Stephan A. H. Sander

Stephan A. H. Sander
Technische Universität Bergakademie Freiberg · Institute of Glass Science and Technology

M.Sc.
On the edge of chemistry, material science and engineering. (Reasearch / lecturing cf. affiliations.)

About

3
Publications
505
Reads
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15
Citations
Additional affiliations
January 2021 - February 2021
University of Leipzig
Position
  • Research Fellow
Description
  • Freelancer for supervision of theses in electrical engineering in context of didactics in economics, technic, houshold and social affairs.
January 2021 - July 2021
University of Leipzig
Position
  • Research Fellow
Description
  • Research in PEEK- and zirkonia-based dental materials, assistance and advisory in other scientific projects and development of a summer school.
October 2019 - January 2020
GMBU e.V.
Position
  • Project Manager
Description
  • Managing a network based research project on foam glass synthesis.

Publications

Publications (3)
Article
The investigation of selected properties in non-porous and porous R2O-B2O3-Al2O3-SiO2 (R = Li, Na) glasses indicates different effects of Al2O3 on phase separation and microstructure. Decrease of [BO4]− units in Na2OB2O3- SiO2 glass system reveals a constant inhibition of phase separation with addition of Al2O3. In Li2O-B2O3- SiO2 glass system, the...
Article
The kinetics of spinodal decomposition of glasses with a composition of (in mol%) 8 Na2O, 26 B2O3, and 66 SiO2, are investigated as a function of time (up to 64 d) and temperature (between 630 and 750 °C) of heat after leaching in diluted HCl and NaOH solution to generate porosity. The glasses as well as porous materials are analyzed by dilatometry...
Article
Full-text available
Quartz flours were dissolved at temperatures between 100 and 220 °C for up to 7 d in NaOH lyes. The starting materials were characterized by particle size analysis. Liquid and solid reaction products were characterized chemically and structurally. Sodium water glasses with silica concentrations of up to 20 wt % were obtained. Radius reduction of si...