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High-power laser resistance of filled sandwich panel with truss cores: Ablation mechanisms and numerical simulation
Wang JT(王江涛); Yuan W(袁武); Liu YW; Song HW(宋宏伟); Huang CG(黄晨光)
2018-11-01
发表期刊COMPOSITE STRUCTURES
卷号203页码:574-584
ISSN0263-8223
摘要A new function of filled sandwich panel with truss core, superior high-power laser resistance, is reported. When filled with carbon powder-reinforced silicone resin composite, which is an ablative material, the panel exhibits superior high-power laser resistance to monolithic plate with equal areal density. This paper revealed the detailed mechanisms and reproduced the process with numerical simulation. FIIR, SEM-EDS, and TG/DSC analyses on the virgin filler material and ablation residues are conducted to investigate the thermo-physicochemical process of the filler material during the laser ablation. Considering pyrolysis, oxidation, and phase change in the laser ablation process, a 3D numerical model is developed by using the finite element method. The temperature field and ablation morphology obtained from the numerical model agree with those from the experiment. The ablation evolution process, pyrolysis effect, and laser resistance mechanism of the filled sandwich panels with truss cores are evaluated based on the present model.
关键词Laser ablation Sandwich structure Ablative material Thermal-physical-chemical process Numerical simulation
DOI10.1016/j.compstruct.2018.07.050
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000443266300053
关键词[WOS]THERMAL PROTECTION SYSTEM ; ENERGY-ABSORPTION ; COMPOSITE ; DESIGN ; BEAMS
WOS研究方向Materials Science, Composites
WOS类目Materials Science
项目资助者National Natural Science Foundation of China [91016025, 11472276, 11602271, 11332011] ; National Defense Basic Scientific Research Program of China [JCKY2016130B009]
论文分区二类/Q1
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77863
专题流固耦合系统力学重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
3.Yanshan Univ, Dept Environm & Chem Engn, Qinhuangdao 066004, Hebei, Peoples R China
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Wang JT,Yuan W,Liu YW,et al. High-power laser resistance of filled sandwich panel with truss cores: Ablation mechanisms and numerical simulation[J]. COMPOSITE STRUCTURES,2018,203:574-584.
APA 王江涛,袁武,Liu YW,宋宏伟,&黄晨光.(2018).High-power laser resistance of filled sandwich panel with truss cores: Ablation mechanisms and numerical simulation.COMPOSITE STRUCTURES,203,574-584.
MLA 王江涛,et al."High-power laser resistance of filled sandwich panel with truss cores: Ablation mechanisms and numerical simulation".COMPOSITE STRUCTURES 203(2018):574-584.
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