CN106769835B - Galvanized steel atmospheric corrosion Behavior modeling monitoring device and its method - Google Patents
Galvanized steel atmospheric corrosion Behavior modeling monitoring device and its method Download PDFInfo
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- CN106769835B CN106769835B CN201710080807.4A CN201710080807A CN106769835B CN 106769835 B CN106769835 B CN 106769835B CN 201710080807 A CN201710080807 A CN 201710080807A CN 106769835 B CN106769835 B CN 106769835B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention discloses a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring devices.The galvanized steel atmospheric corrosion Behavior modeling monitoring device includes cabin, weighs component, temperature-control units, control wet end part, galvanometer, insulating part and processor;Cabin has monitoring chamber and coated window.It weighs component and is connected to processor;Temperature-control units, which are used to adjust, monitors intracavitary temperature;Control wet end part, which is used to adjust, monitors intracavitary humidity.The insulating part is for second electrode made of the fixed first electrode using measuring probe made of galvanized steel and galvanized steel matrix steel, one end of first electrode is concordant with an end face of insulating part with one end of second electrode, and the end face of insulating part forms coated side;The other end of first electrode and the other end of second electrode are connected to galvanometer, and galvanometer is connected to processor.The galvanized steel atmospheric corrosion Behavior modeling monitoring device is galvanized steel corrosion monitoring, experimental period suitable for different atmospheric environments short.
Description
Technical field
The present invention relates to corrosion behaviors to simulate monitoring field, supervises more particularly to a kind of galvanized steel atmospheric corrosion Behavior modeling
Survey devices and methods therefor.
Background technique
Galvanized steel in use, often will receive atmospheric corrosion, and the method for monitoring zinc-plated steel corrosion at present is usually
It is tested using real field exposure;The corrosion data and feature that can accurately obtain galvanized steel material under natural environment are tested in real field exposure,
Reliable parameter can be provided for production, design, but experimental period is long, sampling interval is long, is difficult to the corrosion of Real-Time Evaluation material
Behavior.
Summary of the invention
Based on this, it is necessary to it is short to provide a kind of galvanized steel corrosion monitoring, experimental period suitable for different atmospheric environments
Galvanized steel atmospheric corrosion Behavior modeling monitoring device and its method.
A kind of galvanized steel atmospheric corrosion Behavior modeling monitoring device, including cabin, weighing component, temperature-control units, control wet end
Part, insulating part, galvanometer and processor;The cabin has monitoring chamber, and the cabin has and can turn on or off
Coated window, the coated window are connected to the monitoring chamber;
The weighing component is located at the intracavitary quality with for weighing measuring probe of monitoring, the weighing component connection
In the processor;The temperature-control units are connected to the cabin for adjusting the intracavitary temperature of the monitoring, the temperature control
Component is connected to the processor;The control wet end part is connected to the cabin for adjusting the intracavitary humidity of the monitoring;
The insulating part is for fixed first electrode and galvanized steel matrix steel using measuring probe made of galvanized steel
At second electrode, between the first electrode and the second electrode have interval, one end of the first electrode with it is described
One end of second electrode is concordant with an end face of the insulating part, and the end face of the insulating part forms coated side;It is described
The other end of first electrode and the other end of the second electrode are connected to the galvanometer, and the galvanometer is connected to
The processor.
The weighing component has pallet, electronic balance in one of the embodiments, and the pallet is located at the monitoring
Intracavitary to be placed with being used for the confession measuring probe, the electronic balance is located at the cabin and is connected to the pallet, the electricity
Sub- balance is also electrically connected at the processor.
Another object of the present invention, which also resides in, provides a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring method.
