Adhesion of GexSe100-x glasses to silica glass

Abstract The adhesive strength of chalcogenide GexSe100-x (15 ≤ х ≤ 26) glasses to silica glass is studied by the method of normal detachment depending on germanium content, temperature of contact formation and detachment temperature. The value of adhesive strength increases exponentially as the detachment temperature increases passing through the maximum near the glass transition temperature of adhesive. The increase in the temperature of contact formation between chalcogenide and silica glasses in the range of 260–370 °C leads to linear increase in adhesion strength. The Ge20Se80 glass is established to show the maximum adhesion (2.6 ± 0.3 МPа) to silica glass among the studied compositions at the temperature of formation of adhesion contact above 320 °C.