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Evaluation of Metallic coatings as related to their corrosion Resistance. A Review 与金属涂层耐腐蚀性相关的金属涂层评估。综述
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90077-3
A. Mercer
{"title":"Evaluation of Metallic coatings as related to their corrosion Resistance. A Review","authors":"A. Mercer","doi":"10.1016/0390-6035(82)90077-3","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90077-3","url":null,"abstract":"<div><p>An important difference between metallic and nonmetallic coatings is that the former can significantly affect the corrosion behaviour of the coated metal at sites where the coating is incomplete or damaged whereas generally organic coatings have no such effect. Metallic coatings afect the behaviour of the basis metal because an electrolytic cell is established in which either the basis or the coating metal will act as an anode and corrode at an enhanced rate. When the coating is the anode the basis metal will form the cathode and usually will corrode at a lower rate than in the complete absence of the coating. However, it is well known that simple considerations of anodic and cathodic behaviour do not explain all the phenomena involved in the corrosion and protection of metal coated metals. Other factors of importance include the formation of insoluble corrosion products and the influence of time and temperature on this process, the electrochemical polarisation behaviour of the metals, and the nature of the corrosive or inhibitive environment. The uses and properties of some types of metal coatings will be described in relation to these factors and the implication of these to test methods discussed. One particular system viz. galvanised steel in water containing a corrosion inhibitor will be described in more detail in terms of electrochemical behaviour.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Page 163"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90077-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An impedance test of the performance of primers 底漆性能的阻抗测试
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90080-3
T. Garai, L. Mészáros, F. Jánaszik
{"title":"An impedance test of the performance of primers","authors":"T. Garai, L. Mészáros, F. Jánaszik","doi":"10.1016/0390-6035(82)90080-3","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90080-3","url":null,"abstract":"","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"1 1","pages":"195-197"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82769172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical test methods for the protective power control of painted steel surfaces 涂漆钢表面保护功率控制的电化学试验方法
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90083-9
G. Cerisola, P.L. Bonora
{"title":"Electrochemical test methods for the protective power control of painted steel surfaces","authors":"G. Cerisola,&nbsp;P.L. Bonora","doi":"10.1016/0390-6035(82)90083-9","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90083-9","url":null,"abstract":"<div><p>In order to provide further evidence concerning the reliability of predicting relative protective performances of metal organic coatings by using electrochemical testing methods, some experimental results, obtained with such an approach, are shown.</p><p>The methods are based on Ecorr/time, polarization and polarization resistance measurements on samples immersed in a corrosive medium.</p><p>The results concern with different type of metallic materials coated with electrophoresis techniques.</p><p>Adhesion, hardness, abrasion resistance data are also given; the comparison between traditional checking tests and the electrochemical ones is discussed.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Pages 241-248"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90083-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of chromate coatings by means of electrode impedance measurements 用电极阻抗法研究铬酸盐涂层
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90079-7
B. Lengyel , Zs. Baróti-Lábár , R. Kahán
{"title":"Study of chromate coatings by means of electrode impedance measurements","authors":"B. Lengyel ,&nbsp;Zs. Baróti-Lábár ,&nbsp;R. Kahán","doi":"10.1016/0390-6035(82)90079-7","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90079-7","url":null,"abstract":"<div><p>The corrosion resistance of chromate layers on zinc sheet was studied by electrode impedance measurements in 0.1 mol/1 NaClO<sub>4</sub> solutions. A correlation was found to exist between the inhomogeneity and corrosion protection of the chromate layers and impedance data measured at different spots of the specimen. The results of impedance measurements and humidity tests agreed within the experimental error.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Pages 183-193"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90079-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Electrochemical test methods for the protective power control of painted steel surfaces 涂漆钢表面保护功率控制的电化学试验方法
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90083-9
G. Cerisola, P. Bonora
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引用次数: 0
An assessment of A/C impedance as a basic research and routine testing method for studying corrosion of metals under paint films 作为研究金属在漆膜下腐蚀的基础研究和常规测试方法的A/C阻抗评估
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90081-5
T.A. Strivens, C.C. Taylor
