CN102154651A - Sacrificial anode for deep sea environment and manufacturing method thereof - Google Patents
Sacrificial anode for deep sea environment and manufacturing method thereof Download PDFInfo
- Publication number
- CN102154651A CN102154651A CN 201110085962 CN201110085962A CN102154651A CN 102154651 A CN102154651 A CN 102154651A CN 201110085962 CN201110085962 CN 201110085962 CN 201110085962 A CN201110085962 A CN 201110085962A CN 102154651 A CN102154651 A CN 102154651A
- Authority
- CN
- China
- Prior art keywords
- sacrificial anode
- environment
- aluminium
- indium
- deep
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a sacrificial anode for deep sea environment. The sacrificial anode comprises main components by weight percent: 3.0-5.0% of zinc, 0.01-0.02% of indium, 0.10-0.20% of silicon and less than or equal to 0.16% of impurities, wherein the impurities comprise less than or equal to 0.13% of iron, less than or equal to 0.006% of copper and the balance of aluminum. The sacrificial anode has the working potential of -1.12 to -1.05V, the current efficiency of more than or equal to 93% and the capacitance of more than or equal to 2600 in the deep sea environment, and is even in corrosion, and corrosion products can easily fall off. The sacrificial anode has higher actual capacitance and current efficiency in the environment of low temperature and low dissolved oxygen, has the working potential of -1.12 to -1.05V, the current efficiency of more than or equal to 93% and the capacitance of more than or equal to 2600, and is even in corrosion. Furthermore, the sacrificial anode for the deep sea environment is low in indium content, effectively reduces the anode cost, and is especially suitable for cathode protection of ocean structure in the deep sea environment, thus the sacrificial anode has high performance.
Description
Technical field
The present invention relates to sacrificial anode material, particularly a kind of deep-marine-environment sacrificial anode and manufacture method thereof.
Background technology
Metallic corrosion is to destroy one of principal mode of hardware and member, and the galvanic anode protection method is one of present widely used anti-corrosion method, can provide corrosionproof protection to the hardware that works in the aqueous solution or contain in the aqueous environment.This method is that protected metal (negative electrode) is linked to each other with the metal (anode) more negative than his current potential; two kinds of metals are in the same electrolyte (water for example; soil) in; by means of the electric current that has big potential difference and the continuous active dissolution of sacrificial anode to be produced between sacrificial anode and the protected metal protected metal is carried out cathodic polarization, thereby suppress metallic corrosion.
Deep-marine-environment has characteristics such as pressure is big, temperature is low, low dissolved axygen content is few; these factors have material impact to the corrosion behavior of metal in deep-marine-environment. and sacrificial anode protection is because easy for installation; safeguard that advantage such as simple is widely used in the galvanic protection of seawater. the aluminum anode in the sacrificial anode have in light weight, electrical capacity big, price is more cheap; advantages such as construction and installation are more convenient are widely used in the galvanic protection of marine structure.The Al-Zn-In series sacrificial anode is to use maximum aluminum alloy anodes at present.But conventional Al-Zn-In sacrificial anode generally is applied in coastal waters or the neritic environment, and the performance in deep-marine-environment (electrical capacity, current efficiency etc.) is not ideal enough.For solving the anticorrosive metal problem under the deep-marine-environment; occur some on the market and be applied in sacrificial anode under the deep-marine-environment; for example: the application for a patent for invention of Chinese patent application numbers 200810249621.8; it is main raw material with aluminium; be added with element zinc; indium; magnesium; titanium; gallium; manganese; wherein the per-cent of each composition is zinc 2.0-5.5%; indium 0.03-0.08%; magnesium 0.5-2.0%; titanium 0.05-0.2%; gallium 0.05-0.55%; manganese 0.02-1.2%; total impurities≤0.30%; surplus is an aluminium, this sacrificial anode is-1.05 at the operating potential of marine bottom～-1.10V.But, magnesium in this kind alloy formula, the Heisui River, smelly water and the particle detachment phenomenon that when magnesium dissolves, easily produce, cause Marine Environmental Pollution, in addition, also be added with rare elements titanium, gallium, manganese in the alloy, make alloy, the content of indium is also higher, causes the manufacturing cost of alloy to improve greatly, is unfavorable for promoting the use of.
