Abstract

The formation of stable connection between materials with different CTE via using femtosecond laser writing is demonstrated. The welding of phosphate glass (CTE = 120?10–7 K–7) to zinc-magnesium-alumosilicate glass-ceramics (CTE = 62?10–7 K–7) is realised. Investigation of the structural features of laser-induced welds by means of optical microscopy and Raman spectroscopy enables optimization of the laser welding process.

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