Article
Mechanics
Patricia Lucia Zumaquero, Elena Correa, Jesus Justo, Federico Paris
Summary: The study of failure mechanisms in long fiber reinforced composites is crucial for structural design, particularly in understanding transverse damage mechanisms. Experimental results show that secondary tension does not significantly affect failure stress, while secondary compression may accelerate failure.
COMPOSITE STRUCTURES
(2022)
Review
Polymer Science
Bidita Salahuddin, Shaikh N. Faisal, Tajwar A. Baigh, Mohammed N. Alghamdi, Mohammad S. Islam, Bing Song, Xi Zhang, Shuai Gao, Shazed Aziz
Summary: Carbon fiber reinforced polymer composites are high-performance materials that can carry heavy loads and stresses. Coating carbon materials on the fiber surface is a way to enhance the interface between fiber and matrix, providing better adhesion and wettability. Various techniques are used to engineer this interface, ultimately improving the mechanical properties of the composite systems.
Review
Engineering, Multidisciplinary
Jorge Guillermo Diaz-Rodriguez, Alberto David Pertuz-Comas, Octavio Andres Gonzalez-Estrada
Summary: This work analyses the mechanical properties of continuous fibre-reinforced thermoplastic composites manufactured by FDM, summarizing properties such as tension, bending, shear, impact, and fatigue. The results show a wide variation in mechanical properties and a lack of reporting on certain aspects of damage mechanisms in composites.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Chemistry, Physical
Rong Li, Wenge Chen, Kai Zhou, Yuxuan Sun, Yahui Wen, Zhe Wang, Ahmed Elmarakbi, Yong-Qing Fu
Summary: In this paper, copper-tungsten composites were synthesized by preparing porous tungsten skeletons through directional solidification, ice sublimation, and heat treatment, followed by infiltration of copper. The Cu-15 vol% W composites exhibited alternately patterned Cu and W microstructures and showed a good combination of electrical conductivity and hardness. The strengthening mechanisms were attributed to the tungsten network structures formed in the copper matrix.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Manufacturing
Brendan P. Croom, Andrew Abbott, James W. Kemp, Lisa Rueschhoff, Louisa Smieska, Arthur Woll, Stanislav Stoupin, Hilmar Koerner
Summary: The study found that nozzle clogging is closely related to fiber volume fraction, fiber length, and nozzle geometry, with specific mechanisms including misorientation, entanglement, and accumulation of fibers. Suggestions to reduce the prevalence of nozzle clogging have been proposed.
ADDITIVE MANUFACTURING
(2021)
Review
Polymer Science
James Thomason, Georgios Xypolias
Summary: The use of glass fiber-reinforced polymer (GFRP) composites in load-carrying constructions has increased significantly in recent decades. Vinyl ester (VE) resins are being increasingly used in these structural composites, and their long-term environmental exposure consequences need better understanding. Testing the environmental durability of new VE-based GFRPs is time-consuming and costly, and accelerated hydrothermal aging is often used. This paper reviews the literature on hydrothermal aging of VE-based GFRP, focusing on moisture-induced aging, voids, and the fiber-matrix interface on composite mechanical performance.
Article
Engineering, Manufacturing
F. Javanshour, A. Prapavesis, N. Pournoori, G. C. Soares, O. Orell, T. Parnanen, M. Kanerva, A. W. Van Vuure, E. Sarlin
Summary: This article introduces stiff and tough biocomposites prepared by in-situ polymerisation of poly (methyl methacrylate) and ductile non-dry flax fibres. The results show that composites processed with non-dry fibres have comparable shear strength but higher elongation at failure and toughness compared to composites processed with oven-dried fibres. Additionally, non-dry flax fibres significantly increase the perforation energy of flax-PMMA composites under low-velocity impact. The study also investigates the effect of non-dry fibres on fatigue life and failure mode of the composites.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Materials Science, Composites
Rui Guo, Johannes Stubbe, Yuhe Zhang, Christian Matthias Schleputz, Camilo Rojas Gomez, Mahoor Mehdikhani, Christian Breite, Yentl Swolfs, Pablo Villanueva-Perez
Summary: Monitoring the microstructure and damage development of fibre-reinforced composites during loading is crucial to understanding their mechanical properties. In this paper, a new pipeline based on CycleGAN and U-Net-id is established to improve the temporal and spatial resolution for the microstructural analysis of these composites. The results show that data enhanced by this pipeline can achieve similar segmentation quality as high-quality scans that take much longer to acquire.
