Leticia A. Gracia

Leticia A. Gracia
Instituto Tecnológico de Aragón · Division of Materials and Components

PhD Mechanical Engineering

About

10
Publications
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83
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Introduction
Leticia A. Gracia currently works at the Division of Materials and Components and she is the head of the tecnology "Advanced Characterization and Simulation of Materials! at Instituto Tecnológico de Aragón. Leticia does research in Mechanical Engineering, Computer Engineering and Industrial Engineering. Their most recent publication is 'Advanced Structured Materials'.

Publications

Publications (10)
Article
Full-text available
Industrial manufacturing management can benefit from the use of modeling. For a correct representation of the manufacturing process and the subsequent management, the models must incorporate the effect of the uncertainty propagation throughout the stages considered. In this paper, the proposed methodology for uncertainty management uses a nonintrus...
Article
Full-text available
A novel experimental methodology is developed for the characterization of the vulcanization and foaming processes of an ethylene propylene diene (EPDM) cellular rubber and for establishing the relationship of its physical and mechanical property evolution with vulcanization and foaming process temperature. To establish this relationship, the vulcan...
Article
Full-text available
Background: Micro-texturing is an increasingly used technique that aims at improving the functional behaviour of components during their useful life, and it is applied in different industrial manufacturing processes for different purposes, such as reducing friction on dynamic rubber seals for pneumatic equipment, among others. Micro-texturing is pr...
Article
Background: Micro-texturing is an increasingly used technique that aims at improving the functional behaviour of components during their useful life, and it is applied in different industrial manufacturing processes for different purposes, such as reducing friction on dynamic rubber seals for pneumatic equipment, among others. Micro-texturing is pr...
Article
Full-text available
Surface texturing is an effective method to reduce friction without the need to change materials. In this study, surface textures were transferred to rubber samples in the form of dimples, using a novel laser surface texturing (LST)—based texturing during moulding (TDM) production process, developed within the European Project MouldTex. The rubber...
Chapter
This chapter describes how the finite element technique can be used for the design of elastomeric components for automotive and railway applications. In the first section a description of the industrial needs regarding the design with these types of materials and the reasons why they arouse so much interest for engineering applications is given. Al...
Article
The paper aims to show the capability of the overlay model, originally proposed by Austrell, for the prediction of the hysteretic behaviour in industrial applications (design of rubber components). The methodology presented aims to be of applicability for the design of industrial components made of filled rubbers. This industrial applicability dema...
Article
This paper presents a comparison between pseudo-elastic and damage models based on a three-dimensional finite-strain formulation for modelling the Mullins effect in industrial rubber components. Both models are compared in terms of their qualitative predictions under loading conditions for industrial bushings. The softening behavior of the rubber i...
Article
The main objective of this work is to introduce a length correction factor, based on CFD simulation results, in order to extend the method for taking into account the surface roughness effects in the calculation of laminar flow through rough microchannels described in [J.R. Valdés, M.J. Miana, T. Pütz, Numerical investigation of the influence of ro...

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