Crystallizing glass solders and uses thereof

摘要: A crystallizing glass solder for high-temperature applications, containing, in % by weight on an oxide basis: 45% to 60% of BaO, 25% 40% SiO2, 5% 15% B2O3, 0 <2% Al2O3, and at least one alkaline earth metal from the group consisting MgO, CaO SrO, wherein is 0% sum oxides SrO 20%, preferably 2% 15%. The free TeO2 PbO. Preferred embodiments contain 3 15 wt. Y2O3 have low porosity high stability with respect a moist fuel gas environment.