| Titre : |
Abrasion characteristics of ground calcium carbonate products |
| Type de document : |
texte imprimé |
| Auteurs : |
Lane Shaw, Auteur ; David Yu, Auteur |
| Année de publication : |
2018 |
| Langues : |
Américain (ame) |
| Catégories : |
Abrasion
Carbonate de calcium broyé
Dureté (matériaux)
Granulométrie
Micrographie
Morphologie (matériaux)
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
When evaluating the abrasion characteristics of a naturally occurring mineral, one must take into consideration both the abrasivity of the mineral and of the impurities. Abrasion is a function of concentration, hardness and particle size of the material and/or impurity. A mineral with a high concentration of a hard impurity is not necessarily more abrasive. It is also highly dependent on the particle size of the impurity. |
| Note de contenu : |
- GCC and abrasivity
- Morphology
- Photo 1 : Pin-modified rotor
- Fig. 1 : Hardness scales
- Fig. 2 : Acid insoluble weight percent of various 3 µm calcium carbonate grades
- Fig. 3 : Abrasion comparison of 3 µm and 20 µm dry ground calcium carbonates
- Fig. 4 : Abrasion comparison of 3 µm products
- Fig. 5 : Particle sizes of acid insoluble silica fractions
- Fig. 6 : Micrographs of 20 µm and 3 µm acid insoluble fractions from Marble Hill, GA marble and Marble Falls, TX limestone. These photos are the acid insolubles (silica and silicate) composition of the calcium carbonate ore source
- Fig. 7 : Statistical correlation for acid insoluble amount and particle size |
| En ligne : |
https://www.coatingsworld.com/issues/2018-09-01/view_features/abrasion-character [...] |
| Format de la ressource électronique : |
Html |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32515 |
in COATINGS WORLD > Vol. 23, N° 9 (09/2018)
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