A kind of galvanized steel atmospheric corrosion Behavior modeling monitoring method, includes the following steps:
By temperature-control units, control wet end part distinguish the indoor temperature of adjusting cabin, humidity to in the environment of simulation temperature,
Humidity is consistent;
Measuring probe is prepared, wherein measuring probe has using first electrode and galvanized steel matrix steel made of galvanized steel
Measuring probe is placed in and weighs on component by manufactured second electrode, weighs component and weighs the initial mass of the measuring probe simultaneously
The initial mass is sent to processor;
Corrosion simulated liquid is coated in the coated side of measuring probe, the weighing component weighs the measuring probe and institute
It states the merged-quality of corrosion simulated liquid and the merged-quality is sent to the processor, the processor calculates the corrosion mode
The quality of quasi- liquid;
With the volatilization of the corrosion simulated liquid, the weighing component records the measuring probe and institute every the unit time
State the merged-quality of corrosion simulated liquid, the processor calculates the quality of the corrosion simulated liquid described in the unit time to obtain
State the mass change of corrosion simulated liquid;Galvanometer detection electric current indicates first electricity of the corrosion simulated liquid by the measuring probe
Pole is connected with second electrode, and the galvanometer is by the current transmission to the processor, when electric current is not detected in galvanometer, table
Show that the corrosion simulated liquid has been evaporated completely;
It coats on the corrosion simulated liquid to the measuring probe repeatedly, is recycled with this;
The processor draws the electric current evolution curve after repeatedly coating;The processor according to the area of coated side and
The mass change of the corrosion simulated liquid calculates caustic concentrations variation in the corrosion simulated liquid;According to galvanized steel reality
Corresponding relationship in Service Environment in pollutant index and the corrosion simulated liquid between corrosive component concentration predicts practical clothes
Use as a servant the corrosion variation tendency of galvanized steel in environment.
Coated weight of the corrosion simulated liquid in the coated side is 40 μ L/cm in one of the embodiments,2。
In one of the embodiments, further include following steps: coating the primary corrosion mode on the measuring probe
The measuring probe is in the wetting stage after quasi- liquid, until the corrosion simulated liquid is evaporated completely the rear measuring probe and enters drying
Stage, the primary time for soaking stage and drying stage are 12h.
In one of the embodiments, further include following steps: coating the primary corrosion mode on the measuring probe
Quasi- liquid coats deionized water and until the deionized water after the corrosion simulated liquid is evaporated completely on the measuring probe
Volatilization completely, it is 12 hours that the time that deionized water is volatilized to deionized water is coated on the measuring probe, and deionized water applies
The number covered is 4 times.
The first electrode and the second electrode all have multiple comb teeth and make described the in one of the embodiments,
One electrode and the second electrode are in pectination, the multiple comb teeth and multiple comb teeth phases of the second electrode of the first electrode
Mutually staggeredly.
Above-mentioned galvanized steel atmospheric corrosion Behavior modeling monitoring device, including cabin, weigh component, temperature-control units, control it is wet
Component, galvanometer, measuring probe and processor;Cabin has monitoring chamber, and cabin has the coating that can be turned on or off
Window, coated window are connected to monitoring chamber, and coating mouth is for coating corrosion simulated liquid;It is intracavitary to be used for that weighing component is located at monitoring
The quality of measuring probe is weighed, and can be the mass transport that weighing obtains to processor;Temperature-control units be connected to cabin with
Intracavitary temperature is monitored in adjusting;Control wet end part is connected to cabin to monitor intracavitary humidity for adjusting;Temperature-control units and
The temperature and humidity that control wet end part is respectively used to adjust the intracavitary atmospheric environment of monitoring is consistent in practical Service Environment.Measuring probe
With using second electrode, first electrode and second electrode made of first electrode made of galvanized steel and galvanized steel matrix steel
It is fixed by insulating part and has interval to avoid first electrode and second electricity between first electrode and the second electrode
One end of the direct contact of pole, first electrode is concordant with an end face of insulating part with one end of second electrode, and insulating part
The end face forms coated side, and when coating corrosion simulated liquid, corrosion simulated liquid can be connected to first electrode with second electrode;The
The other end of one electrode and the other end of second electrode are respectively at the galvanometer, and galvanometer is for detecting first electrode, corruption
The Galvanic Current in simulated solution and the circuit of second electrode formation is lost, and the Galvanic Current is transmitted to processor.Coating institute
It states and is repeatedly recycled on corrosion simulated liquid to the measuring probe;Processor draws the electric current evolution curve after repeatedly coating;Processing
Device, which calculates caustic concentrations in corrosion simulated liquid according to the area of coated side and the mass change of corrosion simulated liquid, to be changed;
According to the corresponding relationship in pollutant index in the practical Service Environment of galvanized steel and corrosion simulated liquid between corrosive component concentration,
Predict the corrosion variation tendency of galvanized steel in practical Service Environment.Above-mentioned galvanized steel atmospheric corrosion Behavior modeling monitoring device,
(1) the galvanized steel corrosion research suitable for different atmospheric environments, such as seaside atmosphere environment, industrial atmosphere, seashore industrial atmosphere
Galvanized steel corrosion behavior and corrosion resisting property evaluation etc. in environment;It (2) can be according to pollutant kind in different practical Service Environments
And concentration is prepared different corrosion simulated liquid and is tested, and reasonable test week can be formulated according to galvanized steel corrosion condition
Phase;(3) this experimental provision structure is simple, and experimental method is reliable, and step is reasonable, and repeatability is high, and strong operability is convenient and practical
The advantages of.
