Browsing by Author "Materials and Structures"

Now showing items 1-20 of 462

    • 2D Janus ZrSSe/SnSSe Heterostructure: A Promising Candidate for Photocatalytic Water Splitting 

      Anjum, Nabeel; Kashif, Muhammad; Shahzad, Aamir; Rasheed, Abdur; Ren, Guogang (2024-05-07)
      The distinctive physical characteristics and wide range of potential applications in optoelectronic and photovoltaic devices have ignited significant interest in two-dimensional materials. Intensive research attention has ...

    • 3D printing adoption in NHS trusts within the United Kingdom 

      Azeem, Rafay Ul; Moghadam, ShokranehKhashkhashi; Kaye, Richard; MacKenzie, Malcolm; Ilio, Vincenzo Di; Umar, Yusuf; Cheong, Yuen Ki (2024-09-30)
      Additive manufacturing and 3D printing is being widely adopted by the medical industry. This study provides a comprehensive overview of the current state of 3D printing technology in NHS trusts across the UK. Data was ...

    • 3D printing and morphological characterisation of polymeric composite scaffolds 

      Oladapo, B. I.; Ismail, S. O.; Zahedi, M.; Khan, A.; Usman, H. (2020-05-23)
      3D-printing is an efficient method of designing customised structures and producing synthetic bone grafts appropriate for bone implants. This research aimed to manufacture a new multi-functionalised 3D-printed poly(lactic ...

    • 3D printing of PEEK and its composite to increase biointerfaces as a biomedical material - A review 

      Oladapo, B. I.; Zahedi, S. A.; Ismail, S. O.; Omigbodun, F. T. (2021-07-01)
      Poly ether-ether-ketone (PEEK) is a polymer with better lignin biocompatibility than other polymers. It is good for biomedical engineering applications. This research summarises the outcomes of an evaluation conducted on ...

    • 3D printing of PEEK–cHAp scaffold for medical bone implant 

      Oladapo, B. I.; Zahedi, S. A.; Ismail, S. O.; Omigbodun, F. T.; Oluwole, B.; Olawumi, M. A.; Muhammad, M. A. (2020-10-21)
      The major drawback associated with PEEK implants is their biologically inert surface, which caused unsatisfactory cellular response and poor adhesion between the implants and surrounding soft tissues against proper bone ...

    • 3D Printing using Cellulose Nanoparticles 

      Dhakal, H. N.; Ismail, S. O.; Andrew, J. J. (Royal Society of Chemistry, 2020-09-09)
      Cellulose is naturally available and most abundant biopolymer on earth. It is one of the main constituents of cellulosic materials, such as wood, plant fibres (flax, hemp, jute), among others. Due to their high surface ...

    • 3D‑printed biomimetic bone implant polymeric composite scaffolds 

      Bankole, O.; Zahedi, Abolfazl; Ismail, S.; Fernando, W.; Ikumapayi, O. (2023-04-14)
      This research introduced a new poly-ether-ether-ketone calcium hydroxyapatite (PEEK-cHAp) composite for a convenient, fast, and inexpensive femur bone-implant scaffold with different lattice structures to mimic natural ...

    • 4D Printing of Nanostructure Modified Shape Memory Polymer Composites 

      Oladapo, B. I.; Ismail, S. O.; Omigbodun, F. T.; Oluwole, B.; Olawumi, M. A.; Samad , Y. A. (Springer Nature, 2022-05-19)
      Four-dimensional (4D) printing and nanostructure have introduced the possibility of having systems for self-assembly, self-healing, and material properties changes. Layered printing allows creating compound and complex ...

    • 4D printing: Pragmatic progression in biofabrication 

      Sonatkar, J.; Kandasubramanian, B.; Ismail, S. O. (2022-04-15)
      Progress in three-dimensional (3D) printing of shape memory polymers (SMPs) has produced dynamic and 3Dprinted assemblies that can be shaped fast and modified for specific and multifaceted designs. Technology, biochemistry, ...

    • Abrasive water jet drilling of advanced sustainable bio-fibre-reinforced polymer/hybrid composites : a comprehensive analysis of machining-induced damage responses 

      Dhakal, H. N.; Ismail, S.O.; Ojo, S. O.; Smith, J. R. (2018-12-01)
      This paper aims at investigating the effects of variable traverse speeds on machining-induced damage of fibre-reinforced composites, using the abrasive water jet (AWJ) drilling. Three different types of epoxy-based composites ...

