Numerical modeling and experimental validation of lamina fracture and progressive delamination in composite dovetail specimens under tensile loading

HK Noh, MS Go, JH Lim, YH Choi, JG Kim - Composite Structures, 2023 - Elsevier
In this work, a numerical simulation was conducted to investigate the lamina fracture and
progressive interlaminar failure behavior of a dovetail specimen of composite fan blades …

Prediction of the transverse elastic modulus of the unidirectional composites by an artificial neural network with fiber positions and volume fraction

DW Kim, SM Park, JH Lim - Functional Composites and …, 2021 - iopscience.iop.org
This paper presents the development of artificial neural network (ANN) modeling for
predicting the transverse elastic modulus of a unidirectional composite (E-glass/MY750) with …

Machine learning-assisted modelling of stress concentration factor of unidirectional fiber composites for predicting their tensile strength

JH Choi, W Na, WR Yu - … and Simulation in Materials Science and …, 2022 - iopscience.iop.org
Significant variations in the tensile strength of unidirectional (UD) fiber-reinforced
composites are frequently observed due to randomness in the fiber arrays. Herein, we …

Development of Composite Tape-Springs for Deployable Structures

YB Kim, G Jung, D Kim, HS Choi, JH Lim - Composites Research, 2021 - koreascience.kr
In this paper, development of tape-springs made of composite materials was conducted for
the deployment structures along with design, analysis, fabrication, and numerical and …

Analysis of the influence of the interphase thickness and Young's modulus based on the 3-phase composites for the design of graphene nanocomposites

HD Kim, HS Lee - Journal of Mechanical Science and Technology, 2023 - Springer
In this study, we investigate the relationship between interphase and Young's modulus
influence in 3-phase composites for the design of graphene-based composites. We …

Effect of Graphitic Nanofibers on Interfacial Adhesion and Fracture Toughness of Carbon Fibers-reinforced Epoxy Composites

SH Kim, SJ Park - Composites Research, 2021 - koreascience.kr
The mechanical properties of carbon fiber-reinforced epoxy composites (CFRPs) are greatly
dependent on the interfacial adhesion between the carbon fibers and the epoxy matrix …

Effects of fiber arrangements on stress distributions over the transverse cross section of unidirectionally continuous fiber-reinforced composites

S Choi, W Ji - Composites Research, 2020 - koreascience.kr
Stress distributions dependent on fiber arrangements are studied using the two-dimensional
representative volume element (RVE) model for uni-directionally continuous fiber-reinforced …

Thermomechanical homogenization of fiber-reinforced composite materials using artificial intelligence

최재혁 - 2023 - s-space.snu.ac.kr
Fiber-reinforced plastics (FRPs) have replaced metals in various industrial products to
achieve weight reduction due to their excellent specific properties (ie, high mechanical …