Crystallization Behavior and Microstructural Analysis of Strontium Rich (Pb_𝑥Sr_𝟏−𝑥)TiO_𝟑 Glass Ceramics in Presence of La_𝟐O_𝟑

Table 2

Heat treatment schedules, glass ceramic codes, and crystalline phases of different strontium rich glass ceramic samples in the system [(Pb_xSr_1-x )O·TiO₂]-[2SiO₂·B₂O₃]-[K₂O]-[BaO]-La₂O₃.

Glass code	Glass ceramic code		Heat treatment schedules		Crystalline phases
		Heating rate (°C/min)	Holding temp (°C)	Holding time (hrs)
4PL5B	4PL5B820T	5	840	3	P + R
	4PL5B820S	5	840	6	P
3PL5B	3PL5B871T	5	871	3	P + R
	3PL5B871S	5	871	6	P + R*
2PL5B	2PL5B870T	5	870	3	P + R + SB*
	2PL5B870S	5	870	6	P + R*+ SB*
1PL5B	1PL5B878T	5	878	3	P + R
	1PL5B878S	5	878	6	P + R*
STL5B	STL5B890T	5	890	3	P + R* + SB*
	STL5B890S	5	890	6	P + R*

P: perovskite titanate, PT: PbTi₃O₇, R: rutile (TiO₂), SB: strontium Borate. (Sr₂B₂O₅),*: trace amount.