CN106191488A - A kind of can the preparation method of anodic oxidation pack alloy - Google Patents
A kind of can the preparation method of anodic oxidation pack alloy Download PDFInfo
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- CN106191488A CN106191488A CN201610859177.6A CN201610859177A CN106191488A CN 106191488 A CN106191488 A CN 106191488A CN 201610859177 A CN201610859177 A CN 201610859177A CN 106191488 A CN106191488 A CN 106191488A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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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
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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Abstract
The invention discloses a kind of can the preparation method of anodic oxidation pack alloy, comprise the steps: aluminium ingot puts into smelting furnace fusing, and when being warming up to 880 DEG C 900 DEG C, put into chalybeate and manganese agent；Molten metal is repeatedly stirred, stands after stirring every time；Magnesium and zinc are put into molten metal fusing, and stirs molten metal；Add refining agent carry out refine when the temperature of alloy molten solution is at 780 DEG C-800 DEG C and removes the gred；It is sufficiently stirred for rear sample examination；It is passed through nitrogen degasification to liquation；If the composition of chemical examination is in the range of setting, in molten metal, adds alterant, stir and stand；Casting, when casting, molten metal temperature is maintained at 780 DEG C 800 DEG C.Present invention solves the technical problem that and be to overcome existing pack alloy to cannot be carried out anodised shortcoming, it is provided that a kind of can the preparation method of anodic oxidation pack alloy.
Description
Technical field
The present invention relates to field of aluminum alloys.Be specially a kind of can the preparation method of anodic oxidation pack alloy.
Background technology
Aluminium alloy is the metal material being widely used in each field, in order to enable aluminum alloy to more corrosion-resistant and enable aluminum alloy to zero
Part is painted, it will usually is put by aluminium alloy and carries out anodic oxidation in the electrolytic solution, thus forms layer oxide film on its surface, to protect
Protect aluminium alloy and improve the hardness of aluminium alloy.But, conventional diecasting alloys such as alusil alloy, aluminium copper and almag are
Cannot be carried out anode oxidation coloration.In pack alloy, it is generally the case that the most a height of 6%-12% of content of silicon, copper
Content is the highest.And the silicon of high-load can make oxide-film graying, copper can make oxide-film blushing, and can destroy electrolyte matter
Amount.The too high speckle that also can make to produce black on oxide-film of iron content in alloy.Therefore, existing pack alloy due to
The reason of its composition cannot be carried out anodic oxidation.
Summary of the invention
Present invention solves the technical problem that and be to overcome existing pack alloy to cannot be carried out anodised shortcoming, carry
For a kind of can the preparation method of anodic oxidation pack alloy.
The present invention can the preparation method of anodic oxidation pack alloy, comprise the steps:
(1) composition carrying out proportioning, wherein, the content of silicon is less than or equal to 0.6%, and the content of ferrum is 0.8%-
1.8%, the content of copper is less than or equal to 1%, and the content of manganese is 1.7%-3.3%, and the content of magnesium is less than or equal to 0.7%,
The content of zinc is less than or equal to 3.5%, and the content of lead is less than or equal to 0.1%, and the content of stannum is less than or equal to 0.2%, cadmium
Content is less than or equal to 0.01%, and the content of the most each composition is all for the ratio calculated according to weight；
(2) clear up and the impurity that removes in smelting furnace, aluminium ingot put into smelting furnace fusing, molten metal be warming up to 880 DEG C-
When 900 DEG C, put into chalybeate and manganese agent；
(3) molten metal is repeatedly stirred, stand after stirring every time；
(4) magnesium and zinc are put into molten metal fusing, and stir molten metal and make magnesium and zinc fully melt；
(5) add sodium-free refining agent when the temperature of alloy molten solution is at 780 DEG C-800 DEG C carry out refine and remove the gred；
(6) it is sufficiently stirred for rear sample examination；
(7) it is passed through nitrogen degasification to liquation；
(8) if the component content of chemical examination is in the range of setting, adding alterant in molten metal, alterant accounts for all
The proportion of composition is 2.3%-2.7%, stirs and stands after adding alterant；
(9) casting, when casting, molten metal temperature is maintained at 780 DEG C-800 DEG C.
