CN102220586A - Aluminum alloy sacrificial anode used in deep marine environment and preparation method thereof - Google Patents
Aluminum alloy sacrificial anode used in deep marine environment and preparation method thereof Download PDFInfo
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- CN102220586A CN102220586A CN2011101428906A CN201110142890A CN102220586A CN 102220586 A CN102220586 A CN 102220586A CN 2011101428906 A CN2011101428906 A CN 2011101428906A CN 201110142890 A CN201110142890 A CN 201110142890A CN 102220586 A CN102220586 A CN 102220586A
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Abstract
The invention provides an aluminum alloy sacrificial anode used in deep marine environment and a preparation method thereof. The aluminum alloy sacrificial anode consists of 94-98 parts of aluminum by weight, 3-5 parts of zinc by weight, 0.04-0.06 part of indium by weight and 0.01-0.03 part of cadmium by weight. Compared with the aluminum alloy sacrificial anode produced by the implementation of GB4948-2002 Aluminum-Zinc-Indium System Alloy Sacrificial Anode, the aluminum alloy sacrificial anode used in deep marine environment is prolonged in service life, stable in working potential when applied in deep marine environment, uniform in dissolution morphology and high in current efficiency; and the preparation method is simple and suitable for the need of large-scale industrial production.
Description
Technical field
The present invention relates to a kind of sacrificial aluminium alloy anode and preparation method thereof, especially a kind of sacrificial aluminium alloy anode that is used for deep-marine-environment and preparation method thereof.
Background technology
The cathode protection method of sacrificial anode is a kind of method that prevents metallic corrosion; the metal that reductibility is stronger is as the protection utmost point; the formation that links to each other with protected metal galvanic cell; the metal that reductibility is stronger will consume as negative pole generation oxidizing reaction, and protected metal just can be avoided corrosion as positive pole.Sacrificed anode (negative pole of galvanic cell) because of this method and protected negative electrode, thereby be called sacrificial anode (negative electrode of galvanic cell) protection method, the original paper that is consumed then becomes sacrificial anode.
The application of sacrificial anode is very extensive, and for example sacrificial aluminium alloy anode is applicable to the galvanic protection of facility anticorrosive metal such as pipeline, cable in boats and ships, mechanical means, oceanographic engineering and harbour facility and the ooze in the seawater medium.GB4948-2002 " aluminium-zinc-indium is the alloy sacrificial anode " is carried out in existing sacrificial aluminium alloy anode production, yet when finding in the practice under some specific environments, to use, often there are problems such as the lost of life, operating potential be stable inadequately according to the sacrificial anode that this standard is produced.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sacrificial aluminium alloy anode that is used for deep-marine-environment.
Another technical problem to be solved by this invention is to provide the above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, by its parts by weight aluminium 94-98 part, zinc 3-5 part, indium 0.04-0.06 part, cadmium 0.01-0.03 part.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 96 parts in its parts by weight aluminium, 4 parts on zinc, 0.05 part of indium, 0.02 part of cadmium.At this moment, the current efficiency of sacrificial aluminium alloy anode is the highest.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 94 parts in its parts by weight aluminium, 5 parts on zinc, 0.04 part of indium, 0.03 part of cadmium.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 98 parts in its parts by weight aluminium, 3 parts on zinc, 0.06 part of indium, 0.01 part of cadmium.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 95 parts in its parts by weight aluminium, 4.5 parts on zinc, 0.04 part of indium, 0.03 part of cadmium.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 97 parts in its parts by weight aluminium, 3.5 parts on zinc, 0.06 part of indium, 0.01 part of cadmium.
Preferably, the above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment is by 96 parts in its parts by weight aluminium, 5 parts on zinc, 0.04 part of indium, 0.02 part of cadmium.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) direct pouring or casting forming.
The invention has the beneficial effects as follows:
The above-mentioned sacrificial aluminium alloy anode that is used for deep-marine-environment, compare with the sacrificial aluminium alloy anode of carrying out GB4948-2002 " aluminium-zinc-indium is the alloy sacrificial anode " production, prolong work-ing life, and it is stable to use operating potential in deep-marine-environment, the dissolving pattern is even, the current efficiency height; Described preparation method is simple, is fit to requirements of large-scale industrial production.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is further described.
Embodiment 1
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 96kg, zinc 4kg, indium 0.05kg, cadmium 0.02kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) casting forming.