Detailed description of the invention
Fig. 1 is an embodiment galvanized steel atmospheric corrosion Behavior modeling monitoring device schematic diagram;
Fig. 2 is the measuring probe schematic diagram of galvanized steel atmospheric corrosion Behavior modeling monitoring device shown in Fig. 1.
Description of symbols
10, galvanized steel atmospheric corrosion Behavior modeling monitoring device;100, cabin;110, coated window;120, chamber is monitored;
200, component is weighed;210, electronic balance;220, pallet;300, temperature-control units;400, wet end part is controlled;500, galvanometer;600,
Measuring probe;610, first electrode;620, second electrode;700, conducting wire;800, coated side;900, processor.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Shown in Figure 1, the present embodiment relates to a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring device 10.This is zinc-plated
Steel atmospheric corrosion Behavior modeling monitoring device 10 include cabin 100, weigh component 200,300, temperature control portion, control wet end part 400,
500 insulating part of galvanometer and processor 900.
Shown in Figure 1, the cabin 100 has monitoring chamber 120.The cabin 100 has and can turn on or off
Coated window 110, the coated window 110 is connected to the monitoring chamber 120.Cabin 100 is made by poly (methyl methacrylate) plate,
Using the fused bonding of chloroform between poly (methyl methacrylate) plate and poly (methyl methacrylate) plate;The reserved corresponding gap in 100 bottom surface of cabin is used for
For connecting probe wire 700.100 side of cabin has coated window 110, for use when coating corrosion simulated liquid.Cabin
Electronic balance 210 bottom hook of the reserved corresponding gap in the top of room 100 for weighing component 200 and the pallet 220 in cabin
Connection is used.Gap can pass through silicone rubber seal when needing to close.
Shown in Figure 1, the weighing component 200 is located in the monitoring chamber 120 for weighing the measuring probe
600 quality, the weighing component 200 are connected to the processor 900.300, the temperature control portion is connected to the cabin 100
With for adjusting the temperature in the monitoring chamber 120,300, the temperature control portion is connected to the processor 900;The control wet end
Part 400 is connected to the cabin 100 for adjusting the humidity in the monitoring chamber 120.In the present embodiment, the weighing portion
Part 200 has pallet 220, electronic balance 210, and the pallet 220 is located in the monitoring chamber 120 for visiting for the measurement
First 600 place, and the electronic balance 210 is located at the cabin 100 and is connected to the pallet 220, and the electronic balance 210 is also
It is electrically connected at the processor 900.
Shown in Figure 1, measuring probe 600 has using first electrode 610 and zinc-plated steel matrix made of galvanized steel
Second electrode 620 made of steel (galvanized steel is galvanized steel matrix steel after removing zinc coat).Insulating part is for fixing described the
There is interval between one electrode 610 and the second electrode 620 and the first electrode 610 and the second electrode 620, it is described
First electrode 610 and the second electrode 620 all have multiple comb teeth and make the first electrode 610 and the second electrode
620 be in pectination, and multiple comb teeth of the first electrode 610 and multiple comb teeth of the second electrode 620 are interlaced.
It is shown in Figure 1, one end of one end of the first electrode 610 and the second electrode 620 with the insulation
One end face of part is concordant, and the end face of the insulating part forms coated side 800.The other end of the first electrode 610 and
The other end of the second electrode 620 passes through conducting wire 700 respectively and is connected to the galvanometer 500, and the galvanometer 500 is connected to
The processor 900.
The galvanized steel atmospheric corrosion Behavior modeling monitoring that the present embodiment is related to is being used for the Behavior modeling of galvanized steel atmospheric corrosion
When monitoring, a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring method is related to.
