Comparative study on the low-velocity impact properties of unidirectional flax and carbon fiber reinforced epoxy plates

被引：11
作者：
Wang, Anni [1 ]
Liu, Xiaogang [1 ]
Yue, Qingrui [1 ]
Xian, Guijun [2 ,3 ,4 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Res Inst Urbanizat & Urban Safety, Beijing, Peoples R China
[2] Harbin Inst Technol, Minist Ind & Informat Technol, Key Lab Smart Prevent & Mitigat Civil Engn Disaste, Harbin, Peoples R China
[3] Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin 150090, Peoples R China
[4] Harbin Inst Technol, Sch Civil Engn, Harbin, Heilongjiang, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2024年 / 31卷 / 16期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Impact properties; flax fiber reinforced polymer composite; carbon fiber reinforced polymer composite; compression after impact; acoustic emission; damage analysis; DAMAGE; COMPOSITES; THICKNESS; COMPRESSION; FLAX/EPOXY; RESISTANCE; STRENGTH; BEHAVIOR; TESTS;
D O I：
10.1080/15376494.2023.2179705
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flax and carbon fibers reinforced polymer composites have high potentials to be used as sustainable building materials. To understand the impact resistance of these fiber composites, the present article studied the impact resistance of unidirectional flax fiber and carbon fiber reinforced polymer (FFRP and CFRP) composite plates. The impact response, damage resistance, and impact tolerance were investigated using drop hammer impact and compression after impact (CAI) tests. The internal damage of FFRP and CFRP due to impact loads was studied using acoustic emission technology. In addition, the development process of impact damage was analyzed. CFRP plates show a higher specific energy absorption rate than that of FFRP, because of the more serious internal damage and brittle fracture tendencies. Matrix cracking was the primary damage in FFRP and CFRP under impact load. Compared with CFRP, FFRP possesses a higher CAI due to less damage. Further expansion of the matrix crack caused by the original impact occurs in the impacted fiber-reinforced polymer composites (FRP) under a compressive load.
引用
收藏
页码：3531 / 3542
页数：12
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