Physical and Thermal Properties of P2O5-Al2O3-BaO-La2O3 Glasses

材料科学技术（英文）, 2005, 21(3): 391-394.

^1, , ^2, , ^3, , ^4, , ^5,

1.Laserglass Laboratory, Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

2.Laserglass Laboratory, Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

3.Laserglass Laboratory, Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

4.Laserglass Laboratory, Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

5.Laserglass Laboratory, Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

基金项目: This work was finicially supported by the National Natu ral Science Foundation of China under(69988006)

Physical and Thermal Properties of P2O5-Al2O3-BaO-La2O3 Glasses

Keywords： Glass transition temperature

The physical and thermal properties of P2O5-Al2O3-BaO-La2O3 glasses were investigated. The effects of glass compositions on the transition temperature, thermal expansion coefficient, density, hardness and refractive index of glasses were studied. The highest hardness of the glasses is 4143.891 MPa and the lowest thermal expansion coefficient of the glasses is 71.770×10-7/℃. A phosphate glass with high mechanical strength and good thermal characteristic is obtained.

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Physical and Thermal Properties of P2O5-Al2O3-BaO-La2O3 Glasses

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