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Showing 1 to 1 of 1 for “"Porosity of dental castings"”.
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Η επίδραση της θέσης των αγωγών απαέρωσης του χρόνου και του τρόπου χύτευσης στη δημιουργία πόρων και στη διάβρωση των χυτών
The porosity is one of the most important problems in making dental castings. There are a lot of factors which are involved in this problem. Three of them were examined in this study. These are the existance and position of the vent sprues, the type of casting machines and the time of …