As preferably, in step (3), the time repeatedly stirred molten metal and stand is altogether no less than 60 points
Clock.
As preferably, in step (7), lead to the time of nitrogen no less than 20 minutes to liquation.
As preferably, in step (8), it is 2.3%-2.7% that alterant accounts for the proportion of all the components.
The present invention can the preparation method prior art of anodic oxidation pack alloy compare, and has the advantages that
By the present invention provide can anodic oxidation pack alloy preparation method obtain can anodic oxidation die casting aluminium
Alloy has good anodic oxidation effect, the most also has good corrosion resistance.Its liquidus temperature 656 DEG C, solid-state temperature
It it is 651 DEG C.Under solid state shape, can the tensile strength of anodic oxidation pack alloy be 150MPa, percentage elongation be 5%, hardness
For 54HB, comprcssive strength is 340MPa, and electrical conductivity is 27%IACS, and pyroconductivity is 114W/m DEG C, and processing characteristics and die casting are special
Property is outstanding.This can carry out natural colour anodic oxidation and hard anodizing by anodic oxidation pack alloy, and being especially suitable for should
For the shell class higher to requirement of strength, structural member, decoration etc..
Detailed description of the invention
Introduced below can the present invention can the preparation method of anodic oxidation pack alloy, comprise the steps:
(1) composition carrying out proportioning, wherein, the content of silicon is less than or equal to 0.6%, and the content of ferrum is 0.8%-
1.8%, the content of copper is less than or equal to 1%, and the content of manganese is 1.7%-3.3%, and the content of magnesium is less than or equal to 0.7%,
The content of zinc is less than or equal to 3.5%, and the content of lead is less than or equal to 0.1%, and the content of stannum is less than or equal to 0.2%, cadmium
Content is less than or equal to 0.01%, and the content of the most each composition is all for the ratio calculated according to weight；
(2) clear up and the impurity that removes in smelting furnace, aluminium ingot put into smelting furnace fusing, molten metal be warming up to 880 DEG C-
When 900 DEG C, put into chalybeate and manganese agent；
(3) molten metal is repeatedly stirred, stand after stirring every time；
(4) magnesium and zinc are put into molten metal fusing, and stir molten metal；
(5) add refining agent when the temperature of alloy molten solution is at 780 DEG C-800 DEG C carry out refine and remove the gred；
(6) it is sufficiently stirred for rear sample examination；
(7) it is passed through nitrogen degasification to liquation；
(8) if the component content of chemical examination is in the range of setting, adding alterant in molten metal, alterant accounts for all
The proportion of composition is 2.3%-2.7%, stirs and stands after adding alterant；
(9) casting, when casting, molten metal temperature is maintained at 780 DEG C-800 DEG C.
As preferably, in step (3), the time repeatedly stirred molten metal and stand is altogether no less than 60 points
Clock.In step (7), lead to the time of nitrogen no less than 20 minutes to liquation.In step (8), alterant accounts for all the components
Proportion is 2.3%-2.7%, is 2.5% in the present embodiment.In the present embodiment, the composition of the chemical examination described in step (8)
In the range of setting, refer to that the content of composition meets the proportioning in step (1).
By the present invention provide can the preparation method of anodic oxidation pack alloy obtain one can anodic oxidation pressure
Cast aluminium alloy, the content of its silicon be less than or equal to 0.6%, the content of ferrum is 0.8%-1.8%, the content of copper less than or etc.
In 1%, the content of manganese is 1.7%-3.3%, and the content of magnesium is less than or equal to 0.7%, and the content of zinc is less than or equal to 3.5%,
The content of lead is less than or equal to 0.1%, and the content of stannum is less than or equal to 0.2%, and the content of cadmium is less than or equal to 0.01%, wherein
The content of each composition is all for the ratio calculated according to weight.In step (1), shared by the composition specified and each composition
Proportion carry out proportioning, refer to that composition and content thereof meet the description of this section.
