Micro and macro analysis of high build solventless organic coating (accelerated) after cathodic disbondment / Buddhadeb Duari in PAINTINDIA, Vol. LXII, N° 12 (12/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 12 (12/2012) . - p. 62-64 Titre : Micro and macro analysis of high build solventless organic coating (accelerated) after cathodic disbondment Type de document : texte imprimé Auteurs : Buddhadeb Duari, Auteur ; Rajib Dey, Auteur ; Bimal Chaudhuri, Auteur ; Amitava Pal, Auteur Année de publication : 2012 Article en page(s) : p. 62-64 Langues : Anglais (eng) Catégories : Anticorrosion Décollement cathodique (revêtement) Essais (technologie) Essais accélérés (technologie) Essais de brouillard salin Revêtements -- Détérioration Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Different organic coating material vis high build epoxy, coal tar epoxy, polyurethane, glass flake epoxy, concrete coating, cold dip galvanizing applied on steel plate are subjected to salt spray test as per ASTO B117 for 2000 hrs and then cathodic disbondment test as per ASTM G8. Further metal beneath cathodic disbondment (caused due to blistering) are under microscope to find out type of corrosion and list them from minimum to worst. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17171 [article]

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Microbial corrosion of pipeline coating material / Dhurjoti Banerjee in PAINTINDIA, Vol. LXIV, N° 11 (11/2014)  

[article]  inPAINTINDIA > Vol. LXIV, N° 11 (11/2014) . - p. 98-103 Titre : Microbial corrosion of pipeline coating material Type de document : texte imprimé Auteurs : Dhurjoti Banerjee, Auteur ; Aparajita Majumder, Auteur ; Debasis Sarkar, Auteur ; Buddhadeb Durai, Auteur ; Rajib Dey, Auteur ; Bimal Chaudhuri, Auteur Année de publication : 2014 Article en page(s) : p. 98-103 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Corrosion microbienne Décollement cathodique (revêtement) Essais (technologie) Pipelines -- Corrosion Soufre Index. décimale : 667.9 Revêtements et enduits Résumé : Sulphur oxidizing reducing bacteria detoriates pipeline coating. Different tests like corrosion and cathodic disbondment tests in the laboratory to find the effect of sulphur oxidizing and sulphur reducing bacteria from these. Finally analysis of microbial corrosion of several pipeline coatings are carried out and results and interpreted on the basis corrosion analysis and cathodic disbondment tests and best pipeline coating material is ascertained. Note de contenu : - MATERIALS AND METHODS : Sample collection for detection of sulphur bacteria - Culture based detection of sulphur reducing bacteria in environmental samples - Culture based detection of thiobacillus thioparus in environmental samples - Culture based detection of thiobacillus thioxidans in environmental samples - Analysis of microbiological corrosion of corrosion resistant coatings - Cathodic disbondment test - RESULTS AND DISCUSSION : Culture based detection of sulphur reducing bacteria - Culture based protection detection of sulphur oxidizing bacteria - Microbiological corrosion of corrosion resistant coatings - Cathodic disbondment test En ligne : https://drive.google.com/file/d/1cSglqNcZCZ8IVq3bNKVKDj-d8vq3R5Xi/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22535 [article]

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Studies on the corrosion characteristics of a few coated reinforced TMT bars used in concrete structure / Dhurjoti Banerjee in PAINTINDIA, Vol. LXII, N° 4 (04/2012)

[article]  inPAINTINDIA > Vol. LXII, N° 4 (04/2012) . - p. 49-53 Titre : Studies on the corrosion characteristics of a few coated reinforced TMT bars used in concrete structure Type de document : texte imprimé Auteurs : Dhurjoti Banerjee, Auteur ; Buddhadeb Duari, Auteur ; Rajib Dey, Auteur ; Bimal Chaudhuri, Auteur ; Debasish Sarkar, Auteur Année de publication : 2012 Article en page(s) : p. 49-53 Langues : Anglais (eng) Catégories : Anticorrosion Barres d'armature Polyuréthanes Revêtements -- Corrosion Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : The corrosion behavior of coated reinforced TMT bars used in conjunction with concrete structure have been investigated individually and also with various conditions of coated contretes. Corrosion characteristics of the coated & uncoated materials were measured then potentiostatically. The Icorr & Ecorr values were calculated using Gamry Echem Software and Tafel's extrapolation methods. The measurements were made based on the principle of Evans diagram Icor is free corrosion current & if it is more, it is corroding faster. Ecorr value if less negative is more safer & if it tends to zero it is less corroding and at zero value there is no corrosion. If Ecorr value is positive then it is considered as nobler or getting protected. Comparing the results it has been observed that polyurethane coating in reinforced TMT bars seems to be a potential coating material for resistance corrosion. Note de contenu : - Sample preparation - Experiments - Processing of polarization data for the estimation of Ecorr & Icorr - Corrosion data of the specimens Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14750 [article]

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