CN113899681B - Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment - Google Patents
Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment Download PDFInfo
- Publication number
- CN113899681B CN113899681B CN202110733669.1A CN202110733669A CN113899681B CN 113899681 B CN113899681 B CN 113899681B CN 202110733669 A CN202110733669 A CN 202110733669A CN 113899681 B CN113899681 B CN 113899681B
- Authority
- CN
- China
- Prior art keywords
- weather
- rust layer
- nahso
- solution
- bridge steel
- 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.)
- Active
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The application relates to the technical field of stable rust layer inspection of weather-proof bridge steel, in particular to an evaluation method of a stable rust layer of weather-proof bridge steel in an industrial atmospheric environment. By NaHSO 3 Soaking and adsorbing test, counting with multiple groups of test data of samples with different concentrations, analyzing protection factors, and collecting the test data with NaHSO 3 The concentration C of the solution is on the abscissa, naHSO 3 And drawing a graph by taking the ratio C/theta of the solution concentration C to the protection factor theta as an ordinate, and taking the slope of the graph as an evaluation value of corrosion resistance of the rust layer, thereby effectively evaluating the corrosion resistance of the weather-resistant bridge steel in an industrial atmospheric environment. The test result shows that the evaluation method has the advantages of consistent law with the law of field exposure, short test period, simple and convenient operation, simple equipment and popularization significance.
Description
Technical Field
The application relates to the technical field of stable rust layer inspection of weather-resistant steel, in particular to an evaluation method of a stable rust layer of weather-resistant bridge steel in an industrial atmosphere environment, which is mainly applied to corrosion resistance evaluation and safety evaluation of the weather-resistant bridge steel.
Background
The bridge steel is exposed in natural environment for a long time, and corrosion of different degrees can generate corrosion damage of different degrees to the steel structural member, so that the safety, the reliability and the durability of the bridge steel are affected. In the atmosphere, the rust layer formed on the surface of the carbon steel is loose and has a large number of microcracks and hollows, so that the rust layer cannot play a good role in protection. And a compact rust layer is formed on the surface of the weathering steel, so that the entry of corrosive media can be prevented, and the atmospheric corrosion resistance performance has obvious advantages compared with carbon steel. The bare steel is the most outstanding advantage of the weather-proof bridge steel, is the most common use method, and can exert the benefit of the weather-proof bridge steel to the greatest extent. The stability of the weather-proof bridge steel rust layer in the natural environment is a decisive factor for the corrosion resistance of the weather-proof bridge steel rust layer.
The atmospheric corrosion speed of the weather-resistant bridge steel is closely related to the atmospheric environment in which the weather-resistant bridge steel is positioned. Different pollutants in the atmosphere have different effects on the corrosion rate of steel. SO in industrial atmosphere 2 The influence of salt particles in the ocean atmosphere on the steel corrosion speed is the greatest, and the steel corrosion rate is very low in a pure rural atmosphere environment.
The current evaluation methods for evaluating the stability of the weather-proof bridge steel rust layer mainly comprise a visual inspection method, an adhesive tape adhesion test method, a peri-immersion corrosion test method and the like, wherein the visual inspection method and the adhesive tape adhesion test method are used for evaluating the surface property of the weather-proof bridge steel rust layer, the calculated corrosion rate is the corrosion rate of a matrix, the corrosion resistance of the rust layer cannot be directly evaluated according to different corrosion environments, and the peri-immersion corrosion time period is too long and the operation is complicated.
