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How to know that paint has dried / Charles S. Brown in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)
[article]
Titre : How to know that paint has dried Type de document : texte imprimé Auteurs : Charles S. Brown, Auteur Année de publication : 2016 Article en page(s) : p. 13-17 Langues : Américain (ame) Catégories : Qualité -- Contrôle
Revêtement -- Séchage:Peinture -- SéchageIndex. décimale : 667.6 Peintures Résumé : Painting a bridge or an industrial structure is an expensive operation. Now more than ever, state DOTs and facility owners are specifying warranties and application methods to ensure the longest possible life for their coatings. Determining what factors affect paint cure can help to achieve the optimum performance and provide the owner and contractor with fewer headaches down the road. As always, for any coating to be successful, a good specification, quality contactror, proper equipment and of course an effective inspection program are all necessary components Note de contenu : - Drying to the touch for solvent- and water-based coatings
- Hardening (dry to recoat)
- Cure (complete cure)
- How to check if yur paint is dry
- How to check if your paint is cured
- Temperature
- Humidity
- Blushing (amine sweating)
- Cratering
- Orange peel
- Wrinkling
- Blistering
- ThinningPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26835
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 33, N° 5 (05/2016) . - p. 13-17[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18124 - Périodique Bibliothèque principale Documentaires Disponible A hairy situation : coating failure in a 10 000 gallon shampoo tank / Warren Brand in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)
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Titre : A hairy situation : coating failure in a 10 000 gallon shampoo tank Type de document : texte imprimé Auteurs : Warren Brand, Auteur Année de publication : 2016 Article en page(s) : p. 20-26 Langues : Américain (ame) Catégories : Cosmétiques -- Appareils et matériels
Epoxydes
Expertises
Réservoirs (récipients) -- revêtements protecteurs
Revêtements -- Défauts
shampooingsIndex. décimale : 667.9 Revêtements et enduits Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26836
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 33, N° 5 (05/2016) . - p. 20-26[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18124 - Périodique Bibliothèque principale Documentaires Disponible painting bolted bridge connections / Kenneth A. Trimber in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)
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Titre : painting bolted bridge connections Type de document : texte imprimé Auteurs : Kenneth A. Trimber, Auteur Année de publication : 2016 Article en page(s) : p. 34-43 Langues : Américain (ame) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique.
L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1.
C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple.
Assemblages à boulons
Essais dynamiques
Fluage
Frottements (mécanique)
Métaux -- Revêtements:Métaux -- Peinture
Ponts métalliques -- Revêtements protecteursIndex. décimale : 667.6 Peintures Résumé : High-strength bolts have been used to assemble steel structures for over 60 years, supported by research conducted by the Research Council on Riveted and Bolted Structural Joints (RCRBSJ). RCRBSJ was founded in 1947 but is now known as the Research Council on Structural Connections (RCSC). Despite the long history of use, there is still confusion when it comes to painting faying surfaces, bolt holes and fasteners. This article will attempt to clear up some of the confusion and provide items to consider when designing and painting bolted connections. Note de contenu : - Testing of coatings for slip-critical joints
- Coefficient of friction (COF) testing
- Tension creep testing
- Interpretation of slip coefficient and tension creep results
- Painting of bolt holes
- Cleaning and painting of fasteners : Black bolts - Galvanized boltsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26837
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Code-barres Cote Support Localisation Section Disponibilité 18124 - Périodique Bibliothèque principale Documentaires Disponible Improving surface prep productivity with rectangular blasting nozzles / Chang-Hun Lee in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)
[article]
Titre : Improving surface prep productivity with rectangular blasting nozzles Type de document : texte imprimé Auteurs : Chang-Hun Lee, Auteur ; Byeong-Hun Do, Auteur ; Won-Jun Yun, Auteur ; Han-Jin Bae, Auteur Année de publication : 2016 Article en page(s) : p. 44-46 Langues : Américain (ame) Catégories : Buse (tuyère)
Métaux -- Surfaces
Traitement de surface par impact -- Appareils et matérielsIndex. décimale : 667.6 Peintures Résumé :
The purpose of surface preparation is ultimately to achieve the necessary coating adhesion between steel and the coated film in order to protect the structure adequately for as long as possible. Adhesion is a significant factor regarding the suitability and lifespan of protective coatings in corrosive environments. In the shipbuilding industry, abrasive blasting is a common method of generating proper surface roughness and achieving high productivity'. Round nozzles are commonly used in abrasive blasting.
This article describes a study focused on the use of rectangular nozzles to achieve increased surface preparation productivity by avoiding concentrations of abrasive material typically seen with round nozzles. Rectangular nozzles can disperse abrasive material more evenly due to their shape. The rectangular nozzle used in this study is made of SKD-11 grade steel and has the same sectional area ratio as the reference rectangular nozzle used. The two nozzle types were compared regarding productivity and quality. Abrasive speed and spreading angle were compared using photos captured by a high-speed camera during Eaboratory scale testing. 1). Surface condition and profile achieved were compared using a microscope and quality of surface roughness in the field was assessed with measuring instruments.
Because of the round nozzle end, particles are concentrated in a small surface area. However, by changing the shape of nozzle from round to rectangular, particles can be discharged at a wider width for higher productivity. Also, a Venturi shape inside the nozzle can enhance particle velocity, which is the key element of surface cleanliness.Note de contenu : - Rectangular ventury nozzle
- Equipment design and development : Comparison of performance using a high-speed camera
- Results and discussion : Comparison of velocity - Comparison of spray width - Comparison of work efficiency
- TABLES : Comparison of abrasive velocity of round and rectangular nozzles - 2. Comparison of shooting angle of round and rectangular nozzles - 3. Comparison of surface treatment area between round and rectangular nozzles according to carriage speedPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26838
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