CN104561687A - Aluminum alloy with stable performance and production technology thereof - Google Patents

Aluminum alloy with stable performance and production technology thereof Download PDF

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Publication number
CN104561687A
CN104561687A CN201410847066.4A CN201410847066A CN104561687A CN 104561687 A CN104561687 A CN 104561687A CN 201410847066 A CN201410847066 A CN 201410847066A CN 104561687 A CN104561687 A CN 104561687A
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CN
China
Prior art keywords
refining
stability
aluminium alloy
mixing liquid
melting mixing
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CN201410847066.4A
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Chinese (zh)
Inventor
何旭坤
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TOKEN ALUMINUM PRODUCTS CO Ltd
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TOKEN ALUMINUM PRODUCTS CO Ltd
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Priority to CN201410847066.4A priority Critical patent/CN104561687A/en
Publication of CN104561687A publication Critical patent/CN104561687A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/02Making alloys by melting
    • C22C1/026Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/06Making alloys with the use of special agents for refining or deoxidising
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent

Abstract

The invention relates to the technical field of deep processing of aluminum alloy materials with stable performance, in particular to aluminum alloy with stable performance and a production technology thereof. The aluminum alloy comprises the following components in percentage by weight: 0.8-1.0 percent of silicon, 0.35-0.45 percent of Fe, 0.45-0.55 percent of copper, 0.55-0.7 percent of magnesium, 0.15-0.25 percent of manganese, 0.15-0.25 percent of zinc and the balance of aluminum. No obvious residual marks appear on a product produced by the aluminum alloy disclosed by the invention after the product is extruded and straightened, so that the quality and the yield of the product are improved.