A kind of galvanized steel atmospheric corrosion Behavior modeling monitoring method, includes the following steps:
It is shown in Figure 1, by 300, temperature control portion, control wet end part 400 adjust respectively temperature in cabin 100, humidity to
It is consistent with temperature, the humidity in the environment of simulation;The humidity of environment is adjusted to by a certain proportion of glycerin/water in cabin 100
80%, it is 25 DEG C that temperature and room temperature, which are consistent, in cabin 100.
Measuring probe is prepared, wherein measuring probe has using first electrode and galvanized steel matrix steel made of galvanized steel
Manufactured second electrode.It is shown in Figure 2, the first electrode 610 of measuring probe 600, second electrode 620 are located at coated side
800 one end includes that the surface of coated side 800 is slightly polished until two electrode surfaces of exposing are done after alcohol washes oil removing
It can be used to test after placing 24 in dry device.
It is shown in Figure 1, measuring probe 600 is placed in and is weighed on component 200, component 200 is weighed and weighs the measurement spy
The initial mass is simultaneously sent to processor 900 by first 600 initial mass.
Pass through NaCl and NaHSO3Corrosion simulated liquid is configured, NaCl and NaHSO in corrosion simulated liquid3Total content Ying Yushi
The settling amount of corresponding pollutant is consistent in the atmospheric corrosion environment of border.
Corrosion simulated liquid is coated in the coated side 800 of measuring probe 600, the corrosion simulated liquid is in the coated side
Coated weight on 800 is 40 μ L/cm2。
The weighing component 200 weighs the merged-quality of the measuring probe 600 and the corrosion simulated liquid and should
Merged-quality is sent to the processor 900, and the processor 900 calculates the quality of the corrosion simulated liquid.
With the volatilization of the corrosion simulated liquid, the weighing component 200 records the measuring probe every the unit time
600 and the corrosion simulated liquid merged-quality, the processor 900 calculates the corrosion simulated liquid described in the unit time
Quality is to obtain the mass change of the corrosion simulated liquid;Galvanometer 500, which detects electric current, indicates that the corrosion simulated liquid will be described
The first electrode 610 of measuring probe and second electrode 620 are connected, and the galvanometer 500 is by the current transmission to the processor
900, when electric current is not detected in galvanometer 500, indicate that the corrosion simulated liquid has been evaporated completely.
The measuring probe 600 is in the wetting stage after coating the primary corrosion simulated liquid on the measuring probe,
Until the corrosion simulated liquid is evaporated completely the rear measuring probe 600 into drying stage, primary wetting stage and drying stage
Time be 12h.
The primary corrosion simulated liquid is coated on the measuring probe after the corrosion simulated liquid is evaporated completely, in institute
State on measuring probe coat deionized water and until the deionized water volatilize completely, coat deionization on the measuring probe
The time that water volatilizees to deionized water is 12 hours, and the number of deionized water coating is 4 times.
It coats on the corrosion simulated liquid to the measuring probe repeatedly, is recycled with this.
The processor 900 draws the three-dimensional curve diagram that the current curve after repeatedly coating develops with coating number;It is described
Processor 900 is according to the area of coated side 800 and the mass change of the corrosion simulated liquid, in conjunction with corroding in corrosion simulated liquid
Property component initial content calculate caustic concentrations variation in the corrosion simulated liquid, wherein calculation is as follows: according to
Balance reading records the mass change of corrosion simulated liquid, and corrosion simulated liquid quality (is approximately considered water divided by corrosion simulated liquid density
Density) be equal to corrosion simulated liquid product.In corrosion simulated liquid evaporation process, it is believed that the corrosive component quality of corrosion simulated liquid
It is constant, it may be assumed that molal quantity is constant, so by the corresponding volume change of mass change, molal quantity in unit volume;According to galvanized steel
Corresponding relationship in practical Service Environment in pollutant concentration and the corrosion simulated liquid between corrosive component concentration, in conjunction with this
It is special to act on lower galvanized steel based on unit pollutant concentration in long term atmospheric corrosion process for the galvanized steel etching extent that method test obtains
(that is: galvanized steel corrosion rate in atmospheric corrosion environment changes over time is presented fixed slope to some etching extent principles of reciprocity
Monotonicity variation), the corrosion variation tendency of galvanized steel in practical Service Environment is predicted, wherein galvanized steel in practical Service Environment
Corrode the formula of variation tendency are as follows: A=tn, A is etching extent, and t is etching time, and n is slope.