In view of above-mentioned technological deficiency; press for and a kind of high-performance aluminium alloy sacrificial anode that is used under low temperature, the low dissolved axygen environment occurs; compare with conventional Al-Zn-In series sacrificial anode; this anode has higher actual capacitance and current efficiency under low temperature, low dissolved axygen environment; and it is lower to contain the indium amount; can effectively reduce the anode cost, be specially adapted to the deep-marine-environment sacrificial anode and the manufacture method thereof of the galvanic protection of deep-marine-environment marine structure.
Summary of the invention
Technical problem to be solved by this invention is; a kind of high-performance aluminium alloy sacrificial anode that is used under low temperature, the low dissolved axygen environment is provided; compare with conventional Al-Zn-In series sacrificial anode; this anode has higher actual capacitance and current efficiency under low temperature, low dissolved axygen environment; and it is lower to contain the indium amount; can effectively reduce the anode cost, be specially adapted to the deep-marine-environment sacrificial anode and the manufacture method thereof of the galvanic protection of deep-marine-environment marine structure.
For this reason, the invention provides a kind of deep-marine-environment sacrificial anode, its main component is: be raw material with aluminium, be added with element zinc, indium, silicon, wherein, the weight percent of each composition is as follows: zinc 3.0～5.0%, indium 0.01～0.02%, silicon 0.10～0.20%; Total impurities≤0.16%, wherein, impurity iron≤0.13%, impurity copper≤0.006%; Surplus is an aluminium.
The operating potential of described sacrificial anode under the deep sea low temperature environment be-1.12～-1.05V, current efficiency 〉=93%, electrical capacity 〉=2600, and uniform corrosion, corrosion product easily comes off.
Purpose the invention also discloses the manufacture method of a kind of deep-marine-environment with sacrificial anode to better implement the present invention, wherein, comprises the steps:
At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%;
Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod;
To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead;
Use the acetone oil removing at last, carry out drying then and weigh, on sample, reserve 14cm
2Working area, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.
The present invention compares with conventional Al-Zn-In series sacrificial anode, the present invention has higher actual capacitance and current efficiency under low temperature, low dissolved axygen environment, and its operating potential is-1.12～-1.05V, current efficiency 〉=93%, electrical capacity 〉=2600, and uniform corrosion.And it is lower to contain the indium amount, can effectively reduce the anode cost, is specially adapted to the deep-marine-environment of the galvanic protection of deep-marine-environment marine structure, is a kind of high performance deep-marine-environment sacrificial anode.
Embodiment
The present invention is the deep-marine-environment sacrificial anode, and its main component is: be raw material with aluminium, be added with element zinc, indium, silicon, wherein, the weight percent of each composition is as follows: zinc 3.0～5.0%, indium 0.01～0.02%, silicon 0.10～0.20%; Total impurities≤0.16%, wherein, impurity iron≤0.13%, impurity copper≤0.006%; Surplus is an aluminium.
The operating potential of described sacrificial anode under the deep sea low temperature environment be-1.12～-1.05V, current efficiency 〉=93%, electrical capacity 〉=2600, and uniform corrosion, corrosion product easily comes off.
Manufacture method of the present invention is as follows:
At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%;
Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod;
To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead;
Use the acetone oil removing at last, carry out drying then and weigh, on sample, reserve 14cm
2Working area, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.
For better embodying high efficiency of the present invention, the electrochemistry experiment of the present invention and sacrificial anodes more of the prior art is compared as follows
The selection of experiment material:
In order to contrast the chemical property of the present invention and conventional Al-Zn-In series sacrificial anode, four kinds of alloy sacrificial anode materials have been selected in the experiment.Four kinds of alloy anode materials theory chemical constitutions are as shown in table 1:
Each sacrificial anode theoretical chemistry of table 1 is formed
Electrochemical property test:
As shown in table 1; 3 samples of the anode preparation of every kind of numbering; adopt galvanostatic method aluminum anode to be carried out electrochemical property test by GB17848-1999 " sacrificial anode electrochemical performance test method "; anode working current density is 1mA/cm2; ratio of cathodic to anodic area is 60: 1, and test period is 240h, and test(ing) medium is the simulated deep-sea environment seawater; medium temperature is 4 ℃, utilizes nitrogen to remove dissolved oxygen in the medium.Aluminum anode is surveyed open circuit potential after soaking 3h, feeds electric current then, and duration of test is surveyed operating potential every day, and reference electrode is a saturated calomel electrode, according to negative electrode weightening finish and the weightless calculating of aluminum anode current efficiency, and compares with GB data that table 2 provides.
Table 2 GB Al-Zn-In-Si alloy sacrificial anode electrochemical performance
Wherein, 3 samples of the present invention are as follows as three embodiment of the present invention:.
