Showing papers in "Composite Structures in 2019"

TL;DR: A review on the path towards delamination-free drilling for composite laminates can significantly help researchers improve currently available cost-effective drilling process and develop high performance drilling process as discussed by the authors.

TL;DR: In this article, a general approach is provided for the free vibration analysis of rotating functionally graded carbon nanotube reinforced composite (FG-CNTRC) cylindrical shells with arbitrary boundary conditions.

TL;DR: In this paper, bending, free vibration, and buckling response of functionally graded porous micro-plates are investigated using the classical and first-order shear deformation plate theories.

TL;DR: In this article, the effect of different factors on LVI performance of FRC, identify the gap in the literature and suggest directions for future work in this area, in addition to different damage modeling strategies used to predict the impact resistance and damage tolerance.

TL;DR: In this article, a review of ballistic textiles and composites involved in the ballistic application including body armour is presented, and various technical approaches used for better understanding of the very complex process of the ballistic impact mechanisms and their responses to the materials are discussed.

TL;DR: This review is expected to provide a clear picture of layerwise theory for modeling of composite laminated structures and serve as a useful resource and guide to researchers who intend to extend their work into these research areas.

TL;DR: A systematic review of the state of the art on basalt fibers, basalt-based composite materials and their applications in civil engineering field, by tracing main available evidence and highlighting perspective aspects and open problems is presented in this article.

TL;DR: In this paper, a comprehensive review on the four key parameters specifically material, geometry, event and environmental-related conditions that affect the structural behavior of fiber reinforced polymer matrix composites to impact loading is discussed.

TL;DR: In this paper, a reentrant star-shaped honeycomb (RSH) was proposed and the in-plane impact responses explored theoretically and numerically, and three types of microstructural deformation modes were observed under different impact velocities, including low-velocity mode, medium-velcocity mode and high-vel cation mode, and a deformation map was summarized to illustrate the effects of the impact velocity and the relative density on the deformation mode.

TL;DR: In this paper, a NURBS formulation based on the four-variable refined plate theory (RPT) for free vibration, buckling and static bending analyses of multilayer functionally graded graphene platelets reinforced composite (FG GPLRC) plates, for the first time, is proposed.

TL;DR: In this article, the buckling and post-buckling behaviors of FG-GRP plates were analyzed for the multilayer functionally graded graphene platelets reinforced piezoelectric composite (GRPC) plates.

TL;DR: In this paper, a review of the literature on FG structures is presented and the key outputs of each publication are represented to make this article an asset source for mechanical engineers since there has not been any comprehensive review article on optimal designs of FG structures in the literature.

TL;DR: Three key processing parameters in AFP, specifically consolidation force, lay-up speed and curing/melting temperature are attempted elaborately and the discussions on in-situ process monitoring and Machine Learning based predictive models for AFP based composites are presented.

TL;DR: In this paper, the applicability of failure criteria and damage evolution methods in finite element analysis of composite laminates under low-velocity impact was evaluated by comparing the global mechanical response and distribution of various damage modes.

TL;DR: In this article, a chiral auxetic cellular structure was fabricated from Ti6Al4V alloy using the Selective Electron Beam Melting method, and tested experimentally under quasi-static and dynamic compression loading conditions.

TL;DR: In this paper, a special electrochemical rehabilitation treatment, containing lithium compound anolyte, has been developed to drive lithium ions into concrete composites and remove chlorides simultaneously, for mitigating both the alkali-silica reaction (ASR)induced cracks and the chloride-induced reinforcing steel-bar/fiber corrosion.

TL;DR: In this paper, the authors proposed four different hybrid sandwich tubes and investigated their crashworthiness and performance to cost ratio under quasi-static axial condition, which provided a basis for further parametric analysis and structural optimization.

TL;DR: In this article, the authors provide an exhaustive review of the literature on the vibration and buckling of functionally graded materials (FGMs), including functionally graded conical shells (FGCSs), functionally graded layered conical shell (FGLCSs), and functionally graded sandwich-conical shells(FGSCSs).

TL;DR: A convolutional neural network model is developed to predict the mechanical properties of a two-dimensional checkerboard composite quantitatively and integrates the developed model with a genetic algorithm (GA) optimizer to identify the optimal microstructural designs.

TL;DR: In this article, carbon fiber-reinforced polymer (CCFRP) composites with concentric and isotropic carbon fiber infill patterns were additively manufactured using fused deposition modeling (FDM).

TL;DR: In this paper, the indentation resistance of both the auxetic and non-auxetic hexagonal honeycombs is compared and discussed and the influence of indentation velocity is also analyzed based on numerical simulations.

TL;DR: A Master of Science thesis in Civil Engineering by Abdul Rahman M.Musif AlHafiz entitled, "Effect of Basalt Fibers on The Flexural Behavior of Beams Reinforced With BFRP Bars" was submitted in May 2018.

TL;DR: In this article, two re-entrant hierarchical honeycombs constructed by replacing the cell walls of reentrant honeycomb with regular hexagon substructure (RHH) and equilateral triangle substructures (RHT) were used to investigate the crashworthiness by using the LS-DYNA.

TL;DR: In this paper, the size-dependent effects on thermal buckling and post-buckling behaviors of imperfect FGM micro-plates with porosities were analyzed using isogeometric analysis.

TL;DR: In this paper, a general overview of what has been achieved recently in the scientific community on the manufacturing monitoring and structural health monitoring of polymer-matrix composites (PMC) using in-situ piezoelectric sensors is provided.

TL;DR: Three methods including Artificial neural networks, Group method of data handling and Gene expression programming are utilized to predict the compressive strength of columns confined with FRP, and the ANN model showed the highest accuracy.

TL;DR: In this paper, the state-of-the-art studies on the fabrication technologies of CNT-incorporated cementitious composites and provides in-depth information on the functional characteristics of the composites.

TL;DR: In this article, the bending, vibration and buckling characteristics of functionally graded porous graphene-reinforced nanocomposite curved beams are studied based on a trigonometric shear deformation theory.

TL;DR: This literature review aims to demonstrate the use of lamination parameters for efficient multi-level optimization of robust and manufacturable nonconventional laminates by integrating the optimization process with manufacturing constraints and industry design guidelines.

TL;DR: In this paper, a design-oriented model was developed to define axial stiffness using the jacket stiffness rather than its rupture strain, which is applicable to both conventional and large rupture strain fiber-reinforced polymers (LRS FRP)-confined concrete columns.