Description

A kind of aluminium alloy and production technique thereof possessing stability
Technical field
The present invention relates to the aluminum alloy materials deep process technology field possessing stability, be specifically related to a kind of aluminium alloy and the production technique thereof that possess stability.
Background technology
Possess the wall thickness of the aluminium alloy extrusions of stability consistent time, the flow possessing the aluminium alloy of stability is substantially consistent.When the wall thickness of section bar is extremely inconsistent, the flow possessing the aluminium alloy of stability produced is extremely inconsistent, can cause product as the back of a bow, when aligning product, the hunchbacked face of product there will be surplus amount folding line, causes a large amount of waste product.In prior art, on lamp decoration and the aluminum alloy heat sink possessing stability of angle-style, complete extruding and after aligning, still often occurring the folding line of obvious surplus amount, thus greatly reduce quality and the yield rate of product.
Summary of the invention
An object of the present invention is for the deficiencies in the prior art, provides a kind of product completing extruding and there will not be the aluminium alloy possessing stability of the folding line of obvious surplus amount after aligning.
Two of object of the present invention is for the deficiencies in the prior art, provides a kind of product completing extruding and there will not be the production technique possessing the aluminium alloy of stability of the folding line of obvious surplus amount after aligning.
One of to achieve these goals, the present invention adopts following technical scheme:
There is provided a kind of aluminium alloy possessing stability, it comprises the component of following weight percent:
Silicon 0.8% ~ 1.0%
Iron 0.35% ~ 0.45%
Copper 0.45% ~ 0.55%
Magnesium 0.55% ~ 0.7%
Manganese 0.15% ~ 0.25%
Zinc 0.15% ~ 0.25%
All the other are aluminium.
Preferably, a kind of aluminium alloy possessing stability, it comprises the component of following weight percent:
Silicon 0.9%
Iron 0.4%
Copper 0.5%
Magnesium 0.6%
Manganese 0.2%
Zinc 0.2%
All the other are aluminium.
To achieve these goals two, the present invention adopts following technical scheme:
There is provided a kind of production technique possessing the aluminium alloy of stability, it comprises the following steps:
Step one, low-temperature prewarming: the aluminium and the silicon that drop into formula ratio in baker, first carries out low-temperature prewarming;
Step 2, high-temperature fusion: drop into the iron of formula ratio, copper, magnesium, manganese and zinc in the baker of step one, obtain melting mixing liquid after carrying out high-temperature fusion;
Step 3, nitrogen refining: pass into nitrogen and carry out refining degasification in the melting mixing liquid that step 2 obtains, obtain refine molten mixed solution;
Step 4, first time chemical examination: first time chemical examination is carried out to detect degassing effect to the refine molten mixed solution that step 3 obtains;
Step 5, leaves standstill: leave standstill certain hour to the refine molten mixed solution of step 4;
Step 6, nitrogen secondary refining: the refine molten mixed solution after leaving standstill step 5 carries out second time nitrogen refining degasification, obtains secondary refining melting mixing liquid;
Step 7, second time chemical examination: second time chemical examination is carried out to detect degassing effect to the secondary refining melting mixing liquid that step 6 obtains;
Step 8, leaves standstill: leave standstill certain hour to the secondary refining melting mixing liquid of step 7;
Step 9, ceramic filter: the secondary refining melting mixing liquid after leaving standstill step 8 utilizes pottery to filter to remove impurity, obtains impurity elimination fused solution;
Step 10, casting: the impurity elimination fused solution utilizing step 9 to obtain carries out casting the aluminium alloy possessing stability.
In technique scheme, in described step one, the temperature of described low-temperature prewarming is 150 DEG C ~ 200 DEG C.
In technique scheme, in described step 2, the temperature of carrying out high-temperature fusion is 650 DEG C ~ 700 DEG C.
In technique scheme, in described step 5,20 minutes ~ 30 minutes are left standstill to the refine molten mixed solution of step 4.
In technique scheme, in described step 8,20 minutes ~ 30 minutes are left standstill to the secondary refining melting mixing liquid of step 7.
Compared with prior art, beneficial effect is in the present invention:
(1) a kind of aluminium alloy possessing stability provided by the invention, because the content of silicon is moderate, the product produced with the aluminium alloy that this possesses stability completes extruding and there will not be the folding line of obvious surplus amount after aligning, thus substantially increases quality and the yield rate of product.
(2) a kind of production technique possessing the aluminium alloy of stability provided by the invention, the product produced with the prepared aluminium alloy possessing stability completes extruding and after aligning, there will not be the folding line of obvious surplus amount, thus substantially increases quality and the yield rate of product.
(3) a kind of production technique possessing the aluminium alloy of stability provided by the invention, have technique simple, production cost is low, can be applicable to scale operation.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment 1.
Possess an aluminium alloy for stability, it comprises the component of following weight:
Silicon 0.9 kg, iron 0.4 kg, copper 0.5 kg, magnesium 0.6 kg, manganese 0.2 kg, zinc 0.2kg, all the other are aluminium.
The above-mentioned production technique possessing the aluminium alloy of stability is as follows:
Step one, low-temperature prewarming: the aluminium and the silicon that drop into formula ratio in baker, advanced trip temperature is the low-temperature prewarming of 180 DEG C;
