| DTA and X-Ray Studies on some Bio-Giasses |
v. P. TIWARI, B. s. TYAGI AND P. NATH
Pages : 83-90
DOI : 10.1080/0371750X.1986.10822796 |
| Abstract |
| Preliminary studies were carried out on bio-glasses with a view to
developing suitable compositions which could be used as orthopaedic
implants. Studies to establish conditions necessary for nucleation and
proper crystal growth were carried out using DTA and gradient
furnace techniques. Ceramization of the glasses was done by thermally
treating the glass in such a way as to produce glass-ceramics consisting
of more than one microcrystal that were differently oriented. The
crystallized samples were put to X-ray analysis, scanning and transmission
electron microscopy in order to find out the type and the
size of the crystals. This study mainly pertains to the glass-ceramics
composed of primarily Na20-Ca0-Si02 and P20 5 in suitable composition
ranges. In the present communication, the data pertaining
to the studies on nucleation and crystallization of some glasses have
been reported. |
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