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首页> 美国卫生研究院文献>Materials >Shear Performance at Room and High Temperatures of Glass–Ceramic Sealants for Solid Oxide Electrolysis Cell Technology
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Shear Performance at Room and High Temperatures of Glass–Ceramic Sealants for Solid Oxide Electrolysis Cell Technology

机译：固体氧化物电解槽技术的玻璃陶瓷密封胶在室温和高温下的剪切性能

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摘要

To provide a reliable integration of components within a solid oxide electrolysis cell stack, it is fundamental to evaluate the mechanical properties of the glass–ceramic sealing materials, as well as the stability of the metal–glass–ceramic interface. In this work, the mechanical behavior of two previously developed glass–ceramic sealants joined to Crofer22APU steel is investigated at room temperature, 650 °C, and 850 °C under shear load. The mechanical properties of both the glass–ceramics showed temperature dependence. The shear strength of Crofer22APU/glass–ceramic/Crofer22APU joints ranged from 14.1 MPa (20 °C) to 1.8 MPa (850 °C). The elastic modulus of both glass–ceramics also reduced with temperature. The volume fraction of the crystalline phases in the glass–ceramics was the key factor for controlling the mechanical properties and fracture, especially above the glass-transition temperature.
机译：为了在固态氧化物电解槽堆中提供可靠的组件集成，评估玻璃陶瓷密封材料的机械性能以及金属玻璃陶瓷界面的稳定性至关重要。在这项工作中，在室温，650°C和850°C的剪切载荷下研究了两种先前开发的与Crofer22APU钢连接的玻璃陶瓷密封剂的机械性能。两种玻璃陶瓷的机械性能均显示出温度依赖性。 Crofer22APU /玻璃-陶瓷/ Crofer22APU接头的剪切强度范围为14.1 MPa（20°C）至1.8 MPa（850°C）。两种玻璃陶瓷的弹性模量也随温度降低。玻璃-陶瓷中结晶相的体积分数是控制机械性能和断裂的关键因素，尤其是在玻璃化转变温度以上。

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