Mechanisms of 3-D internal cracks growth and coalescence in PMMA

摘要：

Several experiments undertaken on cement and mortar samples with internal cracks of different shapes and sizes demonstrated that 3-D cracks growth in compression was qualitatively different from the 2-D cases. This paper employs pre-existing cracks in frozen PMMA (polymethylmethacrylate plastic) which are produced by the mechanical method to analyze the evolution of the boundary effect of PMMA and to study the mechanisms of cracks growth and coalescence. In the experiments, 3-D cracks are tested under uniaxial compression and finally draw two conclusions about failure mechanisms of PMMA and brittle materials.

关键词： Brittle materials PMMA Internal cracks 3D crack Growth and coalescence

作者: Mingli Huang Xiu Yang

作者单位: School of Civil Engineering, Beijing Jiaotong University, Beijing, Chinal School of Civil Engineering, Beijing Jiaotong University, Beijing, China

会议类型: 国际会议

会议名称: 2011 3nd International Conference on Mechanical and Electronics Engineering(2011年第三届机械与电子工程国际会议 ICMEE2011)

会议地点: 合肥

会议语种:英文

页码: 3912-3915

在线出版日期: 2011-09-23（万方平台首次上网日期，不代表论文的发表时间）