The Nano-Duplex NANOS-BA Steel for Application in Construction of Armours
Journal Title: Problemy Mechatroniki. Uzbrojenie, lotnictwo, inżynieria bezpieczeństwa - Year 2012, Vol 3, Issue 4
Abstract
The paper presents mechanical and physical properties measured in static conditions, and some properties determined in dynamic conditions, of plates of new nano-composite bainite-austenite (NANOS-BA) steel to be used for construction of armours. Firing tests of NANOS-BA steel plates fixed on a base plate of RHA (Rolled Homogenous Armour), Armox 500T and Armox 600T steel, carried out by means of 12.7 mm B-32 projectiles have demonstrated that in the conditions of tests, NANOS-BA steel shows better protective properties than 500BHN and 600BHN – grade commercial plates. NANOS-BA steel plate of minimum 5 mm thickness has protected Armox 500T and Armox 600T plate from piercing. Quantitative effects were assessed of firing the NANOS-BA steel plates of 50 x 50 mm and 100 x 100 mm surface dimensions, and thickness in the range of 5÷10 mm, as well as sets of the NANOS-BA steel plates of 100 x 100 x (4÷8) mm dimensions, arranged in layers on the base plate. It was determined that ballistic limit V50 for NANOS-BA plate of 6.0 mm thickness, for the 7.62 x 51 mm M61 AP (Armour Piercing) projectile, amounts to 797±10 m/s. Based on the analysis which compared results of tests carried out with the application of various parameters it was estimated that the value of V50 obtained for NANOS-BA steel is higher than the parameters of the highest grade steel plates offered in the global market. The tests imply that NANOS-BA steel is a prospective material for armour construction which can enable to reduce weight of armours and/or to improve their protective parameters in comparison with the presently used structures. Due to very high protective capability, monolithic plates of NANOS-BA steel can be used as one of the layers of the composite armour.
Authors and Affiliations
Bogdan GARBARZ, Wojciech BURIAN, Jarosław MARCISZ, Adam WIŚNIEWSKI
Keywords
Related Articles
- EP ID EP62997
- DOI -
- Views 89
- Downloads 0
Badania teoretyczno-doświadczalne odrzutu automatycznej broni strzeleckiej
W pracy przedstawiono wyniki badań teoretycznych i doświadczalnych odrzutu wybranych typów automatycznej broni strzeleckiej. Wyniki badań teoretycznych uzyskane na drodze symulacji komputerowych zjawiska odrzutu oraz wyn...
Dynamics and Control of Gyroscopic System of Bomb Guidance on a Ground Target
The paper presents an algorithm of guiding the bomb on a ground target using the gyro system. There are considered different cases of the execution of flight path program combined with bomb homing in the final stretch o...
The Analysis of Trajectory of 122 mm Rotary Missile under the Influence of Interferences
In this paper the analysis of influence on trajectory of 122 mm unguided rotary missile has been presented. Results of interferences that act during the flight of unguided missile are his dispersion in the form of range...
Investigation of the Thermal Diffusivity of Water Applying Temperature Oscillation
The modified periodic temperature oscillation i.e. Ångström technique at scanning mode operation has been applied to perform continuous measurements of the thermal diffusivity of water. The investigations has been done a...
Silnik rakietowy z kompozytową komorą spalania
W artykule przedstawiono wyniki prac związanych z opracowaniem silnika rakietowego służącego do kompletacji układu napędowego będącego I stopniem rozpędzającym demonstrator rakiety dwustopniowej. Prace te były realizowa...