In the first preferred version, the content of silicon is 0.5%-0.6%, and the content of ferrum is 1.6%-1.8%, containing of copper
Amount can be 0.6%-0.9%, and the content of manganese is 2.5%-3.0%, and the content of magnesium is 0.5%-0.7%, and the content of zinc is
2.5%-2.9%, the content of lead is 0.04%-0.07%, and the content of stannum is 0.08%-0.15%, and the content of cadmium is 0.005-
0.008%.
In the second preferred version, the content of silicon is 0.3%-0.6%, and the content of ferrum is 0.9%-1.2%, containing of copper
Amount is 0.5%-0.7%, and the content of manganese is 1.7%-2.0%, and the content of magnesium is 0.2%-0.3%, and the content of zinc is 3.0%-
3.4%, the content of lead is 0.02%-0.03%, and the content of stannum is 0.02%-0.03%, and the content of cadmium is 0.004%-
0.006%.
In the third preferred version, the content of silicon is 0.25%-0.38%, and the content of ferrum is 1.3%-1.5%, copper
Content is 0.7%-0.95%, and the content of manganese is 3.0%-3.3%, and the content of magnesium is 0.4%-0.6%, and the content of zinc is
2.0%-2.4%, the content of lead is 0.06%-0.08%, and the content of stannum is 0.15%-0.18%, and the content of cadmium is
0.007%-0.009%.
In the 4th kind of preferred version, the content of silicon is 0.5%-0.58%, and the content of ferrum is 1.4%-1.7%, copper
Content is 0.3%-0.4%, and the content of manganese is 2.1%-2.4%, and the content of magnesium is 0.25%-0.35%, the content of zinc
1.5%-1.9%, the content of lead is 0.02%-0.05%, and the content of stannum is 0.1%-0.15%, and the content of cadmium is 0.002%-
0.003%.
Through test of many times, by the present invention can the preparation method of anodic oxidation pack alloy obtain above-mentioned can sun
Pole oxidation pack alloy has good anodic oxidation effect, the most also has good corrosion resistance.Its liquidus temperature 656
DEG C, solid-state temperature is 651 DEG C.Under solid state shape, can the tensile strength of anodic oxidation pack alloy be 150MPa, percentage elongation
Being 5%, hardness is 54HB, and comprcssive strength is 340MPa, electrical conductivity 27%IACS, pyroconductivity 114W/m DEG C, processing characteristics and
Die casting characteristic is outstanding.This can carry out natural colour anodic oxidation and hard anodizing, very by anodic oxidation pack alloy
It is suitably applied the higher shell class of requirement of strength, structural member, decoration etc..
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art are in the essence and protection domain of the present invention, and that makes the present invention is various
Amendment or equivalent are also within the scope of the present invention.
Claims (4)
1. one kind can the preparation method of anodic oxidation pack alloy, it is characterised in that comprise the steps:
(1) composition carrying out proportioning, wherein, the content of silicon is less than or equal to 0.6%, and the content of ferrum is 0.8%-1.8%, copper
Content less than or equal to 1%, the content of manganese is 1.7%-3.3%, and the content of magnesium is less than or equal to 0.7%, the content of zinc
Less than or equal to 3.5%, the content of lead is less than or equal to 0.1%, and the content of stannum is less than or equal to 0.2%, and the content of cadmium is less than
Or equal to 0.01%, the content of the most each composition is all for the ratio calculated according to weight；
(2) clear up and the impurity that removes in smelting furnace, aluminium ingot is put into smelting furnace fusing, is warming up to 880 DEG C-900 DEG C at molten metal
Time, put into chalybeate and manganese agent；
(3) molten metal is repeatedly stirred, stand after stirring every time；
(4) magnesium and zinc are put into molten metal fusing, and stir molten metal and make magnesium and zinc fully melt；
(5) add sodium-free refining agent when the temperature of alloy molten solution is at 780 DEG C-800 DEG C carry out refine and remove the gred；
(6) it is sufficiently stirred for rear sample examination；
(7) it is passed through nitrogen degasification to liquation；
(8) if the component content of chemical examination is in the range of setting, adding alterant in molten metal, alterant accounts for all the components
Proportion be 2.3%-2.7%, add after alterant and stir and stand；
(9) casting, when casting, molten metal temperature is maintained at 780 DEG C-800 DEG C.
