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Phlogopite glass-ceramics

Phospha.tes. Many phosphates cl aim unique material advantages over siUcates that make them worth the higher material costs for certain apphcations. Glass-ceramics containing the calcium orthophosphate apatite, for example, have demonstrated good biocompatibiUty and, in some cases even bioactivity (the abiUty to bond with bone) (25). Recent combinations of fluorapatite with phlogopite mica provide bioactivity as well as machinability and show promise as surgical implants (26). [Pg.325]

In Germany, a silica-phosphate glass-ceramic has been developed and used clinically. It consists of fluorhydroxyapatite (Caio(P04)e(OH,F)2) and phlogopite ((Na,K)Mg3(AISi30io)F2), a type of mica [88,94-96],... [Pg.302]

Figure 1-40 Crystal size of phlogopite in the glass ceramic after different heat treatments of the base glass. Results of 765°C, 795 C, 810°C, 825"C, 840 C are related to thin films, results for 910 C were determined for monolithic samples. Figure 1-40 Crystal size of phlogopite in the glass ceramic after different heat treatments of the base glass. Results of 765°C, 795 C, 810°C, 825"C, 840 C are related to thin films, results for 910 C were determined for monolithic samples.
Figure 2-19 Microstructure formation in machinable glass-ceramics of the phlogopite-type... Figure 2-19 Microstructure formation in machinable glass-ceramics of the phlogopite-type...
The microstructure of the mica glass-ceramic of the phlogopite-type demonstrates direct interlocking of the mica crystals after heat treatment at 950 C for 4 h. This morphology is described as a house-of-cards in Section 3.2.6. [Pg.127]

Hoda and Beall (1982) developed a glass-ceramic free of alkaline ions, such as Na, K", or Li. The main crystal phase was formed of alkali-free phlogopite. The investigations of Hoda and Beall (1982) concentrated on the formation of the main crystal phases of... [Pg.129]

Holand W., Vogel W., Mortier W.J., Duvigneaud P.H., Naessens and Plumat E., "A New Type of Phlogopite Crystal in Machinable Glass-Ceramics," Glass Technol.., 24, 318-22 (1983a). [Pg.345]

This gjass-ceramic, containing a Sr-phlogopite main crystal phase, exhibited water swelling behavior. Following the absorption of water by the glass-... [Pg.130]

See other pages where Phlogopite glass-ceramics is mentioned: [Pg.303]    [Pg.130]    [Pg.131]    [Pg.151]    [Pg.303]    [Pg.130]    [Pg.131]    [Pg.151]    [Pg.218]    [Pg.219]    [Pg.322]    [Pg.231]    [Pg.66]    [Pg.125]    [Pg.128]    [Pg.128]    [Pg.129]    [Pg.129]    [Pg.149]    [Pg.152]    [Pg.205]    [Pg.208]    [Pg.209]    [Pg.213]    [Pg.237]    [Pg.45]    [Pg.321]   
See also in sourсe #XX -- [ Pg.154 , Pg.213 ]



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