COMPOSITES SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Xiangzhe Lv, Zaiji Zhan, Haiyao Cao
Summary: In this study, ZrB2-reinforced copper composite material was successfully fabricated using laser direct energy deposition technology, and the microstructure and phase composition were analyzed. The results showed that the needle-like ZrB2 ceramic reinforcement was synthesized via an in-situ synthesis reaction, leading to improved mechanical properties of the composite material.
Article
Materials Science, Multidisciplinary
Xiao Zhang, Qing Liu, Zuoshan Wei, Wei Qin, Fugong Qi, Jiyu Zhou, Haimin Ding
Summary: This work investigates the influence of the initial state of Ti-Si3N4 system on the prepared composites. It is discovered that the size of Si3N4 particles affects the formation of core-shell particles and the aggregation of TiN particles. Furthermore, ball-milling Ti-Si3N4 powders can improve the distribution of TiN, but excessive ball-milling time hinders the dispersion of the enhanced phase. The study demonstrates that ball-milling Ti-Si3N4 mixed powder for 6 hours in a vacuum environment with a ball-to-weight ratio of 6:1 and a milling speed of 300 rpm effectively promotes the uniformity of the microstructure of the TiN-Ti5Si3 reinforced Cu matrix composites.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Construction & Building Technology
Mylene M. Vieira, Sergio H. P. Cavalaro, Antonio Aguado, Dimas A. S. Rambo, Renan P. Salvador
Summary: This study investigated the surface corrosion of steel fibres in high-performance fibre reinforced cementitious composites from a quantitative standpoint. The experiment involved different mixtures of short straight steel fibres and wetting-drying cycles in a 5% NaCl solution. Results showed the formation of corrosion spots on specimen surface, but no significant reduction on the post-cracking response.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Polymer Science
Tomas Kuncius, Marius Rimasauskas, Ruta Rimasauskiene
Summary: This study utilized modified FDM technology for the production of continuous carbon fiber-reinforced composites, aiming to evaluate the shear strength of 3D-printed composite structures. Results demonstrated that reducing layer height significantly enhances shear strength, while the impact of printing line width on shear strength is relatively minor. Additionally, there is a linear correlation between shear area and overlap length with shear force.
Article
Construction & Building Technology
Binrong Zhu, Jinlong Pan, Mingzhong Zhang, Christopher K. Y. Leung
Summary: This study proposes a practical micromechanical model to predict the strain-hardening and multiple microcracking behavior of ECC. The model considers the pore structure characteristics and crack-bridging properties. Monte Carlo simulations and parametric studies were conducted using PE-ECC, and the results were validated with experimental data. The study provides insights for the design of ECC composites.
CEMENT & CONCRETE COMPOSITES
(2022)
Article
Materials Science, Multidisciplinary
A. B. M. Supian, M. Jawaid, B. Rashid, H. Fouad, N. Saba, Hom N. Dhakal, Ramzi Khiari
Summary: The study revealed that the date palm fiber/bamboo hybrid composite exhibited superior mechanical properties and higher water resistance compared to single date palm fiber composite, making it suitable for applications as non-structural and semi-structural components.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Engineering, Mechanical
Federica Amenta, Giovanni Bolelli, Simone Pedrazzi, Giulio Allesina, Francesco Santeramo, Alessandro Bertarini, Paolo Sassatelli, Luca Lusvarghi
Summary: The tribological response of PTFE-based composites for mechanical seals can be significantly affected by the nature of the counterface. Glass fiber (GF) reinforced PTFE composites tend to wear down more against uncoated steel, but produce thicker and more continuous tribofilms compared to carbon fiber (CF) reinforced PTFE composites. The presence of glass debris helps reduce friction coefficients, while the presence of polished Cr2O3 coating on steel surfaces reduces friction by facilitating the retention of transfer material.