Embodiment one: label is sample C1.
With aluminium is raw material, is added with element zinc, indium, silicon, and wherein, the weight percent of each composition is as follows: zinc 3.5%, indium 0.015%, silicon 0.15%; Total impurities≤0.16%, wherein, impurity iron≤0.12%, impurity copper≤0.005%; Surplus is an aluminium.At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%; Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod; To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead; Use the acetone oil removing at last, carry out drying then and weigh, on sample, reserve 14cm
2Working area, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.The operating potential of sacrificial anode under the deep sea low temperature environment be-1.1～-1.07V, current efficiency 93%, electrical capacity 2600, and uniform corrosion, corrosion product easily comes off.
Embodiment two: label is sample C2
With aluminium is raw material, is added with element zinc, indium, silicon, and wherein, the weight percent of each composition is as follows: zinc 4.0%, indium 0.01%, silicon 0.10%; Total impurities≤0.16%, wherein, impurity iron≤0.13%, impurity copper≤0.004%; Surplus is an aluminium.At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%; Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod; To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead; Use the acetone oil removing at last, carry out drying then and weigh, on sample, reserve 14cm
2Working area, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.The operating potential of sacrificial anode under the deep sea low temperature environment be-1.11～-1.075V, current efficiency 93.5, electrical capacity 2650, and uniform corrosion, corrosion product easily comes off.
Embodiment three: label is sample C3
With aluminium is raw material, is added with element zinc, indium, silicon, and wherein, the weight percent of each composition is as follows: zinc 4.5%, indium 0.02%, silicon 0.20%; Total impurities≤0.16%, wherein, impurity iron≤0.13%, impurity copper≤0.006%; Surplus is an aluminium.At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%; Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod; To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead; Use the acetone oil removing at last, carry out drying then and weigh, on sample, reserve 14cm
2Working area, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.The operating potential of sacrificial anode under the deep sea low temperature environment be-1.1～-1.072V, current efficiency 93.5, electrical capacity 2628, and uniform corrosion, corrosion product easily comes off.
Testing sequence:
At first pick out the satisfactory aluminium ingot of impurity component.Take by weighing alloying element In and Si by massfraction then, wrap with aluminium foil, aluminium ingot melts in 760 ℃ of resistance furnace crucibles, add load weighted zinc ingot metal, treat fusing, degasification, skim after with in the alloying element bag pressure people aluminium liquid, stir evenly after the fusing, skim, (casting among the φ 20mm * 60mm) allows its naturally cooling at the cast iron mould.Composition analysis is carried out to casting rod in the cooling back, picks out the casting rod that meets the composition requirement.To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead.Sample is used the acetone oil removing earlier, carries out drying then and weighs, and reserves 14cm on sample
2Working area, rest part is coated with envelope with insulation paste.
Test-results: the test result of each sample chemical property is as shown in table 3.Every kind of prescription of alloy formula of each numbering of table 1 is made 3 samples, and each sample electrochemistry system can compare as table 3:
Table 3
Conclusion:
Al-Zn-In-Cd sacrificial anode sample is the dissolving of non-homogeneous shape and product does not come off at simulated deep-sea environment lower surface corrosion product as can be seen from Table 3; current efficiency is about 83%; and actual capacitance is very low, and operating potential is undesirable, is not suitable for deep-marine-environment.
GB Al-Zn-In-Si sacrificial anode is the dissolving of non-homogeneous shape at simulated deep-sea environment lower surface corrosion product, but corrosion product comes off, and current efficiency is about 89%, and actual capacitance is about 2500, can not be as the efficient sacrificial anode of deep-marine-environment.
The Al-Zn-In-Mg-Ti sacrificial anode is even shape dissolving at simulated deep-sea environment lower surface corrosion product, and corrosion product easily comes off, and current efficiency is about 89%; actual capacitance is about 2510; operating potential meets the requirements, and can use in deep-marine-environment, but not belong to efficient sacrificial anode.
Al-Zn-In-Si sacrificial anode of the present invention is even shape dissolving at simulated deep-sea environment lower surface corrosion product; corrosion product easily comes off, and current efficiency is greater than 93%, and actual capacitance is about greater than 2600; and operating potential meets the requirements, and can be used as the efficient sacrificial anode of deep-marine-environment.And it is lower that the present invention contains the indium amount, can effectively reduce the anode cost.And chemical property obviously is better than GB.