Disclosure of Invention
Aiming at the evaluation problem of a stable rust layer of weather-proof bridge steel in an actual application environment, the application aims to provide an evaluation method of the stable rust layer of the weather-proof bridge steel in an industrial atmosphere environment, and solves the problems that the corrosion resistance of the weather-proof bridge steel rust layer is difficult to evaluate and the like in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
a method for evaluating a stable rust layer of weather-resistant bridge steel in an industrial atmospheric environment comprises the following specific steps:
(1) Taking a plurality of groups of weather-proof bridge steels with rust layers, which have the same specification, size and component system, as a sample to be tested, cleaning, drying the rust layers for later use, and recording the original weight of the bridge steelsIs m 0 ；
(2) The plurality of groups of weather-proof bridge steel samples are subjected to NaHSO at room temperature and different concentrations 3 Soaking test in solution, wherein each group of samples corresponds to NaHSO with one concentration 3 Solutions, naHSO of each group 3 The concentration of the solution is increased in a certain range, the test time is 24-72 hours, meanwhile, a weather-proof bridge steel sample with a rust layer, which is the same as the standard size and the component system of the sample to be tested, is taken as a comparison sample, and the soaking test is carried out according to the same conditions, except that the soaking solution is replaced by deionized water, and the NaHSO is prepared by 3 Preparing a solution by using deionized water;
(3) Taking out the sample to be tested after the test and weighing, wherein the mass is recorded as m i Its rust layer pollutant adsorption quantity a i ＝m i -m 0 The mass of the comparative sample is denoted as m c Adsorption amount of rust layer solution a c ＝m c -m 0 ；
(4) The sample to be measured and the comparative sample are simultaneously placed in an oven for drying and then weighed, and the mass of the sample to be measured is recorded as n i B is then i ＝m i -n i For the desorption amount of the rust layer pollutant, the mass of the recorded comparison sample is n c B is then c ＝m c -n c Desorbing the rust layer solution;
(5) Calculating NaHSO of each group of weather-proof bridge steel test samples at respective corresponding concentrations 3 Rust layer protection factor theta after soaking in solution i ＝(a i -b i )/(a c -b c )；
(6) Assuming that the above corrosion-drying process is compatible with Langmuir adsorption with NaHSO 3 The concentration C of the solution is on the abscissa (unit: mol/L), naHSO 3 The ratio C/theta of the solution concentration C to the protection factor theta is a graph drawn on an ordinate (unit: mol/L), the slope of the graph is the corrosion resistance factor R of the weather-resistant bridge steel rust layer, and the linearization equation is as follows: c/θ=f/r+fc, where f is a correction coefficient, and corrosion resistance of the weather-resistant bridge steel rust layer to be measured is evaluated by using corrosion resistance factor R, and the greater the R value, the better the corrosion resistance.
Preferably, in the step (2)，NaHSO 3 The concentration of the solution is in the range of 0.01-0.03mol/L.
Preferably, in the step (2), at least 3 NaHSO with different concentrations are selected 3 The solutions are tested, more preferably 4-5.
Preferably, the drying in the step (4) is: drying at 50℃for 24h.
The evaluation method of the application can be used for evaluating the stable rust layer of the weather-resistant bridge steel and other weather-resistant steel.
The beneficial effects of the application are as follows:
the application provides a method for evaluating a stable rust layer of weather-resistant bridge steel in an industrial atmospheric environment, which comprises the steps of carrying out a soaking adsorption test according to the corrosion characteristics of the industrial atmospheric environment, carrying out statistical analysis on protective factors by using a plurality of groups of test data with different concentrations, and using NaHSO 3 The concentration C of the solution is on the abscissa, naHSO 3 And drawing a graph by taking the ratio C/theta of the solution concentration C to the protection factor theta as an ordinate, and taking the slope of the graph as an evaluation value of corrosion resistance of the rust layer, thereby effectively evaluating the corrosion resistance of the weather-resistant bridge steel in an industrial atmospheric environment. The test result shows that the evaluation method has the advantages of consistent law with the law of field exposure, short test period, simple and convenient operation, simple equipment and popularization significance.
Drawings
FIG. 1 shows NaHSO of example 1 3 Ratio C/theta of solution concentration to protective factor with NaHSO 3 Graph of the concentration C change of the solution.
FIG. 2 is NaHSO of example 2 3 Ratio C/theta of solution concentration to protective factor with NaHSO 3 Graph of the concentration C change of the solution.
Detailed Description
In order to better explain the present application, the following technical solutions are described in detail with reference to specific examples, but the present application is not limited to the following examples.
NaHSO was prepared with deionized water in the following examples 3 A solution.
