Le paramètre de maille peut augmenter de 0,0624 nm pour chaque % atomique supplémentaire de Nb et ,
couleur cyan sur la figure 143 Elles sont constituées de Secar 80 de la société Lafarge, dont la composition moyenne est de 80% d'alumine et 20% de CaO. 6) ,
on peut éteindre les pompes, refermer les vannes du système de pompage et effectuer la remise à l'air. L'alimentation en eau peut être réduite après le chauffage et la coulée mais ne doit pas être éteinte tant que le four n'est pas totalement refroidi ,
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