✦ LIBER ✦

Effect of crystallizable cordierite glass on devitrification of Pyrex borosilicate glass

✍ Scribed by Jau-Ho Jean; Chia-Ruey Chang

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 210 KB
Volume: 199
Category: Article
ISSN: 0921-5093
DOI: 10.1016/0921-5093(95)02771-8

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✦ Synopsis

The effects of crystallizable cordierite glass on devitrification of Pyrex borosilicate glass at 800 °C have been investigated. X-ray diffraction results show that with a cordierite glass content greater than 40 vol.%, the cristobalite observed in the pure Pyrex borosilicate glass is completely prevented. The above result is further evidenced by thermal expansion measurements in which the thermal expansion coefficient decreases dramatically with cordierite glass present.

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