Article
Nuclear Science & Technology
Byoung-Yoon Kim, Matteo Marconi, Jean-Christophe Neviere, Mario Merola, Luciano M. Giancarli, Flavio Lucca, Stefan Gicquel
FUSION ENGINEERING AND DESIGN
(2015)
Article
Nuclear Science & Technology
Sa-Woong Kim, Duck-Hoi Kim, Hun-Chea Jung, Sung-Ki Lee, Sung-Chan Kang, Fu Zhang, Byoung-Yoon Kim, Hee-Jae Ahn, Hyeon-Gon Lee, Ki-Jung Jung
FUSION ENGINEERING AND DESIGN
(2015)
Article
Nuclear Science & Technology
Rosaria Villari, Byoung Yoon Kim, Vladimir Barabash, Luciano Giancarli, Bruno Levesy, Michael Loughlin, Mario Merola, Fabio Moro, Romain Pascal, Luigino Petrizzi, Eduard Polunovsky, Jaap G. Van der Laan
FUSION ENGINEERING AND DESIGN
(2015)
Article
Nuclear Science & Technology
Byoung-Yoon Kim, Matteo Marconi, Pietro Alessandro Di Maio, Luc Torres, Flavio Lucca, Stefan Gicquel, Mario Merola, Luciano M. Giancarli
FUSION ENGINEERING AND DESIGN
(2016)
Article
Nuclear Science & Technology
L. M. Giancarli, V. Barabash, D. J. Campbell, S. Chiocchio, J. J. Cordiera, A. Dammann, G. Dell'Orco, J. Elbez-Uzan, J. M. Fourneron, J. P. Friconneau, M. Gasparotto, M. Iseli, C. -Y. Jung, B. -Y. Kim, D. Lazarov, B. Levesy, M. Loughlin, M. Merola, J. -C. Neviere, R. Pascal, W. Ring, I. Schneiderova, S. Willms, A. Siarras, W. Shu, J. A. Snipes, J. G. van der Laan
FUSION ENGINEERING AND DESIGN
(2016)
Article
Nuclear Science & Technology
Anna Marin, Byoung Yoon Kim, Claudio Bertolini, Flavio Lucca, Victor Komarov, Mario Merola, Luciano Giancarli, Stefan Gicquel
FUSION ENGINEERING AND DESIGN
(2013)
Article
Nuclear Science & Technology
R. Pascal, P. Cortes, J. -P. Friconneau, L. M. Giancarli, K. K. Gotewal, M. Iseli, B. Y. Kim, B. Levesy, J. -P. Martins, M. Merola, J. -C. Neviere, L. Patisson, A. Siarras, A. Tesini
FUSION ENGINEERING AND DESIGN
(2013)
Article
Nuclear Science & Technology
Byoung Yoon Kim, Flavien Sabourin, Mario Merola, Luciano Giancarli, R. Villari, P. A. Di Maio, F. Lucca, M. Marconi, B. Levesy
FUSION ENGINEERING AND DESIGN
(2014)
Article
Physics, Fluids & Plasmas
Suk-Kwon Kim, Eo Hwak Lee, Jae-Sung Yoon, Hyun-Kyu Jung, Dong Won Lee, Byoung-Yoon Kim
IEEE TRANSACTIONS ON PLASMA SCIENCE
(2012)
Article
Nuclear Science & Technology
Claudio Bertolini, Luciano M. Giancarli, Byoung-Yoon Kim, Flavio Lucca, Davide Lumassi, Fabio Vigano
FUSION ENGINEERING AND DESIGN
(2019)
Article
Nuclear Science & Technology
Dieter Leichtle, Bastian Weinhorst, Anton Travleev, Lei Lu, Ulrich Fischer, Byoung-Yoon Kim, Jaap van der Laan
FUSION ENGINEERING AND DESIGN
(2019)
Article
Nuclear Science & Technology
Luciano M. Giancarli, Xavier Bravo, Seungyon Cho, Marco Ferrari, Takumi Hayashi, Byoung-Yoon Kim, Artur Leal-Pereira, Jean-Pierre Martins, Mario Merola, Romain Pascal, Iva Schneiderova, Qian Sheng, Amit Sircar, Yuri Strebkov, Jaap van der Laan, Alice Ying
FUSION ENGINEERING AND DESIGN
(2020)
Article
Nuclear Science & Technology
M. Harb, J. H. Park, D. Leichtle, J. P. Martins, B. Y. Kim, J. G. van der Laan, J. Bergman
Summary: ITER plans to install two Test Blanket Systems in two Equatorial Ports for testing different concepts of tritium breeding blankets. This paper discusses the results of a comprehensive nuclear analysis of the revised Pipe Forest and Blanket Plug, revealing that additional shielding plates can significantly reduce neutron flux and SDDR.
