Article
Materials Science, Composites
Jing Ye, Yan Gao, Yushan Wu, Cheng Liu, Jiale Dong, Huan Wang, Bo Su, Hua-Xin Peng
Summary: A new method called nano-scale electrochemical sculpture (NES) has been developed to enhance the bonding strength of fiber metal laminates (FMLs-NES). Through systematic investigation and comparison with traditional surface treatments, it has been found that FMLs-NES exhibits the smallest damage area and energy absorption, while maintaining structural integrity after impact. Finite element simulations have also provided insights into the impact damage progression and failure mechanisms, and the validated finite element model can be used to optimize the stacking sequence and predict residual strength after impact.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Mechanical
Shuai Zhu, Wenfei Peng, Yiyu Shao, Shujian Li
Summary: This paper conducted experiments and finite element method (FEM) simulations of high-velocity hail impact on carbon fiber reinforced aluminum alloy laminates (CARALL). CARALL were prepared using an autoclave process after surface anodizing. The hail impact tests were conducted with different impact velocities, impact angles, and ply sequences using a light gas gun. The FEM model of the high-velocity impact was established and verified by comparing with experimental results. The effects of different parameters on the hail impact resistance of CARALL were studied based on energy absorption and internal damage mechanism.
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
(2023)
Article
Mechanics
Sasanka Kakati, D. Chakraborty
Summary: This paper investigates the oblique low velocity impact behavior of clamped GLARE plates and analyzes the influence of obliquity and coefficient of friction on the impact mechanism and extent of interfacial delamination.
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
(2023)
Article
Engineering, Mechanical
Jeffrey M. Staniszewski, Steven E. Boyd, Travis A. Bogetti
Summary: Ultra-high molecular weight polyethylene (UHMWPE) composites are commonly used in protective armor systems, and the design of such systems has traditionally relied on empirical studies, which can be costly and time consuming. A multi-scale, finite element-based representative volume element (RVE) approach has been developed to capture the ply-level material nonlinearity and strain-induced fiber reorientation of UHMWPE composites subjected to low-velocity impact (LVI) loading. This approach accurately predicts the impact performance of UHMWPE composite materials and can be used to evaluate various laminate architectures and processing conditions.
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
(2022)
Article
Polymer Science
Yinyuan Huang, Felix Thompson EShun, Junfeng Hu, Xutong Zhang, Jianping Zhao, Siqi Zhang, Rui Qian, Zhou Chen, Dingding Chen
Summary: This study investigates the low-velocity impact response of continuous CFRP and UACS laminates with vertical slits under drop-weight impact. The results show that the delamination damage of UACS laminates increases with the increase of impact energy. Moreover, compared to continuous CFRP laminates, UACS laminates have an approximately 80% increase in energy absorption at 7 J.
Article
Mechanics
Yu Gong, Xinjian Chen, Wangchang Li, Libin Zhao, Junan Tao, Jianyu Zhang, Ning Hu
Summary: The effects of stacking sequence on the R-curve and traction-separation relation in unidirectional and multidirectional CFRP DCB laminates were systematically investigated, showing strong influence on fiber bridging length, steady-state fracture toughness, and maximum bridging stress. However, there was no clear relationship between these factors and the stacking sequence. The obtained traction-separation relations were successfully integrated into a tri-linear cohesive zone model and numerical results agreed well with test results, demonstrating applicability for delamination modeling in composite laminates with fiber bridging effects.
COMPOSITE STRUCTURES
(2021)
Article
Materials Science, Composites
Gholamhossein Majzoobi, Mohammad Kashfi, Mohsen Keshavarzan, Mohammadreza Riazalhosseini
Summary: The ballistic performance of FML 3/2 was found to be 75.63% higher than FML 2/1, with significantly improved specific perforation energy. Despite being thicker, FML 3/2 demonstrated better resistance to impact and penetration for various types of projectile noses.
POLYMER COMPOSITES
(2022)
Article
Materials Science, Composites
Gang Wei, Chenyu Hao, Jingyu Ai, Yan Feng, Yunfei Deng
Summary: This work studied the failure mode and ballistic protection capability of a carbon fiber aluminum alloy laminated target plate under high-speed projectile impact through ballistic impact tests. The impact resistance of the laminated aluminum alloy and carbon fiber laminates was analyzed considering lamination sequence and warhead shape differences. Results showed that the lamination sequence had a significant effect on anti-impact performance only for flat head projectiles, while ovoid projectiles had little effect. In the fiber-metal composite configuration, placing an aluminum plate in front of the carbon fiber plate exhibited the best resistance to flat head bullet impact, with a ballistic limit speed of 135 m/s and a 26% overall improvement in impact resistance compared to other configurations. Unlike flat head projectiles, ovoid projectile impacts caused severe tensile and tear damage.
