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储能钠硫电池β〞-Al_2O_3陶瓷管静水压爆破试验分析

Analysis of Hydrostatic Pressure Bursting Test on β〞-Al_2O_3 Ceramics Tubes for Energy-storage Sodium-sulfur Batteries
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摘要 为了确定钠硫电池关键部件β〞-Al2O3陶瓷管的极限强度,利用直尺、游标卡尺及壁厚仪测量了陶瓷管外形尺寸,通过静水压爆破试验得到了爆破极限压力,采用薄壁容器受压后应力近似公式和第一强度理论设计准则计算出陶瓷管的极限应力,并分析了影响极限应力的主要因素,这对陶瓷管的强度校核和优化设计具有很强的指导意义。 In order to determine the ultimate strength of β 〞-Al2O3 ceramics tubes which are the key components of sodium-sulfur batteries,the size of ceramic tubes was measured by ruler,slide caliper and wall thickness gauge,and the blasting limit pressure was obtained by the hydrostatic pressure bursting test.The ultimate stress of the ceramic tube was calculated by using the approximate formulas of the thinwalled container subjected to the pressure and the design criteria of the first strength theory,and the main factors affecting the ultimate stress were analyzed,which provides some significant guideline to the strength check and the optimization design of the ceramic tube.
出处 《硅酸盐通报》 CAS CSCD 北大核心 2013年第6期1227-1230,共4页 Bulletin of the Chinese Ceramic Society
基金 上海市科学技术委员会项目(11160500600 11dz2281700) 上海市优秀学科带头人计划(B类)项目(13XD1425200) 上海市教育委员会科研创新项目(11ZZ171 13ZZ130) 上海市教育委员会曙光计划项目(09SG51) 上海市教委重点学科(第五期)J51304 国家自然科学基金项目(50706025 51201097)
关键词 钠硫电池 陶瓷管 静水压 爆破试验 极限应力 Na-S battery ceramics tube hydrostatic pressure bursting test ultimate stress
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