Structures & materials

Folding plates with wavy shapes made of composite materials have been widely applied, hence designing this type of structure is significant in practice. In this research work, the results of static calculation of the sinusoidal corrugated composite plates will be analyzed.

9p viengfa 28-10-2024 2 1   Download

This study presents the results of the thermal performance of two different zeolites in heat absorption and heat release investigated under multiple heating-cooling cycles. The specific focus is highlighting the influence of zeolitic structure in comparison to the raw kaolin as their precursor to evaluate the role of porous materials.

11p viengfa 28-10-2024 1 0   Download

This study focuses on investigating the effect of negative pressure on the structure and diffusion processes of Silicon dioxide at liquid nitrogen temperature. The insights gained from this study will serve as a foundation for future experimental research aimed at the development and manufacturing of advanced materials.

11p viengfa 28-10-2024 2 2   Download

The article presents some theoretical foundations to solve the problem of dynamic control and optimizing the structure of multifunctional carbon nanofiber-reinforced material plates with integrated piezoelectric crystal.

13p viling 11-10-2024 0 0   Download

Zinc oxide is highly sought after for several applications in biology, optoelectronics, electronics, and sensing. Zinc oxide nanorods exhibit a high exciton binding energy and a wide direct band gap, making them an attractive material for ultraviolet optoelectronic devices in the compound semiconductor field.

6p viling 11-10-2024 3 1   Download

The materials with a spinel structure have gotten some attention for their resistance to oxidizing/reducing agents and their application in many fields such as pigments, refractory, electronic engineering, magnetism, and energy storage materials.

8p vifilm 11-10-2024 1 0   Download

This study focuses mainly on the normal stresses that are caused by applied forces. As a case study, the present work aims at investigating the bi-dimensional contact mechanics of wavy cosinusoidal anisotropic finite planes. To achieve this objective, results on the displacement and stress component are first calculated with the help of the Lekhnitskii formalism.

9p vibecca 01-10-2024 1 1   Download

Layered structures are widely used in construction, such as pavement structures consisting of multiple layers of different materials or interfaces between bricks and mortar in masonry structures, etc. In analyzing such structures, understanding the properties of the interface between two layers of materials is essential.

15p vibecca 01-10-2024 2 1   Download

The paper's contributions can extend to optimizing concrete mixtures, formulating repair strategies, and improving structural assessments. Further research is suggested to improve the accuracy of simulations and investigate material properties under various conditions.

14p vibecca 01-10-2024 0 0   Download

Recently, the phase field modelling is widely used to model and simulate material damage. In present work, we present a framework of the topology optimization combined with the phase-field modelling with/ without interfacial damage for optimizing the damage resistance of the inclusion-matrix composites.

17p vibecca 01-10-2024 1 1   Download

In recent times, the phase field method is a robust simulation tool that can predict crack formation and propagation in structures. In brittle and quasi-brittle materials, the strain tensor is decomposed into negative and positive parts corresponding to the compression and tension behaviors when the structure is loaded.

14p vibecca 01-10-2024 1 1   Download

This paper investigates the vibration characteristics of a commonly employed mechanical structure, the cantilever beam, concerning its potential for direct electricity harvesting from piezoelectric crystals. Piezoelectric materials are renowned for their ability to generate electric charges when subjected to mechanical stress.

9p viyoko 01-10-2024 4 1   Download

This study analyzes and optimizes the structural design of three-dimensional (3D) reinforced concrete frame structures to minimize the amount of two main materials, including concrete and steel reinforcement, used in reinforced concrete frames.

16p viyoko 01-10-2024 4 1   Download

In recent years, the understanding of processes on material surfaces has drawn considerable interest from scientists. The adsorption stage is important for further insights into surface interactions and photocatalytic reactions. In this study, we use density functional theory computations to investigate the adsorption of sulfamethoxazole (SMX) molecules on the rutile-TiO2 (001) surface (r-TiO2 ).

8p viyoko 01-10-2024 3 1   Download

In this article, the authors have researched and evaluated the effectiveness of load transfer according to deflection through the application of the 3D finite element method. The model utilizes material parameters and actual airport hard pavement structures and calculates for many types of aircraft commonly operating in Vietnam.

12p viyoko 01-10-2024 5 1   Download

The main aim of this work is to use a finite element method (FEM) based on Shi’s third-order shear deformation plate theory (TSDT) to study the dynamic response of sandwich plates subjected to consecutive blast loading. The sandwich plate has an auxetic honeycomb core and two different functionally graded materials (FGMs) skin layers (so-called h-FGS plates).

14p viyoko 01-10-2024 2 1   Download

In this article, the first-order shear deformation theory (FSDT) and Navier’s solution are used to establish analytical solutions for analyzing the deflection and stresses of FGM sandwich plate structures resting on a Pasternak elastic foundation.

15p viyoko 01-10-2024 3 1   Download

In this research, the nanosized Fe2V4O13 complex oxide material was synthesized by the hydrothermal method. Its structure, morphology characterization, and other properties were determined using X-ray, SEM, EDX, and DTA-TG methods.

5p vikwong 29-09-2024 2 1   Download

The Mn-doped MoS2 (Mn-MoS2) material is fabricated by a facile onestep calcination method. The Mn2+ content introduced into MoS2 is ranged from 1 wt% to 7 wt%. The X-ray diffraction (XRD) and scanning electron microscopy SEM results suggest that the doping of Mn2+ does not alter the crystal structure and the morphology of MoS2.

5p vikwong 29-09-2024 2 1   Download

In this study, graphene oxide (GO) was prepared by the Hummers method. GO/CS/PVA fibers were prepared by an electrospinning method. The structure, morphology and size of the electrospun materials were characterized by X – ray diffraction (XRD) and a scanning electron microscope (SEM).

7p vikwong 29-09-2024 2 1   Download