POLYMER COMPOSITES
(2023)
Article
Engineering, Civil
Lu Yao, Hang Yu, Changzi Wang, Wentao He
Summary: This paper investigates the dynamic response and accumulated damage characteristics of FML under successive impact loads through experimental tests and numerical modeling. The study demonstrates the impact behavior, failure mechanisms, and damage tolerance of FML under different impact angles. Results show an enhancement in stiffness and damage tolerance of FML after the first impact, with different impact angles affecting the response and damage characteristics.
THIN-WALLED STRUCTURES
(2021)
Article
Mechanics
Congzhe Wang, Anastasios P. Vassilopoulos, Thomas Keller
Summary: This study numerically investigated the two-dimensional delamination growth in FRP laminates under Mode I loading condition using finite element analyses. The results showed that flatter pre-crack or loading zone shapes could result in higher initial structural stiffness and less uniform distribution of the strain energy release rate along the pre-crack perimeter. The final crack shape was dependent on the loading zone shape and area, but the effects were relatively weak.
ENGINEERING FRACTURE MECHANICS
(2021)
Article
Materials Science, Composites
Chao Zhang, Yuefeng Gu, Pibo Ma, Diantang Zhang
Summary: A nonlinear finite element model is developed to investigate the damage behavior of carbon fiber reinforced aluminum laminates (CRALLs) under high velocity fragments impact. The model considers the strain rate effect of composite ply and predicts the intra-laminar damage based on 3D Hashin criteria. The Johnson-cook model is used to simulate the high velocity fragments impact response of the aluminum layer, and cohesive elements are introduced to describe the inter-laminar delamination phenomena. The proposed model is validated with experimental data and used to predict the fragments impact behavior of FMLs. The dynamic response and damage mechanism of FMLs are analyzed, and the effects of explosion distance, explosion mass, and impact angle on the impact performance are discussed in detail.
APPLIED COMPOSITE MATERIALS
(2023)
Article
Engineering, Aerospace
Jian Jiang, Zhifang Zhang, Jiyang Fu, Hongxu Wang, Ching-Tai Ng
Summary: This paper proposes a damage constitutive model for composite laminates under impact loading that considers through-thickness compression failure. The study compares this model with those that do not consider through-thickness compression failure, aiming to improve impact response analysis and discuss the necessity of including such damage in simulations. The results show that the proposed constitutive model accurately predicts impact force, displacement, damage, and energy absorption of laminates, confirming the occurrence of through-thickness compression damage near the impact side. Longitudinal fiber and matrix tension damage primarily occur in the annular region around the impact center on the laminates' rear side.
AEROSPACE SCIENCE AND TECHNOLOGY
(2023)
Article
Engineering, Manufacturing
Anil R. Ravindran, Raj B. Ladani, Shuying Wu, Chun H. Wang, Adrian P. Mouritz
Summary: Platelet designs inspired by nacre shell microstructure are effective in improving the pseudo-ductility properties of brittle fibre reinforced polymer laminates. This study investigates the effects of tiling pattern, overlapping length, and interlaminar toughness on the tensile properties and failure modes of platelet laminates inspired by nacre. The findings are used to optimize the design for maximal pseudo-ductility.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Mechanics
Christian Gerendt, Maryam Hematipour, Nils Englisch, Sven Scheffler, Raimund Rolfes
Summary: This study presents a new continuum damage modeling framework for the predictive strength and fatigue analysis of mechanical joints in fiber-reinforced polymer (FRP) composites with local metal hybridization. The framework is able to predict the joint's failure mode under both static and fatigue loading, which is crucial for the identification of damage tolerant lightweight joint designs.
