Detection of delamination of steel-polymer sandwich composites using acoustic emission and development of a forming limit diagram considering delamination

被引：3
作者：
Yang, Jewook
Han, Sungjin
Yu, Woong-Ryeol [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, 1 Gwanak Ro, Seoul 151744, South Korea
来源：
HELIYON | 2023年 / 9卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Acoustic emission; Delamination; Finite element analysis; Forming limit diagram; Steel -polymer sandwich composites; FINITE-ELEMENT; BEHAVIOR; PREDICTION; FORMABILITY; SIMULATION; STRENGTH; MODEL;
D O I：
10.1016/j.heliyon.2023.e16942
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The formability of steel-polymer sandwich composites was investigated using a new forming limit diagram (FLD) while considering delamination and fracture. The acoustic emission (AE) technique was used to observe delamination during the forming process. Several tests, including tensile and lap shear tests, were performed to identify the AE features of delamination. In addition, finite element simulations were carried out using the cohesive zone model to predict the delamination of steel-polymer sandwich composites. An FLD of the sandwich composite was also constructed using the finite element model. Finally, the effect of interfacial adhesion on the formability of sandwich composites was investigated, from which the optimal condition for interfacial adhesion (in terms of ensuring the formability of the sandwich composite) was obtained.
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页数：13
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