Example 1 evaluation method of corrosion resistance of rust layer of weather-resistant bridge steel sample (345 MPa level) of different component systems, the specific evaluation method is as follows:
(1) Cleaning a weather-resistant bridge steel belt rust sample to be tested, drying a rust layer on the surface of the sample for later use, wherein the sample is divided into a sample (1 #) to be tested and a comparative sample (1 #), and the original weights of the sample are recorded to be m 0 ；
(2) Soaking the sample to be tested of the weather-proof bridge steel rust layer at 25 ℃ to test, wherein NaHSO is adopted 3 Solution simulation industrial atmosphere environment, naHSO 3 The concentration of the solution is 0.01mol/L, the soaking solution of the comparative sample is deionized water, and the test time is 48 hours;
(3) Taking out the test sample and the comparison sample after the test, weighing each sample, and recording the mass of the test sample as m i (m c For comparison of the mass of the samples), a) i ＝m i -m 0 A, for the pollutant adsorption quantity of rust layer of the sample to be tested c ＝m c -m 0 The adsorption amount of the rust layer solution of the comparative sample;
(4) The two samples are placed in an oven to be dried for 24 hours at 50 ℃ and then weighed, and the mass of the sample to be measured is recorded as n i B is then i ＝m i -n i For the desorption amount of the rust layer pollutant, the mass of the recorded comparison sample is n c B is then c ＝m c -n c Desorbing the pollutant in the rust layer;
(5) Calculating the protection factor theta of the rust layer of the sample to be tested of the weather-resistant bridge steel 1 ＝(a i -b i )/(a c -b c )；
(6) Changing NaHSO in the above step 3 The solution concentrations are 0.015, 0.05, 0.025 and 0.03mol/L respectively, and the test steps are repeated by using other 4 No. 1 test samples to obtain the protection factor theta 2 -θ 5 ；
(7) Assuming that the above corrosion-drying process is compatible with Langmuir adsorption with NaHSO 3 The ratio C/theta of the solution concentration C to the protection factor theta is the ordinate (unit: mol/L), naHSO 3 The concentration C of the solution is plotted on the abscissa (unit: mol/L),the slope of the curve is the corrosion resistance factor R of the weather-resistant bridge steel rust layer, and the linearization equation is as follows: c/θ=f/r+fc, where f is a correction coefficient, and substituting the test result into corrosion resistance factors of different weather-proof bridge steel samples, so as to evaluate corrosion resistance of the weather-proof bridge steel rust layer, and comparing the result with a result of one year of field hanging of the same steel grade in an industrial atmospheric environment.
(8) And selecting two weather-resistant bridge steel belt rust samples 2# and 3# which have the same specification and size as the test samples and are different in component systems, cleaning and drying the surface rust layers of the samples, and performing corresponding tests according to the steps (1) - (7). As shown in fig. 1 and table 1, the precision value of each experimental curve fitting was above 0.9:
table 1 comparison of test results of weather-resistant bridge steel samples of different composition systems
As can be seen from Table 1, the rust layer corrosion resistance factor R of sample # 1 was the greatest by the evaluation method of the present application, indicating that it was found to be in NaHSO 3 The protection performance in the solution is best, and the test evaluation result of the application is consistent with the field hanging piece corrosion test result.