    • Acoustic-Based Machine Condition Monitoring – Methods and Challenges 

      Jombo, Gbanaibolou; Zhang, Yu (2023-01-01)
      The traditional means of monitoring the health of industrial systems involves the use of vibration and performance monitoring techniques amongst others. In these approaches, contact-type sensors, such as accelerometer, ...

    • Adaptations in SCOR Based Performance Metrics of Airline Catering Supply Chain during COVID-19 Pandemic 

      Rajaratnam, Dhaarsan; Sunmola, Funlade (2021)
      Purpose: There is the propensity of airline catering supply chains to adapt their performance measures in order to meet desired service level due to the challenges of the COVID-19 pandemic. The aim of this paper is to ...

    • Adaptive Multiscale Weighted Permutation Entropy for Rolling Bearing Fault Diagnosis 

      Huo, Zhiqiang; Zhang, Yu; Jombo, Gbanaibolou; Shu, Lei (2020-05-06)
      Bearing vibration signals contain non-linear and non-stationary features due to instantaneous variations in the operation of rotating machinery. It is important to characterize and analyze the complexity change of the ...

    • Advanced thermal management system driven by phase change materials for power lithium-ion batteries: A review 

      Zhang, Jiangyun; Shao, Dan; Jiang, Liqin; Zhang, Guoqing; Wu, Hongwei; Day, Rodney; Jiang, Wenzhao (2022-05-01)
      Power lithium-ion batteries are widely utilized in electric vehicles (EVs) and hybrid electric vehicles (HEVs) for their high energy densities and long service-life. However, thermal safety problems mainly resulting from ...

    • Advances in air to air refuelling 

      Thomas, Peter R.; Bhandari, U.; Bullock, S.; Richardson, T. S.; du-Bois, J. L. (2014-11-01)
      An increasing interest over the last decade in developing unmanned aerial systems' technologies has prompted research into methods for automating air to air refuelling processes. Furthermore, for systems with increased ...

    • Advances, Mechanisms and Applications in Oxygen Evolution Electrocatalysis of Gold- driven 

      Liu, Tong; Lu, Jianwei; Chen, Zhihao; Luo, Zhihong; Ren, Yurong; Zhuge, Xiangqun; Luo, Kun; Ren, Guogang; Lei, Weiwei; Liu, Dan (2024-09-15)
      The oxygen evolution reaction (OER) plays a crucial role in electrochemical energy storage and conversion. Among different metal elements, gold (Au) stands out due to its high electronegativity and remarkable catalytic ...

    • An aerodynamic analysis of a novel small wind turbine based on impulse turbine principles 

      Ying, Pei; Chen, Yong; Xu, Yigeng (2015-03-31)
      The paper presents both a numerical and an experimental approach to study the air flow characteristics of a novel small wind turbine and to predict its performance. The turbine model was generated based on impulse turbine ...

    • Aerodynamic effects of surface deformities on aerofoils for low-speed stratospheric flight 

      Kimmons, Jeremy; Thomas, Peter; Colonia, Simone (2022-05-11)
      High-altitude pseudo-satellites are an expanding focal area of the aerospace industry which require new technologies and manufacturing processes to reduce weight and increase efficiency with the aim of increasing endurance. ...

    • Aeroelastic vibration control of hybrid airships using Regenerative Actuators 

      Patel, Vatsalkumar; Khoshnoud, Farbod; Pissanidis, Georgios; Montalvão, Diogo; Chen, Yong (2013-07)
      In this paper, an experiment is performed to investigate aeroelastic vibration control of a wing using regenerative piezoelectric actuators. Instead of the wing a plate with one pair of the piezoelectric actuator is used ...

    • Air Pollution Prediction using Machine Learning: A Review 

      Sulaimon, Ismail; Alaka, Hafiz; Olu-Ajayi, Razak; Ahmad, Mubashir; Sunmola, Funlade; Ajayi, Saheed; Hye, Abdul (Obafemi Awolowo University, Ile-Ife, 2021-07-08)
      In the effort to achieve accurate air pollution predictions, researchers have contributedvarious methodologies with varying data and different approaches that can be judgedaccurate in their respective contexts. Diverse ...