Claims (3)
1. deep-marine-environment sacrificial anode, its main component is: be raw material with aluminium, be added with element zinc, indium, silicon, it is characterized in that, the weight percent of each composition is as follows: zinc 3.0～5.0%, indium 0.01～0.02%, silicon 0.10～0.20%; Total impurities≤0.16%, wherein, impurity iron≤0.13%, impurity copper≤0.006%; Surplus is an aluminium.
2. according to the described deep-marine-environment sacrificial anode of claim 1, it is characterized in that, the operating potential of described sacrificial anode under the deep sea low temperature environment be-1.12～-1.05V, current efficiency 〉=93%, electrical capacity 〉=2600, and uniform corrosion, corrosion product easily comes off.
One kind as claimed in claim 1 or 2 deep-marine-environment it is characterized in that with the manufacture method of sacrificial anode, comprise the steps:
At first according to mass percent weighing aluminium ingot, zinc ingot metal, element indium and elemental silicon, the total impurities of the aluminium ingot of selecting≤0.16%;
Then indium and silicon are wrapped with aluminium foil, aluminium ingot melts in the resistance furnace crucible, and temperature is 750～800 ℃, add zinc ingot metal again, treat fusing, degasification, the alloying element bag pressure gone in the aluminium liquid after skimming, stir evenly after the fusing, skim, in the cast iron mould, cast, allow its naturally cooling, obtain the casting rod;
To cast rod and be processed into the electrochemical property test sample of φ 16mm * 48mm and the cylindrical electrode sample that end area is 100mm, and at one end process the screw of M3mm * 5mm so that draw lead;
Use the acetone oil removing at last, carry out drying then and weigh, reserve the working area of 14cm2 on sample, rest part is coated with envelope with insulation paste, i.e. Zhi the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085962 CN102154651A (en) | 2011-03-30 | 2011-03-30 | Sacrificial anode for deep sea environment and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085962 CN102154651A (en) | 2011-03-30 | 2011-03-30 | Sacrificial anode for deep sea environment and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102154651A true CN102154651A (en) | 2011-08-17 |
Family
ID=44436314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110085962 Pending CN102154651A (en) | 2011-03-30 | 2011-03-30 | Sacrificial anode for deep sea environment and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102154651A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925902A (en) * | 2012-10-29 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Method for controlling electrochemical performance of aluminum anode with high iron tramp content |
| CN103740957A (en) * | 2014-01-22 | 2014-04-23 | 东北大学 | Casting method of aluminum alloy sacrificial anode |
| CN103774154A (en) * | 2014-01-15 | 2014-05-07 | 青岛双瑞海洋环境工程股份有限公司 | Efficient Al alloy sacrificial anode suitable for low-temperature seawater environment and preparation process thereof |
| CN106350824A (en) * | 2015-07-16 | 2017-01-25 | 东北大学 | Efficient aluminum alloy sacrificial anode for deep sea, and producing method thereof |
| WO2017034486A1 (en) * | 2015-08-24 | 2017-03-02 | Ptt Public Company Limited | Aluminium alloy for sacrificial anode |
| CN106637231A (en) * | 2016-10-18 | 2017-05-10 | 青岛双瑞海洋环境工程股份有限公司 | Aluminum alloy anode suitable for high-resistivity environment and preparation method thereof |
| CN115418645A (en) * | 2022-10-13 | 2022-12-02 | 中国海洋石油集团有限公司 | Aluminum-based sacrificial anode for high-temperature deep well oil casing and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974055A (en) * | 1974-12-23 | 1976-08-10 | The Dow Chemical Company | Aluminum alloy anode composition |
| CN1924098A (en) * | 2006-09-08 | 2007-03-07 | 青岛双瑞防腐防污工程有限公司 | Aluminium-zinc-indium ternary aluminum alloy sacrificial anode |
| CN101148767A (en) * | 2007-10-29 | 2008-03-26 | 河南科技大学 | Aluminum-zinc-indium series sacrificial anode material |
-
2011
- 2011-03-30 CN CN 201110085962 patent/CN102154651A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974055A (en) * | 1974-12-23 | 1976-08-10 | The Dow Chemical Company | Aluminum alloy anode composition |
| CN1924098A (en) * | 2006-09-08 | 2007-03-07 | 青岛双瑞防腐防污工程有限公司 | Aluminium-zinc-indium ternary aluminum alloy sacrificial anode |
