Mechanical and abrasive wear characterization of bidirectional and chopped E-glass fiber reinforced composite materials |
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| Affiliation: | 1. Mechanical & Automotive Engineering, Faculty of Engineering and Computing, Coventry University, Priory Street, Coventry, UK;2. Dublin Institute of Technology, Centre for Elastomer Research (CER), Lurgan Street, Dublin 1, Ireland;3. School of Engineering and Applied Science, Aston University, Aston Triangle, Birmingham, UK;1. Department of Mechanical Engineering, Bharath Institute of Higher Education and Research, Chennai, India;2. Department of Mechanical Engineering, St.Peter’s Institute of Higher Education and Research, Chennai, India;1. Escuela de Construcción Civil, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago, Chile;2. Departamento de Ingeniería Metalúrgica y de Materiales, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile;3. Escuela de Ingeniería Mecánica, Pontificia Universidad Católica de Valparaíso, Los Carrera 01567, Quilpué, Chile;4. Departamento de Engenharia Mecatrônica e Sistemas Mecânicos, Escola Politécnica, University of São Paulo, Av. Prof. Mello Moraes 2231, São Paulo, Brazil;5. Departamento de Engenharia Mecânica, Universidade Federal de Santa Catarina, Campus Reitor João David Ferreira Lima, s/n, Florianópolis, Brazil;6. Departamento de Ingeniería Mecánica y Metalúrgica, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago, Chile;7. Universidad Michoacana de San Nicolás de Hidalgo, Instituto de Investigación en Metalurgia y Materiales, Ciudad Universitaria, C.P. 58000, Morelia, Michoacán, Mexico;1. Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL 60612-7344, USA;1. School of Engineering & Science, Curtin University Sarawak, CDT 250, 98009 Miri, Sarawak, Malaysia;2. Department of Mechanical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia |
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| Abstract: | Bi-directional and chopped E-glass fiber reinforced epoxy composites are fabricated in five different (15, 20, 25, 30 and 35) wt% in an epoxy resin matrix. The mechanical characterization of these composites is performed. The three body abrasive wear behavior of fabricated composites has been assessed under different operating conditions. Abrasive wear characteristics of these composites are successfully analysed using Taguchi’s experimental design scheme and analysis of variance (ANOVA). The results obtained from these experiments are also validated against existing microscopic models of Ratner-Lancaster and Wang. It is observed that quite good linear relationships is held between specific wear rate and reciprocal of ultimate strength and strain at tensile fracture of these composites which is an indicative that the experimental results are in fair agreement with these existing models. Out of all composites fabricated it is found that tensile strength of bi-directional E-glass fiber reinforced composites increases because of interface strength enhancement. Chopped glass fiber reinforced composites are observed to perform better than bi-directional glass fiber reinforced composites under abrasive wear situations. The morphology of worn composite specimens has been examined by scanning electron microscopy (SEM) to understand about dominant wear mechanisms. |
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