Above-mentioned galvanized steel atmospheric corrosion Behavior modeling monitoring device 10, including cabin 100, weighing component 200, temperature control portion
300, control wet end part 400, galvanometer 500, measuring probe 600 and processor 900;Cabin 100 has monitoring chamber 120, cabin
Room 100 has the coated window 110 that can be turned on or off, and coated window 110 is connected to monitoring chamber 120, and coating mouth is used for
Coat corrosion simulated liquid;It weighs component 200 to be located in monitoring chamber 120 with the quality for weighing measuring probe 600, and can be
Obtained mass transport is weighed to processor 900;300, temperature control portion is connected to cabin 100 for adjusting in monitoring chamber 120
Temperature;Control wet end part 400 is connected to cabin 100 for adjusting the humidity in monitoring chamber 120;300, temperature control portion and control are wet
The temperature and humidity that component 400 is respectively used to adjust the atmospheric environment in monitoring chamber 120 is consistent in practical Service Environment.Measurement is visited
First 600 have using second electrode 620 made of first electrode 610 made of galvanized steel and galvanized steel matrix steel, the first electricity
Pole 610 and second electrode 620 fixed by insulating part and between first electrode 610 and the second electrode 620 have interval with
First electrode 610 is avoided to contact with the direct of the second electrode 620, one end of first electrode 610 and the one of second electrode 620
End is concordant with an end face of insulating part, and the end face of insulating part forms coated side 800, rotten when coating corrosion simulated liquid
Erosion simulated solution can be connected to first electrode 610 with second electrode 620;The other end and second electrode 620 of first electrode 610
The other end respectively at the galvanometer 500, galvanometer 500 is for detecting first electrode 610, corrosion simulated liquid and the second electricity
The Galvanic Current in circuit that pole 620 is formed, and the Galvanic Current is transmitted to processor 900.Coat the corrosion simulated liquid
It is repeatedly recycled on to the measuring probe;Processor 900 draws the electric current evolution curve after repeatedly coating;900 basis of processor
The mass change of the area of coated side 800 and corrosion simulated liquid calculates caustic concentrations variation in corrosion simulated liquid;Root
According to the corresponding relationship between corrosive component concentration in pollutant index in the practical Service Environment of galvanized steel and corrosion simulated liquid, in advance
Survey the corrosion variation tendency of galvanized steel in practical Service Environment.Above-mentioned galvanized steel atmospheric corrosion Behavior modeling monitoring device 10,
(1) the galvanized steel corrosion research suitable for different atmospheric environments, such as seaside atmosphere environment, industrial atmosphere, seashore industrial atmosphere
Galvanized steel corrosion behavior and corrosion resisting property evaluation etc. in environment;It (2) can be according to pollutant kind in different practical Service Environments
And concentration is prepared different corrosion simulated liquid and is tested, and reasonable test week can be formulated according to galvanized steel corrosion condition
Phase;(3) this experimental provision structure is simple, and experimental method is reliable, and step is reasonable, and repeatability is high, and strong operability is convenient and practical
The advantages of.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring device, which is characterized in that including cabin, weigh component, temperature control portion
Part, control wet end part, insulating part, galvanometer and processor;The cabin have monitoring chamber, the cabin have can open or
The coated window that person closes, the coated window are connected to the monitoring chamber;
The weighing component is located at the intracavitary quality with for weighing measuring probe of monitoring, and the weighing component is connected to institute
State processor;The temperature-control units are connected to the cabin for adjusting the intracavitary temperature of the monitoring, the temperature-control units
It is connected to the processor;The control wet end part is connected to the cabin for adjusting the intracavitary humidity of the monitoring;
The insulating part is for made of the fixed first electrode using measuring probe made of galvanized steel and galvanized steel matrix steel
Second electrode has interval, one end of the first electrode and described second between the first electrode and the second electrode
One end of electrode is concordant with an end face of the insulating part, and the end face of the insulating part forms coated side;Described first
The other end of electrode and the other end of the second electrode are connected to the galvanometer, and the galvanometer is connected to described
Processor.