Example 2 evaluation method of rust layer corrosion resistance of a weather-resistant bridge steel sample (345 MPa level) for stabilization treatment of different rust layers by the same component system, the specific evaluation method is as follows:
(1) Cleaning a weather-resistant bridge steel belt rust sample to be tested, drying a rust layer on the surface of the sample for later use, wherein the sample is divided into 5 samples (No. 4) to be tested and a comparative sample (No. 4) by taking 6 samples with the same size, and the original weights of the samples are recorded to be m 0 ；
(2) Soaking the sample to be tested of the weather-proof bridge steel rust layer at 25 ℃ to test, wherein NaHSO is adopted 3 Solution simulation industrial atmosphere environment, naHSO 3 The solution concentration is 0.01mol/L, the soaking solution of the comparative sample is deionized water, and the test time is 48 hours;
(3) Taking out the sample to be tested and the comparative sample after the testThe mass of the test sample is recorded as m i (m c For comparison of the mass of the samples), a) i ＝m i -m 0 A, for the pollutant adsorption quantity of rust layer of the sample to be tested c ＝m c -m 0 The adsorption amount of the rust layer solution of the comparative sample;
(4) The two samples are placed in an oven to be dried for 24 hours at 50 ℃ and then weighed, and the mass of the sample to be measured is recorded as n i B is then i ＝m i -n i Recording the mass of the comparative sample as nc for the desorption amount of the rust layer pollutant, b c ＝m c -n c Desorbing the pollutant in the rust layer;
(5) Calculating the protection factor theta of the rust layer of the sample to be tested of the weather-resistant bridge steel 1 ＝(a i -b i )/(a c -b c )；
(6) Changing NaHSO in the above step 3 The solution concentrations are respectively 0.015, 0.05, 0.025 and 0.03mol/L, and the test steps are repeated to obtain the protection factor theta 2 -θ 5 ；
(7) Assuming that the above corrosion-drying process is compatible with Langmuir adsorption with NaHSO 3 The ratio C/theta of the solution concentration C to the protection factor theta is the ordinate (unit: mol/L), naHSO 3 The concentration C of the solution is plotted on the abscissa (unit: mol/L), the slope of the curve is the corrosion resistance factor R of the weather-resistant bridge steel rust layer, and the linearization equation is as follows: c/θ=f/r+fc, where f is a correction coefficient, and substituting the test result into corrosion resistance factors of different weather-proof bridge steel samples, so as to evaluate corrosion resistance of the weather-proof bridge steel rust layer, and comparing the result with a result of 3 months of on-site hanging of the same steel grade in an industrial atmospheric environment.
(8) Then selecting two weather-resistant bridge steel belt rust samples 5# and 6# which have the same specification and size as the test samples and the same component system, cleaning and drying the rust layers on the surfaces of the samples, and performing corresponding tests according to the steps (1) - (7) respectively, wherein the difference is that: enabling the surface of the sample No. 5 to be accelerated to form a stable rust layer by adopting a periodical watering mode, and then carrying out the step (2) and the subsequent steps; the 6# sample is coated with a self-grinding rust layer stabilizing treatment agent on the surface to accelerate the formation of a stable rust layer, and then the step (2) and the subsequent steps are carried out. As shown in fig. 2 and table 2, the precision value of each experimental curve fitting was 0.9 or more:
table 2 comparison of test results of weather-resistant bridge steel samples of different composition systems
By the method, the sample rust layer treated by the rust layer stabilizing treatment agent No. 6 has the best protection performance, the rust layer formed in the same time has better protection performance, and the test evaluation result is consistent with the field hanging piece corrosion test result.
The results of examples 1 and 2 show that the method for evaluating the stable rust layer of the weather-resistant bridge steel adopted by the application can accurately evaluate the rust layer protection performance of the weather-resistant bridge steel in an industrial atmospheric environment.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application.