Step 2, high-temperature fusion: drop into the iron of formula ratio, copper, magnesium, manganese and zinc in the baker of step one, carrying out temperature is obtain melting mixing liquid after the high-temperature fusion of 680 DEG C;
Step 3, nitrogen refining: pass into nitrogen and carry out refining degasification in the melting mixing liquid that step 2 obtains, obtain refine molten mixed solution;
Step 4, first time chemical examination: first time chemical examination is carried out to detect degassing effect to the refine molten mixed solution that step 3 obtains;
Step 5, leaves standstill: leave standstill 25 minutes to the refine molten mixed solution of step 4;
Step 6, nitrogen secondary refining: the refine molten mixed solution after leaving standstill step 5 carries out second time nitrogen refining degasification, obtains secondary refining melting mixing liquid;
Step 7, second time chemical examination: second time chemical examination is carried out to detect degassing effect to the secondary refining melting mixing liquid that step 6 obtains;
Step 8, leaves standstill: leave standstill 25 minutes to the secondary refining melting mixing liquid of step 7;
Step 9, ceramic filter: the secondary refining melting mixing liquid after leaving standstill step 8 utilizes pottery to filter to remove impurity, obtains impurity elimination fused solution;
Step 10, casting: the impurity elimination fused solution utilizing step 9 to obtain carries out casting the aluminium alloy possessing stability.
The product produced with the aluminium alloy possessing stability prepared by the present embodiment completes extruding and there will not be the folding line of obvious surplus amount after aligning, thus substantially increases quality and the yield rate of product.
embodiment 2.
Silicon 0.8 kg, iron 0.35 kg, copper 0.45 kg, magnesium 0.55 kg, manganese 0.15 kg, zinc 0.15kg, all the other are aluminium.
The above-mentioned production technique possessing the aluminium alloy of stability is as follows:
Step one, low-temperature prewarming: the aluminium and the silicon that drop into formula ratio in baker, advanced trip temperature is the low-temperature prewarming of 150 DEG C;
Step 2, high-temperature fusion: drop into the iron of formula ratio, copper, magnesium, manganese and zinc in the baker of step one, carrying out temperature is obtain melting mixing liquid after the high-temperature fusion of 650 DEG C;
Step 3, nitrogen refining: pass into nitrogen and carry out refining degasification in the melting mixing liquid that step 2 obtains, obtain refine molten mixed solution;
Step 4, first time chemical examination: first time chemical examination is carried out to detect degassing effect to the refine molten mixed solution that step 3 obtains;
Step 5, leaves standstill: leave standstill 20 minutes to the refine molten mixed solution of step 4;
Step 6, nitrogen secondary refining: the refine molten mixed solution after leaving standstill step 5 carries out second time nitrogen refining degasification, obtains secondary refining melting mixing liquid;
Step 7, second time chemical examination: second time chemical examination is carried out to detect degassing effect to the secondary refining melting mixing liquid that step 6 obtains;
Step 8, leaves standstill: leave standstill 20 minutes to the secondary refining melting mixing liquid of step 7;
Step 9, ceramic filter: the secondary refining melting mixing liquid after leaving standstill step 8 utilizes pottery to filter to remove impurity, obtains impurity elimination fused solution;
Step 10, casting: the impurity elimination fused solution utilizing step 9 to obtain carries out casting the aluminium alloy possessing stability.
The product produced with the aluminium alloy possessing stability prepared by the present embodiment completes extruding and there will not be the folding line of obvious surplus amount after aligning, thus substantially increases quality and the yield rate of product.
embodiment 3.
Silicon 1.0 kg, iron 0.45 kg, copper 0.55 kg, magnesium 0.7 kg, manganese 0.25 kg, zinc 0.25kg, all the other are aluminium.
The above-mentioned production technique possessing the aluminium alloy of stability is as follows:
Step one, low-temperature prewarming: the aluminium and the silicon that drop into formula ratio in baker, advanced trip temperature is the low-temperature prewarming of 200 DEG C;
Step 2, high-temperature fusion: drop into the iron of formula ratio, copper, magnesium, manganese and zinc in the baker of step one, carrying out temperature is obtain melting mixing liquid after the high-temperature fusion of 700 DEG C;
Step 3, nitrogen refining: pass into nitrogen and carry out refining degasification in the melting mixing liquid that step 2 obtains, obtain refine molten mixed solution;
Step 4, first time chemical examination: first time chemical examination is carried out to detect degassing effect to the refine molten mixed solution that step 3 obtains;
Step 5, leaves standstill: leave standstill 30 minutes to the refine molten mixed solution of step 4;
Step 6, nitrogen secondary refining: the refine molten mixed solution after leaving standstill step 5 carries out second time nitrogen refining degasification, obtains secondary refining melting mixing liquid;
Step 7, second time chemical examination: second time chemical examination is carried out to detect degassing effect to the secondary refining melting mixing liquid that step 6 obtains;
Step 8, leaves standstill: leave standstill 30 minutes to the secondary refining melting mixing liquid of step 7;
Step 9, ceramic filter: the secondary refining melting mixing liquid after leaving standstill step 8 utilizes pottery to filter to remove impurity, obtains impurity elimination fused solution;
Step 10, casting: the impurity elimination fused solution utilizing step 9 to obtain carries out casting the aluminium alloy possessing stability.
The product produced with the aluminium alloy possessing stability prepared by the present embodiment completes extruding and there will not be the folding line of obvious surplus amount after aligning, thus substantially increases quality and the yield rate of product.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.

