Abstract:
:Glass has been obtained by melting red mud from Shandong Province in China with different additives. Suitable thermal treatments were employed to convert the obtained glass into nano-crystal glass-ceramics. X-ray diffraction (XRD) patterns showed that the main crystalline phase in both the glass-ceramics is wollastonite (CaSiO3). These crystals are homogeneously dispersed within the parent glass, with an average crystal size of less than 100 nm. The size of nano-crystals varies when different thermal processes were used. Physical and mechanical properties, such as density, thermal expansion coefficient, hardness, and bending strength, of the two glasses have been examined and the corresponding microstructures are discussed. These results demonstrate that both glass-ceramics have potential for a wide range of construction application.
journal_name
Chemospherejournal_title
Chemosphereauthors
Peng F,Liang KM,Shao H,Hu AMdoi
10.1016/j.chemosphere.2004.11.002subject
Has Abstractpub_date
2005-05-01 00:00:00pages
899-903issue
6eissn
0045-6535issn
1879-1298pii
S0045-6535(04)01050-1journal_volume
59pub_type
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