Influence of the Fiber Alignment in the Ballistic Performance of Dyneema Non-Woven Fabrics

Martínez-Hergueta, Francisca; Galvez Diaz-Rubio, Francisco y Gonzalez Martínez, Carlos Daniel (2014). Influence of the Fiber Alignment in the Ballistic Performance of Dyneema Non-Woven Fabrics. En: "28th International Symposium on Ballistics (ISB)", 24/09/2014-26/09/2014, Atlanta, Georgia, USA. ISBN 978-1-60595-149-2. pp. 931-941.

Descripción

Título: Influence of the Fiber Alignment in the Ballistic Performance of Dyneema Non-Woven Fabrics
Autor/es:
  • Martínez-Hergueta, Francisca
  • Galvez Diaz-Rubio, Francisco
  • Gonzalez Martínez, Carlos Daniel
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 28th International Symposium on Ballistics (ISB)
Fechas del Evento: 24/09/2014-26/09/2014
Lugar del Evento: Atlanta, Georgia, USA
Título del Libro: Ballistics 2014: 28th International Symposium on Ballistics
Fecha: 2014
ISBN: 978-1-60595-149-2
Volumen: 2
Materias:
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ciencia de los Materiales
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The aim of this study was the determination of the deforming micromechanisms of needlepunched felts subjected to impact loads. A large experimental campaign has been carried out to analyze the influence of the fiber alignment in the ballistic performance. Ballistic limit curves of predeformed samples were compared. The fiber realignment was experimentally measure by means of 2D X-Ray diffraction. Higher specific absorption was observed for samples with a more isotropic mechanical response. A constitutive physicallybased model was developed within the context of the finite element method, which provided the constitutive response for a mesodomain including micromechanical aspects as fiber alignment, fiber sliding and pull-out. The macroscopic response has been validated with the experimental results, showing a very good agreement. The absorbed energy by the material during the impact was predicted and the fiber realignment evolution was also obtained.

Más información

ID de Registro: 35749
Identificador DC: http://oa.upm.es/35749/
Identificador OAI: oai:oa.upm.es:35749
URL Oficial: http://www.ballistics.org/28th_isb.php
Depositado por: Memoria Investigacion
Depositado el: 30 Jun 2015 11:46
Ultima Modificación: 06 Jul 2015 11:40
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