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Title: Numerical simulation of ballistic performance of nanocrystalline and nanotwinned ultrafine crystal steel
Authors: Wan, Y
Lu, J
Zhou, L 
Keywords: Ballistic impact
Damage evolution
Hybrid material
Issue Date: 2015
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, 2015, v. 813, p. 285-292 How to cite?
Journal: Materials science forum 
Abstract: Surface mechanical attrition treatment (SMAT) is an excellent method to get nanocrystalline and nanotwinned ultrafine crystalline steels from coarse-grained AISI 304 stainless steel. Due to their outstanding mechanical properties, they both appear to be relevant candidates for ballistic protection of marine engineering. Comparing their ballistic performance against coarse-grained steel, as well as identifying the effect of the hybridization with a carbon fiber–epoxy composite layer have been done by Jaime Frontan et al. Hybridization is proposed as a way to improve the nanocrystalline brittle properties in a similar way as is done with ceramics in other protection systems. Dur to the limit of experimental equipment, there are many results which are hardly got. In this paper, a numerical method with Johnson–Cook flow stress model, user material subroutine VUMAT and surface-based cohesive behaviour is presented.
Description: 1st International Conference on Advanced Composites for Marine Engineering, ICACME 2013, 10-12 September 2013
ISBN: 978-3038354062
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/
Appears in Collections:Conference Paper

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