The most according to claim 1 can the preparation method of anodic oxidation pack alloy, it is characterised in that in step (3)
In, the time repeatedly stirred molten metal and stand is altogether no less than 60 minutes.
The most according to claim 1 can the preparation method of anodic oxidation pack alloy, it is characterised in that in step (7)
In, lead to the time of nitrogen no less than 20 minutes to liquation.
The most according to claim 1 can the preparation method of anodic oxidation pack alloy, it is characterised in that in step (8)
In, it is 2.5% that alterant accounts for the proportion of all the components.
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| CN201610859177.6A CN106191488B (en) | 2016-09-27 | 2016-09-27 | It is a kind of can anodic oxidation pack alloy preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048679A (en) * | 2017-12-28 | 2018-05-18 | 常熟理工学院 | A kind of preparation method for the high Fe contents aluminium alloy for refining richness Fe precipitated phases |
| CN108103330A (en) * | 2017-12-18 | 2018-06-01 | 广州致远新材料科技有限公司 | A kind of preparation method of die-cast aluminum alloy material |
| CN113355542A (en) * | 2021-05-21 | 2021-09-07 | 江苏立中新材料科技有限公司 | Preparation method of high-purity aluminum alloy liquid |
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| CN103834834A (en) * | 2014-03-12 | 2014-06-04 | 苏州凯宥电子科技有限公司 | Anode-oxidable high-performance die-casting aluminum alloy and preparation method thereof |
| CN105063431A (en) * | 2015-07-31 | 2015-11-18 | 广东欧珀移动通信有限公司 | Die-casting aluminum, structural part and electronic device |
| CN105112737A (en) * | 2015-09-08 | 2015-12-02 | 苏州慧驰轻合金精密成型科技有限公司 | High-heat-conductivity corrosion-resistant die-cast aluminum alloy and preparing technique thereof |
| CN105420561A (en) * | 2015-12-11 | 2016-03-23 | 天津爱田汽车部件有限公司 | High-strength die-cast aluminum alloy |
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2016
- 2016-09-27 CN CN201610859177.6A patent/CN106191488B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103834834A (en) * | 2014-03-12 | 2014-06-04 | 苏州凯宥电子科技有限公司 | Anode-oxidable high-performance die-casting aluminum alloy and preparation method thereof |
| CN105063431A (en) * | 2015-07-31 | 2015-11-18 | 广东欧珀移动通信有限公司 | Die-casting aluminum, structural part and electronic device |
| CN105112737A (en) * | 2015-09-08 | 2015-12-02 | 苏州慧驰轻合金精密成型科技有限公司 | High-heat-conductivity corrosion-resistant die-cast aluminum alloy and preparing technique thereof |
| CN105420561A (en) * | 2015-12-11 | 2016-03-23 | 天津爱田汽车部件有限公司 | High-strength die-cast aluminum alloy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103330A (en) * | 2017-12-18 | 2018-06-01 | 广州致远新材料科技有限公司 | A kind of preparation method of die-cast aluminum alloy material |
| CN108048679A (en) * | 2017-12-28 | 2018-05-18 | 常熟理工学院 | A kind of preparation method for the high Fe contents aluminium alloy for refining richness Fe precipitated phases |
| CN113355542A (en) * | 2021-05-21 | 2021-09-07 | 江苏立中新材料科技有限公司 | Preparation method of high-purity aluminum alloy liquid |
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| CN106191488B (en) | 2019-02-01 |
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