FUSION ENGINEERING AND DESIGN
(2021)
Article
Nuclear Science & Technology
M. Harb, D. Leichtle, B-Y Kim, J-P Martins, J. G. van der Laan, J. Bergman, E. Polunovskiy, A. Serikov
Summary: The evolution of pipe forest and bioshield plug designs in the test blanket module program of ITER project has been studied through nuclear analyses. The results show that combining shielding panels on the PF enclosure with those in the BP dogleg can significantly reduce radiation fields and shutdown dose rate in different plasma operational modes.
FUSION SCIENCE AND TECHNOLOGY
(2023)
Article
Nuclear Science & Technology
Byoung-Yoon Kim, Adrien Bommenel, Luciano M. Giancarli, David Hamilton, Eamonn Quinn, Paul Talbot
Summary: The objective of the ITER project is to demonstrate the scientific and technological feasibility of fusion energy. To investigate the self-sufficiency of tritium fuel, test blanket modules are used in ITER. The design of the test blanket modules must be validated for leak tightness and compatible with remote handling operations. Experimental programs have been performed to demonstrate the feasibility of critical remote handling refurbishment tasks.
FUSION ENGINEERING AND DESIGN
(2023)
Article
Materials Science, Multidisciplinary
Baihong Chen, Changyue Liu, Zengting Xu, Zhijian Wang, Rui Xiao
Summary: In this study, both polydomain and monodomain liquid crystal elastomers (LCEs) were synthesized and their shape change with temperature under a certain stress level was characterized. A thermo-order-mechanical coupling model was developed to predict the shape change of LCEs, showing good consistency with experimental results.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Peng Wang, Fei Xu, Yiding Wang, Jun Song, Cheng Chen
Summary: This study investigates the interplay of super-screw dislocations and coherent twin boundary (CTB) in Ni3Al using molecular dynamics simulations and dislocation continuum theory. Various interaction mechanisms are observed depending on the stress and dislocation gliding pathways. A continuum model framework is developed to evaluate the critical shear stress required for CTB to accommodate dislocations along different pathways, considering the effects of anti-phase boundary (APB) and Complex Stacking Fault (CSF). The study suggests that the resistant force of CTB against all gliding dislocations is a more appropriate metric for quantifying its strength.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Chenyu Du, Haitao Cui, Hongjian Zhang, Zhibin Cai, Weikuo Zhai
Summary: A thermal-elastoplastic phase field model was developed to simulate thermal fatigue crack growth. The accuracy and availability of the model were verified through typical examples. The results indicate that the proposed model effectively simulates the process of thermal fatigue crack propagation in elastoplastic solids. The appropriate regularization length needs to be determined based on experimental results.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
J. Carlsson, A. Kuswoyo, A. Shaikeea, N. A. Fleck
Summary: The sensitivity of the compressive strength of a polymeric Kelvin lattice to the presence of an epoxy core is investigated both experimentally and numerically. The study shows that the epoxy core prevents the formation of crush bands in the lattice and changes its deformation mode. At finite strain, the strength of the lattice is degraded by bending failure and cracking of the struts and adjacent core, leading to the formation of vertical fissures.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Saptarshi Paul, Anurag Gupta
Summary: In this study, we investigate the geometry and mechanics of the buckled orthotropic von Karman elastic plate with free boundary condition, in the presence of an isolated positive or negative disclination. The shape of the buckled plate is cone-like for a positive disclination and saddle-like for a negative disclination. With increasing orthotropy, the shape of the buckled plate becomes more tent-like and the Gaussian curvature spreads along the ridge of the tent. The stress fields are focused in the neighborhood of the defect point and the ridge, indicating that most of the stretching energy is accommodated in these singular regions.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Antu Acharya, Vikram Muthkani, Anirvan DasGupta, Atul Jain