2. galvanized steel atmospheric corrosion Behavior modeling monitoring device according to claim 1, which is characterized in that the weighing portion
Part has pallet, electronic balance, and the pallet is intracavitary to be used to place for the measuring probe positioned at the monitoring, the electronics
Balance is located at outside the cabin and is connected to the pallet, and the electronic balance is also electrically connected at the processor.
3. a kind of galvanized steel atmospheric corrosion Behavior modeling monitoring method, which comprises the steps of:
By temperature-control units, control wet end part distinguish the indoor temperature of adjusting cabin, humidity to temperature, the humidity in the environment of simulation
Unanimously;
Measuring probe is prepared, wherein measuring probe has is made of first electrode made of galvanized steel and galvanized steel matrix steel
Second electrode, by measuring probe be placed in weigh component on, weigh component weigh the measuring probe initial mass and should
Initial mass is sent to processor;
Corrosion simulated liquid is coated in the coated side of measuring probe, the weighing component weighs the measuring probe and the corruption
It loses the merged-quality of simulated solution and the merged-quality is sent to the processor, the processor calculates the corrosion simulated liquid
Quality;
With the volatilization of the corrosion simulated liquid, the weighing component records the measuring probe and the corruption every the unit time
Lose the merged-quality of simulated solution, the processor calculates the quality of the corrosion simulated liquid described in the unit time to obtain the corruption
Lose the mass change of simulated solution;Galvanometer detection electric current indicate the corrosion simulated liquid by the first electrode of the measuring probe with
Second electrode conducting, the galvanometer is by the current transmission to the processor, when electric current is not detected in galvanometer, indicates institute
Corrosion simulated liquid is stated to be evaporated completely;
It coats on the corrosion simulated liquid to the measuring probe repeatedly, is recycled with this;
The processor draws the electric current evolution curve after repeatedly coating;The processor is according to the area of coated side and described
The mass change of corrosion simulated liquid calculates caustic concentrations variation in the corrosion simulated liquid;It is on active service according to galvanized steel is practical
Corresponding relationship in environment in pollutant index and the corrosion simulated liquid between corrosive component concentration predicts practical military service ring
The corrosion variation tendency of galvanized steel in border.
4. galvanized steel atmospheric corrosion Behavior modeling monitoring method according to claim 3, which is characterized in that the corrosion mode
Quasi- coated weight of the liquid in the coated side is 40 μ L/cm2。
5. galvanized steel atmospheric corrosion Behavior modeling monitoring method according to claim 3, which is characterized in that further include as follows
Step: the measuring probe is in the wetting stage after coating the primary corrosion simulated liquid on the measuring probe, until institute
It states corrosion simulated liquid and is evaporated completely the rear measuring probe and enter drying stage, the time of primary wetting stage and drying stage is
12h。
6. galvanized steel atmospheric corrosion Behavior modeling monitoring method according to claim 5, which is characterized in that further include as follows
Step: the primary corrosion simulated liquid is coated on the measuring probe after the corrosion simulated liquid is evaporated completely, described
On measuring probe coat deionized water and until the deionized water volatilize completely, coat deionized water on the measuring probe
The time volatilized to deionized water is 12 hours, and the number of deionized water coating is 4 times.
7. galvanized steel atmospheric corrosion Behavior modeling monitoring method according to claim 5, which is characterized in that first electricity
Pole and the second electrode all have multiple comb teeth and the first electrode and the second electrode are made to be in pectination, and described first
Multiple comb teeth of electrode and multiple comb teeth of the second electrode are interlaced.
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CN101017127A (en) * | 2007-02-10 | 2007-08-15 | 中国海洋大学 | Simultaneous testing method for metal atmospheric corrosion behavior and used device thereof |
JP2014238291A (en) * | 2013-06-06 | 2014-12-18 | 独立行政法人物質・材料研究機構 | Method of using acm sensor |
CN104634728A (en) * | 2015-02-09 | 2015-05-20 | 西安热工研究院有限公司 | Evaporator metal corrosion measurement system and method |
CN105606696A (en) * | 2015-12-17 | 2016-05-25 | 北京至感传感器技术研究院有限公司 | Oil liquid quality parameter detection method, sensor and on-line detection device |
CN105973794A (en) * | 2016-05-30 | 2016-09-28 | 中国科学院金属研究所 | Atmospheric corrosivity monitoring equipment |
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