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Investigation of the mechanical and strength properties of the mortar barrel made of different composite materials

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Abstract

This study was conducted on mortar barrels, manufactured from different composite materials to replace the 120-mm mortar barrel, which is currently used in the defense industry. Kevlar/epoxy and glass/epoxy composite materials were used in the study. In this respect, the deformation, pressure, lifespan and flow analyses of the barrel were conducted and the mechanical and strength properties between two different composite mortar barrels were compared. The “SolidWorks” program was used in order to obtain a solid modeling. The resulting data were transferred to the ANSYS program for static and dynamic analyses and the necessary square mesh operations were performed and the results were transformed into graphics using the finite elements method.

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Abbreviations

m m :

Mass of the bullet

V m :

Velocity of the bullet

Em :

Kinetic energy gained by the bullet

EI :

Energy remaining as heat in gunpowder gas

Eb :

Kinetic energy of gunpowder gases

Ek :

Kinetic energy of unburned gunpowder particles

Eg :

Recoil energy of the weapon

Er :

Energy that causes radial stresses in the barrel.

Es :

Energy spent on friction

P ort :

Average gas pressure

V :

The gas volume filled by gunpowder gases

v :

Specific volume of the part of the propellant charge which transforms into solid

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Authors and Affiliations

  1. Department of Mechanical Engineering, Engineering Faculty, Firat University, Elazıǧ, 23279, Turkey

    Haşim Pihtili & Melih Ulutas

Authors
  1. Haşim Pihtili
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  2. Melih Ulutas
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Correspondence to Haşim Pihtili.

Additional information

Dr. Haşim Pıhtılı graduated from Department of Mechanical Engineering, Firat University in 1986. Then he started his Master Science study and became a research assistant in the same university. He completed his Master study in 1988. He completed Ph.D. study in 1991 and promoted to an assistant professor in 1993. He has been an Associate Professor in 2015. He has taught the lectures of machine elements, composite materials and laboratory courses related to construction and manufacturing since 1988. He has numerous publications in national and international journals. Particularly, they are mainly about wear, composite materials and construction of machines. He has a chapter in the book namely woven fabric engineering. He has also edited the book ‘Tribology in Engineering’.

Melih Ulutaş, graduated from Department of Mechanical Engineering, Firat University in 2017. He finished third in the division. Then he started his Master Science study in same university. He did his thesis with the Sayp project of Aselsan. He completed his Master study in 2021. Also he received two patents during his undergraduate and graduate studies.

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Pihtili, H., Ulutas, M. Investigation of the mechanical and strength properties of the mortar barrel made of different composite materials. J Mech Sci Technol 36, 655–664 (2022). https://doi.org/10.1007/s12206-022-0113-y

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  • DOI: https://doi.org/10.1007/s12206-022-0113-y

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