to claim 2, is characterized in that: described refining agent is made by the raw material of following weight parts: aluminium scrap powder 6-10, magnesia 5-10, potassium sulfate 1-2, sodium chloride 1-2, lithium chloride 3-5, sodium chloride 1-2, potash 3-4, attapulgite 2-4, jade 3-5;
The preparation method of described refining agent is:
(1) will attapulgite, at 900-950 DEG C, dodge after the rear 100-200 of mistake of jade fragmentation mesh sieve and burn 8-10 second, take out cooling after, in the hydrochloric acid solution that is 10-15% in concentration, steep while stirring after 20-30 minute, refilter, clean by deionized water, dry, grind to form sub-micron powder;
(2) will, except attapulgite, jade after all the other raw material blendings, pulverize and add again step (1) gained sub-micron powder, after stirring, to obtain final product.
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| CN105238942A (en) * | 2015-10-15 | 2016-01-13 | 郭进标 | Thorium doped aluminum alloy and preparation method thereof |
| CN107012369A (en) * | 2017-04-07 | 2017-08-04 | 安徽省宁国市万得福汽车零部件有限公司 | A kind of wear-resisting subframe screw lagging material and production method |
| CN109666825A (en) * | 2018-12-26 | 2019-04-23 | 安徽宏宇铝业有限公司 | A kind of anti-extrusion high-speed rail heat-insulation aluminum section |
| CN109439934A (en) * | 2018-12-26 | 2019-03-08 | 安徽宏宇铝业有限公司 | A kind of high-speed railway rail corrosion-resisting aluminium profile and its processing method |
| CN109628806A (en) * | 2018-12-26 | 2019-04-16 | 安徽宏宇铝业有限公司 | A kind of automobile pipeline bacterioistatic aluminium alloy and its processing method |
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| CN101880801A (en) * | 2010-06-13 | 2010-11-10 | 东北大学 | Aluminum alloy for automobile body of automobile and plate manufacturing method thereof |
| CN103347643A (en) * | 2011-01-31 | 2013-10-09 | 爱励轧制产品德国有限责任公司 | Aluminium brazing sheet material for fluxless brazing |
| CN103695727A (en) * | 2013-12-27 | 2014-04-02 | 安徽欣意电缆有限公司 | Al-Fe-Cu-V-Ag aluminum alloy, preparation method thereof and aluminum alloy cable |
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| WO2009059592A2 (en) * | 2007-11-08 | 2009-05-14 | Ksm Castings Gmbh | Front axle carrier for motor vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101880801A (en) * | 2010-06-13 | 2010-11-10 | 东北大学 | Aluminum alloy for automobile body of automobile and plate manufacturing method thereof |
| CN103347643A (en) * | 2011-01-31 | 2013-10-09 | 爱励轧制产品德国有限责任公司 | Aluminium brazing sheet material for fluxless brazing |
| CN103695727A (en) * | 2013-12-27 | 2014-04-02 | 安徽欣意电缆有限公司 | Al-Fe-Cu-V-Ag aluminum alloy, preparation method thereof and aluminum alloy cable |
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Denomination of invention: A high strength aluminum alloy plate for automobile Effective date of registration: 20211125 Granted publication date: 20160525 Pledgee: Hanshan Tongda Financing Guarantee Co.,Ltd. Pledgor: SILVER ANHUI FOUNDRY CO.,LTD. Registration number: Y2021980013314 |
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