Article
Materials Science, Composites
Emily R. Pittman, Leslie E. Lamberson
Summary: Composite structures used in aerospace, automotive, and military applications may experience material degradation when exposed to aggressive marine or water environments. This study investigates the effects of moisture absorption and saline on the dynamic fracture behavior of unidirectional carbon epoxy composites.
JOURNAL OF COMPOSITE MATERIALS
(2022)
Article
Engineering, Multidisciplinary
Jonathan Fuller, Sam Mitchell, Thomas Pozegic, Xun Wu, Marco Longana, Michael Wisnom
Summary: Testing angle-ply CFRP composites under different environmental conditions shows significant influence of temperature and moisture on their performance. Specimens at different temperatures exhibit different failure behaviors, with wet specimens showing lower failure stresses and higher failure strains compared to dry specimens.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Polymer Science
Monica Penas-Caballero, Enrico Chemello, Antonio Mattia Grande, Marianella Hernandez Santana, Raquel Verdejo, Miguel A. A. Lopez-Manchado
Summary: Self-healing materials offer a potential solution to the problem of damage to fibre-reinforced plastics (FRPs). By using poly(methyl methacrylate) (PMMA) as a self-healing agent, the study explores its effectiveness when blended with the matrix or applied as a coating to carbon fibres. The results show that blending strategy does not enable healing capacity, while coating the fibres with PMMA achieves up to 53% fracture toughness recovery.
Article
Engineering, Manufacturing
Anil R. Ravindran, Raj B. Ladani, Anthony J. Kinloch, Chun-Hui Wang, Adrian P. Mouritz
Summary: This study investigates the multi-scale toughening mechanisms for enhancing the fracture toughness, impact damage resistance, and compression-after-impact strength of carbon fiber-epoxy composite laminates by using carbon nano- and micro-fillers. It was found that a synergistic increase in mode II toughness was achieved when carbon nanofibers were combined with short carbon fibers, leading to improvements in impact damage resistance and CAI strength. The key toughening mechanisms provided by the fillers were identified through analyses and scanning electron microscopy.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Review
Materials Science, Composites
Seyed Rasoul Mousavi, Sara Estaji, Azin Paydayesh, Mohammad Arjmand, Seyed Hassan Jafari, Sasan Nouranian, Hossein Ali Khonakdar
Summary: Through the utilization of nanotechnology, incorporating various modified and unmodified nanofillers into epoxy resins has gained momentum in enhancing their toughness. The chemical functionalization of nanofillers has been shown to significantly impact their dispersion in the EP matrix and subsequently influence the fracture properties of the composites. This review highlights the research progress in the toughening of EPs using carbon nanotubes, graphene, and their hybrids over the past six years.
POLYMER COMPOSITES
(2022)
Article
Materials Science, Composites
Jalal Nasser, Lisha Zhang, Henry Sodano
Summary: The introduction of vertically aligned, laser-induced graphene (LIG) forests has been shown to significantly improve the interlaminar properties of carbon fiber reinforced composites, enhancing their fracture toughness. This improvement method is simple and convenient, effectively enhancing the performance of carbon fiber composites.
COMPOSITES SCIENCE AND TECHNOLOGY
(2021)
Article
Polymer Science
Baoming Wang, Shengzong Ci, Mingzhe Zhou, Chengrui Di, Junwei Yu, Bo Zhu, Kun Qiao
Summary: In this study, the ageing mechanisms and moisture absorption behavior of epoxy resins and carbon fiber composites were investigated. The results showed that the ageing process primarily involved physical adsorption of water, which did not significantly affect the chemical structure and microstructure. The absorbed water caused micro-cracks at the fiber-resin interface, weakening the interfacial strength and reducing the mechanical properties of the composites.
Article
Materials Science, Composites
Xin Song, Jiefeng Gao, Nan Zheng, Helezi Zhou, Yiu-Wing Mai
Summary: In this study, flexible interleaves for CF/EP laminates were successfully created by uniformly decorating carbon nanotubes (CNTs) on electrospun polycaprolactone (PCL) nanofibers through ultrasonication. The enhanced interlaminar fracture energies and interlaminar shear strength of the laminates were achieved by introducing CNT-decorated PCL nanofibers, while maintaining the glass transition temperature as that of epoxy.