Claims (5)
1. A method for evaluating a stable rust layer of weather-resistant bridge steel in an industrial atmospheric environment comprises the following specific steps:
(1) Taking a plurality of groups of weather-proof bridge steels with the same specification, size and component system as test samples, cleaning, drying rust layers for standby, and recording the original weight of the rust layers as m 0 ；
(2) The plurality of groups of weather-proof bridge steel samples in the step (1) are subjected to NaHSO with different concentrations at room temperature 3 Soaking test in solution, wherein each group of samples corresponds to NaHSO with one concentration 3 Solutions, naHSO of each group 3 The concentration of the solution is increased in a certain range, the test time is 24-72 hours, naHSO 3 The solution is prepared by deionized water, meanwhile, a weather-proof bridge steel sample with a rust layer, the specification and the size of which are the same as those of the sample to be tested, and the component system are taken as a comparison sample, and soaking tests are carried out according to the same conditions, and the difference is thatThe soaking solution is replaced by deionized water;
(3) Taking out the sample to be tested after the soaking test is finished, weighing, and marking the mass as m i Its rust layer pollutant adsorption quantity a i ＝m i -m 0 The mass of the comparative sample is denoted as m c Adsorption amount of rust layer solution a c ＝m c -m 0 ；
(4) The sample to be measured and the comparative sample are simultaneously placed in an oven for drying and then weighed, and the mass of the sample to be measured is recorded as n i B is then i ＝m i -n i For the desorption amount of the rust layer pollutant, the mass of the recorded comparison sample is n c B is then c ＝m c -n c Desorbing the rust layer solution;
(5) Calculating NaHSO of each group of weather-proof bridge steel test samples at respective corresponding concentrations 3 Rust layer protection factor theta after soaking in solution i ，θ i ＝(a i -b i )/(a c -b c )；
(6) Assuming that the above corrosion-drying process is compatible with Langmuir adsorption with NaHSO 3 The concentration C of the solution is on the abscissa, naHSO 3 The ratio C/theta of the solution concentration C to the protection factor theta is plotted as an ordinate, and the linearization equation is as follows: c/θ=f/r+fc, where f is a correction coefficient, R is a corrosion resistance factor of the weather-resistant bridge steel rust layer, and the corrosion resistance of the weather-resistant bridge steel rust layer to be measured is evaluated by using the corrosion resistance factor R, and the greater the R value, the better the corrosion resistance.
2. The method according to claim 1, wherein in the step (2), naHSO 3 The concentration of the solution is in the range of 0.01-0.03mol/L.
3. The method according to claim 1, wherein in the step (2), at least 3 NaHSO with different concentrations are selected 3 The solution was tested.
4. The method of evaluating according to claim 1, wherein the drying in the step (4) is: drying at 50℃for 24h.
5. Use of the evaluation method according to any one of claims 1 to 4 for evaluating a weathering steel stable rust layer of a non-bridge steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733669.1A CN113899681B (en) | 2021-06-30 | 2021-06-30 | Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733669.1A CN113899681B (en) | 2021-06-30 | 2021-06-30 | Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113899681A CN113899681A (en) | 2022-01-07 |
| CN113899681B true CN113899681B (en) | 2023-10-20 |
Family
ID=79187534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110733669.1A Active CN113899681B (en) | 2021-06-30 | 2021-06-30 | Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113899681B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002236121A (en) * | 2001-02-06 | 2002-08-23 | Nkk Corp | Method for diagnosing stabilization of rust |
| CN101509861A (en) * | 2009-03-31 | 2009-08-19 | 北京科技大学 | Judgement method for protective capability of weathering steel rust layer |
| CN102207446A (en) * | 2010-03-31 | 2011-10-05 | 中广核工程有限公司 | Test method for simulating corrosion course of low alloy steel under marine industrial atmospheric environment |
| CN106841027A (en) * | 2017-03-02 | 2017-06-13 | 河钢股份有限公司 | The detection of simulation accelerated metal material acidic atmosphere environmental corrosion and evaluation method |
| CN108103545A (en) * | 2018-03-05 | 2018-06-01 | 宝鸡文理学院 | A kind of environmental type nano thin-film and its application in the anti-corrosion field of metal |