Embodiment 2
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 94kg, zinc 5kg, indium 0.04kg, cadmium 0.03kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) direct pouring is shaped.
Embodiment 3
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 98kg, zinc 3kg, indium 0.06kg, cadmium 0.01kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) direct pouring is shaped.
Embodiment 4
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 95kg, zinc 4.5kg, indium 0.04kg, cadmium 0.03kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) casting forming.
Embodiment 5
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 97kg, zinc 3.5kg, indium 0.06kg, cadmium 0.01kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) casting forming.
Embodiment 6
A kind of sacrificial aluminium alloy anode that is used for deep-marine-environment is made up of aluminium, zinc, indium and cadmium, wherein aluminium 96kg, zinc 5kg, indium 0.04kg, cadmium 0.02kg.
The above-mentioned preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment, concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) direct pouring is shaped.
Comparative experimental example
Dependence test test of the present invention:
Test products: product 1-embodiment 1 described sacrificial aluminium alloy anode;
The relevant sacrificial aluminium alloy anode that product 2-produces according to GB4948-2002 " aluminium-zinc-indium is the alloy sacrificial anode " table 10.
Concrete composition proportion sees Table 1
Test method: the GB4948-2002 that consults and carries out " aluminium-zinc-indium is the alloy sacrificial anode ".
Performance comparison result: see Table 2.
Table 1 composition proportion
| Product | Aluminium | Zinc | Indium | Cadmium |
| Product 1 | 96kg | 4kg | 0.05kg | 0.02kg |
| Product 2 | 97.3kg | 2.5kg | 0.02kg | 0.01kg |
Table 2 performance comparison result
Above-mentioned detailed description of this a kind of sacrificial aluminium alloy anode that is used for deep-marine-environment and preparation method thereof being carried out with reference to embodiment; be illustrative rather than determinate; can list several embodiment according to institute's limited range; therefore in the variation and the modification that do not break away under the general plotting of the present invention, should belong within protection scope of the present invention.
Claims (8)
1. a sacrificial aluminium alloy anode that is used for deep-marine-environment is characterized in that: be made up of aluminium, zinc, indium and cadmium, by its parts by weight aluminium 94-98 part, zinc 3-5 part, indium 0.04-0.06 part, cadmium 0.01-0.03 part.
2. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 96 parts in its parts by weight aluminium, 4 parts on zinc, 0.05 part of indium, 0.02 part of cadmium.
3. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 94 parts in its parts by weight aluminium, 5 parts on zinc, 0.04 part of indium, 0.03 part of cadmium.
4. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 98 parts in its parts by weight aluminium, 3 parts on zinc, 0.06 part of indium, 0.01 part of cadmium.
5. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 95 parts in its parts by weight aluminium, 4.5 parts on zinc, 0.04 part of indium, 0.03 part of cadmium.
6. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 97 parts in its parts by weight aluminium, 3.5 parts on zinc, 0.06 part of indium, 0.01 part of cadmium.
7. the sacrificial aluminium alloy anode that is used for deep-marine-environment according to claim 1 is characterized in that: by 96 parts in its parts by weight aluminium, 5 parts on zinc, 0.04 part of indium, 0.02 part of cadmium.
8. the described preparation method who is used for the sacrificial aluminium alloy anode of deep-marine-environment of one of claim 1-7, it is characterized in that: concrete steps are:
(1) proportioning described in the above-mentioned prescription is melted aluminium;
(2) zinc, indium and the cadmium for preparing added simultaneously in the aluminium liquid that has melted, and stir;
(3) direct pouring or casting forming.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104254634A (en) * | 2012-02-23 | 2014-12-31 | 亚马格轧制公司 | Age-hardenable aluminium alloy and method for improving the ability of a semi-finished or finished product to age artificially |
| CN110387493A (en) * | 2019-08-30 | 2019-10-29 | 昆山宏翔铝业有限公司 | A kind of processing proportion of indium kirsite aluminium |
-
2011
- 2011-05-30 CN CN2011101428906A patent/CN102220586A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104254634A (en) * | 2012-02-23 | 2014-12-31 | 亚马格轧制公司 | Age-hardenable aluminium alloy and method for improving the ability of a semi-finished or finished product to age artificially |
| CN110387493A (en) * | 2019-08-30 | 2019-10-29 | 昆山宏翔铝业有限公司 | A kind of processing proportion of indium kirsite aluminium |
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Application publication date: 20111019 |