[article]
| Titre : |
Hot water acid-resistant enamels for sheet steel |
| Type de document : |
texte imprimé |
| Auteurs : |
A. S. Kassem, Auteur ; M. Z. Mostafa, Auteur ; M. F. Abadir, Auteur |
| Année de publication : |
2010 |
| Article en page(s) : |
pp. 58–63 |
| Note générale : |
Génie mécanique |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Sheet steel enamel hot water tanks |
| Résumé : |
Several enamel frit recipes were formulated for direct-on application on sheet steel. Their suitability as hot water and acid-resistant coatings were investigated. DTA analyses were performed on raw batches to follow up physico-chemical changes occurring on firing. Then batches with different recipe compositions were fritted and mixed with mill additions. These were then tested for thermal expansion and the corresponding linear coefficients as well as glass transition temperatures and softening points were obtained. Also, the viscosity of molten frits was determined as a function of temperature. These frits were then applied on sheet steel and the following properties were investigated: resistance to hot water, acid resistance, surface gloss, and adherence to steel. It was found that recipe No. 4, containing no manganese dioxide and the highest amount of nickel oxide among all the suggested recipes, gave the best results. The optimum conditions for application on steel sheet were: firing at 850 °C for 5 min. |
| En ligne : |
http://onlinelibrary.wiley.com/doi/10.1002/maco.200805230/abstract |
in Materials and corrosion > Vol. 61 N° 1 (Janvier 2010) . - pp. 58–63
[article] Hot water acid-resistant enamels for sheet steel [texte imprimé] / A. S. Kassem, Auteur ; M. Z. Mostafa, Auteur ; M. F. Abadir, Auteur . - 2010 . - pp. 58–63. Génie mécanique Langues : Anglais ( eng) in Materials and corrosion > Vol. 61 N° 1 (Janvier 2010) . - pp. 58–63
| Mots-clés : |
Sheet steel enamel hot water tanks |
| Résumé : |
Several enamel frit recipes were formulated for direct-on application on sheet steel. Their suitability as hot water and acid-resistant coatings were investigated. DTA analyses were performed on raw batches to follow up physico-chemical changes occurring on firing. Then batches with different recipe compositions were fritted and mixed with mill additions. These were then tested for thermal expansion and the corresponding linear coefficients as well as glass transition temperatures and softening points were obtained. Also, the viscosity of molten frits was determined as a function of temperature. These frits were then applied on sheet steel and the following properties were investigated: resistance to hot water, acid resistance, surface gloss, and adherence to steel. It was found that recipe No. 4, containing no manganese dioxide and the highest amount of nickel oxide among all the suggested recipes, gave the best results. The optimum conditions for application on steel sheet were: firing at 850 °C for 5 min. |
| En ligne : |
http://onlinelibrary.wiley.com/doi/10.1002/maco.200805230/abstract |
|
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