COMPOSITES COMMUNICATIONS
(2021)
Article
Materials Science, Composites
Wen-yan Wang, Xiao Ma, Jing-hui Yang, Xiao-dong Qi, Yan-zhou Lei, Yong Wang
Summary: This study proposed an efficient method to construct thermal conductive paths in epoxy composites at extremely low filler content, achieving enhanced thermal conductivity and fracture toughness simultaneously. By coating PVP-modified carbon nanofibers on the 3D framework surface of melamine foam, the composites exhibited improved comprehensive properties with significantly enhanced thermal conductivity and fracture toughness.
COMPOSITES COMMUNICATIONS
(2021)
Article
Mechanics
Aldobenedetto Zotti, Simona Zuppolini, Anna Borriello, Luigi Trinchillo, Valeria Vinti, Mauro Zarrelli
Summary: This study investigated the effect of a glassy hyperbranched polymer (G_HBP) on the mechanical properties of an epoxy resin. The results showed that the addition of G_HBP significantly improved the fracture toughness of the resin and maintained good performance in the preparation of long carbon fiber composites. These findings are of great significance for improving the performance of composite materials.
COMPOSITE STRUCTURES
(2024)
Article
Chemistry, Physical
Zhipeng Zhou, Nan Zheng, Weifu Sun
Summary: In this work, the interlaminar fracture toughness of carbon fiber reinforced epoxy composites has been enhanced by the self-interlocked network arisen from Ti3C2Tx/polyvinyl alcohol aerogel. The results show that the surface-modified MXene effectively improved the mechanical properties of the aerogels. The enhanced fracture toughness can be attributed to cohesive failure at the interface facilitated by stitching-like effect of the aerogel, deflection and twisting of the main crack, and the generation of numerous microcracks.
Article
Polymer Science
Fei Chen, Ji Zhou, Haoruo Zhang, Zhengguang Heng, Yang Chen, Huawei Zou, Mei Liang
Summary: This study proposes an interesting strategy to simultaneously increase the tensile strength and fracture toughness of epoxy matrix by in-situ constructing block copolymer nanostructures. Through the optimization of nanostructures, the tensile strength and fracture toughness of epoxy matrix are increased by 19% and 236%, respectively, without lowering its Tg. The impact of block copolymers on the morphologies and transformation of nanostructures, the relationship between nanostructures and epoxy properties, and the strengthening and toughening mechanism are systematically studied. Moreover, the epoxy resins with excellent tensile properties and toughness are used to enhance the compressive and interfacial properties of CFRP composites.
Article
Materials Science, Composites
Davide Perin, Haroon Mahmood, Daniele Rigotti, Andrea Dorigato, Alessandro Pegoretti
Summary: This study investigates the self-healing behavior of carbon fiber reinforced composites by depositing COC meshes on dry carbon fiber plies. The introduction of COC mesh reduces flexural stress and interlaminar shear strength. The laminates containing 8 wt% COC show a healing efficiency of 9.4% and 33.7% for Mode I interlaminar fracture toughness.
POLYMER COMPOSITES
(2023)
Article
Mechanics
Kanokporn Tangthana-umrung, Humza Mahmood, Xiaomeng Zhang, Matthieu Gresil
Summary: This study prepared carbon fibre reinforced polymer composites using epoxy matrices with PESU and/or graphene nanoplatelets and/or multi-walled carbon nanotubes. The addition of toughening particles improved flexural properties and interlaminar fracture toughness, with PESU toughened epoxy showing the highest flexural strength. The combination of PESU and carbon-based nanomaterials led to enhanced fracture toughness, demonstrating the importance of introducing similar size tougheners for improving interlaminar toughness in multifunctional CFRP composites.
