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Effect of sintering and melt casting methods on properties of a machinable fluor-phlogopite glass–ceramic

✍ Scribed by S. KhatibZadeh; M. Samedani; B. Eftekhari Yekta; S. Hasheminia

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
444 KB
Volume
203
Category
Article
ISSN
0924-0136

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✦ Synopsis

The effects of the melt casting and the sintering methods on the machinability and other characteristics of a SiO 2 -Al 2 O 3 -MgO-K 2 O-B 2 O 3 -F glass-ceramic composition were examined. The results show that the specimen prepared by the sintering method had better machinability and mechanical properties, due to a higher mica volume percent and finer crystallite size. It was found that the specimen had undergone surface crystallization; hence, it was concluded that preparation of the specimen by the sintering route would be less sensitive to heating conditions.

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