| CN112394025A (en) * | 2020-12-07 | 2021-02-23 | 国网福建省电力有限公司 | Rapid evaluation method for performance of weather-resistant steel rust layer for transmission tower in industrial atmospheric environment |
-
2021
- 2021-06-30 CN CN202110733669.1A patent/CN113899681B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002236121A (en) * | 2001-02-06 | 2002-08-23 | Nkk Corp | Method for diagnosing stabilization of rust |
| CN101509861A (en) * | 2009-03-31 | 2009-08-19 | 北京科技大学 | Judgement method for protective capability of weathering steel rust layer |
| CN102207446A (en) * | 2010-03-31 | 2011-10-05 | 中广核工程有限公司 | Test method for simulating corrosion course of low alloy steel under marine industrial atmospheric environment |
| CN106841027A (en) * | 2017-03-02 | 2017-06-13 | 河钢股份有限公司 | The detection of simulation accelerated metal material acidic atmosphere environmental corrosion and evaluation method |
| CN108103545A (en) * | 2018-03-05 | 2018-06-01 | 宝鸡文理学院 | A kind of environmental type nano thin-film and its application in the anti-corrosion field of metal |
| CN112394025A (en) * | 2020-12-07 | 2021-02-23 | 国网福建省电力有限公司 | Rapid evaluation method for performance of weather-resistant steel rust layer for transmission tower in industrial atmospheric environment |
Non-Patent Citations (3)
| Title |
|---|
| [HMIM]BF_4对盐酸中A3和HP13Cr钢的缓蚀行为;薛娟琴;胡波;唐长斌;于丽花;张耀;;材料保护(第02期);第38-43页 * |
| Modeling Arsenite Adsorption on Rusting Metallic Iron;Susmita Roy等;JOURNAL OF ENVIRONMENTAL ENGINEERING;第136卷;第405-411页 * |
| 一种中性介质缓蚀剂的合成与性能评价;程鹏等;腐蚀与防护;第35卷;第183-186页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113899681A (en) | 2022-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110823792A (en) | Method for evaluating service life of low-alloy corrosion-resistant steel in atmospheric corrosion | |
| CN111626624B (en) | Air quality improvement evaluation method | |
| Qian et al. | The influence of chromium content on the electrochemical behavior of weathering steels | |
| CN105699280A (en) | Method for simulating corrosion of weathering resistant steel in high-moist-heat marine atmosphere | |
| CN111504816A (en) | Marine atmospheric environment-tensile load dynamic loading coupling test and evaluation method | |
| CN112394025A (en) | Rapid evaluation method for performance of weather-resistant steel rust layer for transmission tower in industrial atmospheric environment | |
| CN112394024A (en) | Rapid evaluation method for performance of weather-resistant steel rust layer for transmission tower in coastal atmospheric environment | |
| CN105277479A (en) | Corrosion simulation method and corrosion resistance evaluation method of galvanized steel coating in sea atmospheric environment | |
| CN113899681B (en) | Evaluation method for stable rust layer of weather-resistant bridge steel in industrial atmospheric environment | |
| CN112414931A (en) | Test method for corrosion resistance of galvanized steel sheet under simulated environment | |
| CN113390782B (en) | Method for evaluating weather-resistant bridge steel stable rust layer in high-salinity marine atmospheric environment | |
| Kreislova et al. | Indoor corrosivity in Klementinum baroque library hall, Prague | |
| Haynie et al. | Effects of gaseous pollutants on materials: a chamber study | |
| CN108037062B (en) | Method for evaluating protective capacity of weathering steel rust layer | |
| Gil et al. | Indoor atmospheric corrosion of electronic materials in tropical-mountain environments | |
| Zhao et al. | Prevention of stack corrosion under wet flue gas desulfurization conditions in a coal-fired power plant: performance analysis and comparative study | |
| CN111487185A (en) | Method for simulating atmospheric corrosion process of galvanized steel | |
| CN114076731B (en) | Dynamic environment spectrum design method and system for high-speed train electrical cabinet coating | |
| CN108535177A (en) | A kind of accelerated test method that simulation hot-galvanized steel corrodes under the industrial atmosphere of inland | |
| Barone et al. | Characterizing the performance of surface modifications that enhance sensitivity, reliability, reproducibility and accuracy of analytical instruments | |
| Fujii et al. | Atmospheric Corrosivity Estimation at Electrical Control Unit Room by Multichannel Quartz Crystal Microbalance Corrosion Sensors | |
| Zhao et al. | An experimental study on the behavior deterioration trend of friction pendulum bearings with corrosion time for offshore isolated bridges | |
| CN115656026A (en) | Atmospheric corrosion acceleration test method for metal material for simulation power grid | |
| CN115855791A (en) | Calculation method and device for corrosion test conditions | |
| Abdul-Wahab | Effect of air pollution on atmospheric corrosion of engineering metals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |