Article

Electronic Materials Letters

, Volume 6, Issue 3, pp 103-106

First online:

Structure and properties of borophosphate glasses

  • Nam-Jin KimAffiliated withDivision of Materials Science and Engineering, Pusan National University
  • , Sang-Hyeok ImAffiliated withDivision of Materials Science and Engineering, Pusan National University
  • , Dong-Hwan KimAffiliated withDivision of Materials Science and Engineering, Pusan National University
  • , Duck-Ki YoonAffiliated withR&D Center, Jeong Kwna Co., LTD
  • , Bong-Ki RyuAffiliated withDivision of Materials Science and Engineering, Pusan National University Email author 

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Abstract

Glasses in the system xB2O3−(60−x)P2O5−40Na2O (x = 0 mol. %, 10 mol. %, 20 mol. %, 30 mol. %, 40 mol. %) were prepared and characterized by measuring their density (ρ), molar volume (V M), glass transition/ softening temperature (T g/Td), thermal expansion coefficient (α) and chemical durability (DR). All of these values were found to vary with the B2O3 content of the glasses. The results were interpreted on the basis of the structural data. The Raman and infrared spectra confirmed these structural changes.

Keywords

borophosphate glasses thermophysical properties chemical durability glass structure