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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2019, Volume 56, Issue 1, 22-31

https://doi.org/10.37358/MP.19.1.5116

Catalin Pirvu, Andrea Elena Musteata, George Ghiocel Ojoc, Simona Sandu, Lorena Deleanu

A Meso Level FE Model for the Impact Bullet - Yarn


Abstract:
This paper presents a study based on simulating the impact between a yarn (or a single fiber with greater dimensions) and a bullet, the impact velocity being 400 m/s. The characteristics of the involved materials are taken from literature. The yarn is considered isotrope, but the values of the characteristics are close to those of aramid fibers and cooper and lead alloys used for manufacturing the bullets. Analysing the yarn failure caused by a bullet, this FE model allows for identfying the stages in the failure process. First, the yarn is pushed by the bullet and the local elongation of the yarn is tacking place. The yarn rupture occurs in the “strangled” zones, caused by the stretch of the yarn directly supporting the impact. The breaking of the yarn in the thinned zone (more pronounced asymmetric breaking) and it is visible that the yarn elastic recoil starts next the bullet. The friction between the yarn and the bullet is only on the conical surface of the bullet in the tapered zone of the bullet. The yarn is detaching from the bullet (the contact zones between the bullet and the yarn in polymeric matrix become smaller, justifying a neglectable influence of the thermal effect). The yarn has no more contact with the bullet. This step is in the favor of the assumption that, in the actual multi-yarn impact, the other layers of yarns maintain the bullet and the first yarns in contact and this is why bunch of fibers (fragments of the failed yarns) are pressed against the bullet and remain on it. The simulation results were qualitatively validated by SEM investigations of fiber failure under the same conditions as the model.


Keywords:
FE model; ballistic impact; polymeric yarn

Issue: 2019 Volume 56, Issue 1
Pages: 22-31
Publication date: 30/03/2019
https://doi.org/10.37358/MP.19.1.5116
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
PIRVU, C., MUSTEATA, A.E., OJOC, G.G., SANDU, S., DELEANU, L., A Meso Level FE Model for the Impact Bullet - Yarn, Mater. Plast., 56(1), 2019, 22-31.

Vancouver
Pirvu C, Musteata AE, Ojoc GG, Sandu S, Deleanu L. A Meso Level FE Model for the Impact Bullet - Yarn. Mater. Plast.[internet]. 2019 Jan;56(1):22-31. Available from: https://doi.org/10.37358/MP.19.1.5116


APA 6th edition
Pirvu, C., Musteata, A.E., Ojoc, G.G., Sandu, S. & Deleanu, L. (2019). A Meso Level FE Model for the Impact Bullet - Yarn. Materiale Plastice, 56(1), 22-31. https://doi.org/10.37358/MP.19.1.5116


Harvard
Pirvu, C., Musteata, A.E., Ojoc, G.G., Sandu, S., Deleanu, L. (2019). 'A Meso Level FE Model for the Impact Bullet - Yarn', Materiale Plastice, 56(1), pp. 22-31. https://doi.org/10.37358/MP.19.1.5116


IEEE
C. Pirvu, A.E. Musteata, G.G. Ojoc, S. Sandu, L. Deleanu, "A Meso Level FE Model for the Impact Bullet - Yarn". Materiale Plastice, vol. 56, no. 1, pp. 22-31, 2019. [online]. https://doi.org/10.37358/MP.19.1.5116


Text
Catalin Pirvu, Andrea Elena Musteata, George Ghiocel Ojoc, Simona Sandu, Lorena Deleanu,
A Meso Level FE Model for the Impact Bullet - Yarn,
Materiale Plastice,
Volume 56, Issue 1,
2019,
Pages 22-31,
ISSN 2668-8220,
https://doi.org/10.37358/MP.19.1.5116.
(https://revmaterialeplastice.ro/Articles.asp?ID=5116)
Keywords: FE model; ballistic impact; polymeric yarn


RIS
TY - JOUR
T1 - A Meso Level FE Model for the Impact Bullet - Yarn
A1 - Pirvu, Catalin
A2 - Musteata, Andrea Elena
A3 - Ojoc, George Ghiocel
A4 - Sandu, Simona
A5 - Deleanu, Lorena
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2019
VL - 56
IS - 1
SP - 22
EP - 31
UR - https://doi.org/10.37358/MP.19.1.5116
KW - FE model
KW - ballistic impact
KW - polymeric yarn
ER -


BibTex
@article{MatPlast2019P22,
author = {Pirvu Catalin and Musteata Andrea Elena and Ojoc George Ghiocel and Sandu Simona and Deleanu Lorena},
title = {A Meso Level FE Model for the Impact Bullet - Yarn},
journal = {Materiale Plastice},
volume = {56},
number = {1},
pages = {22-31},
year = {2019},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.19.1.5116},
url = {https://revmaterialeplastice.ro/Articles.asp?ID=5116}
}
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