A New Substance to Substance Joining Technology for Glasses

Currently substance-to-substance joining procedures (bonding, soldering, welding) create an adhesive bond with filler materials. For glasses these procedures are only applicable with restrictions. Therefore the aim was the development of a new force-time-controlled substance-to-substance joining procedure without filler material. During a thermal treatment a dynamic force affects the parts to be joined. This force is transmitted to the joining parts through their rotation energy homogeneously and enables a joining of large surfaces without undesired pressure peaks. The monolithic joined body gets unstressed in a subsequent cooling regime. Significant advantages of this technology are the low-stress joining of glasses without filler materials and a combinability of different glasses.