COMPOSITE STRUCTURES
(2022)
Article
Construction & Building Technology
Yanlei Wang, Ziping Meng, Wanxin Zhu, Baolin Wan, Baoguo Han, Gaochuang Cai, Xiushui Yin, Yulei Bai
Summary: This study demonstrates that adding an appropriate amount of carbon nanofibers (CNFs) into epoxy resin can significantly improve the hygrothermal aging behavior of the composites, as CNFs can enhance the water barrier properties of the composites.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Biochemistry & Molecular Biology
Mahadev Patil, Anurag Noonikara-Poyil, Shrinivas D. Joshi, Shivaputra A. Patil, Siddappa A. Patil, Abby M. Lewis, Alejandro Bugarin
Summary: In this study, two series of new piperazine and triazolo-pyrazine derivatives were synthesized in a single-step reaction and fully characterized. Testing against bacterial and fungal strains revealed strong antimicrobial activity for N-{[(3-chlorophenyl)-4-(dibenzo[b,f][1,4]thiazepin-11-yl)]}piperazine-1-carboxamide (3o). Promising results from molecular docking studies suggest potential for developing more potent antimicrobials.
MOLECULAR DIVERSITY
(2022)
Article
Green & Sustainable Science & Technology
Manu Sharma, Sunil Luthra, Sudhanshu Joshi, Anil Kumar, Akshat Jain
Summary: The study aims to investigate the impact of green logistics on the adoption of Circular Economy (CE) in the era of Industry 4.0 (I4.0). By implementing green initiatives, the logistics sector shows its strong concern for environmental issues and promotes sustainable logistics and circular practices to address critical issues such as waste generation, resource scarcity, renewable resource use, and climate change. The study examines the relationships between green logistics practices, I4.0 technologies, and CE adoption while also considering the moderating effects of institutional pressure and supply chain flexibility. The findings suggest that firms can enhance CE adoption driven by I4.0 technologies with green logistics practices as a mediator, and the moderating effect of supply chain flexibility is significant while the moderating effect of institutional pressure is insignificant. The study provides valuable insights for managers and contributes to the theoretical understanding of green logistics and CE adoption.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Management
Sudhanshu Joshi, Manu Sharma, Akhilesh Barve
Summary: This study employs the Best Worst Method (BWM) to identify the most critical implementation barriers of IoT and Blockchain technology in Waste Electrical and Electronic Equipment (WEEE) management. The findings reveal that developing a legislative support system, ineffective database management, low understanding of cognitive technologies, and concerns regarding information security and privacy are the key issues in implementing these technologies in closed-loop supply chains.
SUPPLY CHAIN FORUM
(2023)
Article
Green & Sustainable Science & Technology
Manu Sharma, Sudhanshu Joshi, Mukesh Prasad, Shalini Bartwal
Summary: This study proposes a model to examine the critical barriers and suggest strategies for implementing Circular Economy (CE) in the Oil & gas (O&G) industry. The results show that 'knowledge barriers' are the most critical, and the strategies 'Developing collaborative model' and 'Internal research and development, innovation' are the most significant for reducing the barriers.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Civil
Zheng Kaidong, Hu Haixiao, Cao Dongfeng, Zhong Yucheng, Li Shuxin
Summary: This study investigates the tensile failure characteristics of thin-ply and thick-ply open-hole laminates through experimental and numerical simulation methods. The results show that thin-ply laminates have a better delamination suppression effect and can restrain the propagation of delamination along the loading direction, while thick-ply laminates are prone to delamination failure. Therefore, thin-ply prepregs should be considered when ensuring the structural integrity of laminated composite structures in the presence of delamination.
THIN-WALLED STRUCTURES
(2023)
Article
Green & Sustainable Science & Technology
Sudhanshu Joshi, Manu Sharma, Banu Y. Ekren, Yigit Kazancoglu, Sunil Luthra, Mukesh Prasad
Summary: Food waste reduction and security are major concerns in agri-food supply chains, as more than a third of global food production is wasted or lost due to mismanagement. Resilient food supply chains need to address challenges such as resource scarcity, climate change, and waste generation. This study explores supply chain innovations, using SWARA analysis, to identify the most significant innovations for developing resilient food supply chains. The results highlight the importance of business strategy and technological innovations in bringing resilience to food supply chains.
