Abstract
1. In designing shells for hydrophysical instruments it is necessary to consider that for glued compounds and sealing elements for articles made of silicate materials, in particular glass ceramic and industrial porcelain, there is typically a low level of strength for adhesive bonds and a more marked rate of loss of strength under the action of marine conditions compared with metal structures. 2. As in glass shells, use of a sealing coating and other measures excluding the access of marine conditions to the glued joint is a necessary condition for providing operating efficiency for structures with supporting elements made of glass ceramic and ceramics intended for hydrophysical instruments. In order to seal these structures it is possible to recommend sealant U-30MES-5 with an underlayer of glue 88-N. 3. The greatest reduction in adhesive strength for sealant U-30MES-5 with an underlayer of glue 88-N corresponds to two months of exposure under marine conditions.
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