Results 1 to 10 of about 607 (103)

Uniaxial compression of dry wood: experiment and modeling [PDF]

E3S Web of Conferences, 2023
The paper considers the dependence of the load on displacement during uniaxial compression of spruce wood samples with an adjustable deformation rate (1 mm/min); the water content in the samples was equal to 6.4%.
Meltser Rudolf, Vasiliev Sergey, Kolesnikov Gennady, Zaharov Nikolai   +3 more
doaj   +1 more source

Extension of the Equivalent Material Concept to Compressive Loading: Combination with LEFM Criteria for Fracture Prediction of Keyhole Notched Polymeric Samples

Applied Sciences, 2021
This work analyzes, both theoretically and experimentally, the fracture process of square specimens weakened by keyhole notches and subjected to compressive stresses.
Ali Reza Torabi, Kazem Hamidi, Behnam Shahbazian, Sergio Cicero, Filippo Berto   +4 more
doaj   +1 more source

Notch Fracture in Polymeric Specimens under Compressive Stresses: The Role of the Equivalent Material Concept in Estimating the Critical Stress of Polymers

Applied Sciences, 2021
In this paper, the fracture of notched polymeric specimens under compressive stresses was investigated both experimentally and theoretically. In the experimental section, to determine the load-carrying capacity (LCC) of U-notched specimens made of ...
Ali Reza Torabi, Kazem Hamidi, Abdol Saleh Rahimi, Sergio Cicero   +3 more
doaj   +1 more source

Estimation of Mode I Fracture of U-Notched Polycarbonate Specimens Using the Equivalent Material Concept and Strain Energy Density

Applied Sciences, 2021
Polycarbonate (PC) has a wide range of applications in the electronic, transportation, and biomedical industries. In addition, investigation on the applicability to use PC in superstrate photovoltaic modules is ongoing research.
Jafar Albinmousa, Jihad AlSadah, Muhammad A. Hawwa, Hussain M. Al-Qahtani   +3 more
doaj   +1 more source

Using the Equivalent Material Concept and the Average Strain Energy Density to Analyse the Fracture Behaviour of Structural Materials

Applied Sciences, 2020
This paper provides a complete overview of the applicability of the Equivalent Material Concept in conjunction with the Average Strain Energy Density criterion, to provide predictions of fracture loads in structural materials containing U-notches.
Sergio Cicero, Juan Diego Fuentes, Ali Reza Torabi   +2 more
doaj   +1 more source

Ductile Failure Prediction of Friction Stir Welded AA7075-T6 Aluminum Alloy Weakened by a V-notch [PDF]

Journal of Stress Analysis, 2019
With increasing applications of the Friction Stir Welding (FSW), a proper study of the fracture behavior is required. In this research, fracture behavior of AA7075-T6 alloy joint made by FSW is investigated by evaluat-ing a fracture test on the ...
A. Nouri, M. Kazemi Nasrabadi
doaj   +1 more source

Fracture Behavior of Two Biopolymers Containing Notches: Effects of Notch Tip Plasticity

Applied Sciences, 2020
This paper analyzes the notch effect on the fracture behavior of two biomaterials (a brittle bone cement and a ductile dental material) under mode I loading. U-notched Brazilian disk (UNBD) specimens of both materials were tested under remote compression,
Sahel Shahbaz, Majid Reza Ayatollahi, Ali Reza Torabi, Sergio Cicero   +3 more
doaj   +1 more source

Estimation of Fracture Loads in AL7075-T651 Notched Specimens Using the Equivalent Material Concept Combined with the Strain Energy Density Criterion and with the Theory of Critical Distances

Metals, 2018
The main goal of this paper is the application of the Strain Energy Density (SED) criterion and the Theory of Critical Distances (TCD), both of them in combination with the Equivalent Material Concept (EMC), to predict the fracture loads of aluminum ...
Juan Diego Fuentes, Sergio Cicero, Filippo Berto, Ali Reza Torabi, Virginia Madrazo, Payman Azizi   +5 more
doaj   +1 more source

Finite Fracture Mechanics Assessment in Moderate and Large Scale Yielding Regimes

Metals, 2019
The coupled Finite Fracture Mechanics (FFM) criteria are applied to investigate the ductile failure initiation at blunt U-notched and V-notched plates under mode I loading conditions.
Ali Reza Torabi, Filippo Berto, Alberto Sapora   +2 more
doaj   +1 more source

Experimental and theoretical investigation of the influence of post-curing on mixed mode fracture properties of 3d-printed polymer samples

Scientific Reports
This study explores the mechanical properties and fracture characteristics of additively manufactured acrylonitrile butadiene styrene specimens, focusing on the impact of raster angle and post-process heat treatment.
Bahador Bahrami, Hossein Talebi, M. M. Momeni, M. R. Ayatollahi   +3 more
doaj   +1 more source