COMPOSITE STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Ankush P. Sharma, R. Velmurugan
Summary: The study reveals that FMLs with more metallic layers demonstrate better performance in low-velocity and high-velocity impacts, while the low-velocity impact resistance of titanium-based FMLs seems higher than aluminum-based FMLs.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2022)
Article
Engineering, Mechanical
Mahesa Akbar, Jose Luis Curiel-Sosa
INTERNATIONAL JOURNAL OF MECHANICS AND MATERIALS IN DESIGN
(2018)
Article
Materials Science, Composites
Chao Zhang, Jose L. Curiel-Sosa, Tinh Quoc Bui
APPLIED COMPOSITE MATERIALS
(2019)
Article
Materials Science, Composites
Chao Zhang, Chunjian Mao, Jose L. Curiel-Sosa, Tinh Quoc Bui
APPLIED COMPOSITE MATERIALS
(2018)
Article
Mechanics
M. Akbar, J. L. Curiel-Sosa
COMPOSITE STRUCTURES
(2018)
Article
Materials Science, Multidisciplinary
M. I. M. Ahmad, J. L. Curiel-Sosa, S. Arun, J. A. Rongong
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS
(2019)
Article
Engineering, Aerospace
Razvan M. Apetrei, Jose L. Curiel-Sosa, Ning Qin
JOURNAL OF AIRCRAFT
(2019)
Article
Engineering, Mechanical
Tan-Van Vu, Jose L. Curiel-Sosa, Tinh Quoc Bui
INTERNATIONAL JOURNAL OF MECHANICS AND MATERIALS IN DESIGN
(2019)
Article
Mechanics
A. Alsaadi, J. Meredith, T. Swait, J. L. Curiel-Sosa, S. Hayes
COMPOSITE STRUCTURES
(2019)
Article
Computer Science, Interdisciplinary Applications
Chao Wang, Tiantang Yu, Jose L. Curiel-Sosa, Nenggang Xie, Tinh Quoc Bui
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
(2019)
Article
Mechanics
F. Cepero-Mejias, J. L. Curiel-Sosa, C. Zhang, V. A. Phadnis
COMPOSITE STRUCTURES
(2019)
Article
Mechanics
M. Akbar, J. L. Curiel-Sosa
COMPOSITE STRUCTURES
(2019)
Article
Engineering, Multidisciplinary
A. Alsaadi, J. Meredith, T. Swait, J. L. Curiel-Sosa, Yu Jia, S. Hayes
COMPOSITES PART B-ENGINEERING
(2019)
Article
Mechanics
Tan-Van Vu, Hieu Nguyen-Van, Cung H. Nguyen, Trong-Phuoc Nguyen, Jose L. Curiel-Sosa
Summary: A new refined arctangent exponential shear deformation theory is proposed in this paper for analyzing the mechanical behavior of isotropic and sandwich FGM plates. The theory reduces computational efforts and shows accuracy and efficiency in numerical validations.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2023)
Article
Materials Science, Multidisciplinary
Ang Li, Kai Qiao, Jose L. Curiel-Sosa, Chao Zhang
Summary: This work evaluates the thermo-mechanical behavior and failure mechanisms of 3D braided composites under off-axis tensile loadings at different temperatures. The numerical results indicate that high temperature weakens the matrix properties while off-axis loading changes the load distribution of fiber yarn.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2022)
Article
Mechanics
Rawan Aqel, Patrick Severson, Rani Elhajjar
Summary: A novel core splice joint configuration for composite sandwich structures is studied and proposed to improve the strength and toughness. Experimental and numerical efforts show that this configuration can significantly increase the ultimate strength by 13% to 51% and the toughness by 2% to 35%.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Xianheng Wang, Cong Chen, Jinsong Zhang, Xinming Qiu
Summary: In this paper, a new form-finding method based on spatial elastica model (FMSE) is proposed for elastic gridshells. The method integrates the deformations of elastic rods into the overall deformation of the gridshell, and solves a set of transcendental equations using the quasi-Newton method to ensure the deformation satisfies the given boundary conditions. The method is validated through experiments and expected to have potential applications in the investigations of elastic gridshells.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Hao Huang, Zitong Guo, Zhongde Shan, Zheng Sun, Jianhua Liu, Dong Wang, Wang Wang, Jiale Liu, Chenchen Tan
Summary: The conventional evaluation of 3D braided composites' mechanical properties through numerical and experimental methodologies hinders material application due to the expenses, time constraints, and laborious efforts involved. This study establishes a multi-scale finite element model and a surrogate model for predicting the elastic properties of 3D4D rotary braided composites with voids. By optimizing a neural network model, the results are validated and provide valuable insights into the microstructure and properties of these composites.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Xinyu Li, Hao Zhang, Haiyang Yang, Junrong Luo, Zhongmin Xiao, Hongshuai Lei
Summary: Due to their excellent mechanical properties and design flexibility, fluted-core composite sandwich structures have gained significant attention in aerospace and rail transit applications. This study investigated the free-vibration characteristics and optimized design of composite fluted-core sandwich cylinders through theoretical models and experimental tests.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Chao Li, Chunzheng Duan, Xiaodong Tian, Chao Wang
Summary: A mechanistic model considering the bottom edge cutting effect and the anisotropic characteristics of the material is proposed in this paper to accurately predict cutting forces. The model was validated through a series of milling experiments and can be used to predict the cutting force of various parts of the cutter and any feed direction.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Camila Sanches Schimidt, Leopoldo Pisanelli Rodrigues de Oliveira, Carlos De Marqui Jr
Summary: This work investigates the vibro-acoustic performance of graded piezoelectric metamaterial plates. The study shows that piezoelectric metamaterial plates with reconfigurable properties can provide enhanced vibration and sound power attenuation.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Jun Ke, Li-jie Liu, Zhen-yu Wu, Zhong-ping Le, Luo Bao, Dong-wei Luo
