Furthermore, by comparing the average CTEs of glass-ceramic samples with varying Na 2 O additions prepared at their respective optimal sintering temperatures, with increasing Na 2 O additions, the crystallinity of the samples first increased and then decreased, whereas the average CTE exhibited an increasing trend.
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Effect of Na<sub>2</sub>O on the Low-Temperature Densification, Crystallization Behavior, and Dielectric Properties of Perlite Tailings-Derived α-Cordierite Glass-Ceramics.
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