Article
Business
Manu Sharma, Deepak Kaushal, Sudhanshu Joshi
Summary: Social media has become a major source of information for young users, but it has a severe impact on mental state due to information overload, which is still a concern for researchers. The addiction of Generation Z users to mobile phones/gadgets is increasing with the rise of social media, leading to a complete transformation in their behavioral outcomes. Behavioral issues such as stress, fatigue, fear of missing out, phubbing, and anxiety are on the rise, but the relationship between these issues and information overload has not been sufficiently examined. The study finds that social media platforms need to understand users' compulsive usage, which results in fatigue and anxiety, and government information support plays a positive role in reducing fatigue and anxiety.
JOURNAL OF RETAILING AND CONSUMER SERVICES
(2023)
Review
Multidisciplinary Sciences
Sunil Luthra, Shruti Agrawal, Anil Kumar, Manu Sharma, Sudhanshu Joshi, Jatin Kumar
Summary: Psychological and mental well-being of young adults has been greatly influenced by the COVID-19 pandemic, leading to a global concern. This research study provides an overview of the international scientific studies on the effect of COVID-19 on young adults' psychological well-being. It reveals the top-cited authors, documents, journals, productive countries, keywords, and themes in this area. The United States has contributed the most publications, followed by the United Kingdom and Italy. The study highlights the importance of addressing the psychological health of young adults worldwide.
Article
Health Policy & Services
Sudhanshu Joshi, Manu Sharma
Summary: The widespread use of Blockchain technology (BT) in developing nations is still in its early stages and requires a comprehensive evaluation. The healthcare sector is increasingly in need of digitalization to improve operational efficiency. However, the limited research on BT has hindered its full utilization in the healthcare sector. This study aims to identify the main obstacles to BT adoption in developing nations' public health systems, using a multi-level analysis and hybrid approach. The findings of this study provide guidance and insight for decision-makers on implementation challenges.
Editorial Material
Materials Science, Composites
Yucheng Zhong, Tao Wu, Guangyong Sun, Aleksandr Cherniaev, Rene Alderliesten
APPLIED COMPOSITE MATERIALS
(2023)
Article
Engineering, Multidisciplinary
Yan Wang, Dan Wang, Yucheng Zhong, Shuxin Li, Stephen W. Tsai
Summary: Double-double (DD) laminates are a new type of composite layups that achieve different structural properties by adjusting fiber orientations. This paper proposes a nested p-norm method to control stress during topology optimization of laminated structures. The method integrates the Tsai-Hill failure criterion indexes of different layers into one design response, effectively reducing stress concentration and improving optimization efficiency.
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
(2023)
Article
Engineering, Civil
Gang Liu, Kai Huang, Yucheng Zhong, Zhixing Li, Hongjun Yu, Licheng Guo, Shuxin Li
Summary: A novel computational model is established to analyze the damage of 3D angle-interlock woven composites. By validation and prediction, the model can accurately predict the tensile response of the composites at different angles.
THIN-WALLED STRUCTURES
(2023)
Article
Management
Manu Sharma, Sudhanshu Joshi
Summary: This study aims to explore the factors that affect the selection of digital suppliers and evaluate the alternatives for identifying the best supplier that enhances the quality management systems (QMS) for digital supply chains (DSCs). The study reveals that supplier competency is the most significant factor in selecting digital suppliers, and supplier S-8 has been ranked as the best supplier.
Article
Business
Sudhanshu Joshi, Rohit Kumar Singh, Manu Sharma
Summary: This study aims to identify the factors influencing the adoption of sustainable agribusiness practices in India and examines the most pertinent issues. The findings can provide guidance for agribusiness regulators and intermediaries, while contributing to a new understanding of sustainable agribusiness-based issues in India.
GLOBAL BUSINESS REVIEW
(2023)
Article
Business
Rohit Kumar Singh, Sudhanshu Joshi, Manu Sharna
GLOBAL BUSINESS REVIEW
(2023)
