Experimental Studies on Energy Absorption of Curved Steel Sheets under Impact Loading and the Effect of Pendentive on the Deformation of Samples

Document Type : Mechanics article

Authors

1 Civil Engineering Lorestan University

2 Lorestan University

Abstract

Steel sheets are used in various industries such as automotive, aerospace, fuel transport and storage tanks, metal bridges. The issue of impact and penetration in steel sheets has been the main focus of many studies. In this study, laboratory studies of flat and curved steel sheets, as well as reinforced by hardening perpendicular to sheet plate. Under the influence of impact caused by the free fall of the weights are examined. In this study, three radii of infinite curvature (flat sheet), 300 mm and 110 mm were used. This study was conducted for three levels of impact energy (three free fall crashes). Steel sheets used are steel st.12 with dimensions of 220 * 200 mm and 1 mm thicken, fastened in one direction by the fixture and is free on the other side. The material and thickness of the pendentive used are similar to the sheet and have a width of 2 cm. The results also show that the use of hardening causes a slight increase in the acceleration of the sheet and a significant reduction in its permanent deformation. The amount of energy absorbed by the reinforced sheets is slightly less than that of plain sheets. In this research, the sheet with a curvature radius of 110 mm with a pendentive has a better performance than the rest of the sheets.

Keywords

References

 
[1] A. Bidi, Gh. Liaghat, and Gh. Rahimi., “Experimental and numerical analysis of impact on steel curved panels”, Modares Mechanical Engineering, Vol. 16, No. 4, pp. 281-288, 2016.
[2] L. A. Merzhievskii, and V. M. Titov, “Perforation of Plates through High Velocity Impact”, Journal of Applied Mechanics and Technical Physics, Vol. 16, pp. 757-772, 1975.
[3] B. Toolea, M. Trabiaa, R. Hixsonb, S. K. Roya, M. Penab, S. Beckerb, E. Daykinb, E. Machorrob, R. Jenningsa, and M. Matthes, “Modeling Plastic Deformation of Steel Plates in Hypervelocity Impact Experiments”, Journal of Procedia Engineering, Vol. 103, pp. 458-465, 2015.
[4] P. Kumar, J. LeBlanc, D. Stargel, and A. Shukla, “Effect of plate curvature on blast response of aluminum panels”, International Journal of impact engineering, Vol. 46, No. 29, pp.74-85, 2018.
[5] G. J. McShane, C. Stewart, M. T. Aronson, H. N. G. Wadley, N. A. Fleck, and V. S. Deshpande, “Dynamic rupture of polymer–metal bilayer plates”, International Journal of Solids and Structures, Vol. 45, No. 16, pp. 4407–4426, 2008.
[6] T. Kitada., “Ultimate strength and ductility of concrete-filled steel bridge piers”, Engineering Structures, Vol. 20, pp. 347-361, 2017.
[7] H. Saghafi, G. Minak, and A. Zucchelli, “Effect of preload on the impact response of curved composite panels”, Composites: Part B, Vol. 60, pp.74–81, 2014.
[8] M. Khedmati, and A. Nazari, “Numerical investigation into strength and deformation characteristics of preloaded­ tubular members under lateral impact loads”, Marine Structures, Vol. 25, pp. 124-149, 2016.
[9] F. Ustaa, F. Mullaoglu, H. S. Türkmen, D. Balkan, Z. Mecitoglu, H. Kurtaran, and E. Akay, “Effects of Thickness and Curvature on Impact Behaviour of Composite Panels”, Journal of Procedia Engineering, Vol. 167, pp 216-222, 2016.
 [10] M. Choubini, Gh. H. Liaghat, and M. Hossein Pol, “Investigation of energy absorption and deformation of thin walled tubes with circle and square section geometries under transverse impact loading”, Modares Mechanical Engineering, Vol. 15, No. 1, pp. 75-83, 2015.
[11] A. Bidi, Gh. Liaghat, and Gh. Rahimi, “Experimental and numerical analysis of impact on curved steel- polyurea bi-layer panels”, Journal of Science and Technology of Composites, Vol. 3, No. 3, pp. 207-214, 2017.
[12] G. G. Corbett, S. R. Reid and W. Johnson, “Impact Loading Of Plates And Shells By Free-Flying Projectiles: A Review”, International Journal of Impact Engineering, Vol. 18, No. 2, pp. 141-230, 2016.
[13] A. Bidi, Gh. Liaghat, and Gh. Rahimi, “Effect of Nano clay addition to energy absorption capacity of steel-polyurea bi-layer”, Journal of Science and Technology of Composites, Vol. 3, No. 2, pp. 157-164, (In Persian), 2016.
[14] M. Irshidat, A. Al-Ostaz, and A. H. D. Cheng, “Predicting the response of polyurea coated high hard steel plates to ballistic impact by fragment simulating projectiles”, Journal of Impact Engineering, Vol. 12, pp. 156-170, 2014.
[15] M. R. Khedmati, and M. Nazari, “A numerical investigation into strength and deformation characteristics of preloaded tubular members under lateral impact loads”, Marine Structures, Vol. 25, pp. 33–5, 2012.
]16[ علی علوی نیا و صابر چهاردولی، "بررسی تجربی و عددی تأثیر سوراخ و انحنای لبه بر ویژگی های فروپاشی جاذب های استوانه ای تحت بار محوری ضربه ای"، مدلسازی در مهندسی، دوره 16، شماره 53، تابستان 1397، صفحه 53-65.
]17[ علی علوی نیا و حامد خدابخش، "بررسی عددی تأثیرفاصله ی لوله های جدار نازک متداخل بر رفتار مکانیکی و جذب انرژی آن ها"، مدلسازی در مهندسی، دوره 14، شماره 45، تابستان 1395، صفحه 33-47.
]18[سید سجاد جعفری و سعید فعلی، "بررسی تحلیلی برخورد پرتابه استوانه ای با دماغه های مختلف به ورق های ساندویچی"، مدلسازی در مهندسی، دوره 13، شماره 42، پاییز 1394، صفحه 65-77.
[19] ASTM E8/E8M-09, Standard Test Methods for Tension Testing of Metallic Materials.
 
Journal of Modeling in Engineering
Volume 18, Issue 63
December 2020
Pages 27-40

Files

History

  • Receive Date: 27 September 2019
  • Revise Date: 27 October 2020
  • Accept Date: 15 November 2020

Share

How to cite

Statistics