Analysis of critical states based on acoustic emission signals during progressive failure of wood
Xiaoyan Jia,
Junqiu LI,
Qinghui Zhang
et al.
Abstract:The analysis of critical states during fracture of wood materials is crucial for wood building safety monitoring, wood processing, etc. In this paper, beech and camphor pine are selected as the research objects, and the acoustic emission signals during the fracture process of the specimens are analyzed by three-point bending load experiments. On the one hand, the critical state interval of a complex acoustic emission signal system is determined by selecting characteristic parameters in the natural time domain.… Show more
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