Theoretical justification of Tsai's modulus based on micromechanical analysis

LL Vignoli, MA Savi, PMCL Pacheco… - Composites Science and …, 2023 - Elsevier
This paper deals with the application of micromechanics for the determination of lamina
effective properties. Micromechanical models can be considered as the first step of the …

Is the out-of-plane shear strength an independent property? A micromechanical perspective about a macromechanical question

LL Vignoli - Journal of Composite Materials, 2023 - journals.sagepub.com
For unidirectional laminae, five elastic properties and six strengths are usually required. The
goal of this paper is to evaluate if the out-of-plane shear strength is really an independent …

A deep learning model to extract the interphase's characteristics in microstructures using macroscopic responses

M Mohammadnejad, M Safarabadi… - Extreme Mechanics …, 2024 - Elsevier
This study addresses the challenge of directly measuring the mechanical and geometrical
properties of the interphase region in multiphase microstructures due to its small volume …

Micromechanical fiber-matrix interface model for in-plane shear in unidirectional laminae

LL Vignoli, MA Savi, PMCL Pacheco… - … of Advanced Materials …, 2024 - Taylor & Francis
A novel analytical model is proposed for the in-plane shear response of unidirectional
composites on account of fiber-matrix interface. The fiber-matrix interface influences the …

Analytical modeling of fiber–matrix interface failure in unidirectional laminae subjected to in-plane shear loads

LL Vignoli, RM Carneiro Neto, MA Savi… - Proceedings of the …, 2024 - journals.sagepub.com
Unidirectional laminae subjected to in-plane shear loads present complex behavior with
strong nonlinear response. A novel analytical model is proposed considering a unit cell with …

Buckling Analysis of Thin-Walled Structures Based on Trace Theory: A Simple and Efficient Approach for Mechanical Characterization of GFRP Members

LL Vignoli, J Gomide, LEAS Santana… - Journal of Composites …, 2024 - ascelibrary.org
For unidirectional laminates, four properties are required for mechanical characterization
regarding the laminae elastic response: the longitudinal elastic modulus, the transverse …

Using asymptotic homogenization and machine learning to derive a 3D trace theory for GFRP

LL Vignoli, J Gomide, LEAS Santana… - Mechanics of …, 2024 - Taylor & Francis
Tsai's modulus was proposed as a trace theory for CFRP, where only one property is
measured experimentally and the other four properties are computed using the normalized …

Temperature Effect on the Properties and Response of Composite Materials and Plates

V Birman - AIAA Journal, 2024 - arc.aiaa.org
The paper illustrates the effect of temperature on composite material properties and its
influence on the response of composite plates. Two composites considered include laminae …

Micromechanics-based multi-scale framework with strain-rate effects for the simulation of ballistic impact on composite laminates

C Rekatsinas, T Theodosiou… - Journal of …, 2024 - journals.sagepub.com
The performance of composite materials and structures at high-velocity impacts reaching or
exceeding their ballistic limit is crucial for assessing their strength and safety in aerospace …

[HTML][HTML] Enhanced Mechanical Properties of Ceramic Rod-Reinforced TWIP Steel Composites: Fabrication, Microstructural Analysis, and Heat Treatment Evaluation

G Sun, S Zhu, Z Li, Q Wang - Metals, 2024 - mdpi.com
This study investigates the development and characterization of ceramic rod-reinforced
TWIP (twinning-induced plasticity) steel matrix composites, produced using the lost foam …