{"title":"An assessment of A/C impedance as a basic research and routine testing method for studying corrosion of metals under paint films","authors":"T.A. Strivens,&nbsp;C.C. Taylor","doi":"10.1016/0390-6035(82)90081-5","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90081-5","url":null,"abstract":"<div><p>A brief survey is given of electrochemical test methods available for testing the protective properties of paint and other organic coatings over metals in corrosive environments, so as to establish the reasons for choosing A/C impedance as a method for both basic research and routine testing work.</p><p>A description is given of the technique and the apparatus used. For research purposes, a transfer function analyser (TFA) is used to apply a small amplitude a/c signal to a cell containing the painted test panel in a corrosive liquid (3.5% aqueous sodium chloride solution as standard). The apparatus automatically programmes a frequency sweep between 10 KHz and 10 mHz and analysesthe response and presents the results as Nyquist or Bode plots. Typical results for studies on a series of epoxy resin paints are presented. Results are also presented showing the use of a commercially available A/C impedance meter for use as a routine testing instrument, as well as studies on damaged paint systems (scribed paint panels).</p><p>Finally, an assessment is given of our experience with A/C impedance as both a background research and a routine testing technique for monitoring corrosion of metals under paint films.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Pages 199-220"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90081-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Electrolyte permeation through photo-cured acrylic polymers on steel as related to corrosion of the substrate 电解液通过光固化丙烯酸聚合物在钢上的渗透与基材的腐蚀有关
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90086-4
I. R. Bellobono, M. Zaninelli, E. Selli, B. Marcandalli
{"title":"Electrolyte permeation through photo-cured acrylic polymers on steel as related to corrosion of the substrate","authors":"I. R. Bellobono, M. Zaninelli, E. Selli, B. Marcandalli","doi":"10.1016/0390-6035(82)90086-4","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90086-4","url":null,"abstract":"","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"36 1","pages":"277-284"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74704727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An assessment of A/C impedance as a basic research and routine testing method for studying corrosion of metals under paint films A/C阻抗评估是研究金属漆膜腐蚀的基础研究和常规测试方法
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90081-5
T. Strivens, C. Taylor
{"title":"An assessment of A/C impedance as a basic research and routine testing method for studying corrosion of metals under paint films","authors":"T. Strivens, C. Taylor","doi":"10.1016/0390-6035(82)90081-5","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90081-5","url":null,"abstract":"","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"80 1","pages":"199-220"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89565919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
A simple method for the determination of coating thickness of galvanized steel 一种测定镀锌钢镀层厚度的简便方法
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90087-6
R.M Saleh, F.M.Abdel Wahab, M.M Badran, A.A El Hosary
{"title":"A simple method for the determination of coating thickness of galvanized steel","authors":"R.M Saleh,&nbsp;F.M.Abdel Wahab,&nbsp;M.M Badran,&nbsp;A.A El Hosary","doi":"10.1016/0390-6035(82)90087-6","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90087-6","url":null,"abstract":"<div><p>The dissolution of galvanized steel in acid solution was followed by thermometric, potential-time and weight loss techniques. In HCl and H<sub>2</sub>SO<sub>4</sub>, only the zinc coat is attacked, while in HNO<sub>3</sub>, curves representing stepwise dissolution of the coating layer and steel base are obtained. The time, t, required for complete dissolution of the zinc coat as measured by the three techniques is comparable.</p><p>Dissolution of steel pieces of different coating thickness has been examine in 1 M H<sub>2</sub>SO<sub>4</sub> by the thermometric method. Starting from the initial temperature, T<sub>i</sub>, t, then temperature of the system rises to attain a maximum value, T<sub>m</sub>, after a time, t, then decreases. Up to 6 g/dm<sup>2</sup> coating thickness, both <em>Δ</em>T(T<sub>m</sub> − T<sub>i</sub>) and t vary linearly with coating thickness. The results suggest the thermometric method for the determination of coating thickness of galvanized steel.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Page 285"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90087-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical test methods for the development of coated steels with improved corrosion resistance practical application to food packaging and automotive industry products 改进耐腐蚀涂层钢开发的电化学试验方法在食品包装和汽车工业产品中的实际应用
Materials Chemistry Pub Date : 1982-03-01 DOI: 10.1016/0390-6035(82)90082-7
N. Azzerri, R. Bruno, V. Ferrari, M. Memmi, L. Splendorini
{"title":"Electrochemical test methods for the development of coated steels with improved corrosion resistance practical application to food packaging and automotive industry products","authors":"N. Azzerri,&nbsp;R. Bruno,&nbsp;V. Ferrari,&nbsp;M. Memmi,&nbsp;L. Splendorini","doi":"10.1016/0390-6035(82)90082-7","DOIUrl":"https://doi.org/10.1016/0390-6035(82)90082-7","url":null,"abstract":"<div><p>The selection and development of electrochemical test methods for the assessment and improvement of protective properties of coatings are performed currently at CSM.</p><p>Examples of application of electrochemical test methods for the evaluation, research and development of tinplate for food containers and of painted steel sheets for car bodies are given.</p></div>","PeriodicalId":18221,"journal":{"name":"Materials Chemistry","volume":"7 2","pages":"Pages 221-239"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0390-6035(82)90082-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72118746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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