[HTML][HTML] Mechanical properties for long fibre reinforced fused deposition manufactured composites
JG Díaz-Rodríguez, AD Pertúz-Comas… - Composites Part B …, 2021 - Elsevier
In this work, we analyse the results of the reported mechanical properties for a particular
kind of continuous fibre-reinforced thermoplastic composites (CFRTPC) manufactured by …
kind of continuous fibre-reinforced thermoplastic composites (CFRTPC) manufactured by …
An improved strain-life model based on the Walker equation to describe tensile and compressive mean stress effects
MA Meggiolaro, JTP de Castro - International Journal of Fatigue, 2022 - Elsevier
Strain-life models that include Walker-like products can reproduce the higher mean stress
effects in fatigue crack initiation observed in high-strength materials. These models are able …
effects in fatigue crack initiation observed in high-strength materials. These models are able …
[HTML][HTML] Flexural fatigue in a polymer matrix composite material reinforced with continuous Kevlar fibers fabricated by additive manufacturing
AD Pertuz-Comas, JG Díaz, OJ Meneses-Duran… - Polymers, 2022 - mdpi.com
Fatigue bending tests, under controlled displacement, were performed on a polymer matrix
composite material reinforced with continuous Kevlar fibers. The samples were fabricated …
composite material reinforced with continuous Kevlar fibers. The samples were fabricated …
[HTML][HTML] Impact Strength for 3D-Printed PA6 Polymer Composites under Temperature Changes
JG Díaz-Rodríguez, AD Pertuz-Comas… - … of Manufacturing and …, 2023 - mdpi.com
This paper shows how temperature influences impact energy for continuous fiber additively
manufactured (AM) polymer matrix composites. AM composites were fabricated with a nylon …
manufactured (AM) polymer matrix composites. AM composites were fabricated with a nylon …
A J-integral approach using digital image correlation for evaluating stress intensity factors in fatigue cracks with closure effects
Digital image correlation (DIC) techniques are used to obtain the stress intensity factor (SIF)
via experimental J-integral evaluations in an AISI 4340 steel disk-shaped compact-tension …
via experimental J-integral evaluations in an AISI 4340 steel disk-shaped compact-tension …
[HTML][HTML] Strain-Based Fatigue Experimental Study on Ti–6Al–4V Alloy Manufactured by Electron Beam Melting
AD Pertuz-Comas, OA González-Estrada… - … of Manufacturing and …, 2023 - mdpi.com
Additive manufacturing (AM) by electron beam melting (EBM) is a technique used to
manufacture parts by melting powder metal layer-by-layer with an electron beam in a high …
manufacture parts by melting powder metal layer-by-layer with an electron beam in a high …
Stress concentration issues in unidirectional laminates
LL Vignoli, JTP de Castro, MA Meggiolaro - Journal of the Brazilian …, 2019 - Springer
This paper analytically studies how elliptical holes affect the resistance of unidirectional
laminate plates. Although local stress and strain concentration effects induced by notches …
laminate plates. Although local stress and strain concentration effects induced by notches …
Plastic stress concentration effects in fatigue strength
M Liu, AC de Oliveira Miranda, MA Antunes… - International Journal of …, 2023 - Elsevier
Elastoplastic (EP) stress gradient factors (SGF) ahead of notch tips are used to evaluate the
actual notch effects in fatigue strength due to their tolerance to non-propagating short cracks …
actual notch effects in fatigue strength due to their tolerance to non-propagating short cracks …
A deviatoric tensile-based critical plane model to predict peak/mean normal stress effects in multiaxial fatigue
MA Meggiolaro, JTP de Castro - International Journal of Fatigue, 2022 - Elsevier
This work aims to improve the modeling of peak/mean normal stress effects on multiaxial
fatigue lives, applying a deviatoric strain-life model based on the critical plane approach to …
fatigue lives, applying a deviatoric strain-life model based on the critical plane approach to …
Static axial tension or compression stress effects on shear cracks initiating under cyclic torsion loads in multiaxial fatigue tests
MA Meggiolaro, JTP de Castro, H Wu - International Journal of Fatigue, 2024 - Elsevier
This work proposes models that can better fit and explain apparently contradictory mean
stress effects observed when superimposing axial tension or compression loads on cyclic …
stress effects observed when superimposing axial tension or compression loads on cyclic …