Summary: This study proposes filler-based and infill-based strategies for creating auxetic lattices with enhanced stiffness. The elastic properties of the sinusoidal re-entrant honeycomb lattice are developed and validated using finite element models. Parametric studies are conducted to find combinations leading to enhanced stiffness with minor loss in auxeticity. The results demonstrate the possibility of achieving a significant increment in stiffness while retaining significant auxeticity. The proposed approaches outperform existing approaches in terms of stiffness and auxeticity.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Biswajit Pal, Ananth Ramaswamy
Summary: This study presents a multi-scale approach to simulate the shrinkage and creep of concrete, addressing the limitations of existing macroscopic prediction models due to the heterogeneous nature of concrete. The model is validated with experimental data and compared to national codes and macroscopic models, demonstrating its effectiveness in overcoming the gaps in existing models.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Akash Kumar Behera, Mohammad Masiur Rahaman, Debasish Roy
Summary: Ceramics have attractive properties but low fracture toughness is a major drawback. There is interest in improving the mechanical performance of ceramics by tailoring residual stresses. However, there is a lack of computational models that can accurately predict crack paths and quantify the improved fracture toughness.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Bineet Kumar, Sandeep Kumar Dubey, Sonalisa Ray
Summary: This study aims to develop an energy-based theoretical formulation for predicting the evolution of the fracture process zone in concrete under fatigue loading. Experimental results and calibrations indicate that the specimen size and aggregate size affect the fracture behavior and process zone length of concrete.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Zheliang Wang, Hao Sheng, Xinyi Lin, Yifan Rao, Jia Liu, Nanshu Lu
Summary: In this study, an analytical framework is proposed for investigating the behavior of laminated beams with any number of layers under various bending conditions, and the theory is validated through finite element analysis. It was found that the number of layers, applied deformation, layer properties, and layer aspect ratio have an impact on the equivalent flexural rigidity.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Michael Schwaighofer, Markus Konigsberger, Luis Zelaya-Lainez, Markus Lukacevic, Sebastian Serna-Loaiza, Michael Harasek, Florian Zikeli, Anton Friedl, Josef Fussl
Summary: In this study, nanoindentation relaxation tests were re-evaluated on five industrial lignins extracted from different feedstocks. It was found that the viscoelastic properties of all tested lignins were practically identical and independent of the feedstock and the extraction processes.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Tian Han, Dandan Qi, Jia Ma, Chaoyang Sun
Summary: In this study, a generative design method was used to propose new modified lattice structures suitable for tensile and compressive loading conditions. By conducting experimental and finite element analyses, it was confirmed that the derived structures have improved load-bearing capacity and energy absorption compared to the original structures. The effects of shape parameters on mechanical properties were also discussed.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Wenbin Zheng, Jay Airao, Ramin Aghababaei
Summary: Spinodal decomposition of Ti1-xAlxN crystal structure significantly affects their physical properties. This study uses three-dimensional molecular dynamics simulations to investigate the phase transformation mechanism and surface finish during material removal in TiAlN. The simulations reveal that the aluminum content and cutting depth have a significant influence on the phase transformation process through spinodal decomposition.
MECHANICS OF MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Atasi Ghosh
Summary: The micro-mechanism of low cycle fatigue deformation behavior has been summarized and the recent development in the approach of numerical simulation of cyclic stress-strain behavior of polycrystalline metallic materials at multi-scale has been discussed.
MECHANICS OF MATERIALS
(2024)