Claims (7)

1. possess an aluminium alloy for stability, it is characterized in that: it comprises the component of following weight percent:
Silicon 0.8% ~ 1.0%
Iron 0.35% ~ 0.45%
Copper 0.45% ~ 0.55%
Magnesium 0.55% ~ 0.7%
Manganese 0.15% ~ 0.25%
Zinc 0.15% ~ 0.25%
All the other are aluminium.
2. a kind of aluminium alloy possessing stability according to claim 1, is characterized in that: it comprises the component of following weight percent:
Silicon 0.9%
Iron 0.4%
Copper 0.5%
Magnesium 0.6%
Manganese 0.2%
Zinc 0.2%
All the other are aluminium.
3. a kind of production technique possessing the aluminium alloy of stability described in claim 1 to 2 any one, is characterized in that: it comprises the following steps:
Step one, low-temperature prewarming: the aluminium and the silicon that drop into formula ratio in baker, first carries out low-temperature prewarming;
Step 2, high-temperature fusion: drop into the iron of formula ratio, copper, magnesium, manganese and zinc in the baker of step one, obtain melting mixing liquid after carrying out high-temperature fusion;
Step 3, nitrogen refining: pass into nitrogen and carry out refining degasification in the melting mixing liquid that step 2 obtains, obtain refine molten mixed solution;
Step 4, first time chemical examination: first time chemical examination is carried out to detect degassing effect to the refine molten mixed solution that step 3 obtains;
Step 5, leaves standstill: leave standstill certain hour to the refine molten mixed solution of step 4;
Step 6, nitrogen secondary refining: the refine molten mixed solution after leaving standstill step 5 carries out second time nitrogen refining degasification, obtains secondary refining melting mixing liquid;
Step 7, second time chemical examination: second time chemical examination is carried out to detect degassing effect to the secondary refining melting mixing liquid that step 6 obtains;
Step 8, leaves standstill: leave standstill certain hour to the secondary refining melting mixing liquid of step 7;
Step 9, ceramic filter: the secondary refining melting mixing liquid after leaving standstill step 8 utilizes pottery to filter to remove impurity, obtains impurity elimination fused solution;
Step 10, casting: the impurity elimination fused solution utilizing step 9 to obtain carries out casting the aluminium alloy possessing stability.
4. a kind of production technique possessing the aluminium alloy of stability according to claim 3, is characterized in that: in described step one, and the temperature of described low-temperature prewarming is 150 DEG C ~ 200 DEG C.
5. a kind of production technique possessing the aluminium alloy of stability according to claim 3, is characterized in that: in described step 2, and the temperature of carrying out high-temperature fusion is 650 DEG C ~ 700 DEG C.
6. a kind of production technique possessing the aluminium alloy of stability according to claim 3, is characterized in that: in described step 5, leaves standstill 20 minutes ~ 30 minutes to the refine molten mixed solution of step 4.
7. a kind of production technique possessing the aluminium alloy of stability according to claim 3, is characterized in that: in described step 8, leaves standstill 20 minutes ~ 30 minutes to the secondary refining melting mixing liquid of step 7.
CN201410847066.4A 2014-12-31 2014-12-31 Aluminum alloy with stable performance and production technology thereof Pending CN104561687A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680190A (en) * 2019-01-31 2019-04-26 东莞市润华铝业有限公司 A kind of aluminum profile that can improve surface brightness and its preparation process

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CN104018036A (en) * 2014-06-26 2014-09-03 龙口市丛林铝材有限公司 Automobile part aluminum profile and preparation method thereof
CN104046859A (en) * 2014-06-26 2014-09-17 龙口市丛林铝材有限公司 Grain-refined extruded aluminum alloy tubular product with large wall thickness and preparation method thereof
CN104114726A (en) * 2012-02-16 2014-10-22 株式会社神户制钢所 Aluminum alloy sheet with excellent baking-paint curability

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CN104114726A (en) * 2012-02-16 2014-10-22 株式会社神户制钢所 Aluminum alloy sheet with excellent baking-paint curability
CN102676862A (en) * 2012-05-31 2012-09-19 无锡格莱德科技有限公司 Process for manufacturing aluminum alloy ingot
CN102873301A (en) * 2012-10-22 2013-01-16 中国船舶重工集团公司第七0七研究所 Counter-pressure casting process for ZL424 aluminum alloy castings
CN104018036A (en) * 2014-06-26 2014-09-03 龙口市丛林铝材有限公司 Automobile part aluminum profile and preparation method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680190A (en) * 2019-01-31 2019-04-26 东莞市润华铝业有限公司 A kind of aluminum profile that can improve surface brightness and its preparation process

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Application publication date: 20150429