软木材料力学行为及其缓冲吸能特性研究进展综述  

Research Advance on the Mechanical Behaviors and Energy Absorption of Soft Wood

作　　者：李继承[1,2] 张斌 谢若泽 钟卫洲[1,2] LI Ji-cheng;ZHANG Bin;XIE Ruo-ze;ZHONG Wei-zhou(Institute of Systems Engineering,China Academy of Engineering Physics,Mianyang,621900,China;Shock and Vibration of Engineering Materials and Structures Key Laboratory of Sichuan Province,Mianyang,621900,China)

机构地区：[1]中国工程物理研究院总体工程研究所,四川绵阳621900 [2]工程材料与结构冲击振动四川省重点实验室,四川绵阳621900

出　　处：《装备环境工程》2021年第5期68-78,共11页Equipment Environmental Engineering

基　　金：中国工程物理研究院创新发展基金培育项目(PY20210044)。

摘　　要：综述了软木材料的力学行为及其缓冲吸能特性方面的研究进展,首先从密度、含水率、温度、构造与缺陷、服役时间等方面阐述了不同因素对木材力学性能的影响。然后从宏观观测和微细观分析两方面概述了软木材料力学性能试验的研究进展,从宏观本构模型和细观模拟方面阐述了数值仿真分析进展,并简述了理论建模方面的研究成果。最后从多方面给出了未来相关工作的一些建议。In this paper,the research advance on the mechanical behavior and energy absorption characteristics of soft wood is reviewed.Firstly,the effects of various factors,including density,moisture content,temperature,microstructure as well as defect,service time,etc.,on the mechanical properties are discussed.Then the experimental investigation progress is summarized from the two aspects of macro-observation and micro-analysis,and the development in numerical simulation analysis is reviewed from the two aspects of constitutive model and mesoscale geometrical model,furthermore,related theoretical work in is also briefly introduced.Finally,some suggestions for future work are given.

关 键 词：软木材料 力学行为 变形 破坏 能量吸收 

分 类 号：TJ04[兵器科学与技术—兵器发射理论与技术]