Experiments and Modeling of Failure and Fragmentation of Alumina Cylinders under Uniaxial Compression
Quasistatic compressive strength of alumina cylinders was measured using specimen of two sizes. The strength of the material was dependent on the specimen size. High speed video photography showed that the failure of the cylindrical specimen started from axial splitting, and after failure the specimen fragmentized into small pieces. A fragmentation model was proposed for estimating the average sizes of the fragments. The calculated fragment sizes agreed reasonably well with the experimental data. By using Ls-Dyna software, the failure of cylindrical specimen containing pre-existing crack-like flaws had been simulated.
轴向分裂 氧化铝圆柱体 单轴压缩 数值模拟
Wang Yong-gang Hu Jian-dong Zhou Feng-hua
Mechanics and Materials Science Research Center, Ningbo University, Zhejiang 315211, China
国内会议
太原
英文
1-12
2011-07-01（万方平台首次上网日期，不代表论文的发表时间）