冰雹和钨珠非正冲击下T800-CFRP层合板损伤特性的研究

尚晓壮1,刘瑶璐1,2,冯晓伟3,胡宁1,4,谭晓军3,胡艳辉3

振动与冲击 ›› 2024, Vol. 43 ›› Issue (11) : 135-147.

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (11) : 135-147.
论文

冰雹和钨珠非正冲击下T800-CFRP层合板损伤特性的研究

  • 尚晓壮1,刘瑶璐1,2,冯晓伟3,胡宁1,4,谭晓军3,胡艳辉3
作者信息 +

Damage characteristics of T800-CFRP laminates under non-normal impact of ice balls and tungsten beads

  • SHANG Xiaozhuang1, LIU Yaolu1,2, FENG Xiaowei3, HU Ning1,4, TAN Xiaojun3, HU Yanhui3
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文章历史 +

摘要

通过实验和仿真相结合的方法研究了T800碳纤维增强复合材料(CFRP)层合板在冰球和钨珠非正冲击作用下的损伤特性。首先开展了冰球和钨珠在给定工况下高速撞击T800-CFRP层合板实验,以此对仿真模型的有效性进行验证;然后讨论了T800-CFRP层合板在两种冲击体以不同冲击能量与冲击角度作用下的损伤特性及其差异性。研究表明:钨珠在冲击能量较低时就能对层合板造成穿孔损伤,但随着冲击能量增大层合板的损伤程度呈下降趋势;冰球对层合板造成损伤的冲击能量阈值与钨珠的相比要高很多,且随着冲击能量的增加损伤程度明显加剧;钨珠在冲击角度为45°和60°时造成的损伤与正冲击的情况相比要更加严重,而冲击角度为30°时造成的损伤却小于正冲击的情况;冰球冲击时,层合板的损伤程度随冲击角度的增加而减小。本研究有助于深化对T800-CFRP层合板在冲击载荷作用下的损伤与破坏行为的认识,具有重要的科学意义和工程应用价值。

Abstract

The damage characteristics of T800-CFRP laminates under non-normal impact of hail ices and wolfram balls were studied by experiments and simulations. Firstly, the experiments of the high-speed impact of hail ices and wolfram balls on T800-CFRP laminates under given working conditions were carried out to verify the effectiveness of the simulation model; and then the damage characteristics and theirs differences of T800-CFRP laminates impacted by two kinds of impact bodies with different impact energies and impact angles were discussed. Research results have shown that wolfram balls can cause the perforation damage to laminates when the impact energy is low, and the damage degree of the laminates decreases with the increase of the impact energy; the impact energy threshold of hail ices causing damage to laminates is much higher than that of wolfram balls, and the damage degree increases significantly with the increase of the impact energy; the damage caused by wolfram balls at the impact angles of 450 and 600 is much more serious than that caused by the normal impact, while the damage caused by the impact angle of 300 is less than that caused by the normal impact; the damage degree of the laminate decreases with the increase of the impact angle by hail ices. This study is helpful to deepen the understanding of the damage and failure behavior of T800-CFRP laminates under impact load, and has important scientific significance and engineering value.

关键词

T800碳纤维增强复合材料 / 冰球 / 钨珠 / 非正冲击 / 损伤特性

Key words

T800-Carbon fiber-reinforced polymer composites / hail ice / wolfram ball / non-normal impact / damage characteristics

引用本文

导出引用
尚晓壮1,刘瑶璐1,2,冯晓伟3,胡宁1,4,谭晓军3,胡艳辉3. 冰雹和钨珠非正冲击下T800-CFRP层合板损伤特性的研究[J]. 振动与冲击, 2024, 43(11): 135-147
SHANG Xiaozhuang1, LIU Yaolu1,2, FENG Xiaowei3, HU Ning1,4, TAN Xiaojun3, HU Yanhui3. Damage characteristics of T800-CFRP laminates under non-normal impact of ice balls and tungsten beads[J]. Journal of Vibration and Shock, 2024, 43(11): 135-147

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