Song Chaofa, An Linan, Shi Baoquan. Effect of Ta<SUB>2</SUB>O<SUB>5</SUB> on the Glass Forming Region of Glass in System B<SUB>2</SUB>O<SUB>3</SUB>-La<SUB>2</SUB>O<SUB>3</SUB>-CaO[J]. Editorial Office of Optics and Precision Engineering, 1988,(4): 1-4
Song Chaofa, An Linan, Shi Baoquan. Effect of Ta<SUB>2</SUB>O<SUB>5</SUB> on the Glass Forming Region of Glass in System B<SUB>2</SUB>O<SUB>3</SUB>-La<SUB>2</SUB>O<SUB>3</SUB>-CaO[J]. Editorial Office of Optics and Precision Engineering, 1988,(4): 1-4DOI:
—CaO is described. Experimental results indicate that the glass forming region is shifted to poor-B
2
O
3
rich-La
2
O
3
region with increasing the component of Ta
2
O
5
When component of Ta
2
O
5
equals to 10 wt% the glass forming region is maximum. Crystalline temperature of glass and glass crystalline have been determined with DTA and X—ray. the results show that the position of exothermic peak and endothermic peak of main crystalline Will also be defferent.