Summary: Compared with other green natural fibers, ramie has higher mechanical properties and lower cost. In this study, ramie and glass fiber are made into composite circular tubes. The results show that the hybrid circular tube with ramie and glass fiber has improved torsional mechanical properties and reduced weight and cost. The failure mechanisms are affected by the loading direction and the content of each fiber.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Natalia Pingaro, Gabriele Milani
Summary: This paper proposes an enhanced analytical model for predicting the behavior of FRCM samples tested under standard tensile tests. The model takes into account the interaction between fibers and matrix through the interface, and assumes different material properties at different phases. By solving a second order linear differential equation, an analytical solution can be obtained. The model is validated with experimental data and shows good predictability.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Jialiang Fan, Anastasios P. Vassilopoulos, Veronique Michaud
Summary: This article investigates the effects of voids, joint geometry, and test conditions on the fracture performance of thick adhesive Double Cantilever Beam (DCB) joints. It concludes that grooved DCB joints with low void content tested at low displacement rates showed stable crack propagation without significant crack path deviation.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Auwalu I. Mohammed, Kaarthikeyan Raghupathy, Osvaldo De Victoria Garcia Baltazar, Lawson Onokpasah, Roger Carvalho, Anders Mogensen, Farzaneh Hassani, James Njuguna
Summary: This study investigates the performance of composite pressure vessels under damaged and undamaged conditions, providing insights into their reliability and residual strength capabilities. The results demonstrate that the damage profile and its effect on compressive strength are similar between damaged and non-damaged cylinders. When subjected to quasi-static compression, the polyethylene liner absorbs enough elastic strain energy to recover without plastic deformation. Additionally, quasi-static compression has little to no influence on the axial strength of the cylinders. The damage characterization reveals fiber breakage, delamination, local buckling, and brooming failure. This study has direct implications for the safety design tolerances, manufacturing strategies, and operational failure conditions of composite overwrapped pressure vessels (COPVs).
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Muhammad Irfan Shirazi, Samir Khatir, Djilali Boutchicha, Magd Abdel Wahab
Summary: Structural health monitoring is important to ensure the safety of components and structures. This study proposes a method using finite element models and 1D-CNN network to extract and classify vibration responses for crack detection. The results show that the proposed approach is effective in real-time damage detection.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Maryam Mirsalehi, Kiarash Kianpour, Sharif Shahbeyk, Mohammad Bakhshi
Summary: This study comprehensively investigates the one-way response of 3D-woven sandwich panels (3DWSPs) and their interfering parameters, providing interpretation of elastic and failure results, failure maps, and reliable theoretical models for linear elastic response and observed failure mechanisms.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Yiming Zhao, Zhonggang Wang, Zhigang Yang, Bin Qin
Summary: The paper proposes a Ritz and statistical energy analysis (Ritz SEA) hybrid method for calculating rectangular plate acoustic vibration coupling in the mid-frequency range. This method combines the fast convergence and ability to handle arbitrary boundary conditions of the Ritz method with the power flow equation of the statistical energy analysis method. The results show that this approach effectively filters out random fluctuations in mid-frequency domains while demonstrating exceptional stability and precision.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Joao Henrique Fonseca, Woojung Jang, Dosuck Han, Naksoo Kim, Hyungyil Lee
Summary: This study addresses the enhancement of an injection-molded fiber-reinforced plastic / metal hybrid automotive structure and its plastic injection molding process through the integration of the finite element method, artificial intelligence, and evolutionary search methods. Experimental validation of finite element models, the generation of a database through orthogonal array and Latin hypercube methods, and the training of artificial neural networks are conducted. The genetic optimization algorithm is then applied to identify optimal process parameters. The results show significant reduction in product warpage and manufacturing time while maintaining structural strength, contributing to the advancement of composite automotive structures with superior quality.
COMPOSITE STRUCTURES
(2024)
Article
Mechanics
Alessandro Vescovini, Carina Xiaochen Li, Javier Paz Mendez, Bo Cheng Jin, Andrea Manes, Chiara Bisagni
Summary: This paper presents a study on six single-stringer specimens manufactured using the card-sliding technique with non-crimp fabrics and adopting a Double-Double (DD) stacking sequence. The specimens were tested under compression loading conditions to investigate post-buckling and failure in aerospace structures. Experimental results and numerical simulations were compared to analyze the behavior and failure modes of the specimens. The study found promising evidence of a viable solution to optimize aeronautical structures and enhance resistance to skin-stringer separation, particularly with the use of tapered flanges.
COMPOSITE STRUCTURES
(2024)