Z-pin增强复合材料加筋构件连接性能研究

doi:10.19936/j.cnki.2096-8000.20230928.015

复合材料科学与工程 ›› 2023, Vol. 0 ›› Issue (9): 98-105.DOI: 10.19936/j.cnki.2096-8000.20230928.015

Z-pin增强复合材料加筋构件连接性能研究

刘维伟, 尹明鑫^*, 滕薛蓓, 靳可心, 严斌

西北工业大学机电学院,西安710072

收稿日期:2022-07-07 出版日期:2023-09-28 发布日期:2023-10-20
通讯作者: ^*尹明鑫(1998—),男,硕士研究生,主要从事复合材料层间增韧方面的研究,2916926259@qq.com。
作者简介:刘维伟(1970—),男,副教授,博士,主要从事先进复合材料结构设计与制造方面的研究。

Study on connection performance of Z-pin reinforced composite members

LIU Weiwei, YIN Mingxin^*, TENG Xuebei, JIN Kexin, YAN Bin

School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China

Received:2022-07-07 Online:2023-09-28 Published:2023-10-20

摘要/Abstract

摘要： 通过横向三点弯曲试验研究Z-pin直径和体积分数对复合材料加筋类简化构件连接性能的影响。随着Z-pin体积分数的增加,Z-pin增强试件相比于空白对照试件,有效载荷提升48.41%~96.97%,总能量耗散提升661.88%~748.72%,本试验组研究结果表明高Z-pin体积分数可以有效提高加筋试件的承载能力。在Z-pin体积分数同为0.4%的情况下,Z-pin直径为0.5 mm的试验组的承载能力略高于Z-pin直径为0.3 mm的试验组的承载能力,但Z-pin直径为0.3 mm的试验组具有更好的稳定性。试验结果表明Z-pin的植入能够提高复合材料加筋类简化构件的有效载荷及能量耗散,很大程度上提高了加筋试件的连接性能。

关键词: Z-pin, 加筋构件, 有效载荷, 连接性能, 复合材料

Abstract: The transverse three-point bending tests were used to study the impact of Z-pin diameter and volume content on the connection performance of composite toughened simplified components. Compared to the blank control group, the payload of Z-pin toughened specimens increased by 48.41% to 96.97% and the total energy dissipation by 661.88% to 748.72% with an increase in Z-pin volume content. The results of this test show that toughened specimens’ load carrying capacity can be significantly increased by using high Z-pin volume content. The load carrying capacity of the test group with the Z-pin diameter of 0.5 mm is slightly greater than that of the test group with the Z-pin diameter of 0.3 mm, but the test group with the Z-pin diameter of 0.3 mm has better stability in the case of the same Z-pin volume content of 0.4%. According to the test results, Z-pin implantation can improve the payload and energy dissipation of the composite toughened class’s simplified members and, obviously, enhance the connection performance of the toughened specimens.

Key words: Z-pin, reinforced member, payload, connection performance, composite materials

中图分类号:

TB332

刘维伟, 尹明鑫, 滕薛蓓, 靳可心, 严斌. Z-pin增强复合材料加筋构件连接性能研究[J]. 复合材料科学与工程, 2023, 0(9): 98-105.

LIU Weiwei, YIN Mingxin, TENG Xuebei, JIN Kexin, YAN Bin. Study on connection performance of Z-pin reinforced composite members[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(9): 98-105.

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Z-pin增强复合材料加筋构件连接性能研究

Study on connection performance of Z-pin reinforced composite members

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