Showing posts with label composite material. Show all posts
Showing posts with label composite material. Show all posts

Wednesday, 19 February 2025

Architectural Green Building Materials for COVID-19 Prevention | Chapter 1 | Engineering Research: Perspectives on Recent Advances Vol. 3

The architecture of green building design is becoming increasingly important. Green buildings are considered environment-friendly buildings, which are constructed in the healthiest way. Recently, due to the coronavirus pandemic, sustainable design strategies have been targeted to find architectural solutions for developing new materials to reduce the risk of cross-contamination (COVID-19). The emergence of the novel coronavirus is associated with undesired adhesion on the surfaces. Sustainable architecture for hospital design must integrate design strategies to confront the impact of infectious diseases. The aim of this paper is to optimize a novel material that is able to reduce the transmission probability of COVID-19. The composite of high-density polyethene (HDPE) is specifically developed for application in the building, thus requiring an adequate combination of material properties concerning the spread of COVID-19, with mechanical and functional performance of the final products. HDPE is very resilient and tough, has good chemical resistance and high impact strength. The composite preparation conditions allow the formation of a metal powder distribution in the polymer matrix volume to create an architectural functional material. The process of producing the composite material is by compounding (HDPE) with a copper powder. Several tests were performed such as hardenability, density and tensile. The microscopic test observes a significant distribution for the copper powder to provide the polymer surface with the capability to reduce the transmission probability of the viruses. The test results identified the architectural preconditions and considerations of green buildings based on antiviral material selection conditions.

 

Author (s) Details

 

Abeer Qasim Jbur
Department of Architecture, College of Engineering, Mustansiriyah University, Baghdad, Iraq.

 

Please see the book here:- https://doi.org/10.9734/bpi/erpra/v3/3876

Saturday, 3 June 2023

Numerical Investigation of the Application of Cohesive Zone Models for Impact Strength Evaluation of Adhesive Bonded Joints | Chapter 7 | Research Highlights in Science and Technology Vol. 3

 To be smart to evaluate the act and strength of an sticking joint, numerical methods based on the Finite Element Method (FEM) are used. In authentic cases, adhesive intersections are also commit dynamic loads, to a degree impact. This work aims to predict the behaviour and substance of double-lap composite adhesive cheap hangouts under impact loads, under different ride lengths (LO). For this purpose, numerical simulations by FEM and close-knit zone models (CZM) are considered. The adhesive used for this mathematical study are the Araldite® AV138 and the Sikaforce® 7752. As adherend, the pre-preg Seal® Texipreg HS 160 RM was used. Initially, a study was completed activity with distinct-lap joint (SLJ) experimental dossier, to validate the projected technique for analysing impact-sticking joints. Double-lap joint (DLJ) reasoning was based on elastic peel (sy) and clip (txy) stresses, and strength guess. Validation of the proposed mathematical technique was favorably accomplished to model shackled joints under impact loads. Between the proven adhesives, hard and strong adhesive work better under impact, leading to higher efficiency, although greater LO than those tested in this place work can benefit from less strong but more flexible adhesives.

Author(s) Details:

L. A. R. Gomes,
Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal.

R. D. S. G. Campilho,
Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal and INEGI – Pólo FEUP, Rua Dr. Roberto Frias, 400, 4200-465 Porto, Portugal.

J. P. A. Valente,
Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal.

Please see the link here: https://stm.bookpi.org/RHST-V3/article/view/10757