Abrasion characteristics of ground calcium carbonate products / Lane Shaw in COATINGS WORLD, Vol. 23, N° 9 (09/2018)  

[article]  inCOATINGS WORLD > Vol. 23, N° 9 (09/2018) 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 [article]

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