Prospects for assessing the adhesive performance of coatings by non-destructive methods / J. A. Graystone in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 88, B3 (09/2005)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS > Vol. 88, B3 (09/2005) . - p. 163-170 Titre : Prospects for assessing the adhesive performance of coatings by non-destructive methods Type de document : texte imprimé Auteurs : J. A. Graystone, Auteur ; R. Kennedy, Auteur Année de publication : 2005 Article en page(s) : p. 163-170 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adhésion Contrôle non destructif Emission acoustique Interférométrie lasers Revêtements organiques Thermographie Tags : Formation  motif  Subsurface  Interférométrie  Thermographie  Emission  acoustique  Peinture  Propriété  surface  Adhérence  Essai  non  destructif  Revêtement  Performance  Etude  expérimentale Index. décimale : 667.9 Revêtements et enduits Résumé : Adequate adhesion is the sine qua non for good practical performance in surface coatings systems such as paint. By far the majority of tests used in the coatings industry are destructive and difficult to correlate with performance. Moreover, destructive tests are incompatible with best practice in inspection and quality control. A range of non-destructive testing techniques was appraised for their ability to investigate different types of coating failure involving adhesion. Three techniques were selected for preliminary investigation, namely acoustic emission, pulse thermography and laser interferometry. All three techniques were capable of investigating different aspects of adhesive failure. Pulse thermography could detect subsurface damage not apparent to visual inspection, and acoustic emission could, under some circumstances, give information of damage initiation prior to catastrophic failure. Electronic speckle pattern shearing interferometry (ESPSI) was also able to detect sub-surface damage, and showed promise of detecting differences in strain transfer prior to any detachment failure. Note de contenu : - DISCUSSION : Approaches to non-destructive testing of coatings - Summary of specific techniques - EXPERIMENTAL WORK AND PRACTICAL EVALUATION : Test panels - Evaluation of electronic speckle pattern shearing interferometry - Evaluation of pulse thermography - Acoustic emission - Table 1 : Summary of some methods for assessing adhesive performance non-destructively - Table 2 : Potential techniques for studying different types of coating adhesion problem in four major application areas - Table 3 : Pull-off and cross hatch results for various primed panels at two films thicknesses DOI : 10.1007/BF02699568 En ligne : https://link.springer.com/content/pdf/10.1007/BF02699568.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5411 [article]

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Statistical methods applied to field colonisation of coatings by fungi. Part 1 : Fungal growth rating by visual assessment / R. Kennedy in SURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL, Vol. 88, A10 (12/2005)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL > Vol. 88, A10 (12/2005) . - p. 394-400 Titre : Statistical methods applied to field colonisation of coatings by fungi. Part 1 : Fungal growth rating by visual assessment Type de document : texte imprimé Auteurs : R. Kennedy, Auteur ; W. R. Springle, Auteur Année de publication : 2005 Article en page(s) : p. 394-400 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Exterior protective coatings are used to prevent microbiological attack, disfigurement and degradation of structural substrates in service. Coating costs are minimal compared with the replacement costs once structural integrity is lost. The programmes of work described here addresses service performance assessments, aiming at improved longevity of antifungal coatings. En ligne : https://drive.google.com/file/d/1NwDZns7tP28fZg-zOezq6-GvAKPrcso7/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16391 [article]

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Statistical methods applied to field colonisation of coatings by fungi. Part 2 : Image analysis / R. Kennedy in SURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL, Vol. 89, A1 (01/2006)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL > Vol. 89, A1 (01/2006) . - p. 23-26 Titre : Statistical methods applied to field colonisation of coatings by fungi. Part 2 : Image analysis Type de document : texte imprimé Auteurs : R. Kennedy, Auteur ; W. R. Springle, Auteur Année de publication : 2006 Article en page(s) : p. 23-26 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Contruction materials are frequently painted with a surface coating to afford them protection against environmental degradation. Such coatings, are normally based on organic polymers, and in recent years, water-borne coating technology has predominated, making them prone to microbial spoilage. Note de contenu : - EXPERIMENTAL : Optical microscopy and image analysis - RESULTS AND DISCUSSION : Objective growth assessment - Comparison with visual fungal growth ratings - Development of fungal growth En ligne : https://drive.google.com/file/d/1blpj89KgRv0BMVR1wZNvUmvhEpe1nP7v/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16411 [article]

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Statistical methods applied to field colonisation of coatings by fungi. Part 3 : Ecology analysis / J. Kelley in SURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL, Vol. 89, A2 (03/2006)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART A : COATINGS JOURNAL > Vol. 89, A2 (03/2006) . - p. 91-95 Titre : Statistical methods applied to field colonisation of coatings by fungi. Part 3 : Ecology analysis Type de document : texte imprimé Auteurs : J. Kelley, Auteur ; R. Kennedy, Auteur ; G. Kinsey, Auteur ; W. R. Springle, Auteur Année de publication : 2006 Article en page(s) : p. 91-95 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : The move towards the use of water-borne technology for the coating of constructional materials in recent years has led to concerns about "in service" microbial spoilage. UK and European mould growth studies have typically employed the BS3900 : G6 visual fungal growth rating scale to visually assess the deteriorating appearance of coating surfaces-which tend to look dirtier as exposure time increases (dependent of course upon the test site environment). Note de contenu : - EXPERIMENTAL : Isolation techniques - Contact plating - Swab plating and dilution plating - Surface sterilisation - Homogeneisation - Treatment of results - Chi-squared analysis - RESULTS AND DISCUSSION : Effect of sampling methods - Effect of culture media - Effect of site on fungal ecology - Effect of biocide type and concentration on fungal ecology - Effect of month of exposure on fungal ecology - General observations on fungal ecology En ligne : https://drive.google.com/file/d/1B9wsE-h35Of9cR-_6UuhphoLXd6etOqi/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16413 [article]

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