| CN101148767A (en) * | 2007-10-29 | 2008-03-26 | 河南科技大学 | Aluminum-zinc-indium series sacrificial anode material |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925902A (en) * | 2012-10-29 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Method for controlling electrochemical performance of aluminum anode with high iron tramp content |
| CN103774154A (en) * | 2014-01-15 | 2014-05-07 | 青岛双瑞海洋环境工程股份有限公司 | Efficient Al alloy sacrificial anode suitable for low-temperature seawater environment and preparation process thereof |
| CN103774154B (en) * | 2014-01-15 | 2016-01-13 | 青岛双瑞海洋环境工程股份有限公司 | Be applicable to High Efficiency Aluminum Alloy Sacrificial Anode and the preparation technology thereof of low temperature seawater environment |
| CN103740957A (en) * | 2014-01-22 | 2014-04-23 | 东北大学 | Casting method of aluminum alloy sacrificial anode |
| CN103740957B (en) * | 2014-01-22 | 2016-09-28 | 东北大学 | A kind of casting method of sacrificial aluminium alloy anode |
| CN106350824A (en) * | 2015-07-16 | 2017-01-25 | 东北大学 | Efficient aluminum alloy sacrificial anode for deep sea, and producing method thereof |
| WO2017034486A1 (en) * | 2015-08-24 | 2017-03-02 | Ptt Public Company Limited | Aluminium alloy for sacrificial anode |
| CN106637231A (en) * | 2016-10-18 | 2017-05-10 | 青岛双瑞海洋环境工程股份有限公司 | Aluminum alloy anode suitable for high-resistivity environment and preparation method thereof |
| CN113388839A (en) * | 2016-10-18 | 2021-09-14 | 青岛双瑞海洋环境工程股份有限公司 | Aluminum alloy anode suitable for high-resistivity environment and preparation method thereof |
| CN115418645A (en) * | 2022-10-13 | 2022-12-02 | 中国海洋石油集团有限公司 | Aluminum-based sacrificial anode for high-temperature deep well oil casing and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102154651A (en) | Sacrificial anode for deep sea environment and manufacturing method thereof | |
| CN105695826B (en) | A kind of magnesium-alloy anode material and preparation method thereof | |
| CN105671557A (en) | Bi containing magnesium alloy sacrificial anode material | |
| CN101586241B (en) | Aluminum zinc series alloy sacrificial anode for electric water heaters | |
| CN100432294C (en) | High petential magnesium alloy sacrificial anode material and its manufacturing method | |
| CN105779837A (en) | Gd containing sacrificial anode magnesium alloy | |
| Han et al. | Electrochemical performance of aluminum anodes with different grain sizes for Al-air batteries | |
| CN102121073A (en) | Method for preparing rare-earth aluminum alloy electrode material | |
| CN113293384A (en) | Zinc-free aluminum alloy sacrificial anode | |
| Shibli et al. | Activation of aluminium alloy sacrificial anodes by selenium | |
| CN108359866A (en) | A kind of fire resistant aluminum alloy sacrificial anode material and the preparation method and application thereof | |
| Zhou et al. | Effect of cooling ways on properties of Al/Pb-0.2% Ag rolled alloy for zinc electrowinning | |
| Wang et al. | Effect of heat treatment on electrochemical properties of Mg–9 wt.% Al–2.5 wt.% Pb alloy in sodium chloride solution | |
| Wang et al. | Micro-alloyed Mg–Al–Sn anode with refined dendrites used for Mg-air battery | |
| CN109252170B (en) | Aluminum alloy sacrificial anode resistant to high-temperature oil stain seawater | |
| CN106637231A (en) | Aluminum alloy anode suitable for high-resistivity environment and preparation method thereof | |
| Wang et al. | Effect of lithium on the discharge and corrosion behavior of Mg-3 wt.% al alloy as the anode for seawater activated battery | |
| CN101445936B (en) | Low-driving potential aluminum alloy sacrificial anode | |
| CN101445935A (en) | Aluminum alloy sacrificial anode suitable for abyssal environment | |
| CN102925902A (en) | Method for controlling electrochemical performance of aluminum anode with high iron tramp content | |
| CN104018163A (en) | Novel alloy sacrificial anode | |
| Bin et al. | Influence of Al–Mn master alloys on microstructures and electrochemical properties of Mg–Al–Pb–Mn alloys | |
| CN110042278A (en) | A kind of aluminium-air cell anode material and preparation method thereof | |
| CN109338375A (en) | A kind of high-performance Al-Zn-In series sacrificial anode material and preparation method thereof | |
| NO167724B (en) | DEVICE FOR STEERING A DRIVE SHIFT DRIVE ON A VEHICLE FRAME. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110817 |