NDLI: Effect of Corundum and Basalt Aggregates on the Ballistic Resistance of UHP-SFRC

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Effect of Corundum and Basalt Aggregates on the Ballistic Resistance of UHP-SFRC

Content Provider	MDPI
Author	Michal, Mára Jind, řich Fornůsek Radoslav, Sovják Kheml, Přemysl Carrera, Kristýna
Copyright Year	2021
Description	Ultra-high-performance steel-fibre-reinforced concrete (UHP-SFRC) is a technologically advanced composite with a high ability to absorb and dissipate mechanical energy. This work investigates the possibility of increasing ballistic resistance by adding different percentages of corundum and basalt aggregate into this type of concrete. The most common type of ammunition, a 7.62 mm × 39 mm calibre with a full-metal jacket and a mild-steel core (FMJ-MSC), was used to test all samples. The size of the damage and the mode of failure were determined using a 3D scanner operating on the principle of photogrammetry. The experimental campaign showed that the addition of basalt and, especially, corundum aggregate has a positive effect on ballistic resistance. In particular, the increase in compressive strength and the slight decrease in depth of penetration (DOP) was observed in the case of the usage of the corundum aggregate.
Starting Page	1529
e-ISSN	20734352
DOI	10.3390/cryst11121529
Journal	Crystals
Issue Number	12
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-12-08
Access Restriction	Open
Subject Keyword	Crystals Penetration Resistance Projectile Impact High-speed Loading Ballistic Resistance Uhp-sfrc Corundum Basalt
Content Type	Text
Resource Type	Article

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