Failure characterisation of sandwich beams using integrated acoustic emission and digital image correlation techniques

被引：4
作者：
Pyrzowski, Lukasz [1 ]
Knak, Magdalena [1 ]
Rucka, Magdalena [1 ,2 ]
机构：
[1] Gdansk Univ Technol, Fac Civil & Environm Engn, Dept Mech Mat & Struct, Narutowicza 11-12, PL-80233 Gdansk, Poland
[2] Gdansk Univ Technol, EkoTech Ctr, Narutowicza 11-12, PL-80233 Gdansk, Poland
来源：
COMPOSITE STRUCTURES | 2023年 / 322卷
关键词：
Failure characterisation; Non-destructive testing (NDT); Acoustic emission (AE); Digital image correlation (DIC); Sandwich structures; Glass fibre reinforced plastics (GFRP); CORE; PERFORMANCE; COMPOSITES; BEHAVIOR; PANELS; IDENTIFICATION;
D O I：
10.1016/j.compstruct.2023.117361
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The paper presents the experimental study of the failure behaviour of sandwich beams subjected to bending. The samples examined are sandwich beams made of polyethylene terephthalate foam core and glass fibre-reinforced polymer laminate face sheets. In a series of experiments, it has been proposed to integrate diagnostic techniques with acoustic emission and digital image correlation to accurately track the cracking process on the surface as well as in the entire volume of the beam. The research programme carried out allowed observing various modes of failure in composite specimens. The results obtained showed that the integration of acoustic and optical diagnostic techniques provided complementary results and can be used successfully for failure monitoring in sandwich beams.
引用
收藏
页数：13
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