Devitrification behaviour of vitrified industrial waste (electric arc furnace dust and foundry sand) was examined by differential thermal analysis (DTA), X-ray diffractometry, and scanning electron microscopy (SEM). Crystalline phases identified were primarily solid solutions of spinel and augite. The temperature of maximum nucleation rate for spinel was determined by DTA to be 635 deg C. Variations in the quench temperature resulted in changes of both grain size and volume fraction of an equixed spinel.
Origin
Ohio State University, Usa
Journal Title
J Am Ceram Soc 82 3 1999 561-565
Sector
Special Glass
Class
S 1591b